mirror of
https://gitlab.com/sheaf/metabrush.git
synced 2024-11-23 15:34:06 +00:00
Refactors in preparation for stroke hierarchy
This commit is contained in:
parent
8b3705b8d1
commit
0eb0724dde
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@ -183,17 +183,22 @@ library metabrushes
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Haskell2010
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Haskell2010
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exposed-modules:
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exposed-modules:
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MetaBrush.Assert
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MetaBrush.Action
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, MetaBrush.Assert
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, MetaBrush.Asset.Brushes
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, MetaBrush.Asset.Brushes
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, MetaBrush.Brush
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, MetaBrush.Brush
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, MetaBrush.Brush.Widget
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, MetaBrush.Brush.Widget
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, MetaBrush.Document
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, MetaBrush.Document
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, MetaBrush.Document.Draw
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, MetaBrush.Document.Diff
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, MetaBrush.Document.History
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, MetaBrush.Document.History
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, MetaBrush.Document.Serialise
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, MetaBrush.Document.Serialise
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, MetaBrush.Document.SubdivideStroke
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, MetaBrush.Draw
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, MetaBrush.Guide
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, MetaBrush.Hover
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, MetaBrush.Layer
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, MetaBrush.Records
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, MetaBrush.Records
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, MetaBrush.Serialisable
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, MetaBrush.Serialisable
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, MetaBrush.Stroke
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, MetaBrush.Unique
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, MetaBrush.Unique
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, MetaBrush.Util
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, MetaBrush.Util
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@ -219,8 +224,10 @@ executable MetaBrush
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Haskell2010
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Haskell2010
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other-modules:
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other-modules:
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MetaBrush.Action
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MetaBrush.Application
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, MetaBrush.Application
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, MetaBrush.Application.Action
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, MetaBrush.Application.Context
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, MetaBrush.Application.UpdateDocument
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, MetaBrush.Asset.CloseTabButton
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, MetaBrush.Asset.CloseTabButton
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, MetaBrush.Asset.Colours
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, MetaBrush.Asset.Colours
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, MetaBrush.Asset.Cursor
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, MetaBrush.Asset.Cursor
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@ -229,13 +236,11 @@ executable MetaBrush
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, MetaBrush.Asset.TickBox
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, MetaBrush.Asset.TickBox
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, MetaBrush.Asset.Tools
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, MetaBrush.Asset.Tools
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, MetaBrush.Asset.WindowIcons
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, MetaBrush.Asset.WindowIcons
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, MetaBrush.Context
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, MetaBrush.Document.Selection
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, MetaBrush.Document.Update
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, MetaBrush.Event
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, MetaBrush.Event
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, MetaBrush.GTK.Util
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, MetaBrush.GTK.Util
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, MetaBrush.Render.Document
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, MetaBrush.Render.Document
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, MetaBrush.Render.Rulers
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, MetaBrush.Render.Rulers
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, MetaBrush.Time
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, MetaBrush.UI.Coordinates
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, MetaBrush.UI.Coordinates
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, MetaBrush.UI.FileBar
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, MetaBrush.UI.FileBar
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, MetaBrush.UI.InfoBar
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, MetaBrush.UI.InfoBar
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@ -243,7 +248,6 @@ executable MetaBrush
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, MetaBrush.UI.Panels
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, MetaBrush.UI.Panels
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, MetaBrush.UI.ToolBar
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, MetaBrush.UI.ToolBar
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, MetaBrush.UI.Viewport
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, MetaBrush.UI.Viewport
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, MetaBrush.Time
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ghc-options:
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ghc-options:
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-threaded
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-threaded
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@ -56,6 +56,8 @@ main = withCP65001 do
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when (isNothing mbGdkScale) $
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when (isNothing mbGdkScale) $
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setEnv "GDK_SCALE" "2"
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setEnv "GDK_SCALE" "2"
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setEnv "GSK_RENDERER" "cairo"
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---------------------------------------------------------
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---------------------------------------------------------
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-- Run GTK application
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-- Run GTK application
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@ -14,7 +14,7 @@ extra-source-files:
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flag use-simd
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flag use-simd
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description: Use SIMD instructions to implement interval arithmetic.
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description: Use SIMD instructions to implement interval arithmetic.
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default: True
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default: False
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manual: True
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manual: True
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flag use-fma
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flag use-fma
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@ -20,6 +20,8 @@ import Data.Foldable
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( toList )
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( toList )
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import Data.List
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import Data.List
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( intersperse )
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( intersperse )
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import Data.List.NonEmpty
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( unzip )
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import Data.Proxy
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import Data.Proxy
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( Proxy(..) )
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( Proxy(..) )
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import Data.Typeable
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import Data.Typeable
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@ -54,7 +56,7 @@ import Math.Differentiable
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import Math.Interval
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import Math.Interval
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import Math.Linear
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import Math.Linear
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( ℝ(..), T(..)
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( ℝ(..), T(..)
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, Vec(..), (!), unzip
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, Vec(..), (!)
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, Fin(..), RepDim, Representable(..), RepresentableQ(..)
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, Fin(..), RepDim, Representable(..), RepresentableQ(..)
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)
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)
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import Math.Module
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import Math.Module
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@ -62,8 +62,18 @@ import Math.Linear
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data PointType
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data PointType
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= PathPoint
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= PathPoint
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| ControlPoint
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| ControlPoint ControlPoint
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deriving stock Show
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deriving stock ( Eq, Ord, Show, Generic )
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deriving anyclass NFData
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data ControlPoint
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= Bez2Cp
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| Bez3Cp1
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| Bez3Cp2
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deriving stock ( Eq, Ord, Show, Generic )
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deriving anyclass NFData
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--------------------------------------------------------------------------------
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data SplineType = Open | Closed
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data SplineType = Open | Closed
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@ -224,27 +234,27 @@ bimapCurve
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:: Functor ( NextPoint clo )
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:: Functor ( NextPoint clo )
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=> ( crvData -> crvData' ) -> ( PointType -> ptData -> ptData' )
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=> ( crvData -> crvData' ) -> ( PointType -> ptData -> ptData' )
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-> Curve clo crvData ptData -> Curve clo crvData' ptData'
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-> Curve clo crvData ptData -> Curve clo crvData' ptData'
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bimapCurve f g ( LineTo p1 d ) = LineTo ( g PathPoint <$> p1 ) ( f d )
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bimapCurve f g ( LineTo p1 d ) = LineTo ( g PathPoint <$> p1 ) ( f d )
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bimapCurve f g ( Bezier2To p1 p2 d ) = Bezier2To ( g ControlPoint p1 ) ( g PathPoint <$> p2 ) ( f d )
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bimapCurve f g ( Bezier2To p1 p2 d ) = Bezier2To ( g ( ControlPoint Bez2Cp ) p1 ) ( g PathPoint <$> p2 ) ( f d )
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bimapCurve f g ( Bezier3To p1 p2 p3 d ) = Bezier3To ( g ControlPoint p1 ) ( g ControlPoint p2 ) ( g PathPoint <$> p3 ) ( f d )
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bimapCurve f g ( Bezier3To p1 p2 p3 d ) = Bezier3To ( g ( ControlPoint Bez3Cp1 ) p1 ) ( g ( ControlPoint Bez3Cp2 ) p2 ) ( g PathPoint <$> p3 ) ( f d )
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bifoldMapCurve
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bifoldMapCurve
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:: forall m clo crvData ptData
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:: forall m clo crvData ptData
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. ( Monoid m, Foldable ( NextPoint clo ) )
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. ( Monoid m, Foldable ( NextPoint clo ) )
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=> ( crvData -> m ) -> ( PointType -> ptData -> m )
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=> ( crvData -> m ) -> ( PointType -> ptData -> m )
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-> Curve clo crvData ptData -> m
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-> Curve clo crvData ptData -> m
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bifoldMapCurve f g ( LineTo p1 d ) = ( foldMap ( g PathPoint ) p1 ) <> f d
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bifoldMapCurve f g ( LineTo p1 d ) = ( foldMap ( g PathPoint ) p1 ) <> f d
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bifoldMapCurve f g ( Bezier2To p1 p2 d ) = g ControlPoint p1 <> ( foldMap ( g PathPoint ) p2 ) <> f d
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bifoldMapCurve f g ( Bezier2To p1 p2 d ) = g ( ControlPoint Bez2Cp ) p1 <> ( foldMap ( g PathPoint ) p2 ) <> f d
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bifoldMapCurve f g ( Bezier3To p1 p2 p3 d ) = g ControlPoint p1 <> g ControlPoint p2 <> ( foldMap ( g PathPoint ) p3 ) <> f d
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bifoldMapCurve f g ( Bezier3To p1 p2 p3 d ) = g ( ControlPoint Bez3Cp1 ) p1 <> g ( ControlPoint Bez3Cp2 ) p2 <> ( foldMap ( g PathPoint ) p3 ) <> f d
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bitraverseCurve
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bitraverseCurve
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:: forall f clo crvData crvData' ptData ptData'
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:: forall f clo crvData crvData' ptData ptData'
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. ( Applicative f, Traversable ( NextPoint clo ) )
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. ( Applicative f, Traversable ( NextPoint clo ) )
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=> ( crvData -> f crvData' ) -> ( PointType -> ptData -> f ptData' )
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=> ( crvData -> f crvData' ) -> ( PointType -> ptData -> f ptData' )
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-> Curve clo crvData ptData -> f ( Curve clo crvData' ptData' )
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-> Curve clo crvData ptData -> f ( Curve clo crvData' ptData' )
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bitraverseCurve f g ( LineTo p1 d ) = LineTo <$> traverse ( g PathPoint ) p1 <*> f d
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bitraverseCurve f g ( LineTo p1 d ) = LineTo <$> traverse ( g PathPoint ) p1 <*> f d
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bitraverseCurve f g ( Bezier2To p1 p2 d ) = Bezier2To <$> g ControlPoint p1 <*> traverse ( g PathPoint ) p2 <*> f d
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bitraverseCurve f g ( Bezier2To p1 p2 d ) = Bezier2To <$> g ( ControlPoint Bez2Cp ) p1 <*> traverse ( g PathPoint ) p2 <*> f d
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bitraverseCurve f g ( Bezier3To p1 p2 p3 d ) = Bezier3To <$> g ControlPoint p1 <*> g ControlPoint p2 <*> traverse ( g PathPoint ) p3 <*> f d
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bitraverseCurve f g ( Bezier3To p1 p2 p3 d ) = Bezier3To <$> g ( ControlPoint Bez3Cp1 ) p1 <*> g ( ControlPoint Bez3Cp2 ) p2 <*> traverse ( g PathPoint ) p3 <*> f d
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dropCurves :: Int -> Spline Open crvData ptData -> Maybe ( Spline Open crvData ptData )
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dropCurves :: Int -> Spline Open crvData ptData -> Maybe ( Spline Open crvData ptData )
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dropCurves i spline@( Spline { splineCurves = OpenCurves curves } )
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dropCurves i spline@( Spline { splineCurves = OpenCurves curves } )
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@ -321,15 +331,18 @@ dropCurveEnd ( Bezier3To cp1 cp2 _ dat ) = Bezier3To cp1 cp2 BackToStart dat
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-- as the result type depends on whether a starting point has been found yet or not.
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-- as the result type depends on whether a starting point has been found yet or not.
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data CurrentStart ( hasStart :: Bool ) ptData where
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data CurrentStart ( hasStart :: Bool ) ptData where
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NoStartFound :: CurrentStart False ptData
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NoStartFound :: CurrentStart False ptData
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CurrentStart :: !ptData -> CurrentStart True ptData
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CurrentStart ::
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{ wasOriginalStart :: Bool
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, startPoint :: !ptData
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} -> CurrentStart True ptData
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deriving stock instance Show ptData => Show ( CurrentStart hasStart ptData )
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deriving stock instance Show ptData => Show ( CurrentStart hasStart ptData )
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deriving stock instance Functor ( CurrentStart hasStart )
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deriving stock instance Functor ( CurrentStart hasStart )
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deriving stock instance Foldable ( CurrentStart hasStart )
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deriving stock instance Foldable ( CurrentStart hasStart )
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deriving stock instance Traversable ( CurrentStart hasStart )
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deriving stock instance Traversable ( CurrentStart hasStart )
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instance NFData ptData => NFData ( CurrentStart hasStart ptData ) where
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instance NFData ptData => NFData ( CurrentStart hasStart ptData ) where
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rnf NoStartFound = ()
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rnf NoStartFound = ()
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rnf ( CurrentStart ptData ) = rnf ptData
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rnf ( CurrentStart orig ptData ) = rnf orig `seq` rnf ptData
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-- | The result of a wither operation on a spline.
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-- | The result of a wither operation on a spline.
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--
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--
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@ -468,13 +481,13 @@ instance KnownSplineType Open where
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-> f ( Maybe ( Spline Open crvData' ptData' ) )
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-> f ( Maybe ( Spline Open crvData' ptData' ) )
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biwitherSpline fc fp ( Spline { splineStart, splineCurves = OpenCurves curves } ) = do
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biwitherSpline fc fp ( Spline { splineStart, splineCurves = OpenCurves curves } ) = do
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mbStart' <- fp splineStart
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mbStart' <- fp splineStart
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( curves', mbStart'' ) <- ( `runStateT` ( fmap First mbStart' ) ) $ go mbStart' curves
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( curves', mbStart'' ) <- ( `runStateT` ( fmap First mbStart' ) ) $ go ( (, True ) <$> mbStart' ) curves
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case mbStart'' of
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case mbStart'' of
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Nothing -> pure Nothing
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Nothing -> pure Nothing
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Just ( First start' ) ->
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Just ( First start' ) ->
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pure ( Just $ Spline { splineStart = start', splineCurves = OpenCurves curves' } )
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pure ( Just $ Spline { splineStart = start', splineCurves = OpenCurves curves' } )
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where
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where
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go :: Maybe ptData' -> Seq ( Curve Open crvData ptData ) -> StateT ( Maybe ( First ptData' ) ) f ( Seq ( Curve Open crvData' ptData' ) )
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go :: Maybe ( ptData', Bool ) -> Seq ( Curve Open crvData ptData ) -> StateT ( Maybe ( First ptData' ) ) f ( Seq ( Curve Open crvData' ptData' ) )
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go _ Empty = pure Empty
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go _ Empty = pure Empty
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go Nothing ( crv :<| crvs ) = do
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go Nothing ( crv :<| crvs ) = do
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mbCrv' <- lift $ fc NoStartFound crv
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mbCrv' <- lift $ fc NoStartFound crv
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@ -483,14 +496,14 @@ instance KnownSplineType Open where
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UseStartPoint ptData'' mbCrv'' -> do
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UseStartPoint ptData'' mbCrv'' -> do
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modify' ( <> Just ( First ptData'' ) )
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modify' ( <> Just ( First ptData'' ) )
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case mbCrv'' of
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case mbCrv'' of
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Nothing -> go ( Just ptData'' ) crvs
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Nothing -> go ( Just ( ptData'', False ) ) crvs
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Just crv'' -> ( crv'' :<| ) <$> go ( Just ptData'' ) crvs
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Just crv'' -> ( crv'' :<| ) <$> go ( Just ( ptData'', False ) ) crvs
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go ( Just ptData' ) ( crv :<| crvs ) = do
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go ( Just ( ptData', orig ) ) ( crv :<| crvs ) = do
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mbCrv' <- lift $ fc ( CurrentStart ptData' ) crv
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mbCrv' <- lift $ fc ( CurrentStart orig ptData' ) crv
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case mbCrv' of
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case mbCrv' of
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Dismiss -> go ( Just ptData' ) crvs
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Dismiss -> go ( Just ( ptData', False ) ) crvs
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UseCurve crv'' ->
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UseCurve crv'' ->
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( crv'' :<| ) <$> go ( Just $ openCurveEnd crv'' ) crvs
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( crv'' :<| ) <$> go ( Just ( openCurveEnd crv'', True ) ) crvs
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instance KnownSplineType Closed where
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instance KnownSplineType Closed where
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@ -527,36 +540,9 @@ instance KnownSplineType Closed where
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go _ _ Empty = pure Empty
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go _ _ Empty = pure Empty
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go i p ( seg :<| segs ) = (:<|) <$> fc i p seg <*> go ( i + 1 ) ( openCurveEnd seg ) segs
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go i p ( seg :<| segs ) = (:<|) <$> fc i p seg <*> go ( i + 1 ) ( openCurveEnd seg ) segs
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biwitherSpline _ fp ( Spline { splineStart, splineCurves = NoCurves } ) = fmap ( \ p -> Spline p NoCurves ) <$> fp splineStart
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biwitherSpline fc fp closedSpline = do
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biwitherSpline fc fp ( Spline { splineStart, splineCurves = ClosedCurves prevCurves lastCurve } ) = do
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spline' <- biwitherSpline fc fp ( adjustSplineType @Open closedSpline )
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mbSpline' <- biwitherSpline fc fp ( Spline { splineStart, splineCurves = OpenCurves prevCurves } )
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return $ adjustSplineType @Closed <$> spline'
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case mbSpline' of
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Nothing -> do
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mbCrv' <- fc NoStartFound lastCurve
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case mbCrv' of
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Dismiss -> pure Nothing
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UseStartPoint ptData'' mbCrv'' ->
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case mbCrv'' of
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Nothing -> pure $ Just ( Spline { splineStart = ptData'', splineCurves = NoCurves } )
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Just crv'' -> pure $ Just ( Spline { splineStart = ptData'', splineCurves = ClosedCurves Empty crv'' } )
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Just ( Spline { splineStart = start', splineCurves = OpenCurves prevCurves' } ) ->
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case prevCurves' of
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Empty -> do
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mbLastCurve' <- fc ( CurrentStart start' ) lastCurve
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case mbLastCurve' of
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Dismiss ->
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pure ( Just $ Spline { splineStart = start', splineCurves = NoCurves } )
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UseCurve lastCurve' ->
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pure ( Just $ Spline { splineStart = start', splineCurves = ClosedCurves Empty lastCurve' } )
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( prevPrevCurves' :|> prevLastCurve' ) -> do
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let
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prevPt' = openCurveEnd prevLastCurve'
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mbLastCurve' <- fc ( CurrentStart prevPt' ) lastCurve
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case mbLastCurve' of
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Dismiss ->
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pure ( Just $ Spline { splineStart = start', splineCurves = ClosedCurves prevPrevCurves' ( dropCurveEnd prevLastCurve' ) } )
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UseCurve lastCurve' ->
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pure ( Just $ Spline { splineStart = start', splineCurves = ClosedCurves prevCurves' lastCurve' } )
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showSplinePoints :: forall clo ptData crvData
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showSplinePoints :: forall clo ptData crvData
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. (KnownSplineType clo, Show ptData)
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. (KnownSplineType clo, Show ptData)
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@ -72,7 +72,7 @@ import Math.Linear
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import MetaBrush.DSL.Interpolation
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import MetaBrush.DSL.Interpolation
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( Interpolatable(Diff) )
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( Interpolatable(Diff) )
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import MetaBrush.Document
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import MetaBrush.Document
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( PointData(..), FocusState(Normal) )
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( PointData(..) )
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--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
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12
hie.yaml
12
hie.yaml
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@ -1,12 +0,0 @@
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cradle:
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cabal:
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- path: "./brush-strokes/src"
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|
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component: "lib:brush-strokes"
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- path: "./src/metabrushes"
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component: "lib:metabrushes"
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- path: "./src/convert"
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component: "exe:convert-metafont"
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- path: "./src/app"
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component: "exe:MetaBrush"
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- path: "./app"
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component: "exe:MetaBrush"
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@ -24,13 +24,10 @@ import GHC.Conc
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import Data.Map.Strict
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import Data.Map.Strict
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( Map )
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( Map )
|
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import qualified Data.Map.Strict as Map
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import qualified Data.Map.Strict as Map
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( empty )
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|
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import qualified Data.Sequence as Seq
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import qualified Data.Sequence as Seq
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( fromList )
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|
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import Data.Set
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import Data.Set
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( Set )
|
( Set )
|
||||||
import qualified Data.Set as Set
|
import qualified Data.Set as Set
|
||||||
( empty )
|
|
||||||
|
|
||||||
-- directory
|
-- directory
|
||||||
import qualified System.Directory as Directory
|
import qualified System.Directory as Directory
|
||||||
|
@ -87,27 +84,24 @@ import Math.Linear
|
||||||
( ℝ(..) )
|
( ℝ(..) )
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import MetaBrush.Action
|
import MetaBrush.Application.Action
|
||||||
( ActionOrigin(..) )
|
( ActionOrigin(..) )
|
||||||
import qualified MetaBrush.Asset.Brushes as Asset.Brushes
|
import qualified MetaBrush.Asset.Brushes as Asset.Brushes
|
||||||
import MetaBrush.Asset.Colours
|
import MetaBrush.Asset.Colours
|
||||||
( getColours )
|
( getColours )
|
||||||
import MetaBrush.Asset.Logo
|
import MetaBrush.Asset.Logo
|
||||||
( drawLogo )
|
( drawLogo )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( UIElements(..), Variables(..)
|
( UIElements(..), Variables(..)
|
||||||
, Modifier(..)
|
, Modifier(..)
|
||||||
, HoldAction(..), PartialPath(..)
|
, HoldAction(..), PartialPath(..)
|
||||||
)
|
)
|
||||||
|
import MetaBrush.Application.UpdateDocument
|
||||||
|
( activeDocument, withActiveDocument )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( emptyDocument
|
( Document(..), emptyDocument )
|
||||||
, Stroke(..), StrokeHierarchy(..), FocusState(..)
|
|
||||||
, PointData(..)
|
|
||||||
)
|
|
||||||
import MetaBrush.Document.History
|
import MetaBrush.Document.History
|
||||||
( DocumentHistory(..), newHistory )
|
( DocumentHistory(..), newHistory )
|
||||||
import MetaBrush.Document.Update
|
|
||||||
( activeDocument, withActiveDocument )
|
|
||||||
import MetaBrush.Event
|
import MetaBrush.Event
|
||||||
( handleEvents )
|
( handleEvents )
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
|
@ -117,6 +111,7 @@ import MetaBrush.Render.Document
|
||||||
( blankRender, getDocumentRender )
|
( blankRender, getDocumentRender )
|
||||||
import MetaBrush.Render.Rulers
|
import MetaBrush.Render.Rulers
|
||||||
( renderRuler )
|
( renderRuler )
|
||||||
|
import MetaBrush.Stroke
|
||||||
import MetaBrush.UI.FileBar
|
import MetaBrush.UI.FileBar
|
||||||
( FileBar(..), FileBarTab, createFileBar )
|
( FileBar(..), FileBarTab, createFileBar )
|
||||||
import MetaBrush.UI.InfoBar
|
import MetaBrush.UI.InfoBar
|
||||||
|
@ -125,6 +120,8 @@ import MetaBrush.UI.Menu
|
||||||
( createMenuBar, createMenuActions )
|
( createMenuBar, createMenuActions )
|
||||||
import MetaBrush.UI.Panels
|
import MetaBrush.UI.Panels
|
||||||
( createPanelBar )
|
( createPanelBar )
|
||||||
|
--import MetaBrush.UI.StrokeTreeView
|
||||||
|
-- ( newStrokeView )
|
||||||
import MetaBrush.UI.ToolBar
|
import MetaBrush.UI.ToolBar
|
||||||
( Tool(..), Mode(..), createToolBar )
|
( Tool(..), Mode(..), createToolBar )
|
||||||
import MetaBrush.UI.Viewport
|
import MetaBrush.UI.Viewport
|
||||||
|
@ -133,10 +130,7 @@ import MetaBrush.UI.Viewport
|
||||||
, createViewport
|
, createViewport
|
||||||
)
|
)
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
( newUniqueSupply
|
( Unique, freshUnique, newUniqueSupply )
|
||||||
, Unique, freshUnique
|
|
||||||
, uniqueMapFromList
|
|
||||||
)
|
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( widgetAddClass, widgetAddClasses )
|
( widgetAddClass, widgetAddClasses )
|
||||||
import qualified Paths_MetaBrush as Cabal
|
import qualified Paths_MetaBrush as Cabal
|
||||||
|
@ -156,43 +150,51 @@ runApplication application = do
|
||||||
strokeUnique <- runReaderT freshUnique uniqueSupply
|
strokeUnique <- runReaderT freshUnique uniqueSupply
|
||||||
|
|
||||||
let
|
let
|
||||||
|
testStroke =
|
||||||
testDocuments :: Map Unique DocumentHistory
|
Stroke
|
||||||
testDocuments = newHistory <$> uniqueMapFromList
|
{ strokeBrush = Just Asset.Brushes.ellipse --tearDrop
|
||||||
[ emptyDocument "Test" docUnique
|
, strokeSpline =
|
||||||
& ( field' @"documentContent" . field' @"strokes" ) .~
|
-- Spline
|
||||||
( Seq.fromList
|
-- { splineStart = mkPoint ( ℝ2 -20 -20 ) 5
|
||||||
[ StrokeLeaf $ Stroke
|
-- , splineCurves = OpenCurves $ Seq.fromList
|
||||||
{ strokeName = "Stroke 1"
|
-- [ LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 20 20 ) 5 ), curveData = invalidateCache undefined }
|
||||||
, strokeVisible = True
|
-- ]
|
||||||
, strokeUnique = strokeUnique
|
-- }
|
||||||
, strokeBrush = Just Asset.Brushes.ellipse --tearDrop
|
Spline
|
||||||
, strokeSpline =
|
{ splineStart = mkPoint ( ℝ2 0 0 ) 10 25 0
|
||||||
-- Spline
|
, splineCurves = OpenCurves $ Seq.fromList
|
||||||
-- { splineStart = mkPoint ( ℝ2 -20 -20 ) 5
|
[ LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 100 0 ) 15 40 0 ), curveData = CurveData 0 $ invalidateCache undefined }
|
||||||
-- , splineCurves = OpenCurves $ Seq.fromList
|
, LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 -10 10 ) 8 5 ( pi / 4 ) ), curveData = CurveData 1 $ invalidateCache undefined }
|
||||||
-- [ LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 20 20 ) 5 ), curveData = invalidateCache undefined }
|
, LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 -10 -20 ) 10 7 ( pi / 2 ) ), curveData = CurveData 2 $ invalidateCache undefined }
|
||||||
-- ]
|
]
|
||||||
-- }
|
|
||||||
Spline
|
|
||||||
{ splineStart = mkPoint ( ℝ2 0 0 ) 10 25 0
|
|
||||||
, splineCurves = OpenCurves $ Seq.fromList
|
|
||||||
[ LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 100 0 ) 15 40 0 ), curveData = invalidateCache undefined }
|
|
||||||
, LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 -10 10 ) 8 5 ( pi / 4 ) ), curveData = invalidateCache undefined }
|
|
||||||
, LineTo { curveEnd = NextPoint ( mkPoint ( ℝ2 -10 -20 ) 10 7 ( pi / 2 ) ), curveData = invalidateCache undefined }
|
|
||||||
]
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
]
|
}
|
||||||
)
|
|
||||||
]
|
|
||||||
where
|
where
|
||||||
mkPoint :: ℝ 2 -> Double -> Double -> Double -> PointData ( Record Asset.Brushes.EllipseBrushFields )
|
mkPoint :: ℝ 2 -> Double -> Double -> Double -> PointData ( Record Asset.Brushes.EllipseBrushFields )
|
||||||
mkPoint pt a b phi = PointData pt Normal ( MkR $ ℝ3 a b phi )
|
mkPoint pt a b phi = PointData pt ( MkR $ ℝ3 a b phi )
|
||||||
--mkPoint :: ℝ 2 -> Double -> PointData ( Record Asset.Brushes.CircleBrushFields )
|
|
||||||
--mkPoint pt r = PointData pt Normal ( MkR $ ℝ1 r )
|
testLayers :: Layers
|
||||||
--mkPoint :: ℝ 2 -> Double -> Double -> Double -> PointData ( Record Asset.Brushes.TearDropBrushFields )
|
testLayers =
|
||||||
--mkPoint pt w h phi = PointData pt Normal ( MkR $ ℝ3 w h phi )
|
[ StrokeLayer
|
||||||
|
{ layerUnique = strokeUnique
|
||||||
|
, layerName = "Stroke 1"
|
||||||
|
, layerVisible = True
|
||||||
|
, layerLocked = False
|
||||||
|
, layerStroke = testStroke
|
||||||
|
}
|
||||||
|
]
|
||||||
|
|
||||||
|
( layerMeta, testStrokes ) = layersStrokeHierarchy testLayers
|
||||||
|
|
||||||
|
testDoc :: Document
|
||||||
|
testDoc
|
||||||
|
= emptyDocument "Test"
|
||||||
|
& ( field' @"documentContent" . field' @"strokeHierarchy" ) .~ testStrokes
|
||||||
|
& ( field' @"documentMetadata" . field' @"layerMetadata" ) .~ layerMeta
|
||||||
|
|
||||||
|
testDocuments :: Map Unique DocumentHistory
|
||||||
|
testDocuments = newHistory <$> Map.fromList
|
||||||
|
[ ( docUnique, testDoc ) ]
|
||||||
|
|
||||||
recomputeStrokesTVar <- STM.newTVarIO @Bool False
|
recomputeStrokesTVar <- STM.newTVarIO @Bool False
|
||||||
documentRenderTVar <- STM.newTVarIO @( ( Int32, Int32 ) -> Cairo.Render () ) ( const $ pure () )
|
documentRenderTVar <- STM.newTVarIO @( ( Int32, Int32 ) -> Cairo.Render () ) ( const $ pure () )
|
||||||
|
@ -223,6 +225,10 @@ runApplication application = do
|
||||||
cuspFindingOptionsTVar <- STM.newTVarIO @( Maybe ( RootIsolationOptions 2 3 ) ) $
|
cuspFindingOptionsTVar <- STM.newTVarIO @( Maybe ( RootIsolationOptions 2 3 ) ) $
|
||||||
Just defaultRootIsolationOptions
|
Just defaultRootIsolationOptions
|
||||||
|
|
||||||
|
--testDocsStrokeListModels <-
|
||||||
|
-- for testDocuments ( newStrokeView . strokes . documentContent . present )
|
||||||
|
strokeListModelsTVar <- STM.newTVarIO @( Map Unique GTK.SelectionModel ) Map.empty --testDocsStrokeListModels
|
||||||
|
|
||||||
-- Put all these stateful variables in a record for conciseness.
|
-- Put all these stateful variables in a record for conciseness.
|
||||||
let
|
let
|
||||||
variables :: Variables
|
variables :: Variables
|
||||||
|
@ -335,7 +341,7 @@ runApplication application = do
|
||||||
case needsRecomputation of
|
case needsRecomputation of
|
||||||
False -> STM.retry
|
False -> STM.retry
|
||||||
True -> do
|
True -> do
|
||||||
mbDocNow <- fmap present <$> activeDocument variables
|
mbDocNow <- fmap ( present . snd ) <$> activeDocument variables
|
||||||
case mbDocNow of
|
case mbDocNow of
|
||||||
Nothing -> pure ( pure . const $ blankRender colours )
|
Nothing -> pure ( pure . const $ blankRender colours )
|
||||||
Just doc -> do
|
Just doc -> do
|
||||||
|
@ -385,7 +391,7 @@ runApplication application = do
|
||||||
viewportWidth <- GTK.widgetGetWidth viewportDrawingArea
|
viewportWidth <- GTK.widgetGetWidth viewportDrawingArea
|
||||||
viewportHeight <- GTK.widgetGetHeight viewportDrawingArea
|
viewportHeight <- GTK.widgetGetHeight viewportDrawingArea
|
||||||
-- Get the Cairo instructions for rendering the current document
|
-- Get the Cairo instructions for rendering the current document
|
||||||
mbDoc <- fmap present <$> STM.atomically ( activeDocument variables )
|
mbDoc <- fmap ( present . snd ) <$> STM.atomically ( activeDocument variables )
|
||||||
render <- case mbDoc of
|
render <- case mbDoc of
|
||||||
Nothing -> pure ( blankRender colours )
|
Nothing -> pure ( blankRender colours )
|
||||||
Just _ -> STM.atomically do
|
Just _ -> STM.atomically do
|
||||||
|
@ -404,7 +410,7 @@ runApplication application = do
|
||||||
viewportHeight <- GTK.widgetGetHeight viewportDrawingArea
|
viewportHeight <- GTK.widgetGetHeight viewportDrawingArea
|
||||||
width <- GTK.widgetGetWidth rulerDrawingArea
|
width <- GTK.widgetGetWidth rulerDrawingArea
|
||||||
height <- GTK.widgetGetHeight rulerDrawingArea
|
height <- GTK.widgetGetHeight rulerDrawingArea
|
||||||
mbRender <- STM.atomically $ withActiveDocument variables \ doc -> do
|
mbRender <- STM.atomically $ withActiveDocument variables \ _ doc -> do
|
||||||
mbMousePos <- STM.readTVar mousePosTVar
|
mbMousePos <- STM.readTVar mousePosTVar
|
||||||
mbHoldAction <- STM.readTVar mouseHoldTVar
|
mbHoldAction <- STM.readTVar mouseHoldTVar
|
||||||
showGuides <- STM.readTVar showGuidesTVar
|
showGuides <- STM.readTVar showGuidesTVar
|
||||||
|
@ -422,6 +428,11 @@ runApplication application = do
|
||||||
|
|
||||||
_ <- createToolBar variables colours toolBar
|
_ <- createToolBar variables colours toolBar
|
||||||
|
|
||||||
|
---------------------------------------------------------
|
||||||
|
-- Panels bar
|
||||||
|
|
||||||
|
panelsBar <- createPanelBar panelBox
|
||||||
|
|
||||||
---------------------------------------------------------
|
---------------------------------------------------------
|
||||||
-- Info bar
|
-- Info bar
|
||||||
|
|
||||||
|
@ -439,6 +450,7 @@ runApplication application = do
|
||||||
colours variables
|
colours variables
|
||||||
application window windowKeys titleBar titleLabel viewport infoBar
|
application window windowKeys titleBar titleLabel viewport infoBar
|
||||||
menuBar menuActions
|
menuBar menuActions
|
||||||
|
panelsBar
|
||||||
|
|
||||||
let
|
let
|
||||||
uiElements :: UIElements
|
uiElements :: UIElements
|
||||||
|
@ -453,11 +465,6 @@ runApplication application = do
|
||||||
GTK.boxAppend mainView viewportGrid
|
GTK.boxAppend mainView viewportGrid
|
||||||
GTK.boxAppend mainView infoBarArea
|
GTK.boxAppend mainView infoBarArea
|
||||||
|
|
||||||
---------------------------------------------------------
|
|
||||||
-- Panels
|
|
||||||
|
|
||||||
createPanelBar panelBox
|
|
||||||
|
|
||||||
---------------------------------------------------------
|
---------------------------------------------------------
|
||||||
-- Actions
|
-- Actions
|
||||||
|
|
||||||
|
@ -466,8 +473,9 @@ runApplication application = do
|
||||||
---------------------------------------------------------
|
---------------------------------------------------------
|
||||||
-- Finishing up
|
-- Finishing up
|
||||||
|
|
||||||
mbDoc <- fmap present <$> STM.atomically ( activeDocument variables )
|
mbDoc <- fmap ( present . snd ) <$> STM.atomically ( activeDocument variables )
|
||||||
updateInfoBar viewportDrawingArea infoBar variables mbDoc -- need to update the info bar after widgets have been realized
|
updateInfoBar viewportDrawingArea infoBar variables ( fmap documentMetadata mbDoc )
|
||||||
|
-- need to update the info bar after widgets have been realized
|
||||||
|
|
||||||
widgetShow window
|
widgetShow window
|
||||||
|
|
||||||
|
|
|
@ -1,14 +1,13 @@
|
||||||
{-# LANGUAGE OverloadedStrings #-}
|
{-# LANGUAGE OverloadedStrings #-}
|
||||||
|
|
||||||
{-# LANGUAGE ScopedTypeVariables #-}
|
{-# LANGUAGE ScopedTypeVariables #-}
|
||||||
|
|
||||||
module MetaBrush.Action where
|
module MetaBrush.Application.Action where
|
||||||
|
|
||||||
-- base
|
-- base
|
||||||
|
import Control.Arrow
|
||||||
|
( second )
|
||||||
import Control.Monad
|
import Control.Monad
|
||||||
( guard, when, unless, void )
|
( guard, when, unless, void )
|
||||||
import Control.Monad.ST
|
|
||||||
( RealWorld )
|
|
||||||
import Data.Foldable
|
import Data.Foldable
|
||||||
( for_ )
|
( for_ )
|
||||||
import Data.List
|
import Data.List
|
||||||
|
@ -34,9 +33,7 @@ import Data.Act
|
||||||
|
|
||||||
-- containers
|
-- containers
|
||||||
import qualified Data.Map as Map
|
import qualified Data.Map as Map
|
||||||
( insert, lookup )
|
|
||||||
import qualified Data.Set as Set
|
import qualified Data.Set as Set
|
||||||
( delete, insert )
|
|
||||||
|
|
||||||
-- directory
|
-- directory
|
||||||
import System.Directory
|
import System.Directory
|
||||||
|
@ -85,66 +82,62 @@ import qualified Control.Concurrent.STM as STM
|
||||||
import qualified Control.Concurrent.STM.TVar as STM
|
import qualified Control.Concurrent.STM.TVar as STM
|
||||||
( readTVar, readTVarIO, swapTVar, modifyTVar', writeTVar )
|
( readTVar, readTVarIO, swapTVar, modifyTVar', writeTVar )
|
||||||
|
|
||||||
|
-- transformers
|
||||||
|
import qualified Control.Monad.Trans.Reader as Reader
|
||||||
|
|
||||||
-- text
|
-- text
|
||||||
import Data.Text
|
import Data.Text
|
||||||
( Text )
|
( Text )
|
||||||
import qualified Data.Text as Text
|
import qualified Data.Text as Text
|
||||||
( intercalate, pack )
|
( pack )
|
||||||
|
|
||||||
-- brush-strokes
|
-- brush-strokes
|
||||||
import Math.Bezier.Spline
|
import Math.Bezier.Spline
|
||||||
( Spline(..), SplineType(Open)
|
|
||||||
, catMaybesSpline
|
|
||||||
)
|
|
||||||
import Math.Bezier.Stroke
|
import Math.Bezier.Stroke
|
||||||
( CachedStroke(..), invalidateCache )
|
( invalidateCache )
|
||||||
import Math.Module
|
import Math.Module
|
||||||
( Module((*^)), quadrance )
|
( Module((*^)) )
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..), T(..) )
|
( ℝ(..), T(..) )
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import MetaBrush.Asset.WindowIcons
|
import MetaBrush.Action
|
||||||
( drawClose )
|
import MetaBrush.Application.Context
|
||||||
import qualified MetaBrush.Brush.Widget as Brush
|
|
||||||
( describeWidgetAction )
|
|
||||||
import MetaBrush.Context
|
|
||||||
( UIElements(..), Variables(..)
|
( UIElements(..), Variables(..)
|
||||||
, Modifier(..), modifierKey
|
, Modifier(..), modifierKey
|
||||||
, HoldAction(..), GuideAction(..), PartialPath(..)
|
, HoldAction(..), GuideAction(..), PartialPath(..)
|
||||||
)
|
)
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..), DocumentContent(..), PointData(..), FocusState(..)
|
( Document(..), DocumentContent(..), DocumentMetadata(..)
|
||||||
, Guide(..), selectedGuide, addGuide
|
, Zoom(..)
|
||||||
|
, Guide(..)
|
||||||
|
, StrokePoints(..)
|
||||||
)
|
)
|
||||||
import MetaBrush.Document.Draw
|
import MetaBrush.Application.UpdateDocument
|
||||||
( addToAnchor, getOrCreateDrawAnchor, anchorsAreComplementary )
|
( activeDocument
|
||||||
|
, DocumentUpdate(..)
|
||||||
|
, PureDocModification(..), DocModification(..)
|
||||||
|
, ActiveDocChange (..)
|
||||||
|
, modifyingCurrentDocument
|
||||||
|
, updateUIAction, updateHistoryState
|
||||||
|
)
|
||||||
|
import MetaBrush.Asset.WindowIcons
|
||||||
|
( drawClose )
|
||||||
|
import MetaBrush.Document.Diff
|
||||||
import MetaBrush.Document.History
|
import MetaBrush.Document.History
|
||||||
( DocumentHistory(..), newHistory
|
( DocumentHistory(..), newHistory
|
||||||
, back, fwd
|
, back, fwd
|
||||||
)
|
)
|
||||||
import MetaBrush.Document.Selection
|
|
||||||
( SelectionMode(..), selectionMode
|
|
||||||
, selectAt, selectRectangle
|
|
||||||
, DragMoveSelect(..), dragMoveSelect
|
|
||||||
, UpdateInfo(..)
|
|
||||||
, deleteSelected
|
|
||||||
, dragUpdate, pressingControl
|
|
||||||
, BrushWidgetActionState(..)
|
|
||||||
, applyBrushWidgetAction
|
|
||||||
)
|
|
||||||
import MetaBrush.Document.Serialise
|
import MetaBrush.Document.Serialise
|
||||||
( saveDocument, loadDocument )
|
( saveDocument, loadDocument )
|
||||||
import MetaBrush.Document.SubdivideStroke
|
import MetaBrush.Draw
|
||||||
( subdivide )
|
|
||||||
import MetaBrush.Document.Update
|
|
||||||
( activeDocument
|
|
||||||
, DocChange(..), DocumentUpdate(..), PureDocModification(..), DocModification(..)
|
|
||||||
, modifyingCurrentDocument
|
|
||||||
, updateUIAction, updateHistoryState
|
|
||||||
)
|
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( widgetShow )
|
( widgetShow )
|
||||||
|
import MetaBrush.Hover
|
||||||
|
( inPointClickRange )
|
||||||
|
import MetaBrush.Guide
|
||||||
|
import MetaBrush.Layer
|
||||||
|
import MetaBrush.Stroke
|
||||||
import MetaBrush.UI.Coordinates
|
import MetaBrush.UI.Coordinates
|
||||||
( toViewportCoordinates )
|
( toViewportCoordinates )
|
||||||
import MetaBrush.UI.InfoBar
|
import MetaBrush.UI.InfoBar
|
||||||
|
@ -154,9 +147,9 @@ import {-# SOURCE #-} MetaBrush.UI.FileBar
|
||||||
import MetaBrush.UI.ToolBar
|
import MetaBrush.UI.ToolBar
|
||||||
( Tool(..), Mode(..) )
|
( Tool(..), Mode(..) )
|
||||||
import MetaBrush.UI.Viewport
|
import MetaBrush.UI.Viewport
|
||||||
( Viewport(..), Ruler(..) )
|
( Viewport(..) )
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
( Unique )
|
( Unique, freshUnique )
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( (>=?=>), (>>?=)
|
( (>=?=>), (>>?=)
|
||||||
, widgetAddClass, widgetAddClasses
|
, widgetAddClass, widgetAddClasses
|
||||||
|
@ -233,9 +226,10 @@ instance HandleAction OpenFile where
|
||||||
case mbDoc of
|
case mbDoc of
|
||||||
Left errMessage -> openFileWarningDialog window filePath errMessage
|
Left errMessage -> openFileWarningDialog window filePath errMessage
|
||||||
Right doc -> do
|
Right doc -> do
|
||||||
|
newDocUnique <- Reader.runReaderT freshUnique uniqueSupply
|
||||||
let newDocHist = newHistory doc
|
let newDocHist = newHistory doc
|
||||||
newFileTab uiElts vars (Just newDocHist) tabLoc
|
newFileTab uiElts vars ( Just ( newDocUnique, newDocHist ) ) tabLoc
|
||||||
updateHistoryState uiElts (Just newDocHist)
|
updateHistoryState uiElts ( Just newDocHist )
|
||||||
Nothing -> return ()
|
Nothing -> return ()
|
||||||
|
|
||||||
openFileWarningDialog
|
openFileWarningDialog
|
||||||
|
@ -303,10 +297,11 @@ instance HandleAction OpenFolder where
|
||||||
case mbDoc of
|
case mbDoc of
|
||||||
Left errMessage -> openFileWarningDialog window filePath errMessage
|
Left errMessage -> openFileWarningDialog window filePath errMessage
|
||||||
Right doc -> do
|
Right doc -> do
|
||||||
|
newDocUnique <- Reader.runReaderT freshUnique uniqueSupply
|
||||||
let
|
let
|
||||||
newDocHist :: DocumentHistory
|
newDocHist :: DocumentHistory
|
||||||
newDocHist = newHistory doc
|
newDocHist = newHistory doc
|
||||||
newFileTab uiElts vars ( Just newDocHist ) tabLoc
|
newFileTab uiElts vars ( Just ( newDocUnique, newDocHist ) ) tabLoc
|
||||||
updateHistoryState uiElts ( Just newDocHist )
|
updateHistoryState uiElts ( Just newDocHist )
|
||||||
|
|
||||||
---------------------------
|
---------------------------
|
||||||
|
@ -335,14 +330,14 @@ data SaveFormat
|
||||||
|
|
||||||
save :: UIElements -> Variables -> Bool -> IO ()
|
save :: UIElements -> Variables -> Bool -> IO ()
|
||||||
save uiElts vars keepOpen = do
|
save uiElts vars keepOpen = do
|
||||||
mbDoc <- fmap present <$> STM.atomically ( activeDocument vars )
|
mbDoc <- fmap ( present . snd ) <$> STM.atomically ( activeDocument vars )
|
||||||
for_ mbDoc \case
|
for_ mbDoc \case
|
||||||
doc@( Document { mbFilePath, documentContent } )
|
doc@( Document { documentMetadata = Metadata { documentFilePath }, documentContent } )
|
||||||
| Nothing <- mbFilePath
|
| Nothing <- documentFilePath
|
||||||
-> saveAs uiElts vars keepOpen
|
-> saveAs uiElts vars keepOpen
|
||||||
| False <- unsavedChanges documentContent
|
| False <- unsavedChanges documentContent
|
||||||
-> pure ()
|
-> pure ()
|
||||||
| Just filePath <- mbFilePath
|
| Just filePath <- documentFilePath
|
||||||
-> modifyingCurrentDocument uiElts vars \ _ -> do
|
-> modifyingCurrentDocument uiElts vars \ _ -> do
|
||||||
let
|
let
|
||||||
modif :: DocumentUpdate
|
modif :: DocumentUpdate
|
||||||
|
@ -361,7 +356,7 @@ saveAs uiElts vars keepOpen =
|
||||||
export :: UIElements -> Variables -> IO ()
|
export :: UIElements -> Variables -> IO ()
|
||||||
export uiElts vars@( Variables { .. } ) = do
|
export uiElts vars@( Variables { .. } ) = do
|
||||||
mbRender <- STM.atomically $ do
|
mbRender <- STM.atomically $ do
|
||||||
mbDoc <- fmap present <$> activeDocument vars
|
mbDoc <- fmap ( present . snd ) <$> activeDocument vars
|
||||||
case mbDoc of
|
case mbDoc of
|
||||||
Nothing -> return Nothing
|
Nothing -> return Nothing
|
||||||
Just _ -> Just <$> STM.readTVar documentRenderTVar
|
Just _ -> Just <$> STM.readTVar documentRenderTVar
|
||||||
|
@ -435,29 +430,29 @@ instance HandleAction Close where
|
||||||
vars@( Variables {..} )
|
vars@( Variables {..} )
|
||||||
close = do
|
close = do
|
||||||
mbDoc <- case close of
|
mbDoc <- case close of
|
||||||
CloseActive -> fmap ( ( , True ) . present ) <$> STM.atomically ( activeDocument vars )
|
CloseActive -> fmap ( second ( ( , True ) . present ) ) <$> STM.atomically ( activeDocument vars )
|
||||||
CloseThis unique -> do
|
CloseThis unique -> do
|
||||||
mbCurrentDoc <- fmap present <$> STM.atomically ( activeDocument vars )
|
mbCurrentDoc <- fmap ( second present ) <$> STM.atomically ( activeDocument vars )
|
||||||
mbDoc <- fmap present . Map.lookup unique <$> STM.readTVarIO openDocumentsTVar
|
mbDoc <- fmap present . Map.lookup unique <$> STM.readTVarIO openDocumentsTVar
|
||||||
for mbDoc \ doc ->
|
for mbDoc \ doc ->
|
||||||
pure ( doc, maybe False ( ( == unique ) . documentUnique ) mbCurrentDoc )
|
pure ( unique, ( doc, maybe False ( ( == unique ) . fst ) mbCurrentDoc ) )
|
||||||
case mbDoc of
|
case mbDoc of
|
||||||
Nothing -> pure () -- could show a warning message
|
Nothing -> pure () -- could show a warning message
|
||||||
Just ( Document { displayName, documentUnique, documentContent }, isActiveDoc )
|
Just ( closeDocUnique, ( Document { documentMetadata = Metadata { documentName }, documentContent }, isActiveDoc ) )
|
||||||
| unsavedChanges documentContent
|
| unsavedChanges documentContent
|
||||||
-> do
|
-> do
|
||||||
dialogWindow <- GTK.windowNew
|
dialogWindow <- GTK.windowNew
|
||||||
GTK.setWindowDecorated dialogWindow False
|
GTK.setWindowDecorated dialogWindow False
|
||||||
GTK.windowSetTransientFor dialogWindow (Just window)
|
GTK.windowSetTransientFor dialogWindow ( Just window )
|
||||||
|
|
||||||
contentBox <- GTK.boxNew GTK.OrientationVertical 30
|
contentBox <- GTK.boxNew GTK.OrientationVertical 30
|
||||||
GTK.widgetSetMarginStart contentBox 20
|
GTK.widgetSetMarginStart contentBox 20
|
||||||
GTK.widgetSetMarginEnd contentBox 20
|
GTK.widgetSetMarginEnd contentBox 20
|
||||||
GTK.widgetSetMarginTop contentBox 20
|
GTK.widgetSetMarginTop contentBox 20
|
||||||
GTK.widgetSetMarginBottom contentBox 20
|
GTK.widgetSetMarginBottom contentBox 20
|
||||||
GTK.windowSetChild dialogWindow (Just contentBox)
|
GTK.windowSetChild dialogWindow ( Just contentBox )
|
||||||
|
|
||||||
label <- GTK.labelNew $ Just $ "\n\"" <> displayName <> "\" contains unsaved changes.\nClose anyway?"
|
label <- GTK.labelNew $ Just $ "\n\"" <> documentName <> "\" contains unsaved changes.\nClose anyway?"
|
||||||
GTK.boxAppend contentBox label
|
GTK.boxAppend contentBox label
|
||||||
|
|
||||||
buttonBox <- GTK.boxNew GTK.OrientationHorizontal 0
|
buttonBox <- GTK.boxNew GTK.OrientationHorizontal 0
|
||||||
|
@ -479,7 +474,7 @@ instance HandleAction Close where
|
||||||
widgetAddClass button "dialogButton"
|
widgetAddClass button "dialogButton"
|
||||||
|
|
||||||
void $ GTK.onButtonClicked closeButton $ do
|
void $ GTK.onButtonClicked closeButton $ do
|
||||||
closeDocument isActiveDoc documentUnique
|
closeDocument isActiveDoc closeDocUnique
|
||||||
GTK.windowDestroy dialogWindow
|
GTK.windowDestroy dialogWindow
|
||||||
void $ GTK.onButtonClicked saveCloseButton $ do
|
void $ GTK.onButtonClicked saveCloseButton $ do
|
||||||
save uiElts vars False
|
save uiElts vars False
|
||||||
|
@ -490,7 +485,7 @@ instance HandleAction Close where
|
||||||
GTK.widgetSetVisible dialogWindow True
|
GTK.widgetSetVisible dialogWindow True
|
||||||
|
|
||||||
| otherwise
|
| otherwise
|
||||||
-> closeDocument isActiveDoc documentUnique
|
-> closeDocument isActiveDoc closeDocUnique
|
||||||
|
|
||||||
where
|
where
|
||||||
closeDocument :: Bool -> Unique -> IO ()
|
closeDocument :: Bool -> Unique -> IO ()
|
||||||
|
@ -499,7 +494,8 @@ instance HandleAction Close where
|
||||||
when isActiveDoc do
|
when isActiveDoc do
|
||||||
uiUpdateAction <- STM.atomically do
|
uiUpdateAction <- STM.atomically do
|
||||||
STM.writeTVar activeDocumentTVar Nothing
|
STM.writeTVar activeDocumentTVar Nothing
|
||||||
uiUpdateAction <- updateUIAction uiElts vars
|
let change = ActiveDocChange { mbOldDocUnique = Just unique }
|
||||||
|
uiUpdateAction <- updateUIAction change uiElts vars
|
||||||
pure do
|
pure do
|
||||||
uiUpdateAction
|
uiUpdateAction
|
||||||
updateHistoryState uiElts Nothing
|
updateHistoryState uiElts Nothing
|
||||||
|
@ -535,7 +531,8 @@ instance HandleAction SwitchFromTo where
|
||||||
uiUpdateAction <- STM.atomically do
|
uiUpdateAction <- STM.atomically do
|
||||||
STM.writeTVar activeDocumentTVar ( Just newActiveDocUnique )
|
STM.writeTVar activeDocumentTVar ( Just newActiveDocUnique )
|
||||||
mbHist <- Map.lookup newActiveDocUnique <$> STM.readTVar openDocumentsTVar
|
mbHist <- Map.lookup newActiveDocUnique <$> STM.readTVar openDocumentsTVar
|
||||||
uiUpdateAction <- updateUIAction uiElts vars
|
let change = ActiveDocChange { mbOldDocUnique = mbPrevActiveDocUnique }
|
||||||
|
uiUpdateAction <- updateUIAction change uiElts vars
|
||||||
pure do
|
pure do
|
||||||
uiUpdateAction
|
uiUpdateAction
|
||||||
for_ mbPrevActiveDocUnique \ prevActiveDocUnique -> do
|
for_ mbPrevActiveDocUnique \ prevActiveDocUnique -> do
|
||||||
|
@ -593,7 +590,7 @@ updateHistory f uiElts vars@( Variables {..} ) = do
|
||||||
newDocHistory :: DocumentHistory
|
newDocHistory :: DocumentHistory
|
||||||
newDocHistory = f docHistory
|
newDocHistory = f docHistory
|
||||||
STM.modifyTVar' openDocumentsTVar ( Map.insert unique newDocHistory )
|
STM.modifyTVar' openDocumentsTVar ( Map.insert unique newDocHistory )
|
||||||
uiUpdateAction <- updateUIAction uiElts vars
|
uiUpdateAction <- updateUIAction NoActiveDocChange uiElts vars
|
||||||
pure do
|
pure do
|
||||||
updateHistoryState uiElts ( Just newDocHistory )
|
updateHistoryState uiElts ( Just newDocHistory )
|
||||||
uiUpdateAction
|
uiUpdateAction
|
||||||
|
@ -662,31 +659,21 @@ instance HandleAction Delete where
|
||||||
-- Delete selected points on pressing 'Delete' in path mode.
|
-- Delete selected points on pressing 'Delete' in path mode.
|
||||||
Selection
|
Selection
|
||||||
| PathMode <- mode
|
| PathMode <- mode
|
||||||
-> modifyingCurrentDocument uiElts vars \ doc -> do
|
-> modifyingCurrentDocument uiElts vars \ doc ->
|
||||||
let
|
case deleteSelected doc of
|
||||||
newDocument :: Document
|
Nothing ->
|
||||||
updateInfo :: UpdateInfo
|
pure Don'tModifyDoc
|
||||||
( newDocument, updateInfo ) = deleteSelected doc
|
Just ( doc', affectedPoints, delStrokes ) -> do
|
||||||
case updateInfo of
|
-- TODO: this would also be a hierarchy diff...
|
||||||
UpdateInfo { pathPointsAffected, controlPointsAffected, strokesAffected }
|
-- but for now we will just have emtpy strokes in the
|
||||||
| null strokesAffected
|
-- layers view.
|
||||||
-> pure Don'tModifyDoc
|
let diff = HistoryDiff $ ContentDiff $
|
||||||
| let
|
DeletePoints
|
||||||
ppDel, cpDel, changeText :: Text
|
{ deletedPoints = affectedPoints
|
||||||
ppDel
|
, deletedStrokes = delStrokes
|
||||||
| pathPointsAffected == 0
|
}
|
||||||
= ""
|
pure $ UpdateDoc ( UpdateDocumentTo doc' diff )
|
||||||
| otherwise
|
-- TODO: handle deletion of layers by checking the current focus.
|
||||||
= Text.pack ( show pathPointsAffected ) <> " path points"
|
|
||||||
cpDel
|
|
||||||
| controlPointsAffected == 0
|
|
||||||
= ""
|
|
||||||
| otherwise
|
|
||||||
= Text.pack ( show controlPointsAffected ) <> " control points"
|
|
||||||
changeText =
|
|
||||||
"Delete " <> Text.intercalate " and" [ ppDel, cpDel ]
|
|
||||||
<> " across " <> Text.pack ( show $ length strokesAffected ) <> " strokes"
|
|
||||||
-> pure $ UpdateDoc ( UpdateDocumentTo $ HistoryChange {..} )
|
|
||||||
_ -> pure ()
|
_ -> pure ()
|
||||||
|
|
||||||
-------------------
|
-------------------
|
||||||
|
@ -816,11 +803,12 @@ instance HandleAction MouseMove where
|
||||||
= do
|
= do
|
||||||
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
||||||
viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
||||||
modifyingCurrentDocument uiElts vars \ doc@( Document {..} ) -> do
|
modifyingCurrentDocument uiElts vars \ doc@( Document { documentMetadata } ) -> do
|
||||||
modifiers <- STM.readTVar modifiersTVar
|
modifiers <- STM.readTVar modifiersTVar
|
||||||
let
|
let
|
||||||
|
Metadata { documentZoom = zoom, viewportCenter } = documentMetadata
|
||||||
toViewport :: ℝ 2 -> ℝ 2
|
toViewport :: ℝ 2 -> ℝ 2
|
||||||
toViewport = toViewportCoordinates zoomFactor ( viewportWidth, viewportHeight ) viewportCenter
|
toViewport = toViewportCoordinates zoom ( viewportWidth, viewportHeight ) viewportCenter
|
||||||
pos :: ℝ 2
|
pos :: ℝ 2
|
||||||
pos = toViewport ( ℝ2 x y )
|
pos = toViewport ( ℝ2 x y )
|
||||||
STM.writeTVar mousePosTVar ( Just pos )
|
STM.writeTVar mousePosTVar ( Just pos )
|
||||||
|
@ -841,22 +829,34 @@ instance HandleAction MouseMove where
|
||||||
| BrushMode <- mode
|
| BrushMode <- mode
|
||||||
-> do mbHoldAction <- STM.readTVar mouseHoldTVar
|
-> do mbHoldAction <- STM.readTVar mouseHoldTVar
|
||||||
case mbHoldAction of
|
case mbHoldAction of
|
||||||
Just ( BrushWidgetAction { brushWidgetAction } ) ->
|
Just ( BrushWidgetAction { brushWidgetAction = brushAction } ) ->
|
||||||
case applyBrushWidgetAction ( pressingControl modifiers ) pos ( Just brushWidgetAction ) doc of
|
case applyBrushWidgetAction ( pressingControl modifiers ) pos ( Just brushAction ) doc of
|
||||||
Nothing ->
|
Nothing ->
|
||||||
pure Don'tModifyDoc
|
pure Don'tModifyDoc
|
||||||
Just ( widgetAction, newDocument ) -> do
|
Just ( newDocument, _ ) -> do
|
||||||
STM.writeTVar mouseHoldTVar ( Just $ BrushWidgetAction pos widgetAction )
|
-- This is just for preview, so TrivialDiff.
|
||||||
pure ( UpdateDoc . UpdateDocumentTo $ TrivialChange {..} )
|
STM.writeTVar mouseHoldTVar ( Just $ BrushWidgetAction pos brushAction )
|
||||||
|
pure ( UpdateDoc $ UpdateDocumentTo newDocument TrivialDiff )
|
||||||
_ -> pure Don'tModifyDoc
|
_ -> pure Don'tModifyDoc
|
||||||
| otherwise
|
| otherwise
|
||||||
-> pure Don'tModifyDoc
|
-> pure Don'tModifyDoc
|
||||||
mbDoc <- fmap present <$> STM.atomically ( activeDocument vars )
|
mbDoc <- fmap ( present . snd ) <$> STM.atomically ( activeDocument vars )
|
||||||
for_ mbDoc \doc ->
|
for_ mbDoc \ doc ->
|
||||||
updateInfoBar viewportDrawingArea infoBar vars ( Just doc )
|
updateInfoBar viewportDrawingArea infoBar vars ( Just $ documentMetadata doc )
|
||||||
for_ [ rulerCornerDrawingArea, topRulerDrawingArea, leftRulerDrawingArea ] \ drawingArea -> do
|
for_ [ rulerCornerDrawingArea, topRulerDrawingArea, leftRulerDrawingArea ] \ drawingArea -> do
|
||||||
GTK.widgetQueueDraw drawingArea
|
GTK.widgetQueueDraw drawingArea
|
||||||
|
|
||||||
|
selectionMode :: Foldable f => f Modifier -> SelectionMode
|
||||||
|
selectionMode = foldMap \case
|
||||||
|
Alt _ -> Subtract
|
||||||
|
Shift _ -> Add
|
||||||
|
_ -> New
|
||||||
|
|
||||||
|
pressingControl :: Foldable f => f Modifier -> Bool
|
||||||
|
pressingControl = any \case
|
||||||
|
Control {} -> True
|
||||||
|
_ -> False
|
||||||
|
|
||||||
-----------------
|
-----------------
|
||||||
-- Mouse click --
|
-- Mouse click --
|
||||||
-----------------
|
-----------------
|
||||||
|
@ -891,10 +891,12 @@ instance HandleAction MouseClick where
|
||||||
1 -> do
|
1 -> do
|
||||||
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
||||||
viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
||||||
modifyingCurrentDocument uiElts vars \ doc@( Document { zoomFactor, viewportCenter } ) -> do
|
modifyingCurrentDocument uiElts vars \ doc -> do
|
||||||
let
|
let
|
||||||
|
meta@( Metadata { documentZoom = zoom, viewportCenter } )
|
||||||
|
= documentMetadata doc
|
||||||
toViewport :: ℝ 2 -> ℝ 2
|
toViewport :: ℝ 2 -> ℝ 2
|
||||||
toViewport = toViewportCoordinates zoomFactor ( viewportWidth, viewportHeight ) viewportCenter
|
toViewport = toViewportCoordinates zoom ( viewportWidth, viewportHeight ) viewportCenter
|
||||||
pos :: ℝ 2
|
pos :: ℝ 2
|
||||||
pos = toViewport mouseClickCoords
|
pos = toViewport mouseClickCoords
|
||||||
STM.writeTVar mousePosTVar ( Just pos )
|
STM.writeTVar mousePosTVar ( Just pos )
|
||||||
|
@ -919,14 +921,21 @@ instance HandleAction MouseClick where
|
||||||
case selectionMode modifiers of
|
case selectionMode modifiers of
|
||||||
-- Drag move: not holding shift or alt, click has selected something.
|
-- Drag move: not holding shift or alt, click has selected something.
|
||||||
New
|
New
|
||||||
| Just ( dragMove, newDoc ) <- dragMoveSelect pos doc
|
| Just dragMove <- dragMoveSelect pos doc
|
||||||
-> do
|
-> do
|
||||||
STM.writeTVar mouseHoldTVar ( Just $ DragMoveHold pos dragMove )
|
STM.writeTVar mouseHoldTVar ( Just $ DragMoveHold pos dragMove )
|
||||||
case dragMove of
|
case dragMove of
|
||||||
ClickedOnSelected ->
|
ClickedOnPoint { dragPoint = (u, i), dragPointWasSelected } ->
|
||||||
pure Don'tModifyDoc
|
if dragPointWasSelected
|
||||||
ClickedOnUnselected ->
|
-- Clicked on a selected point: preserve selection.
|
||||||
pure ( UpdateDoc . UpdateDocumentTo . TrivialChange $ newDoc )
|
then pure Don'tModifyDoc
|
||||||
|
else do
|
||||||
|
-- Clicked on an unselected point: only select that point.
|
||||||
|
let newDoc = set ( field' @"documentMetadata" . field' @"selectedPoints" )
|
||||||
|
( StrokePoints $ Map.singleton u ( Set.singleton i ) )
|
||||||
|
doc
|
||||||
|
pure ( UpdateDoc $ UpdateDocumentTo newDoc TrivialDiff )
|
||||||
|
-- Clicked on curve: preserve old selection.
|
||||||
ClickedOnCurve {} ->
|
ClickedOnCurve {} ->
|
||||||
pure Don'tModifyDoc
|
pure Don'tModifyDoc
|
||||||
-- Rectangular selection.
|
-- Rectangular selection.
|
||||||
|
@ -940,24 +949,29 @@ instance HandleAction MouseClick where
|
||||||
case mbPartialPath of
|
case mbPartialPath of
|
||||||
-- No path started yet: find anchor for drawing (existing stroke endpoint, or new stroke).
|
-- No path started yet: find anchor for drawing (existing stroke endpoint, or new stroke).
|
||||||
Nothing -> do
|
Nothing -> do
|
||||||
( newDocument, drawAnchor, anchorPt, mbExistingAnchorName ) <-
|
( newDocument, drawAnchor ) <-
|
||||||
getOrCreateDrawAnchor uniqueSupply pos doc
|
getOrCreateDrawAnchor uniqueSupply pos doc
|
||||||
STM.writeTVar partialPathTVar
|
STM.writeTVar partialPathTVar
|
||||||
( Just $ PartialPath
|
( Just $ PartialPath
|
||||||
{ partialStartPos = anchorPt
|
{ partialPathAnchor = drawAnchor
|
||||||
, partialControlPoint = Nothing
|
, partialControlPoint = Nothing
|
||||||
, partialPathAnchor = drawAnchor
|
|
||||||
, firstPoint = True
|
, firstPoint = True
|
||||||
}
|
}
|
||||||
)
|
)
|
||||||
case mbExistingAnchorName of
|
if anchorIsNew drawAnchor
|
||||||
Nothing ->
|
then do
|
||||||
let
|
let
|
||||||
changeText :: Text
|
diff :: Diff
|
||||||
changeText = "Begin new stroke"
|
diff = HistoryDiff $ HierarchyDiff
|
||||||
in pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
$ NewLayer
|
||||||
Just _ ->
|
{ newUnique = anchorStroke drawAnchor
|
||||||
pure Don'tModifyDoc
|
, newPosition = WithinParent Root 0
|
||||||
|
-- TODO: add the stroke above the selected layer
|
||||||
|
-- or something of the sort.
|
||||||
|
}
|
||||||
|
pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
|
||||||
|
else
|
||||||
|
pure Don'tModifyDoc
|
||||||
-- Path already started: indicate that we are continuing a path.
|
-- Path already started: indicate that we are continuing a path.
|
||||||
Just pp -> do
|
Just pp -> do
|
||||||
STM.writeTVar partialPathTVar ( Just $ pp { firstPoint = False } )
|
STM.writeTVar partialPathTVar ( Just $ pp { firstPoint = False } )
|
||||||
|
@ -970,11 +984,15 @@ instance HandleAction MouseClick where
|
||||||
-> Just brushWidgetAction
|
-> Just brushWidgetAction
|
||||||
_ -> Nothing
|
_ -> Nothing
|
||||||
case applyBrushWidgetAction ( pressingControl modifiers ) pos mbPrevWidgetAction doc of
|
case applyBrushWidgetAction ( pressingControl modifiers ) pos mbPrevWidgetAction doc of
|
||||||
Just ( actionState@( BrushWidgetActionState { brushWidgetAction = act } ), newDocument ) -> do
|
Just ( newDocument, actionState@( BrushWidgetActionState { brushWidgetAction = act } ) ) -> do
|
||||||
STM.writeTVar mouseHoldTVar ( Just $ BrushWidgetAction pos actionState )
|
STM.writeTVar mouseHoldTVar ( Just $ BrushWidgetAction pos actionState )
|
||||||
let changeText :: Text
|
let diff = HistoryDiff $ ContentDiff
|
||||||
changeText = "Update brush parameters (" <> Brush.describeWidgetAction act <> ")"
|
$ UpdateBrushParameters
|
||||||
pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
{ updateBrushStroke = brushWidgetStrokeUnique actionState
|
||||||
|
, updateBrushPoint = brushWidgetPointIndex actionState
|
||||||
|
, updateBrushAction = act
|
||||||
|
}
|
||||||
|
pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
|
||||||
_ ->
|
_ ->
|
||||||
pure Don'tModifyDoc
|
pure Don'tModifyDoc
|
||||||
|
|
||||||
|
@ -992,11 +1010,11 @@ instance HandleAction MouseClick where
|
||||||
case subdivide pos doc of
|
case subdivide pos doc of
|
||||||
Nothing ->
|
Nothing ->
|
||||||
pure Don'tModifyDoc
|
pure Don'tModifyDoc
|
||||||
Just ( newDocument, loc ) -> do
|
Just ( newDocument, subdiv ) -> do
|
||||||
let
|
let
|
||||||
changeText :: Text
|
diff = HistoryDiff $ ContentDiff
|
||||||
changeText = "Subdivide " <> loc
|
$ SubdivideStroke subdiv
|
||||||
pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
|
||||||
|
|
||||||
-- Ignore double click event otherwise.
|
-- Ignore double click event otherwise.
|
||||||
_ -> pure Don'tModifyDoc
|
_ -> pure Don'tModifyDoc
|
||||||
|
@ -1005,12 +1023,12 @@ instance HandleAction MouseClick where
|
||||||
showGuides <- STM.readTVar showGuidesTVar
|
showGuides <- STM.readTVar showGuidesTVar
|
||||||
when showGuides do
|
when showGuides do
|
||||||
let
|
let
|
||||||
mbGuide :: Maybe Guide
|
mbGuide :: Maybe ( Unique, Guide )
|
||||||
mbGuide = selectedGuide pos doc
|
mbGuide = selectedGuide pos zoom ( documentGuides meta )
|
||||||
guideAction :: GuideAction
|
guideAction :: GuideAction
|
||||||
guideAction
|
guideAction
|
||||||
| Just guide <- mbGuide
|
| Just ( guideUnique, _guide ) <- mbGuide
|
||||||
= MoveGuide ( guideUnique guide )
|
= MoveGuide guideUnique
|
||||||
| otherwise
|
| otherwise
|
||||||
= CreateGuide ruler
|
= CreateGuide ruler
|
||||||
STM.writeTVar mouseHoldTVar ( Just $ GuideAction { holdStartPos = pos, guideAction } )
|
STM.writeTVar mouseHoldTVar ( Just $ GuideAction { holdStartPos = pos, guideAction } )
|
||||||
|
@ -1043,10 +1061,11 @@ instance HandleAction MouseRelease where
|
||||||
1 -> do
|
1 -> do
|
||||||
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
||||||
viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
||||||
modifyingCurrentDocument uiElts vars \ doc@( Document { zoomFactor, viewportCenter } ) -> do
|
modifyingCurrentDocument uiElts vars \ doc@( Document { documentMetadata } ) -> do
|
||||||
let
|
let
|
||||||
|
Metadata { documentZoom = zoom, viewportCenter } = documentMetadata
|
||||||
toViewport :: ℝ 2 -> ℝ 2
|
toViewport :: ℝ 2 -> ℝ 2
|
||||||
toViewport = toViewportCoordinates zoomFactor ( viewportWidth, viewportHeight ) viewportCenter
|
toViewport = toViewportCoordinates zoom ( viewportWidth, viewportHeight ) viewportCenter
|
||||||
pos :: ℝ 2
|
pos :: ℝ 2
|
||||||
pos = toViewport ( ℝ2 x y )
|
pos = toViewport ( ℝ2 x y )
|
||||||
STM.writeTVar mousePosTVar ( Just pos )
|
STM.writeTVar mousePosTVar ( Just pos )
|
||||||
|
@ -1060,12 +1079,9 @@ instance HandleAction MouseRelease where
|
||||||
| createGuide
|
| createGuide
|
||||||
-> do
|
-> do
|
||||||
newDocument <- addGuide uniqueSupply ruler pos doc
|
newDocument <- addGuide uniqueSupply ruler pos doc
|
||||||
let
|
pure ( UpdateDoc $ UpdateDocumentTo newDocument TrivialDiff )
|
||||||
changeText :: Text
|
|
||||||
changeText = "Create guide"
|
|
||||||
pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
|
||||||
| otherwise
|
| otherwise
|
||||||
-> pure ( UpdateDoc . UpdateDocumentTo $ TrivialChange doc )
|
-> pure ( UpdateDoc $ UpdateDocumentTo doc TrivialDiff )
|
||||||
-- ^^ force an UI update when releasing a guide inside a ruler area
|
-- ^^ force an UI update when releasing a guide inside a ruler area
|
||||||
where
|
where
|
||||||
createGuide :: Bool
|
createGuide :: Bool
|
||||||
|
@ -1080,22 +1096,18 @@ instance HandleAction MouseRelease where
|
||||||
newDocument :: Document
|
newDocument :: Document
|
||||||
newDocument =
|
newDocument =
|
||||||
over
|
over
|
||||||
( field' @"documentContent" . field' @"guides" . ix guideUnique . field' @"guidePoint" )
|
( field' @"documentMetadata" . field' @"documentGuides" . ix guideUnique . field' @"guidePoint" )
|
||||||
( ( holdStartPos --> pos :: T ( ℝ 2 ) ) • )
|
( ( holdStartPos --> pos :: T ( ℝ 2 ) ) • )
|
||||||
doc
|
doc
|
||||||
changeText :: Text
|
in pure ( UpdateDoc $ UpdateDocumentTo newDocument TrivialDiff )
|
||||||
changeText = "Move guide"
|
|
||||||
in pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
|
||||||
| otherwise
|
| otherwise
|
||||||
-> let
|
-> let
|
||||||
newDocument :: Document
|
newDocument :: Document
|
||||||
newDocument =
|
newDocument =
|
||||||
set ( field' @"documentContent" . field' @"guides" . at guideUnique )
|
set ( field' @"documentMetadata" . field' @"documentGuides" . at guideUnique )
|
||||||
Nothing
|
Nothing
|
||||||
doc
|
doc
|
||||||
changeText :: Text
|
in pure ( UpdateDoc $ UpdateDocumentTo newDocument TrivialDiff )
|
||||||
changeText = "Delete guide"
|
|
||||||
in pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
|
||||||
where
|
where
|
||||||
l, t :: Double
|
l, t :: Double
|
||||||
ℝ2 l t = toViewport ( ℝ2 0 0 )
|
ℝ2 l t = toViewport ( ℝ2 0 0 )
|
||||||
|
@ -1119,17 +1131,27 @@ instance HandleAction MouseRelease where
|
||||||
Just hold
|
Just hold
|
||||||
| PathMode <- mode
|
| PathMode <- mode
|
||||||
, DragMoveHold { holdStartPos = pos0, dragAction } <- hold
|
, DragMoveHold { holdStartPos = pos0, dragAction } <- hold
|
||||||
, quadrance @( T ( ℝ 2 ) ) pos0 pos * zoomFactor ^ ( 2 :: Int ) >= 16
|
, not $ inPointClickRange zoom pos0 pos
|
||||||
-> let
|
-> let
|
||||||
alternateMode :: Bool
|
alternateMode :: Bool
|
||||||
alternateMode = any ( \case { Alt _ -> True; _ -> False } ) modifiers
|
alternateMode = any ( \case { Alt _ -> True; _ -> False } ) modifiers
|
||||||
in case dragUpdate pos0 pos dragAction alternateMode doc of
|
in case dragUpdate pos0 pos dragAction alternateMode doc of
|
||||||
Just upd -> pure $ UpdateDoc ( UpdateDocumentTo upd )
|
Just ( doc', affectedPts ) ->
|
||||||
|
let diff = HistoryDiff $ ContentDiff
|
||||||
|
$ DragMove
|
||||||
|
{ dragMoveSelection = dragAction
|
||||||
|
, dragVector = pos0 --> pos
|
||||||
|
, draggedPoints = affectedPts
|
||||||
|
}
|
||||||
|
in pure $ UpdateDoc ( UpdateDocumentTo doc' diff )
|
||||||
Nothing -> pure Don'tModifyDoc
|
Nothing -> pure Don'tModifyDoc
|
||||||
| SelectionHold pos0 <- hold
|
| SelectionHold pos0 <- hold
|
||||||
, quadrance @( T ( ℝ 2 ) ) pos0 pos * zoomFactor ^ ( 2 :: Int ) >= 16
|
, not $ inPointClickRange zoom pos0 pos
|
||||||
-> pure ( UpdateDoc . UpdateDocumentTo . TrivialChange $ selectRectangle selMode pos0 pos doc )
|
, let mbDoc' = fst <$> selectRectangle selMode pos0 pos doc
|
||||||
_ -> pure ( UpdateDoc . UpdateDocumentTo . TrivialChange $ selectAt selMode pos doc )
|
-> pure ( UpdateDoc $ UpdateDocumentTo ( fromMaybe doc mbDoc' ) TrivialDiff )
|
||||||
|
_ ->
|
||||||
|
let mbDoc' = fst <$> selectAt selMode pos doc
|
||||||
|
in pure ( UpdateDoc $ UpdateDocumentTo ( fromMaybe doc mbDoc' ) TrivialDiff )
|
||||||
|
|
||||||
Pen -> case mode of
|
Pen -> case mode of
|
||||||
PathMode -> do
|
PathMode -> do
|
||||||
|
@ -1145,13 +1167,14 @@ instance HandleAction MouseRelease where
|
||||||
-- - release at different point as click: finish current segment, adding a control point.
|
-- - release at different point as click: finish current segment, adding a control point.
|
||||||
Just
|
Just
|
||||||
( PartialPath
|
( PartialPath
|
||||||
{ partialStartPos = p1
|
{ partialPathAnchor = anchor
|
||||||
, partialControlPoint = mbCp2
|
, partialControlPoint = mbCp2
|
||||||
, partialPathAnchor = anchor
|
|
||||||
, firstPoint
|
, firstPoint
|
||||||
}
|
}
|
||||||
) -> do
|
) -> do
|
||||||
let
|
let
|
||||||
|
p1 :: ℝ 2
|
||||||
|
p1 = anchorPos anchor
|
||||||
pathPoint :: ℝ 2
|
pathPoint :: ℝ 2
|
||||||
mbControlPoint :: Maybe ( ℝ 2 )
|
mbControlPoint :: Maybe ( ℝ 2 )
|
||||||
partialControlPoint :: Maybe ( ℝ 2 )
|
partialControlPoint :: Maybe ( ℝ 2 )
|
||||||
|
@ -1160,60 +1183,72 @@ instance HandleAction MouseRelease where
|
||||||
= ( holdPos, Just $ ( pos --> holdPos :: T ( ℝ 2 ) ) • holdPos, Just pos )
|
= ( holdPos, Just $ ( pos --> holdPos :: T ( ℝ 2 ) ) • holdPos, Just pos )
|
||||||
| otherwise
|
| otherwise
|
||||||
= ( pos, Nothing, Nothing )
|
= ( pos, Nothing, Nothing )
|
||||||
( _, otherAnchor, otherAnchorPt, _ ) <- getOrCreateDrawAnchor uniqueSupply pathPoint doc
|
i0
|
||||||
|
| anchorIsAtEnd anchor
|
||||||
|
= case anchorIndex anchor of
|
||||||
|
FirstPoint -> 0
|
||||||
|
PointIndex { pointCurve = i } -> i + 1
|
||||||
|
| otherwise
|
||||||
|
= case anchorIndex anchor of
|
||||||
|
FirstPoint -> -1
|
||||||
|
PointIndex { pointCurve = i } -> i - 1
|
||||||
|
( _, otherAnchor ) <- getOrCreateDrawAnchor uniqueSupply pathPoint doc
|
||||||
if not firstPoint && anchorsAreComplementary anchor otherAnchor
|
if not firstPoint && anchorsAreComplementary anchor otherAnchor
|
||||||
-- Close path.
|
-- Close path.
|
||||||
then do
|
then do
|
||||||
STM.writeTVar partialPathTVar Nothing
|
STM.writeTVar partialPathTVar Nothing
|
||||||
let
|
let
|
||||||
newSegment :: Spline Open ( CachedStroke RealWorld ) ( PointData () )
|
newSegment :: Spline Open CurveData ( PointData () )
|
||||||
newSegment = catMaybesSpline ( invalidateCache undefined )
|
newSegment = catMaybesSpline ( CurveData i0 ( invalidateCache undefined ) )
|
||||||
( PointData p1 Normal () )
|
( PointData p1 () )
|
||||||
( do
|
( do
|
||||||
cp <- mbCp2
|
cp <- mbCp2
|
||||||
guard ( cp /= p1 )
|
guard ( cp /= p1 )
|
||||||
pure ( PointData cp Normal () )
|
pure ( PointData cp () )
|
||||||
)
|
)
|
||||||
( do
|
( do
|
||||||
cp <- mbControlPoint
|
cp <- mbControlPoint
|
||||||
guard ( cp /= otherAnchorPt )
|
guard ( cp /= anchorPos otherAnchor )
|
||||||
pure ( PointData cp Normal () )
|
pure ( PointData cp () )
|
||||||
)
|
)
|
||||||
( PointData otherAnchorPt Normal () )
|
( PointData ( anchorPos otherAnchor) () )
|
||||||
newDocument :: Document
|
newDocument :: Document
|
||||||
newDocument = addToAnchor anchor newSegment doc
|
newDocument = addToAnchor anchor newSegment doc
|
||||||
changeText :: Text
|
diff = HistoryDiff $ ContentDiff
|
||||||
changeText = "Close stroke"
|
$ CloseStroke { closedStroke = anchorStroke anchor }
|
||||||
pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
|
||||||
else
|
else
|
||||||
if firstPoint
|
if firstPoint
|
||||||
-- Continue current partial path.
|
-- Continue current partial path.
|
||||||
then do
|
then do
|
||||||
STM.writeTVar partialPathTVar ( Just $ PartialPath p1 partialControlPoint anchor False )
|
STM.writeTVar partialPathTVar ( Just $ PartialPath anchor partialControlPoint False )
|
||||||
pure Don'tModifyDoc
|
pure Don'tModifyDoc
|
||||||
-- Finish current partial path.
|
-- Finish current partial path.
|
||||||
else do
|
else do
|
||||||
STM.writeTVar partialPathTVar ( Just $ PartialPath pathPoint partialControlPoint anchor False )
|
STM.writeTVar partialPathTVar ( Just $ PartialPath ( anchor { anchorPos = pathPoint } ) partialControlPoint False )
|
||||||
let
|
let
|
||||||
newSegment :: Spline Open ( CachedStroke RealWorld ) ( PointData () )
|
newSegment :: Spline Open CurveData ( PointData () )
|
||||||
newSegment = catMaybesSpline ( invalidateCache undefined )
|
newSegment = catMaybesSpline ( CurveData i0 ( invalidateCache undefined ) )
|
||||||
( PointData p1 Normal () )
|
( PointData p1 () )
|
||||||
( do
|
( do
|
||||||
cp <- mbCp2
|
cp <- mbCp2
|
||||||
guard ( cp /= p1 )
|
guard ( cp /= p1 )
|
||||||
pure ( PointData cp Normal () )
|
pure ( PointData cp () )
|
||||||
)
|
)
|
||||||
( do
|
( do
|
||||||
cp <- mbControlPoint
|
cp <- mbControlPoint
|
||||||
guard ( cp /= pathPoint )
|
guard ( cp /= pathPoint )
|
||||||
pure ( PointData cp Normal () )
|
pure ( PointData cp () )
|
||||||
)
|
)
|
||||||
( PointData pathPoint Normal () )
|
( PointData pathPoint () )
|
||||||
newDocument :: Document
|
newDocument :: Document
|
||||||
newDocument = addToAnchor anchor newSegment doc
|
newDocument = addToAnchor anchor newSegment doc
|
||||||
changeText :: Text
|
diff = HistoryDiff $ ContentDiff
|
||||||
changeText = "Continue stroke"
|
$ ContinueStroke
|
||||||
pure ( UpdateDoc . UpdateDocumentTo $ HistoryChange {..} )
|
{ continuedStroke = anchorStroke anchor
|
||||||
|
, newSegment = bimapSpline ( \ _ crv -> bimapCurve ( \ _ -> () ) ( \ _ _ -> () ) crv ) ( \ _ -> () ) newSegment
|
||||||
|
}
|
||||||
|
pure ( UpdateDoc $ UpdateDocumentTo newDocument diff )
|
||||||
BrushMode -> do
|
BrushMode -> do
|
||||||
STM.writeTVar mouseHoldTVar Nothing
|
STM.writeTVar mouseHoldTVar Nothing
|
||||||
pure Don'tModifyDoc
|
pure Don'tModifyDoc
|
||||||
|
@ -1255,7 +1290,8 @@ instance HandleAction Scroll where
|
||||||
--viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
--viewportHeight <- fromIntegral @_ @Double <$> GTK.widgetGetHeight viewportDrawingArea
|
||||||
|
|
||||||
unless ( dx == 0 && dy == 0 ) do
|
unless ( dx == 0 && dy == 0 ) do
|
||||||
modifyingCurrentDocument uiElts vars \ ( doc@( Document { viewportCenter = oldCenter, zoomFactor = oldZoomFactor } ) ) -> do
|
modifyingCurrentDocument uiElts vars \ doc@( Document { documentMetadata = oldMetadata }) -> do
|
||||||
|
let Metadata { viewportCenter = oldCenter, documentZoom = Zoom { zoomFactor = oldZoomFactor } } = oldMetadata
|
||||||
modifiers <- STM.readTVar modifiersTVar
|
modifiers <- STM.readTVar modifiersTVar
|
||||||
let
|
let
|
||||||
mousePos :: ℝ 2
|
mousePos :: ℝ 2
|
||||||
|
@ -1276,22 +1312,31 @@ instance HandleAction Scroll where
|
||||||
newCenter
|
newCenter
|
||||||
= ( 1 - oldZoomFactor / newZoomFactor ) *^ ( oldCenter --> mousePos :: T ( ℝ 2 ) )
|
= ( 1 - oldZoomFactor / newZoomFactor ) *^ ( oldCenter --> mousePos :: T ( ℝ 2 ) )
|
||||||
• oldCenter
|
• oldCenter
|
||||||
in ( doc { zoomFactor = newZoomFactor, viewportCenter = newCenter }, mousePos )
|
newMetadata =
|
||||||
|
oldMetadata
|
||||||
|
{ documentZoom = Zoom newZoomFactor
|
||||||
|
, viewportCenter = newCenter }
|
||||||
|
|
||||||
|
in ( doc { documentMetadata = newMetadata }, mousePos )
|
||||||
-- Vertical scrolling turned into horizontal scrolling using 'Shift'.
|
-- Vertical scrolling turned into horizontal scrolling using 'Shift'.
|
||||||
| dx == 0 && any ( \ case { Shift _ -> True; _ -> False } ) modifiers
|
| dx == 0 && any ( \ case { Shift _ -> True; _ -> False } ) modifiers
|
||||||
= let
|
= let
|
||||||
newCenter :: ℝ 2
|
newCenter :: ℝ 2
|
||||||
newCenter = ( ( 25 / oldZoomFactor ) *^ V2 dy 0 ) • oldCenter
|
newCenter = ( ( 25 / oldZoomFactor ) *^ V2 dy 0 ) • oldCenter
|
||||||
in ( doc { viewportCenter = newCenter }, ( oldCenter --> newCenter :: T ( ℝ 2 ) ) • mousePos )
|
in ( set ( field' @"documentMetadata" . field' @"viewportCenter" ) newCenter doc
|
||||||
|
, ( oldCenter --> newCenter :: T ( ℝ 2 ) ) • mousePos
|
||||||
|
)
|
||||||
-- Vertical scrolling.
|
-- Vertical scrolling.
|
||||||
| otherwise
|
| otherwise
|
||||||
= let
|
= let
|
||||||
newCenter :: ℝ 2
|
newCenter :: ℝ 2
|
||||||
newCenter = ( ( 25 / oldZoomFactor ) *^ V2 dx dy ) • oldCenter
|
newCenter = ( ( 25 / oldZoomFactor ) *^ V2 dx dy ) • oldCenter
|
||||||
in ( doc { viewportCenter = newCenter }, ( oldCenter --> newCenter :: T ( ℝ 2 ) ) • mousePos )
|
in ( set ( field' @"documentMetadata" . field' @"viewportCenter" ) newCenter doc
|
||||||
|
, ( oldCenter --> newCenter :: T ( ℝ 2 ) ) • mousePos
|
||||||
|
)
|
||||||
for_ mbMousePos \ _ ->
|
for_ mbMousePos \ _ ->
|
||||||
STM.writeTVar mousePosTVar ( Just finalMousePos )
|
STM.writeTVar mousePosTVar ( Just finalMousePos )
|
||||||
pure ( UpdateDoc . UpdateDocumentTo . TrivialChange $ newDoc )
|
pure ( UpdateDoc $ UpdateDocumentTo newDoc TrivialDiff )
|
||||||
|
|
||||||
--------------------
|
--------------------
|
||||||
-- Keyboard press --
|
-- Keyboard press --
|
|
@ -1,4 +1,4 @@
|
||||||
module MetaBrush.Action where
|
module MetaBrush.Application.Action where
|
||||||
|
|
||||||
-- base
|
-- base
|
||||||
import Data.Word
|
import Data.Word
|
||||||
|
@ -18,7 +18,7 @@ import Data.Text
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..), T(..) )
|
( ℝ(..), T(..) )
|
||||||
import {-# SOURCE #-} MetaBrush.Context
|
import {-# SOURCE #-} MetaBrush.Application.Context
|
||||||
( UIElements, Variables )
|
( UIElements, Variables )
|
||||||
import {-# SOURCE #-} MetaBrush.UI.FileBar
|
import {-# SOURCE #-} MetaBrush.UI.FileBar
|
||||||
( TabLocation(..) )
|
( TabLocation(..) )
|
|
@ -1,4 +1,4 @@
|
||||||
module MetaBrush.Context
|
module MetaBrush.Application.Context
|
||||||
( UIElements(..), Variables(..)
|
( UIElements(..), Variables(..)
|
||||||
, LR(..), Modifier(..), modifierKey
|
, LR(..), Modifier(..), modifierKey
|
||||||
, HoldAction(..), GuideAction(..), PartialPath(..)
|
, HoldAction(..), GuideAction(..), PartialPath(..)
|
||||||
|
@ -38,27 +38,35 @@ import qualified Control.Concurrent.STM.TVar as STM
|
||||||
import Data.HashMap.Strict
|
import Data.HashMap.Strict
|
||||||
( HashMap )
|
( HashMap )
|
||||||
|
|
||||||
-- MetaBrush
|
-- brush-strokes
|
||||||
import Math.Bezier.Cubic.Fit
|
import Math.Bezier.Cubic.Fit
|
||||||
( FitParameters )
|
( FitParameters )
|
||||||
import Math.Bezier.Stroke
|
import Math.Bezier.Stroke
|
||||||
( RootSolvingAlgorithm )
|
( RootSolvingAlgorithm )
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..) )
|
( ℝ(..) )
|
||||||
import {-# SOURCE #-} MetaBrush.Action
|
import Math.Root.Isolation
|
||||||
|
( RootIsolationOptions )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import MetaBrush.Action
|
||||||
|
( BrushWidgetActionState )
|
||||||
|
import {-# SOURCE #-} MetaBrush.Application.Action
|
||||||
( ActionName )
|
( ActionName )
|
||||||
import MetaBrush.Asset.Colours
|
import MetaBrush.Asset.Colours
|
||||||
( Colours )
|
( Colours )
|
||||||
import MetaBrush.Document.Draw
|
import MetaBrush.Document.Diff
|
||||||
|
( DragMoveSelect )
|
||||||
|
import MetaBrush.Draw
|
||||||
( DrawAnchor )
|
( DrawAnchor )
|
||||||
import MetaBrush.Document.History
|
import MetaBrush.Document.History
|
||||||
( DocumentHistory(..) )
|
( DocumentHistory(..) )
|
||||||
import MetaBrush.Document.Selection
|
|
||||||
( DragMoveSelect, BrushWidgetActionState )
|
|
||||||
import {-# SOURCE #-} MetaBrush.UI.FileBar
|
import {-# SOURCE #-} MetaBrush.UI.FileBar
|
||||||
( FileBar, FileBarTab )
|
( FileBar, FileBarTab )
|
||||||
import {-# SOURCE #-} MetaBrush.UI.InfoBar
|
import {-# SOURCE #-} MetaBrush.UI.InfoBar
|
||||||
( InfoBar )
|
( InfoBar )
|
||||||
|
import MetaBrush.UI.Panels
|
||||||
|
( PanelsBar )
|
||||||
import {-# SOURCE #-} MetaBrush.UI.ToolBar
|
import {-# SOURCE #-} MetaBrush.UI.ToolBar
|
||||||
( Tool, Mode )
|
( Tool, Mode )
|
||||||
import MetaBrush.UI.Viewport
|
import MetaBrush.UI.Viewport
|
||||||
|
@ -66,6 +74,7 @@ import MetaBrush.UI.Viewport
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
( UniqueSupply, Unique )
|
( UniqueSupply, Unique )
|
||||||
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
data UIElements
|
data UIElements
|
||||||
|
@ -80,28 +89,31 @@ data UIElements
|
||||||
, infoBar :: !InfoBar
|
, infoBar :: !InfoBar
|
||||||
, menuBar :: GTK.PopoverMenuBar -- needs to be lazy for RecursiveDo
|
, menuBar :: GTK.PopoverMenuBar -- needs to be lazy for RecursiveDo
|
||||||
, menuActions :: !( HashMap ActionName GIO.SimpleAction )
|
, menuActions :: !( HashMap ActionName GIO.SimpleAction )
|
||||||
|
, panelsBar :: !PanelsBar
|
||||||
, colours :: !Colours
|
, colours :: !Colours
|
||||||
}
|
}
|
||||||
|
|
||||||
data Variables
|
data Variables
|
||||||
= Variables
|
= Variables
|
||||||
{ uniqueSupply :: !UniqueSupply
|
{ uniqueSupply :: !UniqueSupply
|
||||||
, recomputeStrokesTVar :: !( STM.TVar Bool )
|
, recomputeStrokesTVar :: !( STM.TVar Bool )
|
||||||
, documentRenderTVar :: !( STM.TVar ( ( Int32, Int32 ) -> Cairo.Render () ) )
|
, documentRenderTVar :: !( STM.TVar ( ( Int32, Int32 ) -> Cairo.Render () ) )
|
||||||
, activeDocumentTVar :: !( STM.TVar ( Maybe Unique ) )
|
, activeDocumentTVar :: !( STM.TVar ( Maybe Unique ) )
|
||||||
, openDocumentsTVar :: !( STM.TVar ( Map Unique DocumentHistory ) )
|
, openDocumentsTVar :: !( STM.TVar ( Map Unique DocumentHistory ) )
|
||||||
, mousePosTVar :: !( STM.TVar ( Maybe ( ℝ 2 ) ) )
|
, strokeListModelsTVar :: !( STM.TVar ( Map Unique GTK.SelectionModel ) )
|
||||||
, mouseHoldTVar :: !( STM.TVar ( Maybe HoldAction ) )
|
, mousePosTVar :: !( STM.TVar ( Maybe ( ℝ 2 ) ) )
|
||||||
, modifiersTVar :: !( STM.TVar ( Set Modifier ) )
|
, mouseHoldTVar :: !( STM.TVar ( Maybe HoldAction ) )
|
||||||
, toolTVar :: !( STM.TVar Tool )
|
, modifiersTVar :: !( STM.TVar ( Set Modifier ) )
|
||||||
, modeTVar :: !( STM.TVar Mode )
|
, toolTVar :: !( STM.TVar Tool )
|
||||||
, debugTVar :: !( STM.TVar Bool )
|
, modeTVar :: !( STM.TVar Mode )
|
||||||
, partialPathTVar :: !( STM.TVar ( Maybe PartialPath ) )
|
, debugTVar :: !( STM.TVar Bool )
|
||||||
, fileBarTabsTVar :: !( STM.TVar ( Map Unique FileBarTab ) )
|
, partialPathTVar :: !( STM.TVar ( Maybe PartialPath ) )
|
||||||
, showGuidesTVar :: !( STM.TVar Bool )
|
, fileBarTabsTVar :: !( STM.TVar ( Map Unique FileBarTab ) )
|
||||||
, maxHistorySizeTVar :: !( STM.TVar Int )
|
, showGuidesTVar :: !( STM.TVar Bool )
|
||||||
, fitParametersTVar :: !( STM.TVar FitParameters )
|
, maxHistorySizeTVar :: !( STM.TVar Int )
|
||||||
, rootsAlgoTVar :: !( STM.TVar RootSolvingAlgorithm )
|
, fitParametersTVar :: !( STM.TVar FitParameters )
|
||||||
|
, rootsAlgoTVar :: !( STM.TVar RootSolvingAlgorithm )
|
||||||
|
, cuspFindingOptionsTVar :: !( STM.TVar ( Maybe ( RootIsolationOptions 2 3 ) ) )
|
||||||
}
|
}
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
@ -159,9 +171,8 @@ data HoldAction
|
||||||
-- | Keep track of a path that is in the middle of being drawn.
|
-- | Keep track of a path that is in the middle of being drawn.
|
||||||
data PartialPath
|
data PartialPath
|
||||||
= PartialPath
|
= PartialPath
|
||||||
{ partialStartPos :: !( ℝ 2 )
|
{ partialPathAnchor :: !DrawAnchor
|
||||||
, partialControlPoint :: !( Maybe ( ℝ 2 ) )
|
, partialControlPoint :: !( Maybe ( ℝ 2 ) )
|
||||||
, partialPathAnchor :: !DrawAnchor
|
|
||||||
, firstPoint :: !Bool
|
, firstPoint :: !Bool
|
||||||
}
|
}
|
||||||
deriving stock Show
|
deriving stock Show
|
|
@ -1,4 +1,4 @@
|
||||||
module MetaBrush.Context
|
module MetaBrush.Application.Context
|
||||||
( UIElements, Variables
|
( UIElements, Variables
|
||||||
, Modifier(..), LR(..) )
|
, Modifier(..), LR(..) )
|
||||||
where
|
where
|
|
@ -1,18 +1,10 @@
|
||||||
{-# LANGUAGE OverloadedStrings #-}
|
{-# LANGUAGE OverloadedStrings #-}
|
||||||
|
|
||||||
module MetaBrush.Document.Update
|
module MetaBrush.Application.UpdateDocument where
|
||||||
( activeDocument, withActiveDocument
|
|
||||||
, DocChange(..), DocumentUpdate(..)
|
|
||||||
, PureDocModification(..), DocModification(..)
|
|
||||||
, modifyingCurrentDocument
|
|
||||||
, updateUIAction
|
|
||||||
, updateHistoryState
|
|
||||||
)
|
|
||||||
where
|
|
||||||
|
|
||||||
-- base
|
-- base
|
||||||
import Control.Arrow
|
import Control.Arrow
|
||||||
( (&&&) )
|
( (&&&), second )
|
||||||
import Control.Monad
|
import Control.Monad
|
||||||
( join )
|
( join )
|
||||||
import Data.Coerce
|
import Data.Coerce
|
||||||
|
@ -67,48 +59,51 @@ import qualified Data.HashMap.Lazy as HashMap
|
||||||
( lookup )
|
( lookup )
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import {-# SOURCE #-} MetaBrush.Action
|
import {-# SOURCE #-} MetaBrush.Application.Action
|
||||||
( ActionName(..) )
|
( ActionName(..) )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( UIElements(..), Variables(..) )
|
( UIElements(..), Variables(..) )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..), DocumentContent(..) )
|
( Document(..), DocumentContent(..), DocumentMetadata(..)
|
||||||
|
)
|
||||||
|
import MetaBrush.Document.Diff
|
||||||
import MetaBrush.Document.History
|
import MetaBrush.Document.History
|
||||||
( DocumentHistory(..), atStart, atEnd
|
( DocumentHistory(..), atStart, atEnd
|
||||||
, newFutureStep, affirmPresent
|
, newFutureStep, affirmPresent
|
||||||
)
|
)
|
||||||
|
import MetaBrush.GTK.Util
|
||||||
|
( (>>?=) )
|
||||||
import {-# SOURCE #-} MetaBrush.UI.FileBar
|
import {-# SOURCE #-} MetaBrush.UI.FileBar
|
||||||
( FileBarTab(..), removeFileTab )
|
( FileBarTab(..), removeFileTab )
|
||||||
import {-# SOURCE #-} MetaBrush.UI.InfoBar
|
import {-# SOURCE #-} MetaBrush.UI.InfoBar
|
||||||
( updateInfoBar )
|
( updateInfoBar )
|
||||||
import MetaBrush.UI.Viewport
|
import MetaBrush.UI.Viewport
|
||||||
( Viewport(..) )
|
( Viewport(..) )
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.Unique
|
||||||
( (>>?=) )
|
( Unique )
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
-- | Read the currently active document from the stateful variables.
|
-- | Read the currently active document from the stateful variables.
|
||||||
activeDocument :: Variables -> STM ( Maybe DocumentHistory )
|
activeDocument :: Variables -> STM ( Maybe ( Unique, DocumentHistory ) )
|
||||||
activeDocument ( Variables { activeDocumentTVar, openDocumentsTVar } )
|
activeDocument ( Variables { activeDocumentTVar, openDocumentsTVar } )
|
||||||
= STM.readTVar activeDocumentTVar
|
= STM.readTVar activeDocumentTVar
|
||||||
>>?= ( \ unique -> Map.lookup unique <$> STM.readTVar openDocumentsTVar )
|
>>?= ( \ unique -> fmap ( unique , ) . Map.lookup unique <$> STM.readTVar openDocumentsTVar )
|
||||||
|
|
||||||
-- | Do something with the currently active document.
|
-- | Do something with the currently active document.
|
||||||
--
|
--
|
||||||
-- Does nothing if no document is currently active.
|
-- Does nothing if no document is currently active.
|
||||||
withActiveDocument :: Variables -> ( Document -> STM a ) -> STM ( Maybe a )
|
withActiveDocument :: Variables -> ( Unique -> Document -> STM a ) -> STM ( Maybe a )
|
||||||
withActiveDocument vars f = traverse f =<< ( fmap present <$> activeDocument vars )
|
withActiveDocument vars f = traverse ( uncurry f ) =<< ( fmap ( second present ) <$> activeDocument vars )
|
||||||
|
|
||||||
|
|
||||||
data DocChange
|
|
||||||
= TrivialChange { newDocument :: !Document }
|
|
||||||
| HistoryChange { newDocument :: !Document, changeText :: !Text }
|
|
||||||
|
|
||||||
|
-- TODO: not sure why we need this datatype.
|
||||||
data DocumentUpdate
|
data DocumentUpdate
|
||||||
= CloseDocument
|
= CloseDocument
|
||||||
| SaveDocument !( Maybe FilePath )
|
| SaveDocument !( Maybe FilePath )
|
||||||
| UpdateDocumentTo !DocChange
|
| UpdateDocumentTo
|
||||||
|
{ newDocument :: !Document
|
||||||
|
, documentDiff :: !Diff
|
||||||
|
}
|
||||||
|
|
||||||
data PureDocModification
|
data PureDocModification
|
||||||
= Don'tModifyDoc
|
= Don'tModifyDoc
|
||||||
|
@ -154,69 +149,83 @@ modifyingCurrentDocument uiElts@( UIElements { menuActions } ) vars@( Variables
|
||||||
Ap uiUpdateAction <- lift . getAp $ flip ( foldMapOf docFold ) modif $ Ap . \case
|
Ap uiUpdateAction <- lift . getAp $ flip ( foldMapOf docFold ) modif $ Ap . \case
|
||||||
CloseDocument -> do
|
CloseDocument -> do
|
||||||
STM.modifyTVar' openDocumentsTVar ( Map.delete unique )
|
STM.modifyTVar' openDocumentsTVar ( Map.delete unique )
|
||||||
coerce ( updateUIAction uiElts vars )
|
let change = ActiveDocChange { mbOldDocUnique = Just unique }
|
||||||
|
coerce ( updateUIAction change uiElts vars )
|
||||||
SaveDocument Nothing -> do
|
SaveDocument Nothing -> do
|
||||||
STM.modifyTVar' openDocumentsTVar ( Map.adjust affirmPresent unique )
|
STM.modifyTVar' openDocumentsTVar ( Map.adjust affirmPresent unique )
|
||||||
coerce ( updateUIAction uiElts vars )
|
coerce ( updateUIAction NoActiveDocChange uiElts vars )
|
||||||
SaveDocument ( Just newFilePath ) -> do
|
SaveDocument ( Just newFilePath ) -> do
|
||||||
STM.modifyTVar' openDocumentsTVar
|
STM.modifyTVar' openDocumentsTVar
|
||||||
( Map.adjust
|
( Map.adjust
|
||||||
( affirmPresent
|
( affirmPresent
|
||||||
. set ( field' @"present" . field' @"mbFilePath" )
|
. set ( field' @"present" . field' @"documentMetadata" . field' @"documentFilePath" )
|
||||||
( Just newFilePath )
|
( Just newFilePath )
|
||||||
)
|
)
|
||||||
unique
|
unique
|
||||||
)
|
)
|
||||||
coerce ( updateUIAction uiElts vars )
|
coerce ( updateUIAction NoActiveDocChange uiElts vars )
|
||||||
UpdateDocumentTo ( TrivialChange { newDocument } ) -> do
|
UpdateDocumentTo { newDocument, documentDiff = diff } ->
|
||||||
STM.modifyTVar' openDocumentsTVar
|
case diff of
|
||||||
( Map.adjust ( set ( field' @"present" ) newDocument ) unique )
|
TrivialDiff -> do
|
||||||
coerce ( updateUIAction uiElts vars )
|
-- Non-content change.
|
||||||
UpdateDocumentTo ( HistoryChange { newDocument, changeText } ) -> do
|
STM.modifyTVar' openDocumentsTVar
|
||||||
STM.modifyTVar' openDocumentsTVar
|
( Map.adjust ( set ( field' @"present" ) newDocument ) unique )
|
||||||
( Map.adjust
|
coerce ( updateUIAction NoActiveDocChange uiElts vars )
|
||||||
( newFutureStep maxHistSize
|
HistoryDiff histDiff -> do
|
||||||
. set ( field' @"documentContent" . field' @"unsavedChanges" ) True
|
-- Content change.
|
||||||
. set ( field' @"documentContent" . field' @"latestChange" ) changeText
|
STM.modifyTVar' openDocumentsTVar
|
||||||
$ newDocument
|
( Map.adjust
|
||||||
)
|
( newFutureStep maxHistSize
|
||||||
unique
|
. set ( field' @"documentContent" . field' @"unsavedChanges" ) True
|
||||||
)
|
$ newDocument
|
||||||
uiUpdateAction <- updateUIAction uiElts vars
|
)
|
||||||
pure $ Ap do
|
unique
|
||||||
uiUpdateAction
|
)
|
||||||
for_ ( HashMap.lookup ( WinAction "undo" ) menuActions ) ( `GIO.setSimpleActionEnabled` True )
|
uiUpdateAction <- updateUIAction NoActiveDocChange uiElts vars
|
||||||
for_ ( HashMap.lookup ( WinAction "redo" ) menuActions ) ( `GIO.setSimpleActionEnabled` False )
|
pure $ Ap do
|
||||||
|
uiUpdateAction
|
||||||
|
for_ ( HashMap.lookup ( WinAction "undo" ) menuActions ) ( `GIO.setSimpleActionEnabled` True )
|
||||||
|
for_ ( HashMap.lookup ( WinAction "redo" ) menuActions ) ( `GIO.setSimpleActionEnabled` False )
|
||||||
pure
|
pure
|
||||||
do
|
do
|
||||||
forOf_ docFold modif \ mbNewDoc -> do
|
forOf_ docFold modif \ mbNewDoc -> do
|
||||||
case mbNewDoc of
|
case mbNewDoc of
|
||||||
CloseDocument -> removeFileTab uiElts vars ( documentUnique oldDoc )
|
CloseDocument -> removeFileTab uiElts vars unique
|
||||||
_ -> pure ()
|
_ -> pure ()
|
||||||
uiUpdateAction
|
uiUpdateAction
|
||||||
sequenceAOf_ actionFold modif
|
sequenceAOf_ actionFold modif
|
||||||
sequenceA_ mbAction
|
sequenceA_ mbAction
|
||||||
|
|
||||||
|
-- | A change in which document is currently active.
|
||||||
|
data ActiveDocChange
|
||||||
|
-- | Continue with the same document (or lack of document).
|
||||||
|
= NoActiveDocChange
|
||||||
|
-- | Change between documents, or open/close a document.
|
||||||
|
| ActiveDocChange
|
||||||
|
{ mbOldDocUnique :: Maybe Unique
|
||||||
|
}
|
||||||
|
|
||||||
updateUIAction :: UIElements -> Variables -> STM ( IO () )
|
updateUIAction :: ActiveDocChange -> UIElements -> Variables -> STM ( IO () )
|
||||||
updateUIAction uiElts@( UIElements { viewport = Viewport {..}, .. } ) vars@( Variables {..} ) = do
|
updateUIAction _docChange uiElts@( UIElements { viewport = Viewport {..}, .. } ) vars@( Variables {..} ) = do
|
||||||
mbDocHist <- activeDocument vars
|
mbDocHist <- activeDocument vars
|
||||||
let
|
let
|
||||||
mbDoc :: Maybe Document
|
mbDoc :: Maybe ( Unique, Document )
|
||||||
mbDoc = present <$> mbDocHist
|
mbDoc = second present <$> mbDocHist
|
||||||
mbTitleText :: Maybe ( Text, Bool )
|
mbTitleText :: Maybe ( Text, Bool )
|
||||||
mbTitleText = fmap ( displayName &&& unsavedChanges . documentContent ) mbDoc
|
mbTitleText = fmap ( ( documentName . documentMetadata &&& unsavedChanges . documentContent ) . snd ) mbDoc
|
||||||
mbActiveTabDoc <- fmap join $ for mbDoc \ doc -> do
|
mbActiveTabDoc <- fmap join $ for mbDoc \ ( docUnique, _doc ) -> do
|
||||||
mbActiveTab <- Map.lookup ( documentUnique doc ) <$> STM.readTVar fileBarTabsTVar
|
mbActiveTab <- Map.lookup docUnique <$> STM.readTVar fileBarTabsTVar
|
||||||
pure ( (,) <$> mbActiveTab <*> mbDoc )
|
pure ( (,) <$> mbActiveTab <*> mbDoc )
|
||||||
|
--strokeModels <- STM.readTVar strokeListModelsTVar
|
||||||
pure do
|
pure do
|
||||||
updateTitle window titleLabel mbTitleText
|
updateTitle window titleLabel mbTitleText
|
||||||
updateInfoBar viewportDrawingArea infoBar vars mbDoc
|
updateInfoBar viewportDrawingArea infoBar vars ( fmap ( documentMetadata . snd ) mbDoc )
|
||||||
for_ mbActiveTabDoc \ ( FileBarTab { fileBarTab, fileBarTabButton, fileBarTabCloseArea }, activeDoc ) -> do
|
--switchStrokeView (strokesListView $ panelsBar) strokeModels (fst <$> mbDoc)
|
||||||
GTK.buttonSetLabel fileBarTabButton ( displayName activeDoc )
|
for_ mbActiveTabDoc \ ( FileBarTab { fileBarTab, fileBarTabButton, fileBarTabCloseArea }, ( _, activeDoc ) ) -> do
|
||||||
|
GTK.buttonSetLabel fileBarTabButton ( documentName $ documentMetadata activeDoc )
|
||||||
GTK.widgetQueueDraw fileBarTab
|
GTK.widgetQueueDraw fileBarTab
|
||||||
GTK.widgetQueueDraw fileBarTabCloseArea
|
GTK.widgetQueueDraw fileBarTabCloseArea
|
||||||
updateHistoryState uiElts mbDocHist
|
updateHistoryState uiElts ( fmap snd mbDocHist )
|
||||||
STM.atomically ( STM.writeTVar recomputeStrokesTVar True )
|
STM.atomically ( STM.writeTVar recomputeStrokesTVar True )
|
||||||
|
|
||||||
updateTitle :: GTK.IsWindow window => window -> GTK.Label -> Maybe ( Text, Bool ) -> IO ()
|
updateTitle :: GTK.IsWindow window => window -> GTK.Label -> Maybe ( Text, Bool ) -> IO ()
|
|
@ -1,27 +1,27 @@
|
||||||
module MetaBrush.Document.Update
|
module MetaBrush.Application.UpdateDocument
|
||||||
( DocChange(..), DocumentUpdate(..)
|
( DocumentUpdate(..)
|
||||||
, PureDocModification(..), DocModification(..)
|
, PureDocModification(..), DocModification(..)
|
||||||
|
, ActiveDocChange(..)
|
||||||
)
|
)
|
||||||
where
|
where
|
||||||
|
|
||||||
-- text
|
|
||||||
import Data.Text
|
|
||||||
( Text )
|
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..) )
|
( Document(..) )
|
||||||
|
import MetaBrush.Document.Diff
|
||||||
|
( Diff )
|
||||||
|
import MetaBrush.Unique
|
||||||
|
( Unique )
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
data DocChange
|
|
||||||
= TrivialChange { newDocument :: !Document }
|
|
||||||
| HistoryChange { newDocument :: !Document, changeText :: !Text }
|
|
||||||
|
|
||||||
data DocumentUpdate
|
data DocumentUpdate
|
||||||
= CloseDocument
|
= CloseDocument
|
||||||
| SaveDocument !( Maybe FilePath )
|
| SaveDocument !( Maybe FilePath )
|
||||||
| UpdateDocumentTo !DocChange
|
| UpdateDocumentTo
|
||||||
|
{ newDocument :: !Document
|
||||||
|
, documentDiff :: !Diff
|
||||||
|
}
|
||||||
|
|
||||||
data PureDocModification
|
data PureDocModification
|
||||||
= Don'tModifyDoc
|
= Don'tModifyDoc
|
||||||
|
@ -34,3 +34,9 @@ data DocModification
|
||||||
{ modifDocument :: !DocumentUpdate
|
{ modifDocument :: !DocumentUpdate
|
||||||
, postModifAction :: IO ()
|
, postModifAction :: IO ()
|
||||||
}
|
}
|
||||||
|
|
||||||
|
data ActiveDocChange
|
||||||
|
= NoActiveDocChange
|
||||||
|
| ActiveDocChange
|
||||||
|
{ mbOldDocUnique :: Maybe Unique
|
||||||
|
}
|
File diff suppressed because it is too large
Load diff
|
@ -25,17 +25,19 @@ import qualified GI.Gtk as GTK
|
||||||
import qualified Control.Concurrent.STM.TVar as STM
|
import qualified Control.Concurrent.STM.TVar as STM
|
||||||
( readTVarIO )
|
( readTVarIO )
|
||||||
|
|
||||||
-- MetaBrush
|
-- brush-strokes
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..), T(..) )
|
( ℝ(..), T(..) )
|
||||||
import MetaBrush.Action
|
|
||||||
|
-- MetaBrush
|
||||||
|
import MetaBrush.Application.Action
|
||||||
( HandleAction(..)
|
( HandleAction(..)
|
||||||
, ActionOrigin(..)
|
, ActionOrigin(..)
|
||||||
, MouseMove(..), MouseClick(..), MouseClickType(..), MouseRelease(..)
|
, MouseMove(..), MouseClick(..), MouseClickType(..), MouseRelease(..)
|
||||||
, Scroll(..), KeyboardPress(..), KeyboardRelease(..)
|
, Scroll(..), KeyboardPress(..), KeyboardRelease(..)
|
||||||
, quitEverything
|
, quitEverything
|
||||||
)
|
)
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( UIElements(..), Variables(..) )
|
( UIElements(..), Variables(..) )
|
||||||
import MetaBrush.UI.Viewport
|
import MetaBrush.UI.Viewport
|
||||||
( Viewport(..), ViewportEventControllers(..), Ruler(..) )
|
( Viewport(..), ViewportEventControllers(..), Ruler(..) )
|
||||||
|
|
|
@ -21,6 +21,8 @@ import Data.Functor.Compose
|
||||||
( Compose(..) )
|
( Compose(..) )
|
||||||
import Data.Int
|
import Data.Int
|
||||||
( Int32 )
|
( Int32 )
|
||||||
|
import Data.Maybe
|
||||||
|
( fromMaybe )
|
||||||
import GHC.Generics
|
import GHC.Generics
|
||||||
( Generic, Generic1, Generically1(..) )
|
( Generic, Generic1, Generically1(..) )
|
||||||
|
|
||||||
|
@ -33,10 +35,12 @@ import Data.Act
|
||||||
)
|
)
|
||||||
|
|
||||||
-- containers
|
-- containers
|
||||||
|
import qualified Data.Map.Strict as Map
|
||||||
import Data.Sequence
|
import Data.Sequence
|
||||||
( Seq(..) )
|
( Seq(..) )
|
||||||
import Data.Set
|
import Data.Set
|
||||||
( Set )
|
( Set )
|
||||||
|
import qualified Data.Set as Set
|
||||||
|
|
||||||
-- deepseq
|
-- deepseq
|
||||||
import Control.DeepSeq
|
import Control.DeepSeq
|
||||||
|
@ -45,17 +49,14 @@ import Control.DeepSeq
|
||||||
-- gi-cairo-render
|
-- gi-cairo-render
|
||||||
import qualified GI.Cairo.Render as Cairo
|
import qualified GI.Cairo.Render as Cairo
|
||||||
|
|
||||||
-- lens
|
|
||||||
import Control.Lens
|
|
||||||
( view )
|
|
||||||
|
|
||||||
-- transformers
|
-- transformers
|
||||||
import Control.Monad.Trans.Class
|
import Control.Monad.Trans.Class
|
||||||
( lift )
|
( lift )
|
||||||
import Control.Monad.Trans.State.Strict
|
import Control.Monad.Trans.State.Strict
|
||||||
( StateT, evalStateT, get, put )
|
( StateT, evalStateT, get, put )
|
||||||
|
import Control.Monad.Trans.Writer.CPS as Writer
|
||||||
|
|
||||||
-- MetaBrush
|
-- brush-strokes
|
||||||
import Calligraphy.Brushes
|
import Calligraphy.Brushes
|
||||||
( Brush(..) )
|
( Brush(..) )
|
||||||
import Math.Algebra.Dual
|
import Math.Algebra.Dual
|
||||||
|
@ -67,14 +68,8 @@ import Math.Bezier.Cubic.Fit
|
||||||
import qualified Math.Bezier.Quadratic as Quadratic
|
import qualified Math.Bezier.Quadratic as Quadratic
|
||||||
( Bezier(..) )
|
( Bezier(..) )
|
||||||
import Math.Bezier.Spline
|
import Math.Bezier.Spline
|
||||||
( Spline(..), SplinePts, PointType(..)
|
|
||||||
, SplineType(..), SplineTypeI, KnownSplineType(bifoldSpline)
|
|
||||||
, Curve(..)
|
|
||||||
, fromNextPoint
|
|
||||||
, catMaybesSpline
|
|
||||||
)
|
|
||||||
import Math.Bezier.Stroke
|
import Math.Bezier.Stroke
|
||||||
( Cusp(..), CachedStroke(..), invalidateCache
|
( Cusp(..), invalidateCache
|
||||||
, computeStrokeOutline
|
, computeStrokeOutline
|
||||||
, RootSolvingAlgorithm
|
, RootSolvingAlgorithm
|
||||||
)
|
)
|
||||||
|
@ -86,42 +81,32 @@ import Math.Module
|
||||||
( Module((*^)), normalise )
|
( Module((*^)), normalise )
|
||||||
import Math.Root.Isolation
|
import Math.Root.Isolation
|
||||||
( RootIsolationOptions )
|
( RootIsolationOptions )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import MetaBrush.Action
|
||||||
|
( dragUpdate )
|
||||||
import MetaBrush.Asset.Colours
|
import MetaBrush.Asset.Colours
|
||||||
( Colours, ColourRecord(..) )
|
( Colours, ColourRecord(..) )
|
||||||
import MetaBrush.Brush
|
import MetaBrush.Brush
|
||||||
( NamedBrush(..), WithParams(..) )
|
( NamedBrush(..), WithParams(..) )
|
||||||
import qualified MetaBrush.Brush.Widget as Brush
|
import qualified MetaBrush.Brush.Widget as Brush
|
||||||
( Widget(..), WidgetElements(..), widgetElements )
|
( Widget(..), WidgetElements(..), widgetElements )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( Modifier(..)
|
( Modifier(..)
|
||||||
, HoldAction(..), PartialPath(..)
|
, HoldAction(..), PartialPath(..)
|
||||||
)
|
)
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..), DocumentContent(..)
|
|
||||||
, mkAABB
|
|
||||||
, Stroke(..), visibleStrokes
|
|
||||||
, StrokeSpline
|
|
||||||
, FocusState(..)
|
|
||||||
, HoverContext(..), Hoverable(..)
|
|
||||||
, PointData(..)
|
|
||||||
, _selection
|
|
||||||
, coords
|
|
||||||
)
|
|
||||||
import MetaBrush.Document.Draw
|
|
||||||
( withAnchorBrushData )
|
|
||||||
import MetaBrush.Document.Selection
|
|
||||||
( dragUpdate )
|
|
||||||
import MetaBrush.Document.Serialise
|
import MetaBrush.Document.Serialise
|
||||||
( ) -- 'Serialisable' instances
|
( ) -- 'Serialisable' instances
|
||||||
import MetaBrush.Document.Update
|
import MetaBrush.Draw
|
||||||
( DocChange(..) )
|
import MetaBrush.Hover
|
||||||
|
( mkAABB, HoverContext(..), Hoverable(..) )
|
||||||
import MetaBrush.Records
|
import MetaBrush.Records
|
||||||
|
import MetaBrush.Stroke
|
||||||
import MetaBrush.UI.ToolBar
|
import MetaBrush.UI.ToolBar
|
||||||
( Mode(..) )
|
( Mode(..) )
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
( unsafeUnique )
|
( Unique )
|
||||||
import MetaBrush.Util
|
|
||||||
( traverseMaybe )
|
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( withRGBA )
|
( withRGBA )
|
||||||
|
|
||||||
|
@ -168,12 +153,19 @@ getDocumentRender
|
||||||
rootAlgo mbCuspOptions fitParams
|
rootAlgo mbCuspOptions fitParams
|
||||||
mode debug
|
mode debug
|
||||||
modifiers mbMousePos mbHoldEvent mbPartialPath
|
modifiers mbMousePos mbHoldEvent mbPartialPath
|
||||||
doc@( Document { viewportCenter = ℝ2 cx cy, zoomFactor, documentContent = content } )
|
doc@( Document
|
||||||
|
{ documentMetadata =
|
||||||
|
Metadata
|
||||||
|
{ viewportCenter = ℝ2 cx cy
|
||||||
|
, documentZoom = zoom@( Zoom { zoomFactor } )
|
||||||
|
, selectedPoints = selPts
|
||||||
|
}
|
||||||
|
} )
|
||||||
= do
|
= do
|
||||||
|
|
||||||
let
|
let
|
||||||
-- Get any modifications from in-flight user actions (e.g. in the middle of dragging something).
|
-- Get any modifications from in-flight user actions (e.g. in the middle of dragging something).
|
||||||
modifiedStrokes :: Seq Stroke
|
modifiedStrokes :: [ ( Maybe Unique, Stroke ) ]
|
||||||
modifiedStrokes = case mode of
|
modifiedStrokes = case mode of
|
||||||
PathMode
|
PathMode
|
||||||
| Just ( DragMoveHold { holdStartPos = p0, dragAction } ) <- mbHoldEvent
|
| Just ( DragMoveHold { holdStartPos = p0, dragAction } ) <- mbHoldEvent
|
||||||
|
@ -182,13 +174,14 @@ getDocumentRender
|
||||||
, let
|
, let
|
||||||
alternateMode :: Bool
|
alternateMode :: Bool
|
||||||
alternateMode = any ( \case { Alt _ -> True; _ -> False } ) modifiers
|
alternateMode = any ( \case { Alt _ -> True; _ -> False } ) modifiers
|
||||||
afterDrag :: Maybe DocChange
|
afterDrag :: Maybe ( Document, StrokePoints )
|
||||||
afterDrag = dragUpdate p0 p1 dragAction alternateMode doc
|
afterDrag = dragUpdate p0 p1 dragAction alternateMode doc
|
||||||
-> case afterDrag of
|
-> case afterDrag of
|
||||||
Just docUpdate -> foldMap visibleStrokes . strokes . documentContent $ newDocument docUpdate
|
Just ( docUpdate, _ ) -> getVisibleStrokes docUpdate
|
||||||
_ -> foldMap visibleStrokes . strokes $ content
|
Nothing -> getVisibleStrokes doc
|
||||||
| Just ( PartialPath p0 cp0 anchor firstPoint ) <- mbPartialPath
|
| Just ( PartialPath anchor cp0 firstPoint ) <- mbPartialPath
|
||||||
, let
|
, let
|
||||||
|
p0 = anchorPos anchor
|
||||||
mbFinalPoint :: Maybe ( ℝ 2 )
|
mbFinalPoint :: Maybe ( ℝ 2 )
|
||||||
mbControlPoint :: Maybe ( ℝ 2 )
|
mbControlPoint :: Maybe ( ℝ 2 )
|
||||||
( mbFinalPoint, mbControlPoint )
|
( mbFinalPoint, mbControlPoint )
|
||||||
|
@ -203,34 +196,34 @@ getDocumentRender
|
||||||
previewStroke :: Stroke
|
previewStroke :: Stroke
|
||||||
previewStroke = withAnchorBrushData anchor doc \ mbBrush ( pointData :: Record pointFields ) ->
|
previewStroke = withAnchorBrushData anchor doc \ mbBrush ( pointData :: Record pointFields ) ->
|
||||||
let
|
let
|
||||||
previewSpline :: Spline Open ( CachedStroke RealWorld ) ( PointData ( Record pointFields ) )
|
previewSpline :: Spline Open CurveData ( PointData ( Record pointFields ) )
|
||||||
previewSpline = catMaybesSpline ( invalidateCache undefined )
|
previewSpline = catMaybesSpline ( CurveData 987654321 ( invalidateCache undefined ) )
|
||||||
( PointData p0 Normal pointData )
|
( PointData p0 pointData )
|
||||||
( do
|
( do
|
||||||
cp <- cp0
|
cp <- cp0
|
||||||
guard ( cp /= p0 )
|
guard ( cp /= p0 )
|
||||||
pure ( PointData cp Normal pointData )
|
pure ( PointData cp pointData )
|
||||||
)
|
)
|
||||||
( do
|
( do
|
||||||
cp <- mbControlPoint
|
cp <- mbControlPoint
|
||||||
guard ( cp /= finalPoint )
|
guard ( cp /= finalPoint )
|
||||||
pure ( PointData cp Normal pointData )
|
pure ( PointData cp pointData )
|
||||||
)
|
)
|
||||||
( PointData finalPoint Normal pointData )
|
( PointData finalPoint pointData )
|
||||||
in
|
in
|
||||||
Stroke
|
Stroke
|
||||||
{ strokeSpline = previewSpline
|
{ strokeSpline = previewSpline
|
||||||
, strokeVisible = True
|
, strokeBrush = mbBrush
|
||||||
, strokeUnique = unsafeUnique 987654321
|
|
||||||
, strokeName = "Preview stroke (temporary)"
|
|
||||||
, strokeBrush = mbBrush
|
|
||||||
}
|
}
|
||||||
-> previewStroke :<| foldMap visibleStrokes ( strokes content )
|
-> ( Nothing, previewStroke ) : getVisibleStrokes doc
|
||||||
_ -> foldMap visibleStrokes ( strokes content )
|
_ -> getVisibleStrokes doc
|
||||||
|
|
||||||
strokesRenderData <-
|
strokesRenderData <-
|
||||||
traverseMaybe
|
traverse
|
||||||
( sequenceA . strokeRenderData rootAlgo mbCuspOptions fitParams )
|
( \ ( mbUnique, stroke ) ->
|
||||||
|
( mbUnique, ) <$>
|
||||||
|
strokeRenderData rootAlgo mbCuspOptions fitParams stroke
|
||||||
|
)
|
||||||
modifiedStrokes
|
modifiedStrokes
|
||||||
|
|
||||||
let
|
let
|
||||||
|
@ -248,14 +241,28 @@ getDocumentRender
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate ( 0.5 + 0.5 * fromIntegral viewportWidth ) ( 0.5 + 0.5 * fromIntegral viewportHeight )
|
Cairo.translate ( 0.5 + 0.5 * fromIntegral viewportWidth ) ( 0.5 + 0.5 * fromIntegral viewportHeight )
|
||||||
Cairo.scale zoomFactor zoomFactor
|
Cairo.scale zoomFactor zoomFactor
|
||||||
Cairo.translate ( -cx ) ( -cy )
|
Cairo.translate -cx -cy
|
||||||
for_ strokesRenderData
|
for_ strokesRenderData
|
||||||
( compositeRenders . getCompose . renderStroke cols mbHoverContext mode RenderingPath debug zoomFactor )
|
( compositeRenders . getCompose . renderStroke cols selPts mbHoverContext mode RenderingPath debug zoom )
|
||||||
renderSelectionRect
|
renderSelectionRect
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
|
||||||
strokesRenderData `deepseq` pure drawingInstructions
|
strokesRenderData `deepseq` pure drawingInstructions
|
||||||
|
|
||||||
|
getVisibleStrokes :: Document -> [ ( Maybe Unique, Stroke ) ]
|
||||||
|
getVisibleStrokes ( Document { documentMetadata, documentContent } ) =
|
||||||
|
let res =
|
||||||
|
Writer.execWriter $
|
||||||
|
forStrokeHierarchy
|
||||||
|
( layerMetadata documentMetadata )
|
||||||
|
( strokeHierarchy documentContent )
|
||||||
|
( \ uniq stroke ( StrokeMetadata { strokeVisible } ) -> do
|
||||||
|
when strokeVisible $
|
||||||
|
Writer.tell [ ( Just uniq, stroke ) ]
|
||||||
|
return PreserveStroke
|
||||||
|
)
|
||||||
|
in if null res then error ( show $ strokeHierarchy documentContent ) else res
|
||||||
|
|
||||||
-- | Utility type to gather information needed to render a stroke.
|
-- | Utility type to gather information needed to render a stroke.
|
||||||
-- - No outline: just the underlying spline.
|
-- - No outline: just the underlying spline.
|
||||||
-- - Outline: keep track of the function which returns brush shape.
|
-- - Outline: keep track of the function which returns brush shape.
|
||||||
|
@ -299,15 +306,13 @@ strokeRenderData
|
||||||
-> Maybe ( RootIsolationOptions 2 3 )
|
-> Maybe ( RootIsolationOptions 2 3 )
|
||||||
-> FitParameters
|
-> FitParameters
|
||||||
-> Stroke
|
-> Stroke
|
||||||
-> Maybe ( ST RealWorld StrokeRenderData )
|
-> ST RealWorld StrokeRenderData
|
||||||
strokeRenderData rootAlgo mbCuspOptions fitParams
|
strokeRenderData rootAlgo mbCuspOptions fitParams
|
||||||
( Stroke
|
( Stroke
|
||||||
{ strokeSpline = spline :: StrokeSpline clo ( Record pointFields )
|
{ strokeSpline = spline :: StrokeSpline clo ( Record pointFields )
|
||||||
, strokeBrush = ( strokeBrush :: Maybe ( NamedBrush brushFields ) )
|
, strokeBrush = ( strokeBrush :: Maybe ( NamedBrush brushFields ) )
|
||||||
, ..
|
|
||||||
}
|
}
|
||||||
) | strokeVisible
|
) = case strokeBrush of
|
||||||
= Just $ case strokeBrush of
|
|
||||||
Just ( NamedBrush { brushFunction = fn, brushWidget = widget } )
|
Just ( NamedBrush { brushFunction = fn, brushWidget = widget } )
|
||||||
| WithParams
|
| WithParams
|
||||||
{ defaultParams = brush_defaults
|
{ defaultParams = brush_defaults
|
||||||
|
@ -350,109 +355,117 @@ strokeRenderData rootAlgo mbCuspOptions fitParams
|
||||||
( widget, \ params -> embedUsedParams $ toUsedParams params )
|
( widget, \ params -> embedUsedParams $ toUsedParams params )
|
||||||
}
|
}
|
||||||
_ -> pure $
|
_ -> pure $
|
||||||
StrokeRenderData
|
StrokeRenderData
|
||||||
{ strokeDataSpline = spline }
|
{ strokeDataSpline = spline }
|
||||||
| otherwise
|
|
||||||
= Nothing
|
|
||||||
|
|
||||||
renderStroke
|
renderStroke
|
||||||
:: Colours -> Maybe HoverContext -> Mode -> RenderMode -> Bool -> Double
|
:: Colours
|
||||||
-> StrokeRenderData
|
-> StrokePoints -> Maybe HoverContext
|
||||||
|
-> Mode
|
||||||
|
-> RenderMode -> Bool -> Zoom
|
||||||
|
-> ( Maybe Unique, StrokeRenderData )
|
||||||
-> Compose Renders Cairo.Render ()
|
-> Compose Renders Cairo.Render ()
|
||||||
renderStroke cols@( Colours { brush } ) mbHoverContext mode rdrMode debug zoom = \case
|
renderStroke cols@( Colours { brush } ) selPts mbHoverContext mode rdrMode debug zoom ( mbUnique, strokeData ) =
|
||||||
StrokeRenderData { strokeDataSpline } ->
|
case strokeData of
|
||||||
renderStrokeSpline cols mode rdrMode mbHoverContext zoom ( const ( pure () ) ) strokeDataSpline
|
StrokeRenderData { strokeDataSpline } ->
|
||||||
StrokeWithOutlineRenderData
|
renderStrokeSpline cols mode rdrMode strokeSelPts mbHoverContext zoom ( const ( pure () ) ) strokeDataSpline
|
||||||
{ strokeDataSpline
|
StrokeWithOutlineRenderData
|
||||||
, strokeOutlineData = ( strokeOutlineData, fitPts, cusps )
|
{ strokeDataSpline
|
||||||
, strokeBrushFunction
|
, strokeOutlineData = ( strokeOutlineData, fitPts, cusps )
|
||||||
, strokeWidgetData = ( widget, widgetParams )
|
, strokeBrushFunction
|
||||||
} ->
|
, strokeWidgetData = ( widget, widgetParams )
|
||||||
renderStrokeSpline cols mode rdrMode mbHoverContext zoom
|
} ->
|
||||||
( when ( mode == BrushMode )
|
renderStrokeSpline cols mode rdrMode strokeSelPts mbHoverContext zoom
|
||||||
. ( \ pt ->
|
( when ( mode == BrushMode )
|
||||||
renderBrushShape ( cols { path = brush } ) mbHoverContext ( 2 * zoom )
|
. ( \ pt ->
|
||||||
strokeBrushFunction ( Brush.widgetElements widget ( widgetParams $ brushParams pt ) )
|
renderBrushShape ( cols { path = brush } ) mbHoverContext ( Zoom $ 2 * zoomFactor zoom )
|
||||||
pt
|
strokeBrushFunction ( Brush.widgetElements widget ( widgetParams $ brushParams pt ) )
|
||||||
|
pt
|
||||||
|
)
|
||||||
)
|
)
|
||||||
)
|
strokeDataSpline
|
||||||
strokeDataSpline
|
*> Compose blank
|
||||||
*> Compose blank
|
{ renderStrokes = drawOutline cols debug zoom strokeOutlineData
|
||||||
{ renderStrokes = drawOutline cols debug zoom strokeOutlineData
|
, renderDebug =
|
||||||
, renderDebug =
|
when debug $ drawDebugInfo cols zoom ( fitPts, cusps )
|
||||||
when debug $ drawDebugInfo cols zoom ( fitPts, cusps )
|
}
|
||||||
}
|
where
|
||||||
|
strokeSelPts =
|
||||||
|
case mbUnique of
|
||||||
|
Nothing -> Set.empty
|
||||||
|
Just u -> fromMaybe Set.empty $ Map.lookup u ( strokePoints selPts )
|
||||||
|
|
||||||
-- | Render a sequence of stroke points.
|
-- | Render a sequence of stroke points.
|
||||||
--
|
--
|
||||||
-- Accepts a sub-function for additional rendering of each stroke point
|
-- Accepts a sub-function for additional rendering of each stroke point
|
||||||
-- (e.g. overlay a brush shape over each stroke point).
|
-- (e.g. overlay a brush shape over each stroke point).
|
||||||
renderStrokeSpline
|
renderStrokeSpline
|
||||||
:: forall clo crvData pointData
|
:: forall clo pointData
|
||||||
. ( Show pointData, KnownSplineType clo )
|
. ( Show pointData, KnownSplineType clo )
|
||||||
=> Colours -> Mode -> RenderMode -> Maybe HoverContext -> Double
|
=> Colours -> Mode -> RenderMode
|
||||||
|
-> Set PointIndex -> Maybe HoverContext -> Zoom
|
||||||
-> ( PointData pointData -> Compose Renders Cairo.Render () )
|
-> ( PointData pointData -> Compose Renders Cairo.Render () )
|
||||||
-> Spline clo crvData ( PointData pointData )
|
-> Spline clo CurveData ( PointData pointData )
|
||||||
-> Compose Renders Cairo.Render ()
|
-> Compose Renders Cairo.Render ()
|
||||||
renderStrokeSpline cols mode rdrMode mbHover zoom renderSubcontent spline =
|
renderStrokeSpline cols mode rdrMode selPts mbHover zoom renderSubcontent spline =
|
||||||
bifoldSpline ( renderSplineCurve ( splineStart spline ) ) renderSplinePoint spline
|
bifoldSpline ( renderSplineCurve ( splineStart spline ) ) ( renderSplinePoint FirstPoint ) spline
|
||||||
|
|
||||||
where
|
where
|
||||||
renderSplinePoint :: PointData pointData -> Compose Renders Cairo.Render ()
|
renderSplinePoint :: PointIndex -> PointData pointData -> Compose Renders Cairo.Render ()
|
||||||
renderSplinePoint sp0
|
renderSplinePoint i sp0
|
||||||
= Compose blank
|
= Compose blank
|
||||||
{ renderPPts =
|
{ renderPPts =
|
||||||
when ( rdrMode == RenderingPath ) do
|
when ( rdrMode == RenderingPath ) do
|
||||||
drawPoint cols mbHover zoom PathPoint sp0
|
drawPoint cols selPts mbHover zoom i sp0
|
||||||
}
|
}
|
||||||
*> renderSubcontent sp0
|
*> renderSubcontent sp0
|
||||||
renderSplineCurve
|
renderSplineCurve
|
||||||
:: forall clo'
|
:: forall clo'
|
||||||
. SplineTypeI clo'
|
. SplineTypeI clo'
|
||||||
=> PointData pointData -> PointData pointData -> Curve clo' crvData ( PointData pointData ) -> Compose Renders Cairo.Render ()
|
=> PointData pointData -> PointData pointData -> Curve clo' CurveData ( PointData pointData ) -> Compose Renders Cairo.Render ()
|
||||||
renderSplineCurve start p0 ( LineTo np1 _ )
|
renderSplineCurve start p0 ( LineTo np1 ( CurveData { curveIndex } ) )
|
||||||
= Compose blank
|
= Compose blank
|
||||||
{ renderPPts = when ( rdrMode == RenderingPath ) do
|
{ renderPPts = when ( rdrMode == RenderingPath ) do
|
||||||
for_ np1 \ p1 ->
|
for_ np1 \ p1 ->
|
||||||
drawPoint cols mbHover zoom PathPoint p1
|
drawPoint cols selPts mbHover zoom ( PointIndex curveIndex PathPoint ) p1
|
||||||
, renderPath =
|
, renderPath =
|
||||||
unless ( mode == MetaMode ) $
|
unless ( mode == MetaMode ) $
|
||||||
drawLine cols zoom PathPoint p0 ( fromNextPoint start np1 )
|
drawLine cols zoom PathPoint p0 ( fromNextPoint start np1 )
|
||||||
}
|
}
|
||||||
*> for_ np1 \ p1 -> renderSubcontent p1
|
*> for_ np1 \ p1 -> renderSubcontent p1
|
||||||
renderSplineCurve start p0 ( Bezier2To p1 np2 _ )
|
renderSplineCurve start p0 ( Bezier2To p1 np2 ( CurveData { curveIndex } ) )
|
||||||
= Compose blank
|
= Compose blank
|
||||||
{ renderCLines
|
{ renderCLines
|
||||||
= when ( rdrMode == RenderingPath ) do
|
= when ( rdrMode == RenderingPath ) do
|
||||||
drawLine cols zoom ControlPoint p0 p1
|
drawLine cols zoom ( ControlPoint Bez2Cp ) p0 p1
|
||||||
drawLine cols zoom ControlPoint p1 ( fromNextPoint start np2 )
|
drawLine cols zoom ( ControlPoint Bez2Cp ) p1 ( fromNextPoint start np2 )
|
||||||
, renderCPts
|
, renderCPts
|
||||||
= when ( rdrMode == RenderingPath ) do
|
= when ( rdrMode == RenderingPath ) do
|
||||||
drawPoint cols mbHover zoom ControlPoint p1
|
drawPoint cols selPts mbHover zoom ( PointIndex curveIndex $ ControlPoint Bez2Cp ) p1
|
||||||
, renderPPts
|
, renderPPts
|
||||||
= when ( rdrMode == RenderingPath ) do
|
= when ( rdrMode == RenderingPath ) do
|
||||||
for_ np2 \ p2 ->
|
for_ np2 \ p2 ->
|
||||||
drawPoint cols mbHover zoom PathPoint p2
|
drawPoint cols selPts mbHover zoom ( PointIndex curveIndex PathPoint ) p2
|
||||||
, renderPath
|
, renderPath
|
||||||
= unless ( mode == MetaMode ) do
|
= unless ( mode == MetaMode ) do
|
||||||
drawQuadraticBezier cols zoom ( coords <$> Quadratic.Bezier { p0, p1, p2 = fromNextPoint start np2 } )
|
drawQuadraticBezier cols zoom ( coords <$> Quadratic.Bezier { p0, p1, p2 = fromNextPoint start np2 } )
|
||||||
}
|
}
|
||||||
*> renderSubcontent p1
|
*> renderSubcontent p1
|
||||||
*> for_ np2 \ p2 -> renderSubcontent p2
|
*> for_ np2 \ p2 -> renderSubcontent p2
|
||||||
renderSplineCurve start p0 ( Bezier3To p1 p2 np3 _ )
|
renderSplineCurve start p0 ( Bezier3To p1 p2 np3 ( CurveData { curveIndex } ) )
|
||||||
= Compose blank
|
= Compose blank
|
||||||
{ renderCLines
|
{ renderCLines
|
||||||
= when ( rdrMode == RenderingPath ) do
|
= when ( rdrMode == RenderingPath ) do
|
||||||
drawLine cols zoom ControlPoint p0 p1
|
drawLine cols zoom ( ControlPoint Bez3Cp1 ) p0 p1
|
||||||
drawLine cols zoom ControlPoint p2 ( fromNextPoint start np3 )
|
drawLine cols zoom ( ControlPoint Bez3Cp2 ) p2 ( fromNextPoint start np3 )
|
||||||
, renderCPts
|
, renderCPts
|
||||||
= when ( rdrMode == RenderingPath ) do
|
= when ( rdrMode == RenderingPath ) do
|
||||||
drawPoint cols mbHover zoom ControlPoint p1
|
drawPoint cols selPts mbHover zoom ( PointIndex curveIndex $ ControlPoint Bez3Cp1 ) p1
|
||||||
drawPoint cols mbHover zoom ControlPoint p2
|
drawPoint cols selPts mbHover zoom ( PointIndex curveIndex $ ControlPoint Bez3Cp2 ) p2
|
||||||
, renderPPts
|
, renderPPts
|
||||||
= when ( rdrMode == RenderingPath ) do
|
= when ( rdrMode == RenderingPath ) do
|
||||||
for_ np3 \ p3 ->
|
for_ np3 \ p3 ->
|
||||||
drawPoint cols mbHover zoom PathPoint p3
|
drawPoint cols selPts mbHover zoom ( PointIndex curveIndex $ PathPoint ) p3
|
||||||
, renderPath
|
, renderPath
|
||||||
= unless ( mode == MetaMode ) do
|
= unless ( mode == MetaMode ) do
|
||||||
drawCubicBezier cols zoom ( coords <$> Cubic.Bezier { p0, p1, p2, p3 = fromNextPoint start np3 } )
|
drawCubicBezier cols zoom ( coords <$> Cubic.Bezier { p0, p1, p2, p3 = fromNextPoint start np3 } )
|
||||||
|
@ -462,7 +475,7 @@ renderStrokeSpline cols mode rdrMode mbHover zoom renderSubcontent spline =
|
||||||
*> for_ np3 \ p3 -> renderSubcontent p3
|
*> for_ np3 \ p3 -> renderSubcontent p3
|
||||||
|
|
||||||
renderBrushShape
|
renderBrushShape
|
||||||
:: Colours -> Maybe HoverContext -> Double
|
:: Colours -> Maybe HoverContext -> Zoom
|
||||||
-> ( pointParams -> SplinePts Closed )
|
-> ( pointParams -> SplinePts Closed )
|
||||||
-> Brush.WidgetElements
|
-> Brush.WidgetElements
|
||||||
-> PointData pointParams
|
-> PointData pointParams
|
||||||
|
@ -479,25 +492,36 @@ renderBrushShape cols mbHoverContext zoom brushFn brushWidgetElts pt =
|
||||||
toAll do
|
toAll do
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate x y
|
Cairo.translate x y
|
||||||
*> renderStrokeSpline cols BrushMode RenderingBrush mbHoverContext' zoom ( const $ pure () )
|
*> renderStrokeSpline cols BrushMode RenderingBrush Set.empty mbHoverContext' zoom ( const $ pure () )
|
||||||
( fmap ( \ p -> PointData p Normal () ) brushPts )
|
( noCurveData brushPts )
|
||||||
*> renderBrushWidgetElements cols zoom mbHoverContext' brushWidgetElts
|
*> renderBrushWidgetElements cols zoom mbHoverContext' brushWidgetElts
|
||||||
*> toAll Cairo.restore
|
*> toAll Cairo.restore
|
||||||
|
where
|
||||||
|
noCurveData :: Spline Closed () ( ℝ 2 ) -> Spline Closed CurveData ( PointData () )
|
||||||
|
noCurveData =
|
||||||
|
bimapSpline
|
||||||
|
( \ _ -> bimapCurve ( \ _ -> CurveData 987654321 ( invalidateCache undefined ) ) ( \ _ p -> PointData p () ) )
|
||||||
|
( \ p -> PointData p () )
|
||||||
|
|
||||||
drawPoint :: Colours -> Maybe HoverContext -> Double -> PointType -> PointData brushData -> Cairo.Render ()
|
drawPoint :: Colours -> Set PointIndex -> Maybe HoverContext -> Zoom -> PointIndex -> PointData brushData -> Cairo.Render ()
|
||||||
drawPoint ( Colours {..} ) mbHover zoom PathPoint pt
|
drawPoint ( Colours {..} ) selPts mbHover zoom@( Zoom { zoomFactor } ) i pt
|
||||||
|
| i == FirstPoint || pointType i == PathPoint
|
||||||
= do
|
= do
|
||||||
let
|
let
|
||||||
x, y :: Double
|
x, y :: Double
|
||||||
ℝ2 x y = coords pt
|
ℝ2 x y = coords pt
|
||||||
hsqrt3 :: Double
|
hsqrt3 :: Double
|
||||||
hsqrt3 = sqrt 0.75
|
hsqrt3 = sqrt 0.75
|
||||||
selectionState :: FocusState
|
isSelected = i `Set.member` selPts
|
||||||
selectionState = view _selection pt <> hovered mbHover zoom ( ℝ2 x y )
|
hover
|
||||||
|
| Just hov <- mbHover
|
||||||
|
= hovered hov zoom ( ℝ2 x y )
|
||||||
|
| otherwise
|
||||||
|
= False
|
||||||
|
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate x y
|
Cairo.translate x y
|
||||||
Cairo.scale ( 3 / zoom ) ( 3 / zoom )
|
Cairo.scale ( 3 / zoomFactor ) ( 3 / zoomFactor )
|
||||||
|
|
||||||
Cairo.moveTo 1 0
|
Cairo.moveTo 1 0
|
||||||
Cairo.lineTo 0.5 hsqrt3
|
Cairo.lineTo 0.5 hsqrt3
|
||||||
|
@ -508,43 +532,50 @@ drawPoint ( Colours {..} ) mbHover zoom PathPoint pt
|
||||||
Cairo.closePath
|
Cairo.closePath
|
||||||
|
|
||||||
Cairo.setLineWidth 1.0
|
Cairo.setLineWidth 1.0
|
||||||
case selectionState of
|
if isSelected
|
||||||
Selected -> withRGBA pathPoint Cairo.setSourceRGBA
|
then withRGBA pathPoint Cairo.setSourceRGBA
|
||||||
_ -> withRGBA pathPointOutline Cairo.setSourceRGBA
|
else withRGBA pathPointOutline Cairo.setSourceRGBA
|
||||||
Cairo.strokePreserve
|
Cairo.strokePreserve
|
||||||
|
|
||||||
case selectionState of
|
if | isSelected
|
||||||
Normal -> withRGBA pathPoint Cairo.setSourceRGBA
|
-> withRGBA pointSelected Cairo.setSourceRGBA
|
||||||
Hover -> withRGBA pointHover Cairo.setSourceRGBA
|
| hover
|
||||||
Selected -> withRGBA pointSelected Cairo.setSourceRGBA
|
-> withRGBA pointHover Cairo.setSourceRGBA
|
||||||
|
| otherwise
|
||||||
|
-> withRGBA pathPoint Cairo.setSourceRGBA
|
||||||
Cairo.fill
|
Cairo.fill
|
||||||
|
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
| otherwise
|
||||||
drawPoint ( Colours {..} ) mbHover zoom ControlPoint pt
|
|
||||||
= do
|
= do
|
||||||
let
|
let
|
||||||
x, y :: Double
|
x, y :: Double
|
||||||
ℝ2 x y = coords pt
|
ℝ2 x y = coords pt
|
||||||
selectionState :: FocusState
|
isSelected = i `Set.member` selPts
|
||||||
selectionState = view _selection pt <> hovered mbHover zoom ( ℝ2 x y )
|
hover
|
||||||
|
| Just hov <- mbHover
|
||||||
|
= hovered hov zoom ( ℝ2 x y )
|
||||||
|
| otherwise
|
||||||
|
= False
|
||||||
|
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate x y
|
Cairo.translate x y
|
||||||
Cairo.scale ( 3 / zoom ) ( 3 / zoom )
|
Cairo.scale ( 3 / zoomFactor ) ( 3 / zoomFactor )
|
||||||
|
|
||||||
Cairo.arc 0 0 1 0 ( 2 * pi )
|
Cairo.arc 0 0 1 0 ( 2 * pi )
|
||||||
|
|
||||||
Cairo.setLineWidth 1.0
|
Cairo.setLineWidth 1.0
|
||||||
case selectionState of
|
if isSelected
|
||||||
Selected -> withRGBA controlPoint Cairo.setSourceRGBA
|
then withRGBA controlPoint Cairo.setSourceRGBA
|
||||||
_ -> withRGBA controlPointOutline Cairo.setSourceRGBA
|
else withRGBA controlPointOutline Cairo.setSourceRGBA
|
||||||
Cairo.strokePreserve
|
Cairo.strokePreserve
|
||||||
|
|
||||||
case selectionState of
|
if | isSelected
|
||||||
Normal -> withRGBA controlPoint Cairo.setSourceRGBA
|
-> withRGBA pointSelected Cairo.setSourceRGBA
|
||||||
Hover -> withRGBA pointHover Cairo.setSourceRGBA
|
| hover
|
||||||
Selected -> withRGBA pointSelected Cairo.setSourceRGBA
|
-> withRGBA pointHover Cairo.setSourceRGBA
|
||||||
|
| otherwise
|
||||||
|
-> withRGBA controlPoint Cairo.setSourceRGBA
|
||||||
Cairo.fill
|
Cairo.fill
|
||||||
|
|
||||||
withRGBA controlPoint Cairo.setSourceRGBA
|
withRGBA controlPoint Cairo.setSourceRGBA
|
||||||
|
@ -552,8 +583,8 @@ drawPoint ( Colours {..} ) mbHover zoom ControlPoint pt
|
||||||
|
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
|
||||||
drawLine :: Colours -> Double -> PointType -> PointData b -> PointData b -> Cairo.Render ()
|
drawLine :: Colours -> Zoom -> PointType -> PointData b -> PointData b -> Cairo.Render ()
|
||||||
drawLine ( Colours { path, controlPointLine } ) zoom pointType p1 p2 = do
|
drawLine ( Colours { path, controlPointLine } ) ( Zoom zoom ) pointType p1 p2 = do
|
||||||
let
|
let
|
||||||
x1, y1, x2, y2 :: Double
|
x1, y1, x2, y2 :: Double
|
||||||
ℝ2 x1 y1 = coords p1
|
ℝ2 x1 y1 = coords p1
|
||||||
|
@ -567,20 +598,20 @@ drawLine ( Colours { path, controlPointLine } ) zoom pointType p1 p2 = do
|
||||||
PathPoint -> do
|
PathPoint -> do
|
||||||
Cairo.setLineWidth ( 5 / zoom )
|
Cairo.setLineWidth ( 5 / zoom )
|
||||||
withRGBA path Cairo.setSourceRGBA
|
withRGBA path Cairo.setSourceRGBA
|
||||||
ControlPoint -> do
|
ControlPoint {} -> do
|
||||||
Cairo.setLineWidth ( 3 / zoom )
|
Cairo.setLineWidth ( 3 / zoom )
|
||||||
withRGBA controlPointLine Cairo.setSourceRGBA
|
withRGBA controlPointLine Cairo.setSourceRGBA
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
|
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
|
||||||
drawQuadraticBezier :: Colours -> Double -> Quadratic.Bezier ( ℝ 2 ) -> Cairo.Render ()
|
drawQuadraticBezier :: Colours -> Zoom -> Quadratic.Bezier ( ℝ 2 ) -> Cairo.Render ()
|
||||||
drawQuadraticBezier cols zoom bez =
|
drawQuadraticBezier cols zoom bez =
|
||||||
drawCubicBezier cols zoom
|
drawCubicBezier cols zoom
|
||||||
( Cubic.fromQuadratic @( T ( ℝ 2 ) ) bez )
|
( Cubic.fromQuadratic @( T ( ℝ 2 ) ) bez )
|
||||||
|
|
||||||
drawCubicBezier :: Colours -> Double -> Cubic.Bezier ( ℝ 2 ) -> Cairo.Render ()
|
drawCubicBezier :: Colours -> Zoom -> Cubic.Bezier ( ℝ 2 ) -> Cairo.Render ()
|
||||||
drawCubicBezier ( Colours { path } ) zoom
|
drawCubicBezier ( Colours { path } ) ( Zoom { zoomFactor } )
|
||||||
( Cubic.Bezier
|
( Cubic.Bezier
|
||||||
{ p0 = ℝ2 x0 y0
|
{ p0 = ℝ2 x0 y0
|
||||||
, p1 = ℝ2 x1 y1
|
, p1 = ℝ2 x1 y1
|
||||||
|
@ -595,17 +626,17 @@ drawCubicBezier ( Colours { path } ) zoom
|
||||||
Cairo.moveTo x0 y0
|
Cairo.moveTo x0 y0
|
||||||
Cairo.curveTo x1 y1 x2 y2 x3 y3
|
Cairo.curveTo x1 y1 x2 y2 x3 y3
|
||||||
|
|
||||||
Cairo.setLineWidth ( 6 / zoom )
|
Cairo.setLineWidth ( 6 / zoomFactor )
|
||||||
withRGBA path Cairo.setSourceRGBA
|
withRGBA path Cairo.setSourceRGBA
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
|
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
|
||||||
drawOutline
|
drawOutline
|
||||||
:: Colours -> Bool -> Double
|
:: Colours -> Bool -> Zoom
|
||||||
-> Either ( SplinePts Closed ) ( SplinePts Closed, SplinePts Closed )
|
-> Either ( SplinePts Closed ) ( SplinePts Closed, SplinePts Closed )
|
||||||
-> Cairo.Render ()
|
-> Cairo.Render ()
|
||||||
drawOutline ( Colours {..} ) debug zoom strokeData = do
|
drawOutline ( Colours {..} ) debug ( Zoom { zoomFactor } ) strokeData = do
|
||||||
Cairo.save
|
Cairo.save
|
||||||
withRGBA brushStroke Cairo.setSourceRGBA
|
withRGBA brushStroke Cairo.setSourceRGBA
|
||||||
case strokeData of
|
case strokeData of
|
||||||
|
@ -616,7 +647,7 @@ drawOutline ( Colours {..} ) debug zoom strokeData = do
|
||||||
True -> do
|
True -> do
|
||||||
Cairo.fillPreserve
|
Cairo.fillPreserve
|
||||||
Cairo.setSourceRGBA 0 0 0 0.75
|
Cairo.setSourceRGBA 0 0 0 0.75
|
||||||
Cairo.setLineWidth ( 2 / zoom )
|
Cairo.setLineWidth ( 2 / zoomFactor )
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
Right ( fwd, bwd ) -> do
|
Right ( fwd, bwd ) -> do
|
||||||
makeOutline fwd
|
makeOutline fwd
|
||||||
|
@ -626,7 +657,7 @@ drawOutline ( Colours {..} ) debug zoom strokeData = do
|
||||||
True -> do
|
True -> do
|
||||||
Cairo.fillPreserve
|
Cairo.fillPreserve
|
||||||
Cairo.setSourceRGBA 0 0 0 0.75
|
Cairo.setSourceRGBA 0 0 0 0.75
|
||||||
Cairo.setLineWidth ( 2 / zoom )
|
Cairo.setLineWidth ( 2 / zoomFactor )
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
where
|
where
|
||||||
|
@ -651,16 +682,16 @@ drawOutline ( Colours {..} ) debug zoom strokeData = do
|
||||||
let ℝ2 x3 y3 = fromNextPoint start mp3
|
let ℝ2 x3 y3 = fromNextPoint start mp3
|
||||||
in Cairo.curveTo x1 y1 x2 y2 x3 y3
|
in Cairo.curveTo x1 y1 x2 y2 x3 y3
|
||||||
|
|
||||||
drawDebugInfo :: Colours -> Double
|
drawDebugInfo :: Colours -> Zoom
|
||||||
-> ( Seq FitPoint, [ Cusp ] )
|
-> ( Seq FitPoint, [ Cusp ] )
|
||||||
-> Cairo.Render ()
|
-> Cairo.Render ()
|
||||||
drawDebugInfo cols zoom ( fitPts, cusps ) = do
|
drawDebugInfo cols zoom@( Zoom { zoomFactor } ) ( fitPts, cusps ) = do
|
||||||
Cairo.setLineWidth ( 2 / zoom )
|
Cairo.setLineWidth ( 2 / zoomFactor )
|
||||||
( `evalStateT` 0 ) $ traverse_ ( drawFitPoint cols zoom ) fitPts
|
( `evalStateT` 0 ) $ traverse_ ( drawFitPoint cols zoom ) fitPts
|
||||||
for_ cusps ( drawCusp cols zoom )
|
for_ cusps ( drawCusp cols zoom )
|
||||||
|
|
||||||
drawFitPoint :: Colours -> Double -> FitPoint -> StateT Double Cairo.Render ()
|
drawFitPoint :: Colours -> Zoom -> FitPoint -> StateT Double Cairo.Render ()
|
||||||
drawFitPoint _ zoom ( FitPoint { fitPoint = ℝ2 x y } ) = do
|
drawFitPoint _ ( Zoom { zoomFactor } ) ( FitPoint { fitPoint = ℝ2 x y } ) = do
|
||||||
|
|
||||||
hue <- get
|
hue <- get
|
||||||
put ( hue + 0.01 )
|
put ( hue + 0.01 )
|
||||||
|
@ -670,12 +701,12 @@ drawFitPoint _ zoom ( FitPoint { fitPoint = ℝ2 x y } ) = do
|
||||||
lift do
|
lift do
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate x y
|
Cairo.translate x y
|
||||||
Cairo.arc 0 0 ( 4 / zoom ) 0 ( 2 * pi )
|
Cairo.arc 0 0 ( 4 / zoomFactor ) 0 ( 2 * pi )
|
||||||
Cairo.setSourceRGBA r g b 0.8
|
Cairo.setSourceRGBA r g b 0.8
|
||||||
Cairo.fill
|
Cairo.fill
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
|
||||||
drawFitPoint _ zoom ( FitTangent { fitPoint = ℝ2 x y, fitTangent = V2 tx ty } ) = do
|
drawFitPoint _ ( Zoom { zoomFactor } ) ( FitTangent { fitPoint = ℝ2 x y, fitTangent = V2 tx ty } ) = do
|
||||||
|
|
||||||
hue <- get
|
hue <- get
|
||||||
put ( hue + 0.01 )
|
put ( hue + 0.01 )
|
||||||
|
@ -687,36 +718,36 @@ drawFitPoint _ zoom ( FitTangent { fitPoint = ℝ2 x y, fitTangent = V2 tx ty }
|
||||||
Cairo.translate x y
|
Cairo.translate x y
|
||||||
Cairo.moveTo 0 0
|
Cairo.moveTo 0 0
|
||||||
Cairo.lineTo ( 0.05 * tx ) ( 0.05 * ty )
|
Cairo.lineTo ( 0.05 * tx ) ( 0.05 * ty )
|
||||||
Cairo.setLineWidth ( 4 / zoom )
|
Cairo.setLineWidth ( 4 / zoomFactor )
|
||||||
Cairo.setSourceRGBA r g b 1.0
|
Cairo.setSourceRGBA r g b 1.0
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
Cairo.arc 0 0 ( 2 / zoom ) 0 ( 2 * pi )
|
Cairo.arc 0 0 ( 2 / zoomFactor ) 0 ( 2 * pi )
|
||||||
Cairo.fill
|
Cairo.fill
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
|
||||||
drawCusp :: Colours -> Double -> Cusp -> Cairo.Render ()
|
drawCusp :: Colours -> Zoom -> Cusp -> Cairo.Render ()
|
||||||
drawCusp _ zoom
|
drawCusp _ ( Zoom { zoomFactor } )
|
||||||
( Cusp { cuspPathCoords = D21 { _D21_v = ℝ2 px py
|
( Cusp { cuspPathCoords = D21 { _D21_v = ℝ2 px py
|
||||||
, _D21_dx = tgt }
|
, _D21_dx = tgt }
|
||||||
, cuspStrokeCoords = ℝ2 cx cy } ) = do
|
, cuspStrokeCoords = ℝ2 cx cy } ) = do
|
||||||
|
|
||||||
-- Draw a line perpendicular to the underlying path at the cusp.
|
-- Draw a line perpendicular to the underlying path at the cusp.
|
||||||
let
|
let
|
||||||
!( V2 tx ty ) = ( 6 / zoom ) *^ normalise tgt
|
!( V2 tx ty ) = ( 6 / zoomFactor ) *^ normalise tgt
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate px py
|
Cairo.translate px py
|
||||||
Cairo.moveTo -ty tx
|
Cairo.moveTo -ty tx
|
||||||
Cairo.lineTo ty -tx
|
Cairo.lineTo ty -tx
|
||||||
--withRGBA path Cairo.setSourceRGBA
|
--withRGBA path Cairo.setSourceRGBA
|
||||||
Cairo.setSourceRGBA 0 0 0 0.75
|
Cairo.setSourceRGBA 0 0 0 0.75
|
||||||
Cairo.setLineWidth ( 2 / zoom )
|
Cairo.setLineWidth ( 2 / zoomFactor )
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
|
||||||
-- Draw a circle around the outline cusp point.
|
-- Draw a circle around the outline cusp point.
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate cx cy
|
Cairo.translate cx cy
|
||||||
Cairo.arc 0 0 ( 4 / zoom ) 0 ( 2 * pi )
|
Cairo.arc 0 0 ( 4 / zoomFactor ) 0 ( 2 * pi )
|
||||||
Cairo.setSourceRGBA 0 0 0 0.75
|
Cairo.setSourceRGBA 0 0 0 0.75
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
|
@ -762,45 +793,45 @@ drawCross ( Colours {..} ) zoom = do
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
-}
|
-}
|
||||||
|
|
||||||
renderBrushWidgetElements :: Colours -> Double -> Maybe HoverContext -> Brush.WidgetElements -> Compose Renders Cairo.Render ()
|
renderBrushWidgetElements :: Colours -> Zoom -> Maybe HoverContext -> Brush.WidgetElements -> Compose Renders Cairo.Render ()
|
||||||
renderBrushWidgetElements ( Colours { .. } ) zoom mbHover ( Brush.WidgetElements { Brush.widgetPoints = pts, Brush.widgetLines = lns } ) =
|
renderBrushWidgetElements ( Colours { .. } ) zoom@( Zoom { zoomFactor } ) mbHover ( Brush.WidgetElements { Brush.widgetPoints = pts, Brush.widgetLines = lns } ) =
|
||||||
Compose blank
|
Compose blank
|
||||||
{ renderBrushWidgets = do
|
{ renderBrushWidgets = do
|
||||||
for_ lns $ \ seg@( Segment ( T p0@( ℝ2 x1 y1 ) ) ( T p1@( ℝ2 x2 y2 ) ) ) -> do
|
for_ lns $ \ seg@( Segment ( T p0@( ℝ2 x1 y1 ) ) ( T p1@( ℝ2 x2 y2 ) ) ) -> do
|
||||||
let lineFocus
|
let lineHover
|
||||||
-- Don't do rectangle hover highlighting; doesn't make sense here.
|
-- Don't do rectangle hover highlighting; doesn't make sense here.
|
||||||
| Just ( MouseHover {} ) <- mbHover
|
| Just ( mouseHover@( MouseHover {} ) ) <- mbHover
|
||||||
-- Only focus the line if we aren't focusing a point,
|
-- Only focus the line if we aren't focusing a point,
|
||||||
-- as line focus corresponds to horizontal/vertical scaling
|
-- as line focus corresponds to horizontal/vertical scaling
|
||||||
-- as opposed to 2D scaling.
|
-- as opposed to 2D scaling.
|
||||||
, Normal <- hovered mbHover zoom p0
|
, not $ hovered mouseHover zoom p0
|
||||||
, Normal <- hovered mbHover zoom p1
|
, not $ hovered mouseHover zoom p1
|
||||||
= hovered mbHover zoom ( fmap unT seg )
|
= hovered mouseHover zoom ( fmap unT seg )
|
||||||
| otherwise
|
| otherwise
|
||||||
= Normal
|
= False
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.moveTo x1 y1
|
Cairo.moveTo x1 y1
|
||||||
Cairo.lineTo x2 y2
|
Cairo.lineTo x2 y2
|
||||||
Cairo.setLineWidth ( 2 / zoom )
|
Cairo.setLineWidth ( 2 / zoomFactor )
|
||||||
case lineFocus of
|
if lineHover
|
||||||
Hover -> withRGBA brushWidgetHover Cairo.setSourceRGBA
|
then withRGBA brushWidgetHover Cairo.setSourceRGBA
|
||||||
_ -> withRGBA brushWidget Cairo.setSourceRGBA
|
else withRGBA brushWidget Cairo.setSourceRGBA
|
||||||
Cairo.stroke
|
Cairo.stroke
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
for_ pts $ \ ( T p@( ℝ2 x y ) ) -> do
|
for_ pts $ \ ( T p@( ℝ2 x y ) ) -> do
|
||||||
let ptFocus
|
let ptHover
|
||||||
-- Don't do rectangle hover highlighting; doesn't make sense here.
|
-- Don't do rectangle hover highlighting; doesn't make sense here.
|
||||||
| Just ( MouseHover {} ) <- mbHover
|
| Just ( mouseHover@( MouseHover {} ) ) <- mbHover
|
||||||
= hovered mbHover zoom p
|
= hovered mouseHover zoom p
|
||||||
| otherwise
|
| otherwise
|
||||||
= Normal
|
= False
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate x y
|
Cairo.translate x y
|
||||||
Cairo.arc 0 0 ( 4 / zoom ) 0 ( 2 * pi )
|
Cairo.arc 0 0 ( 4 / zoomFactor ) 0 ( 2 * pi )
|
||||||
Cairo.setLineWidth ( 2 / zoom )
|
Cairo.setLineWidth ( 2 / zoomFactor )
|
||||||
case ptFocus of
|
if ptHover
|
||||||
Hover -> withRGBA brushWidgetHover Cairo.setSourceRGBA
|
then withRGBA brushWidgetHover Cairo.setSourceRGBA
|
||||||
_ -> withRGBA brushWidget Cairo.setSourceRGBA
|
else withRGBA brushWidget Cairo.setSourceRGBA
|
||||||
Cairo.fill
|
Cairo.fill
|
||||||
Cairo.restore
|
Cairo.restore
|
||||||
}
|
}
|
||||||
|
|
|
@ -29,8 +29,9 @@ import Data.Act
|
||||||
)
|
)
|
||||||
|
|
||||||
-- containers
|
-- containers
|
||||||
import qualified Data.Map as Map
|
import Data.Map.Strict
|
||||||
( adjust )
|
( Map )
|
||||||
|
import qualified Data.Map.Strict as Map
|
||||||
|
|
||||||
-- generic-lens
|
-- generic-lens
|
||||||
import Data.Generics.Product.Fields
|
import Data.Generics.Product.Fields
|
||||||
|
@ -41,28 +42,25 @@ import qualified GI.Cairo.Render as Cairo
|
||||||
|
|
||||||
-- lens
|
-- lens
|
||||||
import Control.Lens
|
import Control.Lens
|
||||||
( set, over )
|
( over )
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..), T(..) )
|
( ℝ(..), T(..) )
|
||||||
import MetaBrush.Action
|
import MetaBrush.Application.Action
|
||||||
( ActionOrigin(..) )
|
( ActionOrigin(..) )
|
||||||
import MetaBrush.Asset.Colours
|
import MetaBrush.Asset.Colours
|
||||||
( Colours, ColourRecord(..) )
|
( Colours, ColourRecord(..) )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( HoldAction(..), GuideAction(..) )
|
( HoldAction(..), GuideAction(..) )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..), DocumentContent(..)
|
import MetaBrush.Hover
|
||||||
, FocusState(..), Hoverable(..), HoverContext(..)
|
|
||||||
, Guide(..)
|
|
||||||
)
|
|
||||||
import MetaBrush.UI.Coordinates
|
import MetaBrush.UI.Coordinates
|
||||||
( toViewportCoordinates )
|
( toViewportCoordinates )
|
||||||
import MetaBrush.UI.Viewport
|
import MetaBrush.UI.Viewport
|
||||||
( Ruler(..) )
|
( Ruler(..) )
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
( unsafeUnique )
|
( Unique )
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( withRGBA )
|
( withRGBA )
|
||||||
|
|
||||||
|
@ -76,10 +74,20 @@ renderRuler
|
||||||
renderRuler
|
renderRuler
|
||||||
cols@( Colours {..} ) ( viewportWidth, viewportHeight ) actionOrigin ( width, height )
|
cols@( Colours {..} ) ( viewportWidth, viewportHeight ) actionOrigin ( width, height )
|
||||||
mbMousePos mbHoldEvent showGuides
|
mbMousePos mbHoldEvent showGuides
|
||||||
( Document { viewportCenter = center@( ℝ2 cx cy ), zoomFactor, documentContent = Content { guides } } ) = do
|
( Document
|
||||||
|
{ documentMetadata =
|
||||||
|
Metadata
|
||||||
|
{ viewportCenter = center@( ℝ2 cx cy )
|
||||||
|
, documentZoom = zoom@( Zoom { zoomFactor } )
|
||||||
|
, documentGuides = guides0
|
||||||
|
}
|
||||||
|
} ) = do
|
||||||
|
|
||||||
let
|
let
|
||||||
modifiedGuides :: [ Guide ]
|
guides1 :: Map Unique ( Guide, Bool )
|
||||||
|
guides1 = fmap ( , False ) guides0
|
||||||
|
|
||||||
|
modifiedGuides :: [ ( Guide, Bool ) ]
|
||||||
modifiedGuides
|
modifiedGuides
|
||||||
| Just ( GuideAction { holdStartPos = mousePos0, guideAction = act } ) <- mbHoldEvent
|
| Just ( GuideAction { holdStartPos = mousePos0, guideAction = act } ) <- mbHoldEvent
|
||||||
, Just mousePos <- mbMousePos
|
, Just mousePos <- mbMousePos
|
||||||
|
@ -91,26 +99,26 @@ renderRuler
|
||||||
translate = ( ( mousePos0 --> mousePos :: T ( ℝ 2 ) ) • )
|
translate = ( ( mousePos0 --> mousePos :: T ( ℝ 2 ) ) • )
|
||||||
in toList
|
in toList
|
||||||
$ Map.adjust
|
$ Map.adjust
|
||||||
( over ( field' @"guidePoint" ) translate . set ( field' @"guideFocus" ) Selected )
|
( \ ( g, _ ) -> ( over ( field' @"guidePoint" ) translate g, True ) )
|
||||||
guideUnique
|
guideUnique
|
||||||
guides
|
guides1
|
||||||
CreateGuide ruler
|
CreateGuide ruler
|
||||||
-> let
|
-> let
|
||||||
addNewGuides :: [ Guide ] -> [ Guide ]
|
addNewGuides :: [ ( Guide, Bool ) ] -> [ ( Guide, Bool ) ]
|
||||||
addNewGuides gs = case ruler of
|
addNewGuides gs = case ruler of
|
||||||
RulerCorner
|
RulerCorner
|
||||||
-> Guide { guidePoint = mousePos, guideNormal = V2 0 1, guideFocus = Selected, guideUnique = unsafeUnique 0 }
|
-> ( Guide { guidePoint = mousePos, guideNormal = V2 0 1 }, True )
|
||||||
: Guide { guidePoint = mousePos, guideNormal = V2 1 0, guideFocus = Selected, guideUnique = unsafeUnique 1 }
|
: ( Guide { guidePoint = mousePos, guideNormal = V2 1 0 }, True )
|
||||||
: gs
|
: gs
|
||||||
LeftRuler
|
LeftRuler
|
||||||
-> Guide { guidePoint = mousePos, guideNormal = V2 1 0, guideFocus = Selected, guideUnique = unsafeUnique 2 }
|
-> ( Guide { guidePoint = mousePos, guideNormal = V2 1 0 }, True )
|
||||||
: gs
|
: gs
|
||||||
TopRuler
|
TopRuler
|
||||||
-> Guide { guidePoint = mousePos, guideNormal = V2 0 1, guideFocus = Selected, guideUnique = unsafeUnique 3 }
|
-> ( Guide { guidePoint = mousePos, guideNormal = V2 0 1 }, True )
|
||||||
: gs
|
: gs
|
||||||
in addNewGuides ( toList guides )
|
in addNewGuides ( toList guides1 )
|
||||||
| otherwise
|
| otherwise
|
||||||
= toList guides
|
= toList guides1
|
||||||
|
|
||||||
mbHoverContext :: Maybe HoverContext
|
mbHoverContext :: Maybe HoverContext
|
||||||
mbHoverContext
|
mbHoverContext
|
||||||
|
@ -129,7 +137,7 @@ renderRuler
|
||||||
-- Render tick marks.
|
-- Render tick marks.
|
||||||
renderTicks
|
renderTicks
|
||||||
-- Render guides.
|
-- Render guides.
|
||||||
when showGuides ( for_ modifiedGuides ( renderGuide cols mbHoverContext zoomFactor ) )
|
when showGuides ( for_ modifiedGuides ( renderGuide cols mbHoverContext zoom ) )
|
||||||
-- Render mouse cursor indicator.
|
-- Render mouse cursor indicator.
|
||||||
for_ mbMousePos \ ( ℝ2 mx my ) ->
|
for_ mbMousePos \ ( ℝ2 mx my ) ->
|
||||||
case actionOrigin of
|
case actionOrigin of
|
||||||
|
@ -179,7 +187,7 @@ renderRuler
|
||||||
TopRuler -> do
|
TopRuler -> do
|
||||||
Cairo.translate 0 dy
|
Cairo.translate 0 dy
|
||||||
toViewport :: ℝ 2 -> ℝ 2
|
toViewport :: ℝ 2 -> ℝ 2
|
||||||
toViewport = toViewportCoordinates zoomFactor ( fromIntegral viewportWidth, fromIntegral viewportHeight ) center
|
toViewport = toViewportCoordinates zoom ( fromIntegral viewportWidth, fromIntegral viewportHeight ) center
|
||||||
|
|
||||||
setTickRenderContext :: Cairo.Render ()
|
setTickRenderContext :: Cairo.Render ()
|
||||||
setTickRenderContext = do
|
setTickRenderContext = do
|
||||||
|
@ -280,19 +288,24 @@ data Tick
|
||||||
}
|
}
|
||||||
deriving stock Show
|
deriving stock Show
|
||||||
|
|
||||||
renderGuide :: Colours -> Maybe HoverContext -> Double -> Guide -> Cairo.Render ()
|
renderGuide :: Colours -> Maybe HoverContext -> Zoom -> ( Guide, Bool ) -> Cairo.Render ()
|
||||||
renderGuide ( Colours {..} ) mbHoverContext zoom
|
renderGuide ( Colours {..} ) mbHover zoom@( Zoom { zoomFactor } )
|
||||||
gd@( Guide { guidePoint = ℝ2 x y, guideNormal = V2 nx ny, guideFocus } )
|
( gd@( Guide { guidePoint = ℝ2 x y, guideNormal = V2 nx ny } ), guideSelected )
|
||||||
= do
|
= do
|
||||||
|
|
||||||
Cairo.save
|
Cairo.save
|
||||||
Cairo.translate x y
|
Cairo.translate x y
|
||||||
Cairo.scale ( 1 / zoom ) ( 1 / zoom )
|
Cairo.scale ( 1 / zoomFactor ) ( 1 / zoomFactor )
|
||||||
|
|
||||||
Cairo.setLineWidth 1
|
Cairo.setLineWidth 1
|
||||||
case guideFocus <> hovered mbHoverContext zoom gd of
|
let isHovered
|
||||||
Normal -> withRGBA guide Cairo.setSourceRGBA
|
| Just hov <- mbHover
|
||||||
_ -> withRGBA pointHover Cairo.setSourceRGBA
|
= hovered hov zoom gd
|
||||||
|
| otherwise
|
||||||
|
= False
|
||||||
|
if guideSelected || isHovered
|
||||||
|
then withRGBA pointHover Cairo.setSourceRGBA
|
||||||
|
else withRGBA guide Cairo.setSourceRGBA
|
||||||
|
|
||||||
Cairo.moveTo ( 1e5 * ny ) ( -1e5 * nx )
|
Cairo.moveTo ( 1e5 * ny ) ( -1e5 * nx )
|
||||||
Cairo.lineTo ( -1e5 * ny ) ( 1e5 * nx )
|
Cairo.lineTo ( -1e5 * ny ) ( 1e5 * nx )
|
||||||
|
|
|
@ -18,7 +18,7 @@ import Data.Act
|
||||||
( (-->) )
|
( (-->) )
|
||||||
)
|
)
|
||||||
|
|
||||||
-- MetaBrush
|
-- brush-strokes
|
||||||
import qualified Math.Bezier.Cubic as Cubic
|
import qualified Math.Bezier.Cubic as Cubic
|
||||||
( Bezier(..), closestPoint )
|
( Bezier(..), closestPoint )
|
||||||
import qualified Math.Bezier.Quadratic as Quadratic
|
import qualified Math.Bezier.Quadratic as Quadratic
|
||||||
|
@ -31,22 +31,24 @@ import Math.Module
|
||||||
( (*^), squaredNorm, closestPointOnSegment )
|
( (*^), squaredNorm, closestPointOnSegment )
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..), T(..), Segment(..) )
|
( ℝ(..), T(..), Segment(..) )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Stroke(..), PointData(..)
|
( Zoom(..) )
|
||||||
, coords
|
import MetaBrush.Stroke
|
||||||
)
|
( Stroke(..), PointData, coords )
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
-- | Convert a position relative to the drawing area into viewport coordinates.
|
-- | Convert a position relative to the drawing area into viewport coordinates.
|
||||||
toViewportCoordinates :: Double -> ( Double, Double ) -> ℝ 2 -> ℝ 2 -> ℝ 2
|
toViewportCoordinates :: Zoom -> ( Double, Double ) -> ℝ 2 -> ℝ 2 -> ℝ 2
|
||||||
toViewportCoordinates zoomFactor ( viewportWidth, viewportHeight ) viewportCenter ( ℝ2 x y )
|
toViewportCoordinates ( Zoom { zoomFactor } ) ( viewportWidth, viewportHeight ) viewportCenter ( ℝ2 x y )
|
||||||
= ( recip zoomFactor *^ ( ℝ2 ( 0.5 * viewportWidth ) ( 0.5 * viewportHeight ) --> ℝ2 x y :: T ( ℝ 2 ) ) )
|
= ( recip zoomFactor *^ ( ℝ2 ( 0.5 * viewportWidth ) ( 0.5 * viewportHeight ) --> ℝ2 x y :: T ( ℝ 2 ) ) )
|
||||||
• viewportCenter
|
• viewportCenter
|
||||||
|
|
||||||
-- | Find the closest point in a set of strokes.
|
-- | Find the closest point on a stroke.
|
||||||
closestPoint :: ℝ 2 -> Stroke -> ArgMin Double ( Maybe ( ℝ 2 ) )
|
closestPoint :: ℝ 2 -> Stroke -> ArgMin Double ( Maybe ( ℝ 2 ) )
|
||||||
closestPoint c ( Stroke { strokeSpline, strokeVisible = True } ) =
|
closestPoint c ( Stroke { strokeSpline } ) =
|
||||||
coerce $
|
coerce $
|
||||||
bifoldSpline @_ @Identity
|
bifoldSpline @_ @Identity
|
||||||
( closestPointToCurve ( splineStart strokeSpline ) )
|
( closestPointToCurve ( splineStart strokeSpline ) )
|
||||||
|
@ -71,7 +73,6 @@ closestPoint c ( Stroke { strokeSpline, strokeVisible = True } ) =
|
||||||
closestPointToCurve start p0 ( Bezier3To p1 p2 p3 _ ) = coerce $
|
closestPointToCurve start p0 ( Bezier3To p1 p2 p3 _ ) = coerce $
|
||||||
fmap ( fmap ( Just . snd ) )
|
fmap ( fmap ( Just . snd ) )
|
||||||
( Cubic.closestPoint @( T ( ℝ 2 ) ) ( Cubic.Bezier ( coords p0 ) ( coords p1 ) ( coords p2 ) ( coords $ fromNextPoint start p3 ) ) c )
|
( Cubic.closestPoint @( T ( ℝ 2 ) ) ( Cubic.Bezier ( coords p0 ) ( coords p1 ) ( coords p2 ) ( coords $ fromNextPoint start p3 ) ) c )
|
||||||
closestPoint _ _ = coerce $ mempty @( ArgMin BoundedDouble ( Maybe ( ℝ 2 ) ) )
|
|
||||||
|
|
||||||
-- Messing around to emulate a `Monoid` instance for `ArgMin Double ( Maybe ( ℝ 2 ) )`
|
-- Messing around to emulate a `Monoid` instance for `ArgMin Double ( Maybe ( ℝ 2 ) )`
|
||||||
newtype BoundedDouble = BoundedDouble Double
|
newtype BoundedDouble = BoundedDouble Double
|
||||||
|
|
|
@ -11,13 +11,12 @@ module MetaBrush.UI.FileBar
|
||||||
import Control.Monad
|
import Control.Monad
|
||||||
( join, void )
|
( join, void )
|
||||||
import Data.Foldable
|
import Data.Foldable
|
||||||
( for_, sequenceA_ )
|
( sequenceA_ )
|
||||||
import Data.Traversable
|
import Data.Traversable
|
||||||
( for )
|
( for )
|
||||||
|
|
||||||
-- containers
|
-- containers
|
||||||
import qualified Data.Map.Strict as Map
|
import qualified Data.Map.Strict as Map
|
||||||
( lookup, insert, delete )
|
|
||||||
|
|
||||||
-- gi-cairo-connector
|
-- gi-cairo-connector
|
||||||
import qualified GI.Cairo.Render.Connector as Cairo
|
import qualified GI.Cairo.Render.Connector as Cairo
|
||||||
|
@ -44,24 +43,23 @@ import Data.HashMap.Lazy
|
||||||
( HashMap )
|
( HashMap )
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import {-# SOURCE #-} MetaBrush.Action
|
import {-# SOURCE #-} MetaBrush.Application.Action
|
||||||
( ActionName, SwitchFromTo(..), Close(..), handleAction )
|
( ActionName, SwitchFromTo(..), Close(..), handleAction )
|
||||||
import MetaBrush.Asset.CloseTabButton
|
import MetaBrush.Asset.CloseTabButton
|
||||||
( drawCloseTabButton )
|
( drawCloseTabButton )
|
||||||
import MetaBrush.Asset.Colours
|
import MetaBrush.Asset.Colours
|
||||||
( Colours )
|
( Colours )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( UIElements(..), Variables(..) )
|
( UIElements(..), Variables(..) )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..), DocumentContent(..)
|
|
||||||
, emptyDocument
|
|
||||||
)
|
|
||||||
import MetaBrush.Document.History
|
import MetaBrush.Document.History
|
||||||
( DocumentHistory(..), newHistory )
|
( DocumentHistory(..), newHistory )
|
||||||
import MetaBrush.Document.Update
|
import MetaBrush.Application.UpdateDocument
|
||||||
( updateUIAction )
|
( updateUIAction, ActiveDocChange (..) )
|
||||||
import {-# SOURCE #-} MetaBrush.UI.InfoBar
|
import {-# SOURCE #-} MetaBrush.UI.InfoBar
|
||||||
( InfoBar )
|
( InfoBar )
|
||||||
|
import MetaBrush.UI.Panels
|
||||||
|
( PanelsBar )
|
||||||
import MetaBrush.UI.Viewport
|
import MetaBrush.UI.Viewport
|
||||||
( Viewport(..) )
|
( Viewport(..) )
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
|
@ -93,7 +91,7 @@ data TabLocation
|
||||||
newFileTab
|
newFileTab
|
||||||
:: UIElements
|
:: UIElements
|
||||||
-> Variables
|
-> Variables
|
||||||
-> Maybe DocumentHistory
|
-> Maybe ( Unique, DocumentHistory )
|
||||||
-> TabLocation
|
-> TabLocation
|
||||||
-> IO ()
|
-> IO ()
|
||||||
newFileTab
|
newFileTab
|
||||||
|
@ -103,21 +101,18 @@ newFileTab
|
||||||
newTabLoc
|
newTabLoc
|
||||||
= do
|
= do
|
||||||
|
|
||||||
newDocHist <- case mbDocHist of
|
( thisTabDocUnique, thisTabDocHist ) <-
|
||||||
-- Use the provided document (e.g. document read from a file).
|
case mbDocHist of
|
||||||
Just docHist -> do pure docHist
|
-- Use the provided document (e.g. document read from a file).
|
||||||
-- Create a new empty document.
|
Just docHist -> pure docHist
|
||||||
Nothing -> do
|
-- Create a new empty document.
|
||||||
newDocUniq <- STM.atomically $ runReaderT freshUnique uniqueSupply
|
Nothing -> do
|
||||||
pure ( newHistory $ emptyDocument ( "Untitled " <> uniqueText newDocUniq ) newDocUniq )
|
newDocUniq <- STM.atomically $ runReaderT freshUnique uniqueSupply
|
||||||
|
pure ( newDocUniq, newHistory $ emptyDocument ( "Untitled " <> uniqueText newDocUniq ) )
|
||||||
let
|
|
||||||
thisTabDocUnique :: Unique
|
|
||||||
thisTabDocUnique = documentUnique ( present newDocHist )
|
|
||||||
|
|
||||||
-- TODO: make the file tab an EditableLabel
|
-- TODO: make the file tab an EditableLabel
|
||||||
-- File tab elements.
|
-- File tab elements.
|
||||||
pgButton <- GTK.toggleButtonNewWithLabel ( displayName $ present newDocHist )
|
pgButton <- GTK.toggleButtonNewWithLabel ( documentName $ documentMetadata $ present thisTabDocHist )
|
||||||
GTK.toggleButtonSetGroup pgButton ( Just fileBarPhantomToggleButton )
|
GTK.toggleButtonSetGroup pgButton ( Just fileBarPhantomToggleButton )
|
||||||
closeFileButton <- GTK.buttonNew
|
closeFileButton <- GTK.buttonNew
|
||||||
closeFileArea <- GTK.drawingAreaNew
|
closeFileArea <- GTK.drawingAreaNew
|
||||||
|
@ -163,10 +158,12 @@ newFileTab
|
||||||
}
|
}
|
||||||
-- Update the state: switch to this new document.
|
-- Update the state: switch to this new document.
|
||||||
uiUpdateAction <- STM.atomically do
|
uiUpdateAction <- STM.atomically do
|
||||||
STM.modifyTVar' openDocumentsTVar ( Map.insert thisTabDocUnique newDocHist )
|
STM.modifyTVar' openDocumentsTVar ( Map.insert thisTabDocUnique thisTabDocHist )
|
||||||
STM.modifyTVar' fileBarTabsTVar ( Map.insert thisTabDocUnique fileBarTab )
|
STM.modifyTVar' fileBarTabsTVar ( Map.insert thisTabDocUnique fileBarTab )
|
||||||
STM.writeTVar activeDocumentTVar ( Just thisTabDocUnique )
|
mbOldDoc <- STM.readTVar activeDocumentTVar
|
||||||
updateUIAction uiElts vars
|
STM.writeTVar activeDocumentTVar ( Just thisTabDocUnique )
|
||||||
|
let change = ActiveDocChange { mbOldDocUnique = mbOldDoc }
|
||||||
|
updateUIAction change uiElts vars
|
||||||
uiUpdateAction
|
uiUpdateAction
|
||||||
|
|
||||||
void $ GTK.afterToggleButtonToggled pgButton do
|
void $ GTK.afterToggleButtonToggled pgButton do
|
||||||
|
@ -214,11 +211,12 @@ createFileBar
|
||||||
-> GTK.Application -> GTK.ApplicationWindow -> GTK.EventControllerKey
|
-> GTK.Application -> GTK.ApplicationWindow -> GTK.EventControllerKey
|
||||||
-> GTK.HeaderBar -> GTK.Label -> Viewport -> InfoBar
|
-> GTK.HeaderBar -> GTK.Label -> Viewport -> InfoBar
|
||||||
-> GTK.PopoverMenuBar -> HashMap ActionName GIO.SimpleAction
|
-> GTK.PopoverMenuBar -> HashMap ActionName GIO.SimpleAction
|
||||||
|
-> PanelsBar
|
||||||
-> IO FileBar
|
-> IO FileBar
|
||||||
createFileBar
|
createFileBar
|
||||||
colours
|
colours
|
||||||
vars@( Variables { openDocumentsTVar } )
|
vars@( Variables { openDocumentsTVar } )
|
||||||
application window windowKeys titleBar titleLabel viewport infoBar menuBar menuActions
|
application window windowKeys titleBar titleLabel viewport infoBar menuBar menuActions panelsBar
|
||||||
= do
|
= do
|
||||||
|
|
||||||
-- Create file bar: box containing scrollable tabs, and a "+" button after it.
|
-- Create file bar: box containing scrollable tabs, and a "+" button after it.
|
||||||
|
@ -251,10 +249,10 @@ createFileBar
|
||||||
uiElements = UIElements {..}
|
uiElements = UIElements {..}
|
||||||
|
|
||||||
documents <- STM.readTVarIO openDocumentsTVar
|
documents <- STM.readTVarIO openDocumentsTVar
|
||||||
for_ documents \ doc ->
|
( `Map.foldMapWithKey` documents ) \ docUnique doc ->
|
||||||
newFileTab
|
newFileTab
|
||||||
uiElements vars
|
uiElements vars
|
||||||
( Just doc )
|
( Just ( docUnique, doc ) )
|
||||||
LastTab
|
LastTab
|
||||||
|
|
||||||
void $ GTK.onButtonClicked newFileButton do
|
void $ GTK.onButtonClicked newFileButton do
|
||||||
|
@ -279,5 +277,5 @@ removeFileTab
|
||||||
STM.modifyTVar' openDocumentsTVar ( Map.delete docUnique )
|
STM.modifyTVar' openDocumentsTVar ( Map.delete docUnique )
|
||||||
STM.modifyTVar' fileBarTabsTVar ( Map.delete docUnique )
|
STM.modifyTVar' fileBarTabsTVar ( Map.delete docUnique )
|
||||||
pure ( GTK.boxRemove fileTabsBox tab )
|
pure ( GTK.boxRemove fileTabsBox tab )
|
||||||
|
|
||||||
sequenceA_ cleanupAction
|
sequenceA_ cleanupAction
|
||||||
|
|
|
@ -8,7 +8,7 @@ module MetaBrush.UI.FileBar
|
||||||
import qualified GI.Gtk as GTK
|
import qualified GI.Gtk as GTK
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import {-# SOURCE #-} MetaBrush.Context
|
import {-# SOURCE #-} MetaBrush.Application.Context
|
||||||
( Variables, UIElements )
|
( Variables, UIElements )
|
||||||
import MetaBrush.Document.History
|
import MetaBrush.Document.History
|
||||||
( DocumentHistory )
|
( DocumentHistory )
|
||||||
|
@ -37,5 +37,5 @@ data TabLocation
|
||||||
|
|
||||||
instance Show TabLocation
|
instance Show TabLocation
|
||||||
|
|
||||||
newFileTab :: UIElements -> Variables -> Maybe DocumentHistory -> TabLocation -> IO ()
|
newFileTab :: UIElements -> Variables -> Maybe ( Unique, DocumentHistory ) -> TabLocation -> IO ()
|
||||||
removeFileTab :: UIElements -> Variables -> Unique -> IO ()
|
removeFileTab :: UIElements -> Variables -> Unique -> IO ()
|
||||||
|
|
|
@ -43,10 +43,10 @@ import MetaBrush.Asset.Cursor
|
||||||
( drawCursorIcon )
|
( drawCursorIcon )
|
||||||
import MetaBrush.Asset.InfoBar
|
import MetaBrush.Asset.InfoBar
|
||||||
( drawMagnifier, drawTopLeftCornerRect )
|
( drawMagnifier, drawTopLeftCornerRect )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( Variables(..) )
|
( Variables(..) )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..) )
|
( DocumentMetadata(..), Zoom(..) )
|
||||||
import MetaBrush.UI.Coordinates
|
import MetaBrush.UI.Coordinates
|
||||||
( toViewportCoordinates )
|
( toViewportCoordinates )
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
|
@ -151,7 +151,7 @@ createInfoBar colours = do
|
||||||
|
|
||||||
pure ( InfoBar {..} )
|
pure ( InfoBar {..} )
|
||||||
|
|
||||||
updateInfoBar :: GTK.DrawingArea -> InfoBar -> Variables -> Maybe Document -> IO ()
|
updateInfoBar :: GTK.DrawingArea -> InfoBar -> Variables -> Maybe DocumentMetadata -> IO ()
|
||||||
updateInfoBar viewportDrawingArea ( InfoBar {..} ) ( Variables { mousePosTVar } ) mbDoc
|
updateInfoBar viewportDrawingArea ( InfoBar {..} ) ( Variables { mousePosTVar } ) mbDoc
|
||||||
= do
|
= do
|
||||||
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
viewportWidth <- fromIntegral @_ @Double <$> GTK.widgetGetWidth viewportDrawingArea
|
||||||
|
@ -162,10 +162,10 @@ updateInfoBar viewportDrawingArea ( InfoBar {..} ) ( Variables { mousePosTVar }
|
||||||
GTK.labelSetText cursorPosText $ Text.pack ( "x: " <> na <> "\ny: " <> na )
|
GTK.labelSetText cursorPosText $ Text.pack ( "x: " <> na <> "\ny: " <> na )
|
||||||
GTK.labelSetText topLeftPosText $ Text.pack ( "x: " <> na <> "\ny: " <> na )
|
GTK.labelSetText topLeftPosText $ Text.pack ( "x: " <> na <> "\ny: " <> na )
|
||||||
GTK.labelSetText botRightPosText $ Text.pack ( "x: " <> na <> "\ny: " <> na )
|
GTK.labelSetText botRightPosText $ Text.pack ( "x: " <> na <> "\ny: " <> na )
|
||||||
Just ( Document { zoomFactor, viewportCenter } ) -> do
|
Just ( Metadata { documentZoom = zoom@( Zoom { zoomFactor } ), viewportCenter } ) -> do
|
||||||
let
|
let
|
||||||
toViewport :: ℝ 2 -> ℝ 2
|
toViewport :: ℝ 2 -> ℝ 2
|
||||||
toViewport = toViewportCoordinates zoomFactor ( viewportWidth, viewportHeight ) viewportCenter
|
toViewport = toViewportCoordinates zoom ( viewportWidth, viewportHeight ) viewportCenter
|
||||||
ℝ2 l t = toViewport ( ℝ2 0 0 )
|
ℝ2 l t = toViewport ( ℝ2 0 0 )
|
||||||
ℝ2 r b = toViewport ( ℝ2 viewportWidth viewportHeight )
|
ℝ2 r b = toViewport ( ℝ2 viewportWidth viewportHeight )
|
||||||
mbMousePos <- STM.readTVarIO mousePosTVar
|
mbMousePos <- STM.readTVarIO mousePosTVar
|
||||||
|
|
|
@ -6,10 +6,10 @@ module MetaBrush.UI.InfoBar
|
||||||
import qualified GI.Gtk as GTK
|
import qualified GI.Gtk as GTK
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import {-# SOURCE #-} MetaBrush.Context
|
import {-# SOURCE #-} MetaBrush.Application.Context
|
||||||
( Variables )
|
( Variables )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document )
|
( DocumentMetadata )
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
@ -21,4 +21,4 @@ data InfoBar
|
||||||
}
|
}
|
||||||
|
|
||||||
updateInfoBar
|
updateInfoBar
|
||||||
:: GTK.DrawingArea -> InfoBar -> Variables -> Maybe Document -> IO ()
|
:: GTK.DrawingArea -> InfoBar -> Variables -> Maybe DocumentMetadata -> IO ()
|
||||||
|
|
|
@ -39,9 +39,9 @@ import qualified Data.HashSet as HashSet
|
||||||
( fromList, toMap )
|
( fromList, toMap )
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import MetaBrush.Action
|
import MetaBrush.Application.Action
|
||||||
hiding ( save, saveAs )
|
hiding ( save, saveAs )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( UIElements(..), Variables(..) )
|
( UIElements(..), Variables(..) )
|
||||||
import MetaBrush.Asset.Colours
|
import MetaBrush.Asset.Colours
|
||||||
( Colours )
|
( Colours )
|
||||||
|
|
|
@ -1,7 +1,9 @@
|
||||||
{-# LANGUAGE OverloadedStrings #-}
|
{-# LANGUAGE OverloadedStrings #-}
|
||||||
|
|
||||||
module MetaBrush.UI.Panels
|
module MetaBrush.UI.Panels
|
||||||
( createPanelBar )
|
( PanelsBar(..)
|
||||||
|
, createPanelBar
|
||||||
|
)
|
||||||
where
|
where
|
||||||
|
|
||||||
-- base
|
-- base
|
||||||
|
@ -16,11 +18,21 @@ import qualified GI.Gtk as GTK
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( widgetAddClass, widgetAddClasses )
|
( widgetAddClass, widgetAddClasses )
|
||||||
|
--import MetaBrush.UI.StrokeTreeView
|
||||||
|
-- ( newStrokesView )
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
data PanelsBar
|
||||||
|
= PanelsBar
|
||||||
|
{ strokesPanelBox, brushesPanelBox, transformPanelBox, historyPanelBox
|
||||||
|
:: GTK.Box
|
||||||
|
, strokesListView
|
||||||
|
:: GTK.ListView
|
||||||
|
}
|
||||||
|
|
||||||
-- | Creates the right hand side panel UI.
|
-- | Creates the right hand side panel UI.
|
||||||
createPanelBar :: GTK.Box -> IO ()
|
createPanelBar :: GTK.Box -> IO PanelsBar
|
||||||
createPanelBar panelBox = do
|
createPanelBar panelBox = do
|
||||||
|
|
||||||
widgetAddClass panelBox "panels"
|
widgetAddClass panelBox "panels"
|
||||||
|
@ -38,10 +50,10 @@ createPanelBar panelBox = do
|
||||||
GTK.panedSetStartChild pane1 ( Just panels1 )
|
GTK.panedSetStartChild pane1 ( Just panels1 )
|
||||||
GTK.panedSetEndChild pane1 ( Just panels2 )
|
GTK.panedSetEndChild pane1 ( Just panels2 )
|
||||||
|
|
||||||
strokesPanel <- GTK.boxNew GTK.OrientationVertical 0
|
strokesPanelBox <- GTK.boxNew GTK.OrientationVertical 0
|
||||||
brushesPanel <- GTK.boxNew GTK.OrientationVertical 0
|
brushesPanelBox <- GTK.boxNew GTK.OrientationVertical 0
|
||||||
transformPanel <- GTK.boxNew GTK.OrientationVertical 0
|
transformPanelBox <- GTK.boxNew GTK.OrientationVertical 0
|
||||||
historyPanel <- GTK.boxNew GTK.OrientationVertical 0
|
historyPanelBox <- GTK.boxNew GTK.OrientationVertical 0
|
||||||
|
|
||||||
strokesTab <- GTK.labelNew ( Just "Strokes" )
|
strokesTab <- GTK.labelNew ( Just "Strokes" )
|
||||||
brushesTab <- GTK.labelNew ( Just "Brushes" )
|
brushesTab <- GTK.labelNew ( Just "Brushes" )
|
||||||
|
@ -51,33 +63,35 @@ createPanelBar panelBox = do
|
||||||
for_ [ strokesTab, brushesTab, transformTab, historyTab ] \ tab -> do
|
for_ [ strokesTab, brushesTab, transformTab, historyTab ] \ tab -> do
|
||||||
widgetAddClasses tab [ "plain", "text", "panelTab" ]
|
widgetAddClasses tab [ "plain", "text", "panelTab" ]
|
||||||
|
|
||||||
for_ [ strokesPanel, brushesPanel, transformPanel, historyPanel ] \ panel -> do
|
for_ [ strokesPanelBox, brushesPanelBox, transformPanelBox, historyPanelBox ] \ panel -> do
|
||||||
widgetAddClass panel "panel"
|
widgetAddClass panel "panel"
|
||||||
|
|
||||||
void $ GTK.notebookAppendPage panels1 strokesPanel ( Just strokesTab )
|
void $ GTK.notebookAppendPage panels1 strokesPanelBox ( Just strokesTab )
|
||||||
void $ GTK.notebookAppendPage panels1 brushesPanel ( Just brushesTab )
|
void $ GTK.notebookAppendPage panels1 brushesPanelBox ( Just brushesTab )
|
||||||
|
|
||||||
void $ GTK.notebookAppendPage panels2 transformPanel ( Just transformTab )
|
void $ GTK.notebookAppendPage panels2 transformPanelBox ( Just transformTab )
|
||||||
void $ GTK.notebookAppendPage panels2 historyPanel ( Just historyTab )
|
void $ GTK.notebookAppendPage panels2 historyPanelBox ( Just historyTab )
|
||||||
|
|
||||||
GTK.notebookSetTabReorderable panels1 strokesPanel True
|
GTK.notebookSetTabReorderable panels1 strokesPanelBox True
|
||||||
GTK.notebookSetTabDetachable panels1 strokesPanel True
|
GTK.notebookSetTabDetachable panels1 strokesPanelBox True
|
||||||
GTK.notebookSetTabReorderable panels1 brushesPanel True
|
GTK.notebookSetTabReorderable panels1 brushesPanelBox True
|
||||||
GTK.notebookSetTabDetachable panels1 brushesPanel True
|
GTK.notebookSetTabDetachable panels1 brushesPanelBox True
|
||||||
|
|
||||||
GTK.notebookSetTabReorderable panels2 transformPanel True
|
GTK.notebookSetTabReorderable panels2 transformPanelBox True
|
||||||
GTK.notebookSetTabDetachable panels2 transformPanel True
|
GTK.notebookSetTabDetachable panels2 transformPanelBox True
|
||||||
GTK.notebookSetTabReorderable panels2 historyPanel True
|
GTK.notebookSetTabReorderable panels2 historyPanelBox True
|
||||||
GTK.notebookSetTabDetachable panels2 historyPanel True
|
GTK.notebookSetTabDetachable panels2 historyPanelBox True
|
||||||
|
|
||||||
strokesContent <- GTK.labelNew ( Just "Strokes tab content..." )
|
|
||||||
brushesContent <- GTK.labelNew ( Just "Brushes tab content..." )
|
brushesContent <- GTK.labelNew ( Just "Brushes tab content..." )
|
||||||
transformContent <- GTK.labelNew ( Just "Transform tab content..." )
|
transformContent <- GTK.labelNew ( Just "Transform tab content..." )
|
||||||
historyContent <- GTK.labelNew ( Just "History tab content..." )
|
historyContent <- GTK.labelNew ( Just "History tab content..." )
|
||||||
|
|
||||||
GTK.boxAppend strokesPanel strokesContent
|
GTK.boxAppend brushesPanelBox brushesContent
|
||||||
GTK.boxAppend brushesPanel brushesContent
|
GTK.boxAppend transformPanelBox transformContent
|
||||||
GTK.boxAppend transformPanel transformContent
|
GTK.boxAppend historyPanelBox historyContent
|
||||||
GTK.boxAppend historyPanel historyContent
|
|
||||||
|
|
||||||
pure ()
|
--GTK.boxAppend strokesPanelBox strokesListView
|
||||||
|
|
||||||
|
return $
|
||||||
|
PanelsBar { strokesPanelBox, strokesListView = error "todo"
|
||||||
|
, brushesPanelBox, transformPanelBox, historyPanelBox }
|
||||||
|
|
0
src/app/MetaBrush/UI/StrokeTreeView.hs
Normal file
0
src/app/MetaBrush/UI/StrokeTreeView.hs
Normal file
|
@ -34,7 +34,7 @@ import MetaBrush.Asset.Cursor
|
||||||
( drawCursorIcon )
|
( drawCursorIcon )
|
||||||
import MetaBrush.Asset.Tools
|
import MetaBrush.Asset.Tools
|
||||||
( drawBug, drawBrush, drawMeta, drawPath, drawPen )
|
( drawBug, drawBrush, drawMeta, drawPath, drawPen )
|
||||||
import MetaBrush.Context
|
import MetaBrush.Application.Context
|
||||||
( Variables(..) )
|
( Variables(..) )
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( widgetAddClass )
|
( widgetAddClass )
|
||||||
|
|
|
@ -17,7 +17,7 @@ import qualified GI.Gtk as GTK
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import MetaBrush.GTK.Util
|
import MetaBrush.GTK.Util
|
||||||
( widgetAddClass, widgetAddClasses )
|
( widgetAddClass, widgetAddClasses )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Guide
|
||||||
( Ruler(..) )
|
( Ruler(..) )
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
1060
src/metabrushes/MetaBrush/Action.hs
Normal file
1060
src/metabrushes/MetaBrush/Action.hs
Normal file
File diff suppressed because it is too large
Load diff
|
@ -18,6 +18,16 @@ import Data.Kind
|
||||||
( Type )
|
( Type )
|
||||||
import GHC.TypeLits
|
import GHC.TypeLits
|
||||||
( Symbol )
|
( Symbol )
|
||||||
|
import GHC.Generics
|
||||||
|
( Generic )
|
||||||
|
|
||||||
|
-- deepseq
|
||||||
|
import Control.DeepSeq
|
||||||
|
( NFData )
|
||||||
|
|
||||||
|
-- text
|
||||||
|
import Data.Text
|
||||||
|
( Text )
|
||||||
|
|
||||||
-- brush-strokes
|
-- brush-strokes
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
|
@ -29,10 +39,6 @@ import Math.Module
|
||||||
, norm
|
, norm
|
||||||
)
|
)
|
||||||
|
|
||||||
-- text
|
|
||||||
import Data.Text
|
|
||||||
( Text )
|
|
||||||
|
|
||||||
-- metabrushes
|
-- metabrushes
|
||||||
import MetaBrush.Records
|
import MetaBrush.Records
|
||||||
( Record(..) )
|
( Record(..) )
|
||||||
|
@ -91,7 +97,8 @@ data WhatScale
|
||||||
= ScaleXY
|
= ScaleXY
|
||||||
| ScaleX
|
| ScaleX
|
||||||
| ScaleY
|
| ScaleY
|
||||||
deriving stock ( Eq, Ord, Show )
|
deriving stock ( Eq, Ord, Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
-- | Keep track of state in a brush widget action, e.g.
|
-- | Keep track of state in a brush widget action, e.g.
|
||||||
-- scaling or rotating a brush.
|
-- scaling or rotating a brush.
|
||||||
|
@ -99,7 +106,8 @@ data WidgetAction
|
||||||
= ScaleAction WhatScale
|
= ScaleAction WhatScale
|
||||||
| RotateAction
|
| RotateAction
|
||||||
--{ windingNumber :: Int }
|
--{ windingNumber :: Int }
|
||||||
deriving stock ( Eq, Ord, Show )
|
deriving stock ( Eq, Ord, Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
describeWidgetAction :: WidgetAction -> Text
|
describeWidgetAction :: WidgetAction -> Text
|
||||||
describeWidgetAction ( ScaleAction {} ) = "scaling"
|
describeWidgetAction ( ScaleAction {} ) = "scaling"
|
||||||
|
|
|
@ -1,453 +1,145 @@
|
||||||
{-# LANGUAGE OverloadedStrings #-}
|
module MetaBrush.Document where
|
||||||
{-# LANGUAGE UndecidableInstances #-}
|
|
||||||
|
|
||||||
module MetaBrush.Document
|
|
||||||
( AABB(..), mkAABB
|
|
||||||
, Document(..), DocumentContent(..)
|
|
||||||
, emptyDocument
|
|
||||||
, Stroke(..), StrokeHierarchy(..), visibleStrokes
|
|
||||||
, StrokeSpline, _strokeSpline, overStrokeSpline
|
|
||||||
, PointData(..), BrushPointData(..), DiffPointData(..)
|
|
||||||
, FocusState(..), Hoverable(..), HoverContext(..)
|
|
||||||
, Guide(..), Ruler(..)
|
|
||||||
, _selection, _coords, coords
|
|
||||||
, addGuide, selectedGuide
|
|
||||||
)
|
|
||||||
where
|
|
||||||
|
|
||||||
-- base
|
-- base
|
||||||
import Control.Monad.ST
|
|
||||||
( RealWorld )
|
|
||||||
import Data.Coerce
|
|
||||||
( coerce )
|
|
||||||
import Data.Functor.Identity
|
|
||||||
( Identity(..) )
|
|
||||||
import Data.Semigroup
|
|
||||||
( Arg(..), Min(..), ArgMin )
|
|
||||||
import Data.Typeable
|
|
||||||
( Typeable )
|
|
||||||
import GHC.Generics
|
import GHC.Generics
|
||||||
( Generic, Generic1 )
|
( Generic )
|
||||||
import GHC.TypeLits
|
|
||||||
( Symbol )
|
|
||||||
|
|
||||||
-- acts
|
|
||||||
import Data.Act
|
|
||||||
( Act(..), Torsor(..) )
|
|
||||||
|
|
||||||
-- containers
|
-- containers
|
||||||
import Data.Map.Strict
|
import Data.Map.Strict
|
||||||
( Map )
|
( Map )
|
||||||
import qualified Data.Map.Strict as Map
|
import qualified Data.Map.Strict as Map
|
||||||
( empty, insert )
|
import Data.Set
|
||||||
import Data.Sequence
|
( Set )
|
||||||
( Seq(..) )
|
import qualified Data.Set as Set
|
||||||
import qualified Data.Sequence as Seq
|
|
||||||
( empty, singleton )
|
|
||||||
|
|
||||||
-- deepseq
|
-- deepseq
|
||||||
import Control.DeepSeq
|
import Control.DeepSeq
|
||||||
( NFData(..), NFData1, deepseq )
|
( NFData(..) )
|
||||||
|
|
||||||
-- generic-lens
|
|
||||||
import Data.Generics.Product.Fields
|
|
||||||
( field' )
|
|
||||||
|
|
||||||
-- groups
|
|
||||||
import Data.Group
|
|
||||||
( Group(..) )
|
|
||||||
|
|
||||||
-- lens
|
|
||||||
import Control.Lens
|
|
||||||
( Lens'
|
|
||||||
, set, view, over
|
|
||||||
)
|
|
||||||
|
|
||||||
-- stm
|
|
||||||
import Control.Concurrent.STM
|
|
||||||
( STM )
|
|
||||||
|
|
||||||
-- text
|
-- text
|
||||||
import Data.Text
|
import Data.Text
|
||||||
( Text )
|
( Text )
|
||||||
|
|
||||||
-- transformers
|
-- brush-strokes
|
||||||
import Control.Monad.Trans.Reader
|
import Math.Linear
|
||||||
( ReaderT, runReaderT )
|
( ℝ(..), T(..) )
|
||||||
|
|
||||||
-- MetaBrush
|
-- MetaBrush
|
||||||
import Math.Bezier.Spline
|
import MetaBrush.Layer
|
||||||
( Spline(..), KnownSplineType )
|
( LayerMetadata, emptyHierarchy )
|
||||||
import Math.Bezier.Stroke
|
import MetaBrush.Stroke
|
||||||
( CachedStroke )
|
( StrokeHierarchy, PointIndex )
|
||||||
import Math.Module
|
|
||||||
( Module
|
|
||||||
( origin, (^+^), (^-^), (*^) )
|
|
||||||
, Inner((^.^))
|
|
||||||
, squaredNorm, quadrance
|
|
||||||
, closestPointOnSegment
|
|
||||||
)
|
|
||||||
import Math.Linear
|
|
||||||
( ℝ(..), T(..), Segment(..) )
|
|
||||||
import MetaBrush.Brush
|
|
||||||
( NamedBrush, PointFields )
|
|
||||||
import MetaBrush.Records
|
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
( UniqueSupply, Unique, freshUnique )
|
( Unique )
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
data AABB
|
|
||||||
= AABB
|
|
||||||
{ topLeft, botRight :: !( ℝ 2 ) }
|
|
||||||
deriving stock ( Show, Generic )
|
|
||||||
deriving anyclass NFData
|
|
||||||
|
|
||||||
mkAABB :: ℝ 2 -> ℝ 2 -> AABB
|
|
||||||
mkAABB ( ℝ2 x1 y1 ) ( ℝ2 x2 y2 ) = AABB ( ℝ2 xmin ymin ) ( ℝ2 xmax ymax )
|
|
||||||
where
|
|
||||||
( xmin, xmax )
|
|
||||||
| x1 > x2 = ( x2, x1 )
|
|
||||||
| otherwise = ( x1, x2 )
|
|
||||||
( ymin, ymax )
|
|
||||||
| y1 > y2 = ( y2, y1 )
|
|
||||||
| otherwise = ( y1, y2 )
|
|
||||||
|
|
||||||
-- | Document, together with some extra metadata.
|
-- | Document, together with some extra metadata.
|
||||||
data Document
|
data Document
|
||||||
= Document
|
= Document
|
||||||
{ displayName :: !Text
|
{ documentContent :: !DocumentContent
|
||||||
, mbFilePath :: !( Maybe FilePath )
|
-- ^ Main document content, which we keep track throughout history.
|
||||||
, viewportCenter :: !( ℝ 2 )
|
, documentMetadata :: !DocumentMetadata
|
||||||
, zoomFactor :: !Double
|
-- ^ Metadata about the document, that we don't track throughout history.
|
||||||
, documentUnique :: Unique
|
|
||||||
, documentContent :: !DocumentContent
|
|
||||||
}
|
}
|
||||||
deriving stock ( Show, Generic )
|
deriving stock ( Show, Generic )
|
||||||
deriving anyclass NFData
|
deriving anyclass NFData
|
||||||
|
|
||||||
-- | Main content of document (data which we kept track of throughout history).
|
newtype Zoom = Zoom { zoomFactor :: Double }
|
||||||
|
deriving stock ( Show, Eq, Ord )
|
||||||
|
deriving newtype NFData
|
||||||
|
|
||||||
|
-- | A collection of points, indexed first by the stroke they belong to
|
||||||
|
-- and then their position in that stroke.
|
||||||
|
newtype StrokePoints = StrokePoints { strokePoints :: Map Unique ( Set PointIndex ) }
|
||||||
|
deriving newtype ( Eq, Show, NFData )
|
||||||
|
-- Invariant: the sets are never empty.
|
||||||
|
|
||||||
|
instance Semigroup StrokePoints where
|
||||||
|
( StrokePoints pts1 ) <> ( StrokePoints pts2 ) =
|
||||||
|
StrokePoints ( Map.unionWith Set.union pts1 pts2 )
|
||||||
|
instance Monoid StrokePoints where
|
||||||
|
mempty = StrokePoints Map.empty
|
||||||
|
|
||||||
|
-- | Remove the second set of points from the first.
|
||||||
|
differenceStrokePoints :: StrokePoints -> StrokePoints -> StrokePoints
|
||||||
|
differenceStrokePoints ( StrokePoints pts1 ) ( StrokePoints pts2 ) =
|
||||||
|
StrokePoints $
|
||||||
|
Map.differenceWith remove pts1 pts2
|
||||||
|
where
|
||||||
|
remove :: Set PointIndex -> Set PointIndex -> Maybe ( Set PointIndex )
|
||||||
|
remove old new =
|
||||||
|
let new' = old Set.\\ new
|
||||||
|
in if null new'
|
||||||
|
then Nothing
|
||||||
|
else Just new'
|
||||||
|
|
||||||
|
noStrokePoints :: StrokePoints -> Bool
|
||||||
|
noStrokePoints ( StrokePoints pts ) = null pts
|
||||||
|
|
||||||
|
elemStrokePoint :: Unique -> PointIndex -> StrokePoints -> Bool
|
||||||
|
elemStrokePoint u i ( StrokePoints pts ) =
|
||||||
|
case Map.lookup u pts of
|
||||||
|
Nothing -> False
|
||||||
|
Just is -> Set.member i is
|
||||||
|
|
||||||
|
-- | Metadata about a document and its content, that we don't track through
|
||||||
|
-- history.
|
||||||
|
data DocumentMetadata =
|
||||||
|
Metadata
|
||||||
|
{ documentName :: !Text
|
||||||
|
, documentFilePath :: !( Maybe FilePath )
|
||||||
|
, viewportCenter :: !( ℝ 2 )
|
||||||
|
, documentZoom :: !Zoom
|
||||||
|
, documentGuides :: !( Map Unique Guide )
|
||||||
|
, layerMetadata :: !LayerMetadata
|
||||||
|
, selectedPoints :: !StrokePoints
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | Main content of document (data which we keep track of throughout history).
|
||||||
data DocumentContent
|
data DocumentContent
|
||||||
= Content
|
= Content
|
||||||
{ unsavedChanges :: !Bool
|
{ unsavedChanges :: !Bool
|
||||||
, latestChange :: !Text
|
-- ^ Whether this current content is unsaved.
|
||||||
, guides :: !( Map Unique Guide )
|
, strokeHierarchy :: !StrokeHierarchy
|
||||||
, strokes :: !( Seq StrokeHierarchy )
|
-- ^ Hierarchical structure of layers and groups.
|
||||||
}
|
}
|
||||||
deriving stock ( Show, Generic )
|
deriving stock ( Show, Generic )
|
||||||
deriving anyclass NFData
|
deriving anyclass NFData
|
||||||
|
|
||||||
-- | Hierarchy for groups of strokes.
|
-- | A guide, i.e. a horizontal or vertical line used for alignment.
|
||||||
data StrokeHierarchy
|
|
||||||
= StrokeGroup
|
|
||||||
{ groupName :: !Text
|
|
||||||
, groupVisible :: !Bool
|
|
||||||
, groupContents :: !( Seq StrokeHierarchy )
|
|
||||||
}
|
|
||||||
| StrokeLeaf
|
|
||||||
{ strokeLeaf :: !Stroke }
|
|
||||||
deriving stock ( Show, Generic )
|
|
||||||
deriving anyclass NFData
|
|
||||||
|
|
||||||
visibleStrokes :: StrokeHierarchy -> Seq Stroke
|
|
||||||
visibleStrokes ( StrokeGroup { groupVisible, groupContents } )
|
|
||||||
| groupVisible
|
|
||||||
= foldMap visibleStrokes groupContents
|
|
||||||
| otherwise
|
|
||||||
= Empty
|
|
||||||
visibleStrokes ( StrokeLeaf { strokeLeaf } )
|
|
||||||
| strokeVisible strokeLeaf
|
|
||||||
= Seq.singleton strokeLeaf
|
|
||||||
| otherwise
|
|
||||||
= Empty
|
|
||||||
|
|
||||||
type StrokeSpline clo brushParams =
|
|
||||||
Spline clo ( CachedStroke RealWorld ) ( PointData brushParams )
|
|
||||||
|
|
||||||
data Stroke where
|
|
||||||
Stroke
|
|
||||||
:: forall clo pointParams ( pointFields :: [ Symbol ] ) ( brushFields :: [ Symbol ] )
|
|
||||||
. ( KnownSplineType clo
|
|
||||||
, pointParams ~ Record pointFields
|
|
||||||
, PointFields pointFields, Typeable pointFields
|
|
||||||
)
|
|
||||||
=>
|
|
||||||
{ strokeName :: !Text
|
|
||||||
, strokeVisible :: !Bool
|
|
||||||
, strokeUnique :: Unique
|
|
||||||
, strokeBrush :: !( Maybe ( NamedBrush brushFields ) )
|
|
||||||
, strokeSpline :: !( StrokeSpline clo pointParams )
|
|
||||||
}
|
|
||||||
-> Stroke
|
|
||||||
deriving stock instance Show Stroke
|
|
||||||
instance NFData Stroke where
|
|
||||||
rnf ( Stroke { strokeName, strokeVisible, strokeUnique, strokeBrush, strokeSpline } )
|
|
||||||
= deepseq strokeSpline
|
|
||||||
. deepseq strokeBrush
|
|
||||||
. deepseq strokeUnique
|
|
||||||
. deepseq strokeVisible
|
|
||||||
$ rnf strokeName
|
|
||||||
|
|
||||||
_strokeSpline
|
|
||||||
:: forall f
|
|
||||||
. Functor f
|
|
||||||
=> ( forall clo pointParams ( pointFields :: [ Symbol ] )
|
|
||||||
. ( KnownSplineType clo
|
|
||||||
, pointParams ~ Record pointFields
|
|
||||||
, PointFields pointFields
|
|
||||||
)
|
|
||||||
=> StrokeSpline clo pointParams
|
|
||||||
-> f ( StrokeSpline clo pointParams )
|
|
||||||
)
|
|
||||||
-> Stroke -> f Stroke
|
|
||||||
_strokeSpline f ( Stroke { strokeSpline = oldStrokeSpline, .. } )
|
|
||||||
= ( \ newSpline -> Stroke { strokeSpline = newSpline, .. } ) <$> f oldStrokeSpline
|
|
||||||
|
|
||||||
overStrokeSpline
|
|
||||||
:: ( forall clo pointParams ( pointFields :: [ Symbol ] )
|
|
||||||
. ( KnownSplineType clo
|
|
||||||
, pointParams ~ Record pointFields
|
|
||||||
, PointFields pointFields
|
|
||||||
)
|
|
||||||
=> StrokeSpline clo pointParams
|
|
||||||
-> StrokeSpline clo pointParams
|
|
||||||
)
|
|
||||||
-> Stroke -> Stroke
|
|
||||||
overStrokeSpline f = coerce ( _strokeSpline @Identity ( coerce . f ) )
|
|
||||||
|
|
||||||
|
|
||||||
data PointData params
|
|
||||||
= PointData
|
|
||||||
{ pointCoords :: !( ℝ 2 )
|
|
||||||
, pointState :: FocusState
|
|
||||||
, brushParams :: !params
|
|
||||||
}
|
|
||||||
deriving stock ( Show, Generic )
|
|
||||||
deriving anyclass NFData
|
|
||||||
|
|
||||||
instance Act (T ( ℝ 2 )) (PointData params) where
|
|
||||||
v • ( dat@( PointData { pointCoords = p } ) ) =
|
|
||||||
dat { pointCoords = v • p }
|
|
||||||
|
|
||||||
data BrushPointData
|
|
||||||
= BrushPointData
|
|
||||||
{ brushPointState :: FocusState }
|
|
||||||
deriving stock ( Show, Generic )
|
|
||||||
deriving anyclass NFData
|
|
||||||
|
|
||||||
data FocusState
|
|
||||||
= Normal
|
|
||||||
| Hover
|
|
||||||
| Selected
|
|
||||||
deriving stock ( Show, Eq, Generic )
|
|
||||||
deriving anyclass NFData
|
|
||||||
|
|
||||||
instance Semigroup FocusState where
|
|
||||||
Selected <> _ = Selected
|
|
||||||
Normal <> s = s
|
|
||||||
_ <> Selected = Selected
|
|
||||||
s <> Normal = s
|
|
||||||
_ <> _ = Hover
|
|
||||||
instance Monoid FocusState where
|
|
||||||
mempty = Normal
|
|
||||||
|
|
||||||
emptyDocument :: Text -> Unique -> Document
|
|
||||||
emptyDocument docName unique =
|
|
||||||
Document
|
|
||||||
{ displayName = docName
|
|
||||||
, mbFilePath = Nothing
|
|
||||||
, viewportCenter = ℝ2 0 0
|
|
||||||
, zoomFactor = 1
|
|
||||||
, documentUnique = unique
|
|
||||||
, documentContent =
|
|
||||||
Content
|
|
||||||
{ unsavedChanges = False
|
|
||||||
, latestChange = "New document"
|
|
||||||
, strokes = Seq.empty
|
|
||||||
, guides = Map.empty
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
data HoverContext
|
|
||||||
= MouseHover !( ℝ 2 )
|
|
||||||
| RectangleHover !AABB
|
|
||||||
deriving stock ( Show, Generic )
|
|
||||||
deriving anyclass NFData
|
|
||||||
|
|
||||||
instance Act ( T ( ℝ 2 ) ) HoverContext where
|
|
||||||
v • MouseHover p = MouseHover ( v • p )
|
|
||||||
v • RectangleHover ( AABB p1 p2 ) = RectangleHover ( AABB ( v • p1 ) ( v • p2 ) )
|
|
||||||
|
|
||||||
instance Act ( T ( ℝ 2 ) ) ( Maybe HoverContext ) where
|
|
||||||
(•) v = fmap ( v • )
|
|
||||||
|
|
||||||
class Hoverable a where
|
|
||||||
hovered :: Maybe HoverContext -> Double -> a -> FocusState
|
|
||||||
|
|
||||||
instance Hoverable ( ℝ 2 ) where
|
|
||||||
hovered Nothing _ _ = Normal
|
|
||||||
hovered ( Just ( MouseHover p ) ) zoom q
|
|
||||||
| quadrance @( T ( ℝ 2 ) ) p q * zoom ^ ( 2 :: Int ) < 16
|
|
||||||
= Hover
|
|
||||||
| otherwise
|
|
||||||
= Normal
|
|
||||||
hovered ( Just ( RectangleHover ( AABB ( ℝ2 x1 y1 ) ( ℝ2 x2 y2 ) ) ) ) _ ( ℝ2 x y )
|
|
||||||
| x >= x1 && x <= x2 && y >= y1 && y <= y2
|
|
||||||
= Hover
|
|
||||||
| otherwise
|
|
||||||
= Normal
|
|
||||||
|
|
||||||
instance Hoverable ( Segment ( ℝ 2 ) ) where
|
|
||||||
hovered Nothing _ _ = Normal
|
|
||||||
hovered ( Just ( MouseHover p ) ) zoom seg
|
|
||||||
= hovered ( Just ( MouseHover p ) ) zoom p'
|
|
||||||
where
|
|
||||||
( _, p' ) = closestPointOnSegment @( T ( ℝ 2 ) ) p seg
|
|
||||||
hovered hov@( Just ( RectangleHover {} ) ) zoom ( Segment p0 p1 )
|
|
||||||
-- Only consider a segment to be "hovered" if it lies entirely within the
|
|
||||||
-- hover rectangle, not just if the hover rectangle intersects it.
|
|
||||||
= hovered hov zoom p0 <> hovered hov zoom p1
|
|
||||||
|
|
||||||
class HasSelection pt where
|
|
||||||
_selection :: Lens' pt FocusState
|
|
||||||
instance HasSelection ( PointData brushParams ) where
|
|
||||||
_selection = field' @"pointState"
|
|
||||||
instance HasSelection BrushPointData where
|
|
||||||
_selection = field' @"brushPointState"
|
|
||||||
|
|
||||||
_coords :: Lens' ( PointData brushParams ) ( ℝ 2 )
|
|
||||||
_coords = field' @"pointCoords"
|
|
||||||
|
|
||||||
coords :: PointData brushParams -> ℝ 2
|
|
||||||
coords = view _coords
|
|
||||||
|
|
||||||
data FocusDifference
|
|
||||||
= DifferentFocus
|
|
||||||
| SameFocus
|
|
||||||
deriving stock ( Show, Generic )
|
|
||||||
deriving anyclass NFData
|
|
||||||
|
|
||||||
instance Semigroup FocusDifference where
|
|
||||||
SameFocus <> SameFocus = SameFocus
|
|
||||||
_ <> _ = DifferentFocus
|
|
||||||
|
|
||||||
instance Monoid FocusDifference where
|
|
||||||
mempty = SameFocus
|
|
||||||
|
|
||||||
instance Group FocusDifference where
|
|
||||||
invert = id
|
|
||||||
|
|
||||||
data DiffPointData diffBrushParams
|
|
||||||
= DiffPointData
|
|
||||||
{ diffVector :: !( T ( ℝ 2 ) )
|
|
||||||
, diffParams :: !diffBrushParams
|
|
||||||
, diffState :: !FocusDifference
|
|
||||||
}
|
|
||||||
deriving stock ( Show, Generic, Generic1, Functor, Foldable, Traversable )
|
|
||||||
deriving anyclass ( NFData, NFData1 )
|
|
||||||
|
|
||||||
instance Module Double diffBrushParams => Semigroup ( DiffPointData diffBrushParams ) where
|
|
||||||
DiffPointData v1 p1 s1 <> DiffPointData v2 p2 s2 =
|
|
||||||
DiffPointData ( v1 <> v2 ) ( p1 ^+^ p2 ) ( s1 <> s2 )
|
|
||||||
instance Module Double diffBrushParams => Monoid ( DiffPointData diffBrushParams ) where
|
|
||||||
mempty = DiffPointData mempty origin mempty
|
|
||||||
instance Module Double diffBrushParams => Group ( DiffPointData diffBrushParams ) where
|
|
||||||
invert ( DiffPointData v1 p1 s1 ) =
|
|
||||||
DiffPointData ( invert v1 ) ( -1 *^ p1 ) ( invert s1 )
|
|
||||||
|
|
||||||
instance ( Module Double diffBrushParams, Act diffBrushParams brushParams )
|
|
||||||
=> Act ( DiffPointData diffBrushParams ) ( PointData brushParams ) where
|
|
||||||
(•) ( DiffPointData { diffVector = dp, diffParams = db, diffState = focusDiff } )
|
|
||||||
= over _coords ( dp • )
|
|
||||||
. over ( field' @"brushParams" ) ( db • )
|
|
||||||
. ( case focusDiff of { SameFocus -> id; DifferentFocus -> set ( field' @"pointState" ) Normal } )
|
|
||||||
instance ( Module Double diffBrushParams, Torsor diffBrushParams brushParams )
|
|
||||||
=> Torsor ( DiffPointData diffBrushParams ) ( PointData brushParams ) where
|
|
||||||
( PointData { pointCoords = p1, brushParams = b1, pointState = s1 } ) <-- ( PointData { pointCoords = p2, brushParams = b2, pointState = s2 } ) =
|
|
||||||
DiffPointData
|
|
||||||
{ diffVector = p1 <-- p2
|
|
||||||
, diffParams = b1 <-- b2
|
|
||||||
, diffState = if s1 == s2 then SameFocus else DifferentFocus
|
|
||||||
}
|
|
||||||
instance Module Double brushParams => Module Double ( DiffPointData brushParams ) where
|
|
||||||
origin = mempty
|
|
||||||
(^+^) = (<>)
|
|
||||||
x ^-^ y = x <> invert y
|
|
||||||
d *^ DiffPointData v1 p1 s1 = DiffPointData ( d *^ v1 ) ( d *^ p1 ) s1
|
|
||||||
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
|
||||||
-- Guides.
|
|
||||||
|
|
||||||
data Guide
|
data Guide
|
||||||
= Guide
|
= Guide
|
||||||
{ guidePoint :: !( ℝ 2 ) -- ^ point on the guide line
|
{ guidePoint :: !( ℝ 2 ) -- ^ point on the guide line
|
||||||
, guideNormal :: !( T ( ℝ 2 ) ) -- ^ /normalised/ normal vector of the guide
|
, guideNormal :: !( T ( ℝ 2 ) ) -- ^ /normalised/ normal vector of the guide
|
||||||
, guideFocus :: !FocusState
|
|
||||||
, guideUnique :: Unique
|
|
||||||
}
|
}
|
||||||
deriving stock ( Show, Generic )
|
deriving stock ( Show, Generic )
|
||||||
deriving anyclass NFData
|
deriving anyclass NFData
|
||||||
|
|
||||||
data Ruler
|
emptyDocument :: Text -> Document
|
||||||
= RulerCorner
|
emptyDocument docName =
|
||||||
| LeftRuler
|
Document
|
||||||
| TopRuler
|
{ documentContent = emptyDocumentContent
|
||||||
deriving stock Show
|
, documentMetadata = emptyDocumentMetadata docName
|
||||||
|
}
|
||||||
|
|
||||||
-- | Try to select a guide at the given document coordinates.
|
emptyDocumentContent :: DocumentContent
|
||||||
selectedGuide :: ℝ 2 -> Document -> Maybe Guide
|
emptyDocumentContent =
|
||||||
selectedGuide c ( Document { zoomFactor, documentContent = Content { guides } } ) =
|
Content
|
||||||
\case { Min ( Arg _ g ) -> g } <$> foldMap ( selectGuide_maybe c zoomFactor ) guides
|
{ strokeHierarchy = emptyHierarchy
|
||||||
|
, unsavedChanges = False
|
||||||
|
}
|
||||||
|
|
||||||
selectGuide_maybe :: ℝ 2 -> Double -> Guide -> Maybe ( ArgMin Double Guide )
|
emptyDocumentMetadata :: Text -> DocumentMetadata
|
||||||
selectGuide_maybe c zoom guide@( Guide { guidePoint = p, guideNormal = n } )
|
emptyDocumentMetadata docName =
|
||||||
| sqDist * zoom ^ ( 2 :: Int ) < 4
|
Metadata
|
||||||
= Just ( Min ( Arg sqDist guide ) )
|
{ documentName = docName
|
||||||
| otherwise
|
, documentFilePath = Nothing
|
||||||
= Nothing
|
, viewportCenter = ℝ2 0 0
|
||||||
where
|
, documentZoom = Zoom { zoomFactor = 1 }
|
||||||
t :: Double
|
, documentGuides = Map.empty
|
||||||
t = ( c --> p ) ^.^ n
|
, layerMetadata = mempty
|
||||||
sqDist :: Double
|
, selectedPoints = mempty
|
||||||
sqDist = t ^ ( 2 :: Int ) / squaredNorm n
|
}
|
||||||
|
|
||||||
-- | Add new guide after a mouse drag from a ruler area.
|
|
||||||
addGuide :: UniqueSupply -> Ruler -> ℝ 2 -> Document -> STM Document
|
|
||||||
addGuide uniqueSupply ruler p doc = ( `runReaderT` uniqueSupply ) $ ( field' @"documentContent" . field' @"guides" ) insertNewGuides doc
|
|
||||||
where
|
|
||||||
insertNewGuides :: Map Unique Guide -> ReaderT UniqueSupply STM ( Map Unique Guide )
|
|
||||||
insertNewGuides gs = case ruler of
|
|
||||||
RulerCorner
|
|
||||||
-> do
|
|
||||||
uniq1 <- freshUnique
|
|
||||||
uniq2 <- freshUnique
|
|
||||||
let
|
|
||||||
guide1, guide2 :: Guide
|
|
||||||
guide1 = Guide { guidePoint = p, guideNormal = V2 0 1, guideFocus = Normal, guideUnique = uniq1 }
|
|
||||||
guide2 = Guide { guidePoint = p, guideNormal = V2 1 0, guideFocus = Normal, guideUnique = uniq2 }
|
|
||||||
pure ( Map.insert uniq2 guide2 . Map.insert uniq1 guide1 $ gs )
|
|
||||||
TopRuler
|
|
||||||
-> do
|
|
||||||
uniq1 <- freshUnique
|
|
||||||
let
|
|
||||||
guide1 :: Guide
|
|
||||||
guide1 = Guide { guidePoint = p, guideNormal = V2 0 1, guideFocus = Normal, guideUnique = uniq1 }
|
|
||||||
pure ( Map.insert uniq1 guide1 gs )
|
|
||||||
LeftRuler
|
|
||||||
-> do
|
|
||||||
uniq2 <- freshUnique
|
|
||||||
let
|
|
||||||
guide2 :: Guide
|
|
||||||
guide2 = Guide { guidePoint = p, guideNormal = V2 1 0, guideFocus = Normal, guideUnique = uniq2 }
|
|
||||||
pure ( Map.insert uniq2 guide2 gs )
|
|
||||||
|
|
||||||
instance Hoverable Guide where
|
|
||||||
hovered ( Just ( MouseHover c ) ) zoom guide
|
|
||||||
| Just _ <- selectGuide_maybe c zoom guide
|
|
||||||
= Hover
|
|
||||||
| otherwise
|
|
||||||
= Normal
|
|
||||||
hovered _ _ _ = Normal
|
|
||||||
|
|
176
src/metabrushes/MetaBrush/Document/Diff.hs
Normal file
176
src/metabrushes/MetaBrush/Document/Diff.hs
Normal file
|
@ -0,0 +1,176 @@
|
||||||
|
module MetaBrush.Document.Diff where
|
||||||
|
|
||||||
|
-- base
|
||||||
|
import qualified Data.List.NonEmpty as NE
|
||||||
|
import GHC.Generics
|
||||||
|
( Generic )
|
||||||
|
|
||||||
|
-- containers
|
||||||
|
import Data.Set
|
||||||
|
( Set )
|
||||||
|
|
||||||
|
-- deepseq
|
||||||
|
import Control.DeepSeq
|
||||||
|
( NFData(..) )
|
||||||
|
|
||||||
|
-- brush-strokes
|
||||||
|
import Math.Bezier.Spline
|
||||||
|
import Math.Linear
|
||||||
|
( ℝ(..), T(..) )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import qualified MetaBrush.Brush.Widget as Brush
|
||||||
|
( WidgetAction(..) )
|
||||||
|
import MetaBrush.Document
|
||||||
|
( StrokePoints )
|
||||||
|
import MetaBrush.Layer
|
||||||
|
import MetaBrush.Stroke
|
||||||
|
import MetaBrush.Unique
|
||||||
|
( Unique )
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
-- | A change to a document.
|
||||||
|
data Diff
|
||||||
|
= TrivialDiff
|
||||||
|
| HistoryDiff !HistoryDiff
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | A change to a document that affects history.
|
||||||
|
data HistoryDiff
|
||||||
|
= DocumentDiff !DocumentDiff
|
||||||
|
| HierarchyDiff !HierarchyDiff
|
||||||
|
| ContentDiff !ContentDiff
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | A change of document (e.g. new document).
|
||||||
|
data DocumentDiff
|
||||||
|
= DocumentCreated
|
||||||
|
| DocumentOpened
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | A change in the layer hierarchy of a document.
|
||||||
|
data HierarchyDiff
|
||||||
|
= NewLayer
|
||||||
|
{ newUnique :: !Unique
|
||||||
|
, newPosition :: !ChildLayerPosition
|
||||||
|
}
|
||||||
|
| DeleteLayer
|
||||||
|
{ delUnique :: !Unique
|
||||||
|
, delPosition :: !ChildLayerPosition
|
||||||
|
}
|
||||||
|
| MoveLayer
|
||||||
|
{ moveUnique :: !Unique
|
||||||
|
, srcPos :: !ChildLayerPosition
|
||||||
|
, dstPos :: !ChildLayerPosition
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | A subdivision of a single stroke.
|
||||||
|
data Subdivision
|
||||||
|
= Subdivision
|
||||||
|
{ subdividedStroke :: !Unique
|
||||||
|
, subdivisions :: !( NE.NonEmpty ( Curve Open () (), Double ) )
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
data SelectionMode
|
||||||
|
= New
|
||||||
|
| Add
|
||||||
|
| Subtract
|
||||||
|
deriving stock ( Show, Eq, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
instance Semigroup SelectionMode where
|
||||||
|
Subtract <> _ = Subtract
|
||||||
|
_ <> Subtract = Subtract
|
||||||
|
New <> m = m
|
||||||
|
m <> New = m
|
||||||
|
Add <> Add = Add
|
||||||
|
|
||||||
|
instance Monoid SelectionMode where
|
||||||
|
mempty = New
|
||||||
|
|
||||||
|
-- | A change in the content of strokes in the document.
|
||||||
|
data ContentDiff
|
||||||
|
= Translation
|
||||||
|
{ translationVector :: !( T ( ℝ 2 ) )
|
||||||
|
, translatedPoints :: !StrokePoints
|
||||||
|
}
|
||||||
|
| DragMove
|
||||||
|
{ dragMoveSelection :: !DragMoveSelect
|
||||||
|
, dragVector :: !( T ( ℝ 2 ) )
|
||||||
|
, draggedPoints :: !StrokePoints
|
||||||
|
}
|
||||||
|
| CloseStroke
|
||||||
|
{ closedStroke :: !Unique }
|
||||||
|
| ContinueStroke
|
||||||
|
{ continuedStroke :: !Unique
|
||||||
|
, newSegment :: !( Spline Open () () )
|
||||||
|
}
|
||||||
|
| DeletePoints
|
||||||
|
{ deletedPoints :: !StrokePoints
|
||||||
|
, deletedStrokes :: !( Set Unique)
|
||||||
|
}
|
||||||
|
| UpdateBrushParameters
|
||||||
|
{ updateBrushStroke :: !Unique
|
||||||
|
, updateBrushPoint :: !PointIndex
|
||||||
|
, updateBrushAction :: !Brush.WidgetAction
|
||||||
|
}
|
||||||
|
| SubdivideStroke !Subdivision
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | Type of a drag move selection: point drag or curve drag.
|
||||||
|
data DragMoveSelect
|
||||||
|
-- | User initiated drag by clicking on a point.
|
||||||
|
= ClickedOnPoint
|
||||||
|
{ dragPoint :: !( Unique, PointIndex )
|
||||||
|
, dragPointWasSelected :: !Bool
|
||||||
|
-- ^ Whether the drag point was already selected
|
||||||
|
-- before beginning the drag.
|
||||||
|
}
|
||||||
|
-- | User initiated drag by clicking on an interior point of a curve;
|
||||||
|
-- start a curve drag, selection is preserved.
|
||||||
|
| ClickedOnCurve
|
||||||
|
{ dragStrokeUnique :: !Unique
|
||||||
|
, dragCurve :: !Rational
|
||||||
|
, dragCurveIndex :: !Int
|
||||||
|
, dragCurveParameter :: !Double
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Eq, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
{-
|
||||||
|
changeText :: LayerMetadata -> ChangeDescription -> Text
|
||||||
|
changeText metadata = \case
|
||||||
|
TrivialChange -> "(trivial change)"
|
||||||
|
HistoryChange ch -> historyChangeText metadata ch
|
||||||
|
|
||||||
|
historyChangeText :: LayerMetadata -> HistoryChangeDescription -> Text
|
||||||
|
historyChangeText metadata = \case
|
||||||
|
DocumentCreated -> "Create document"
|
||||||
|
DocumentOpened -> "Open document"
|
||||||
|
Translation pathPointsAffected controlPointsAffected strokesAffected ->
|
||||||
|
let
|
||||||
|
ppMv, cpMv :: Maybe Text
|
||||||
|
ppMv
|
||||||
|
| pathPointsAffected == 0
|
||||||
|
= Nothing
|
||||||
|
| otherwise
|
||||||
|
= Just ( Text.pack ( show pathPointsAffected ) <> " path points" )
|
||||||
|
cpMv
|
||||||
|
| controlPointsAffected == 0
|
||||||
|
= Nothing
|
||||||
|
| otherwise
|
||||||
|
= Just ( Text.pack ( show controlPointsAffected ) <> " control points" )
|
||||||
|
in "Translate " <> Text.intercalate " and " ( catMaybes [ ppMv, cpMv ] )
|
||||||
|
<> " across " <> Text.pack ( show $ length strokesAffected ) <> " strokes"
|
||||||
|
DragCurveSegment strokeUnique ->
|
||||||
|
"Drag curve segment of stroke " <> ( layerNames metadata Map.! strokeUnique )
|
||||||
|
-}
|
|
@ -1,262 +0,0 @@
|
||||||
{-# LANGUAGE OverloadedStrings #-}
|
|
||||||
{-# LANGUAGE ScopedTypeVariables #-}
|
|
||||||
|
|
||||||
module MetaBrush.Document.Draw
|
|
||||||
( DrawAnchor(..), anchorsAreComplementary
|
|
||||||
, getOrCreateDrawAnchor, addToAnchor
|
|
||||||
, withAnchorBrushData
|
|
||||||
)
|
|
||||||
where
|
|
||||||
|
|
||||||
-- base
|
|
||||||
import Data.Coerce
|
|
||||||
( coerce )
|
|
||||||
import Data.Functor
|
|
||||||
( ($>) )
|
|
||||||
import Data.Semigroup
|
|
||||||
( First(..) )
|
|
||||||
import GHC.TypeLits
|
|
||||||
( Symbol )
|
|
||||||
|
|
||||||
-- acts
|
|
||||||
import Data.Act
|
|
||||||
( Torsor((-->)) )
|
|
||||||
|
|
||||||
-- containers
|
|
||||||
import Data.Sequence
|
|
||||||
( Seq(..) )
|
|
||||||
|
|
||||||
-- generic-lens
|
|
||||||
import Data.Generics.Product.Fields
|
|
||||||
( field, field' )
|
|
||||||
|
|
||||||
-- lens
|
|
||||||
import Control.Lens
|
|
||||||
( set, over, mapped )
|
|
||||||
|
|
||||||
-- stm
|
|
||||||
import Control.Concurrent.STM
|
|
||||||
( STM )
|
|
||||||
|
|
||||||
-- text
|
|
||||||
import Data.Text
|
|
||||||
( Text )
|
|
||||||
|
|
||||||
-- transformers
|
|
||||||
import Control.Monad.Trans.State.Strict
|
|
||||||
( State, runState, get, put )
|
|
||||||
import Control.Monad.Trans.Reader
|
|
||||||
( runReaderT )
|
|
||||||
|
|
||||||
-- MetaBrush
|
|
||||||
import Math.Bezier.Spline
|
|
||||||
( Spline(..), Curves(..)
|
|
||||||
, SplineType(..), SSplineType(..)
|
|
||||||
, SplineTypeI(ssplineType)
|
|
||||||
, reverseSpline, splineEnd
|
|
||||||
, openCurveEnd
|
|
||||||
)
|
|
||||||
import Math.Module
|
|
||||||
( squaredNorm )
|
|
||||||
import Math.Linear
|
|
||||||
( ℝ(..), T(..) )
|
|
||||||
import MetaBrush.Assert
|
|
||||||
( assert )
|
|
||||||
import MetaBrush.Brush
|
|
||||||
( NamedBrush(..), PointFields )
|
|
||||||
import MetaBrush.Document
|
|
||||||
( Document(..), DocumentContent(..)
|
|
||||||
, Stroke(..), StrokeHierarchy(..), StrokeSpline
|
|
||||||
, FocusState(..), PointData(..)
|
|
||||||
, _selection, _strokeSpline
|
|
||||||
, coords, overStrokeSpline
|
|
||||||
)
|
|
||||||
import MetaBrush.Records
|
|
||||||
import MetaBrush.Unique
|
|
||||||
( Unique, UniqueSupply, freshUnique, uniqueText )
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
data DrawAnchor
|
|
||||||
= AnchorAtStart { anchorStrokeUnique :: Unique }
|
|
||||||
| AnchorAtEnd { anchorStrokeUnique :: Unique }
|
|
||||||
deriving stock Show
|
|
||||||
|
|
||||||
-- | Computes whether two anchors are the two ends of the same stroke.
|
|
||||||
anchorsAreComplementary :: DrawAnchor -> DrawAnchor -> Bool
|
|
||||||
anchorsAreComplementary ( AnchorAtStart uniq1 ) ( AnchorAtEnd uniq2 )
|
|
||||||
| uniq1 == uniq2
|
|
||||||
= True
|
|
||||||
anchorsAreComplementary ( AnchorAtEnd uniq1 ) ( AnchorAtStart uniq2 )
|
|
||||||
| uniq1 == uniq2
|
|
||||||
= True
|
|
||||||
anchorsAreComplementary _ _ = False
|
|
||||||
|
|
||||||
getOrCreateDrawAnchor
|
|
||||||
:: UniqueSupply
|
|
||||||
-> ℝ 2
|
|
||||||
-> Document
|
|
||||||
-> STM ( Document, DrawAnchor, ℝ 2, Maybe Text )
|
|
||||||
getOrCreateDrawAnchor uniqueSupply c doc@( Document { zoomFactor } ) =
|
|
||||||
case
|
|
||||||
( `runState` Nothing )
|
|
||||||
$ ( field' @"documentContent" . field' @"strokes" . traverse )
|
|
||||||
updateStrokeHierarchy
|
|
||||||
doc
|
|
||||||
of
|
|
||||||
-- Anchor found: use it.
|
|
||||||
( newDoc, Just ( ( anchor, anchorPt ), anchorName ) ) ->
|
|
||||||
pure ( newDoc, anchor, anchorPt, Just anchorName )
|
|
||||||
-- No anchor found: start a new stroke (on a new stroke layer).
|
|
||||||
( newDoc, Nothing ) -> do
|
|
||||||
uniq <- runReaderT freshUnique uniqueSupply
|
|
||||||
let
|
|
||||||
newSpline :: StrokeSpline Open ( Record ( '[] :: [ Symbol ] ) )
|
|
||||||
newSpline =
|
|
||||||
Spline { splineStart = PointData c Normal ( MkR ℝ0 )
|
|
||||||
, splineCurves = OpenCurves Empty
|
|
||||||
}
|
|
||||||
newStroke :: Stroke
|
|
||||||
newStroke =
|
|
||||||
Stroke
|
|
||||||
{ strokeName = "Stroke " <> uniqueText uniq
|
|
||||||
, strokeVisible = True
|
|
||||||
, strokeUnique = uniq
|
|
||||||
, strokeSpline = newSpline
|
|
||||||
, strokeBrush = Nothing :: Maybe ( NamedBrush ( '[] :: [ Symbol ] ) )
|
|
||||||
}
|
|
||||||
newDoc' :: Document
|
|
||||||
newDoc'
|
|
||||||
= over ( field' @"documentContent" . field' @"strokes" )
|
|
||||||
( StrokeLeaf newStroke :<| )
|
|
||||||
newDoc
|
|
||||||
pure ( newDoc', AnchorAtEnd uniq, c, Nothing )
|
|
||||||
where
|
|
||||||
-- Deselect all points, and try to find a valid anchor for drawing
|
|
||||||
-- (a path start/end point at mouse click point).
|
|
||||||
|
|
||||||
updateStrokeHierarchy :: StrokeHierarchy -> State ( Maybe ( ( DrawAnchor, ℝ 2 ), Text ) ) StrokeHierarchy
|
|
||||||
updateStrokeHierarchy ( StrokeGroup { .. } ) = do
|
|
||||||
newContents <- traverse updateStrokeHierarchy groupContents
|
|
||||||
pure ( StrokeGroup { groupContents = newContents, .. } )
|
|
||||||
updateStrokeHierarchy ( StrokeLeaf { strokeLeaf } ) = StrokeLeaf <$> updateStroke strokeLeaf
|
|
||||||
|
|
||||||
updateStroke :: Stroke -> State ( Maybe ( ( DrawAnchor, ℝ 2 ), Text ) ) Stroke
|
|
||||||
updateStroke stroke@( Stroke { strokeName, strokeVisible, strokeUnique } ) = _strokeSpline updateStrokeSpline stroke
|
|
||||||
|
|
||||||
where
|
|
||||||
updateStrokeSpline
|
|
||||||
:: forall clo brushParams
|
|
||||||
. SplineTypeI clo
|
|
||||||
=> StrokeSpline clo brushParams
|
|
||||||
-> State ( Maybe ( ( DrawAnchor, ℝ 2 ), Text ) ) ( StrokeSpline clo brushParams )
|
|
||||||
updateStrokeSpline spline = do
|
|
||||||
|
|
||||||
mbAnchor <- get
|
|
||||||
case mbAnchor of
|
|
||||||
-- If we haven't already found an anchor,
|
|
||||||
-- and the current point is a valid candidate,
|
|
||||||
-- then select it as an anchor for the drawing operation.
|
|
||||||
Nothing
|
|
||||||
| strokeVisible
|
|
||||||
, Just anchor <- endpointAnchor strokeUnique spline
|
|
||||||
-> put ( Just ( anchor, strokeName ) )
|
|
||||||
$> set ( mapped . _selection ) Normal spline
|
|
||||||
-- Otherwise, just deselect.
|
|
||||||
_ -> pure $ set ( mapped . _selection ) Normal spline
|
|
||||||
|
|
||||||
where
|
|
||||||
-- See if we can anchor a drawing operation on a given (visible) stroke.
|
|
||||||
endpointAnchor :: Unique -> StrokeSpline clo brushParams -> Maybe ( DrawAnchor, ℝ 2 )
|
|
||||||
endpointAnchor uniq ( Spline { splineStart, splineCurves } ) = case ssplineType @clo of
|
|
||||||
SOpen
|
|
||||||
| let
|
|
||||||
p0 :: ℝ 2
|
|
||||||
p0 = coords splineStart
|
|
||||||
, inPointClickRange p0
|
|
||||||
-> Just ( AnchorAtStart uniq, p0 )
|
|
||||||
| OpenCurves ( _ :|> lastCurve ) <- splineCurves
|
|
||||||
, let
|
|
||||||
pn :: ℝ 2
|
|
||||||
pn = coords ( openCurveEnd lastCurve )
|
|
||||||
, inPointClickRange pn
|
|
||||||
-> Just ( AnchorAtEnd uniq, pn )
|
|
||||||
_ -> Nothing
|
|
||||||
inPointClickRange :: ℝ 2 -> Bool
|
|
||||||
inPointClickRange p =
|
|
||||||
squaredNorm ( c --> p :: T ( ℝ 2 ) ) < 16 / ( zoomFactor * zoomFactor )
|
|
||||||
|
|
||||||
addToAnchor :: DrawAnchor -> StrokeSpline Open () -> Document -> Document
|
|
||||||
addToAnchor anchor newSpline = over ( field' @"documentContent" . field' @"strokes" . mapped ) updateStrokeHierarchy
|
|
||||||
where
|
|
||||||
|
|
||||||
updateStrokeHierarchy :: StrokeHierarchy -> StrokeHierarchy
|
|
||||||
updateStrokeHierarchy ( StrokeGroup { .. } ) =
|
|
||||||
let
|
|
||||||
newContents = fmap updateStrokeHierarchy groupContents
|
|
||||||
in
|
|
||||||
StrokeGroup { groupContents = newContents, .. }
|
|
||||||
updateStrokeHierarchy ( StrokeLeaf { strokeLeaf } ) = StrokeLeaf $ updateStroke strokeLeaf
|
|
||||||
|
|
||||||
updateStroke :: Stroke -> Stroke
|
|
||||||
updateStroke stroke@( Stroke { strokeUnique } )
|
|
||||||
| strokeUnique == anchorStrokeUnique anchor
|
|
||||||
, let
|
|
||||||
updateSpline
|
|
||||||
:: forall clo brushData
|
|
||||||
. SplineTypeI clo
|
|
||||||
=> StrokeSpline clo brushData -> StrokeSpline clo brushData
|
|
||||||
updateSpline prevSpline
|
|
||||||
| SOpen <- ssplineType @clo
|
|
||||||
= case anchor of
|
|
||||||
AnchorAtStart _ ->
|
|
||||||
let
|
|
||||||
setBrushData :: PointData () -> PointData brushData
|
|
||||||
setBrushData = set ( field @"brushParams" ) ( brushParams ( splineStart prevSpline ) )
|
|
||||||
in fmap setBrushData ( reverseSpline newSpline ) <> prevSpline
|
|
||||||
AnchorAtEnd _ ->
|
|
||||||
let
|
|
||||||
setBrushData :: PointData () -> PointData brushData
|
|
||||||
setBrushData = set ( field @"brushParams" ) ( brushParams ( splineEnd prevSpline ) )
|
|
||||||
in prevSpline <> fmap setBrushData newSpline
|
|
||||||
| otherwise
|
|
||||||
= assert False ( "addToAnchor: trying to add to closed spline " <> show strokeUnique )
|
|
||||||
prevSpline -- should never add to a closed spline
|
|
||||||
= overStrokeSpline updateSpline stroke
|
|
||||||
| otherwise
|
|
||||||
= stroke
|
|
||||||
|
|
||||||
withAnchorBrushData
|
|
||||||
:: forall r
|
|
||||||
. DrawAnchor
|
|
||||||
-> Document
|
|
||||||
-> ( forall pointParams ( pointFields :: [ Symbol ] ) ( brushFields :: [ Symbol ] )
|
|
||||||
. ( pointParams ~ Record pointFields
|
|
||||||
, PointFields pointFields
|
|
||||||
)
|
|
||||||
=> Maybe ( NamedBrush brushFields )
|
|
||||||
-> pointParams
|
|
||||||
-> r
|
|
||||||
)
|
|
||||||
-> r
|
|
||||||
withAnchorBrushData anchor ( Document { documentContent = Content { strokes } } ) f =
|
|
||||||
splineAnchor . coerce $ foldMap getFirstRelevantStroke strokes
|
|
||||||
where
|
|
||||||
|
|
||||||
getFirstRelevantStroke :: StrokeHierarchy -> Maybe ( First Stroke )
|
|
||||||
getFirstRelevantStroke ( StrokeGroup { groupContents } ) =
|
|
||||||
foldMap getFirstRelevantStroke groupContents
|
|
||||||
getFirstRelevantStroke ( StrokeLeaf { strokeLeaf } )
|
|
||||||
| strokeUnique strokeLeaf == anchorStrokeUnique anchor
|
|
||||||
= Just ( First strokeLeaf )
|
|
||||||
| otherwise
|
|
||||||
= Nothing
|
|
||||||
|
|
||||||
splineAnchor :: Maybe Stroke -> r
|
|
||||||
splineAnchor ( Just ( Stroke { strokeSpline = strokeSpline :: StrokeSpline clo pointData, strokeBrush } ) )
|
|
||||||
| SOpen <- ssplineType @clo
|
|
||||||
= case anchor of
|
|
||||||
AnchorAtStart {} -> f strokeBrush ( brushParams ( splineStart strokeSpline ) )
|
|
||||||
AnchorAtEnd {} -> f strokeBrush ( brushParams ( splineEnd strokeSpline ) )
|
|
||||||
splineAnchor _
|
|
||||||
= f @_ @'[] @'[] Nothing ( MkR ℝ0 )
|
|
|
@ -11,10 +11,16 @@ module MetaBrush.Document.Serialise
|
||||||
-- base
|
-- base
|
||||||
import Control.Monad
|
import Control.Monad
|
||||||
( unless )
|
( unless )
|
||||||
|
import Control.Monad.ST
|
||||||
|
( stToIO )
|
||||||
import qualified Data.Bifunctor as Bifunctor
|
import qualified Data.Bifunctor as Bifunctor
|
||||||
( first )
|
( first )
|
||||||
import Data.Functor.Identity
|
import Data.Functor.Identity
|
||||||
( Identity(..) )
|
( Identity(..) )
|
||||||
|
import Data.Maybe
|
||||||
|
( fromMaybe )
|
||||||
|
import Data.STRef
|
||||||
|
( newSTRef )
|
||||||
import Data.Version
|
import Data.Version
|
||||||
( Version(versionBranch) )
|
( Version(versionBranch) )
|
||||||
import GHC.Exts
|
import GHC.Exts
|
||||||
|
@ -38,6 +44,9 @@ import qualified Data.ByteString.Lazy as Lazy
|
||||||
import qualified Data.ByteString.Builder as Lazy.ByteString.Builder
|
import qualified Data.ByteString.Builder as Lazy.ByteString.Builder
|
||||||
( toLazyByteString )
|
( toLazyByteString )
|
||||||
|
|
||||||
|
-- containers
|
||||||
|
import qualified Data.Map.Strict as Map
|
||||||
|
|
||||||
-- directory
|
-- directory
|
||||||
import System.Directory
|
import System.Directory
|
||||||
( canonicalizePath, createDirectoryIfMissing, doesFileExist )
|
( canonicalizePath, createDirectoryIfMissing, doesFileExist )
|
||||||
|
@ -65,8 +74,7 @@ import Control.Monad.IO.Class
|
||||||
( MonadIO(liftIO) )
|
( MonadIO(liftIO) )
|
||||||
import Control.Monad.Trans.Class
|
import Control.Monad.Trans.Class
|
||||||
( MonadTrans(lift) )
|
( MonadTrans(lift) )
|
||||||
import Control.Monad.Trans.Reader
|
import qualified Control.Monad.Trans.Reader as Reader
|
||||||
( runReaderT )
|
|
||||||
|
|
||||||
-- waargonaut
|
-- waargonaut
|
||||||
import qualified Waargonaut.Attoparsec as JSON.Decoder
|
import qualified Waargonaut.Attoparsec as JSON.Decoder
|
||||||
|
@ -76,13 +84,9 @@ import qualified Waargonaut.Decode as JSON
|
||||||
import qualified Waargonaut.Decode.Error as JSON
|
import qualified Waargonaut.Decode.Error as JSON
|
||||||
( DecodeError(ParseFailed) )
|
( DecodeError(ParseFailed) )
|
||||||
import qualified Waargonaut.Decode as JSON.Decoder
|
import qualified Waargonaut.Decode as JSON.Decoder
|
||||||
( atKey, atKeyOptional, bool, text, list )
|
|
||||||
import qualified Waargonaut.Encode as JSON
|
import qualified Waargonaut.Encode as JSON
|
||||||
( Encoder )
|
( Encoder )
|
||||||
import qualified Waargonaut.Encode as JSON.Encoder
|
import qualified Waargonaut.Encode as JSON.Encoder
|
||||||
( runEncoder
|
|
||||||
, atKey', bool, int, list, mapLikeObj, text
|
|
||||||
)
|
|
||||||
import qualified Waargonaut.Encode.Builder as JSON.Builder
|
import qualified Waargonaut.Encode.Builder as JSON.Builder
|
||||||
( waargonautBuilder, bsBuilder )
|
( waargonautBuilder, bsBuilder )
|
||||||
import qualified Waargonaut.Encode.Builder.Whitespace as JSON.Builder
|
import qualified Waargonaut.Encode.Builder.Whitespace as JSON.Builder
|
||||||
|
@ -102,32 +106,32 @@ import Waargonaut.Types.Json
|
||||||
import qualified Waargonaut.Types.Whitespace as JSON
|
import qualified Waargonaut.Types.Whitespace as JSON
|
||||||
( WS )
|
( WS )
|
||||||
|
|
||||||
-- metabrushes
|
-- brush-strokes
|
||||||
import Math.Bezier.Spline
|
import Math.Bezier.Spline
|
||||||
( SplineType(..), SSplineType(..), SplineTypeI(..) )
|
( SplineType(..), SSplineType(..), SplineTypeI(..) )
|
||||||
|
import Math.Bezier.Stroke
|
||||||
|
( CachedStroke(..) )
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..), T(..) )
|
( ℝ(..), T(..) )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
import MetaBrush.Asset.Brushes
|
import MetaBrush.Asset.Brushes
|
||||||
( lookupBrush )
|
( lookupBrush )
|
||||||
import MetaBrush.Brush
|
import MetaBrush.Brush
|
||||||
( NamedBrush(..), SomeBrush(..), provePointFields, duplicates )
|
( NamedBrush(..), SomeBrush(..), provePointFields, duplicates )
|
||||||
import MetaBrush.Document
|
import MetaBrush.Document
|
||||||
( Document(..), DocumentContent(..), Guide(..)
|
import MetaBrush.Layer ( LayerMetadata(..) )
|
||||||
, Stroke(..), StrokeHierarchy(..), StrokeSpline
|
|
||||||
, PointData(..), FocusState(..)
|
|
||||||
)
|
|
||||||
import MetaBrush.Serialisable
|
import MetaBrush.Serialisable
|
||||||
( Serialisable(..)
|
( Serialisable(..)
|
||||||
, encodeSequence, decodeSequence
|
|
||||||
, encodeUniqueMap, decodeUniqueMap
|
|
||||||
, encodeSpline, decodeSpline
|
, encodeSpline, decodeSpline
|
||||||
)
|
)
|
||||||
|
import MetaBrush.Stroke
|
||||||
import MetaBrush.Records
|
import MetaBrush.Records
|
||||||
( Record, knownSymbols )
|
( Record, knownSymbols )
|
||||||
import MetaBrush.Unique
|
import MetaBrush.Unique
|
||||||
( UniqueSupply, freshUnique )
|
( UniqueSupply, freshUnique )
|
||||||
|
import MetaBrush.Unique
|
||||||
-- MetaBrush
|
( Unique )
|
||||||
import qualified Paths_MetaBrush as Cabal
|
import qualified Paths_MetaBrush as Cabal
|
||||||
( version )
|
( version )
|
||||||
|
|
||||||
|
@ -204,12 +208,8 @@ decodePointData
|
||||||
=> JSON.Decoder m ( PointData brushParams )
|
=> JSON.Decoder m ( PointData brushParams )
|
||||||
decodePointData = do
|
decodePointData = do
|
||||||
pointCoords <- JSON.Decoder.atKey "coords" ( decoder @( ℝ 2 ) )
|
pointCoords <- JSON.Decoder.atKey "coords" ( decoder @( ℝ 2 ) )
|
||||||
let
|
|
||||||
pointState :: FocusState
|
|
||||||
pointState = Normal
|
|
||||||
brushParams <- JSON.Decoder.atKey "brushParams" ( decoder @( Record flds ) )
|
brushParams <- JSON.Decoder.atKey "brushParams" ( decoder @( Record flds ) )
|
||||||
pure ( PointData { pointCoords, pointState, brushParams } )
|
pure ( PointData { pointCoords, brushParams } )
|
||||||
|
|
||||||
|
|
||||||
encodeFields :: Monad f => JSON.Encoder f [ Text ]
|
encodeFields :: Monad f => JSON.Encoder f [ Text ]
|
||||||
encodeFields = JSON.Encoder.list JSON.Encoder.text
|
encodeFields = JSON.Encoder.list JSON.Encoder.text
|
||||||
|
@ -223,12 +223,12 @@ decodeFields = do
|
||||||
dups -> throwError ( JSON.ParseFailed $ "Duplicate field names in brush record type:\n" <> Text.unwords dups )
|
dups -> throwError ( JSON.ParseFailed $ "Duplicate field names in brush record type:\n" <> Text.unwords dups )
|
||||||
|
|
||||||
|
|
||||||
encodeBrush :: Applicative f => JSON.Encoder f (NamedBrush brushFields)
|
encodeBrush :: Applicative f => JSON.Encoder f ( NamedBrush brushFields )
|
||||||
encodeBrush = JSON.Encoder.mapLikeObj
|
encodeBrush = JSON.Encoder.mapLikeObj
|
||||||
\ ( NamedBrush { brushName } ) ->
|
\ ( NamedBrush { brushName } ) ->
|
||||||
JSON.Encoder.atKey' "name" JSON.Encoder.text brushName
|
JSON.Encoder.atKey' "name" JSON.Encoder.text brushName
|
||||||
|
|
||||||
decodeBrush :: MonadIO m => JSON.Decoder m SomeBrush
|
decodeBrush :: Monad m => JSON.Decoder m SomeBrush
|
||||||
decodeBrush = do
|
decodeBrush = do
|
||||||
brushName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
brushName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
||||||
case lookupBrush brushName of
|
case lookupBrush brushName of
|
||||||
|
@ -239,9 +239,7 @@ decodeBrush = do
|
||||||
encodeStroke :: Monad f => JSON.Encoder f Stroke
|
encodeStroke :: Monad f => JSON.Encoder f Stroke
|
||||||
encodeStroke = JSON.Encoder.mapLikeObj
|
encodeStroke = JSON.Encoder.mapLikeObj
|
||||||
\ ( Stroke
|
\ ( Stroke
|
||||||
{ strokeName
|
{ strokeSpline = strokeSpline :: StrokeSpline clo ( Record pointFields )
|
||||||
, strokeVisible
|
|
||||||
, strokeSpline = strokeSpline :: StrokeSpline clo ( Record pointFields )
|
|
||||||
, strokeBrush
|
, strokeBrush
|
||||||
}
|
}
|
||||||
) ->
|
) ->
|
||||||
|
@ -255,18 +253,22 @@ encodeStroke = JSON.Encoder.mapLikeObj
|
||||||
Nothing -> id
|
Nothing -> id
|
||||||
Just brush -> JSON.Encoder.atKey' "brush" encodeBrush brush
|
Just brush -> JSON.Encoder.atKey' "brush" encodeBrush brush
|
||||||
in
|
in
|
||||||
JSON.Encoder.atKey' "name" JSON.Encoder.text strokeName
|
JSON.Encoder.atKey' "closed" JSON.Encoder.bool closed
|
||||||
. JSON.Encoder.atKey' "visible" JSON.Encoder.bool strokeVisible
|
|
||||||
. JSON.Encoder.atKey' "closed" JSON.Encoder.bool closed
|
|
||||||
. JSON.Encoder.atKey' "pointFields" encodeFields ( knownSymbols @pointFields )
|
. JSON.Encoder.atKey' "pointFields" encodeFields ( knownSymbols @pointFields )
|
||||||
. mbEncodeBrush
|
. mbEncodeBrush
|
||||||
. JSON.Encoder.atKey' "spline" ( encodeSpline encodePointData ) strokeSpline
|
. JSON.Encoder.atKey' "spline" ( encodeSpline encodePointData ) strokeSpline
|
||||||
|
|
||||||
decodeStroke :: MonadIO m => UniqueSupply -> JSON.Decoder m Stroke
|
newCurveData :: MonadIO m => ( Integer -> m CurveData )
|
||||||
decodeStroke uniqueSupply = do
|
newCurveData i = do
|
||||||
strokeUnique <- lift ( liftIO . STM.atomically $ runReaderT freshUnique uniqueSupply )
|
noCache <- liftIO . stToIO $ CachedStroke <$> newSTRef Nothing
|
||||||
strokeName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
return $
|
||||||
strokeVisible <- JSON.Decoder.atKey "visible" JSON.Decoder.bool
|
CurveData
|
||||||
|
{ curveIndex = fromInteger i
|
||||||
|
, cachedStroke = noCache
|
||||||
|
}
|
||||||
|
|
||||||
|
decodeStroke :: MonadIO m => JSON.Decoder m Stroke
|
||||||
|
decodeStroke = do
|
||||||
strokeClosed <- JSON.Decoder.atKey "closed" JSON.Decoder.bool
|
strokeClosed <- JSON.Decoder.atKey "closed" JSON.Decoder.bool
|
||||||
mbSomeBrush <- JSON.Decoder.atKeyOptional "brush" decodeBrush
|
mbSomeBrush <- JSON.Decoder.atKeyOptional "brush" decodeBrush
|
||||||
pointFields <- JSON.Decoder.atKey "pointFields" decodeFields
|
pointFields <- JSON.Decoder.atKey "pointFields" decodeFields
|
||||||
|
@ -274,97 +276,122 @@ decodeStroke uniqueSupply = do
|
||||||
provePointFields pointFields \ ( _ :: Proxy# pointFields ) ->
|
provePointFields pointFields \ ( _ :: Proxy# pointFields ) ->
|
||||||
if strokeClosed
|
if strokeClosed
|
||||||
then do
|
then do
|
||||||
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Closed @( PointData ( Record pointFields ) ) decodePointData )
|
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Closed @( PointData ( Record pointFields ) ) decodePointData newCurveData )
|
||||||
pure $ case mbSomeBrush of
|
pure $ case mbSomeBrush of
|
||||||
Nothing ->
|
Nothing ->
|
||||||
Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrush = Nothing :: Maybe ( NamedBrush '[] ) }
|
Stroke { strokeSpline, strokeBrush = Nothing :: Maybe ( NamedBrush '[] ) }
|
||||||
Just (SomeBrush brush) ->
|
Just (SomeBrush brush) ->
|
||||||
Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrush = Just brush }
|
Stroke { strokeSpline, strokeBrush = Just brush }
|
||||||
else do
|
else do
|
||||||
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Open @( PointData ( Record pointFields ) ) decodePointData )
|
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Open @( PointData ( Record pointFields ) ) decodePointData newCurveData )
|
||||||
pure $ case mbSomeBrush of
|
pure $ case mbSomeBrush of
|
||||||
Nothing ->
|
Nothing ->
|
||||||
Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrush = Nothing :: Maybe ( NamedBrush '[] ) }
|
Stroke { strokeSpline, strokeBrush = Nothing :: Maybe ( NamedBrush '[] ) }
|
||||||
Just (SomeBrush brush) ->
|
Just (SomeBrush brush) ->
|
||||||
Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrush = Just brush }
|
Stroke { strokeSpline, strokeBrush = Just brush }
|
||||||
|
|
||||||
|
|
||||||
encodeStrokeHierarchy :: Monad f => JSON.Encoder f StrokeHierarchy
|
|
||||||
encodeStrokeHierarchy = JSON.Encoder.mapLikeObj \case
|
|
||||||
StrokeGroup { groupName, groupVisible, groupContents } ->
|
|
||||||
JSON.Encoder.atKey' "tag" JSON.Encoder.text "group"
|
|
||||||
. JSON.Encoder.atKey' "name" JSON.Encoder.text groupName
|
|
||||||
. JSON.Encoder.atKey' "visible" JSON.Encoder.bool groupVisible
|
|
||||||
. JSON.Encoder.atKey' "contents" ( encodeSequence encodeStrokeHierarchy ) groupContents
|
|
||||||
StrokeLeaf { strokeLeaf } ->
|
|
||||||
JSON.Encoder.atKey' "tag" JSON.Encoder.text "leaf"
|
|
||||||
. JSON.Encoder.atKey' "stroke" encodeStroke strokeLeaf
|
|
||||||
|
|
||||||
decodeStrokeHierarchy :: MonadIO m => UniqueSupply -> JSON.Decoder m StrokeHierarchy
|
|
||||||
decodeStrokeHierarchy uniqueSupply = do
|
|
||||||
tag <- JSON.Decoder.atKey "tag" JSON.Decoder.text
|
|
||||||
case tag of
|
|
||||||
"group" -> do
|
|
||||||
groupName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
|
||||||
groupVisible <- JSON.Decoder.atKey "visible" JSON.Decoder.bool
|
|
||||||
groupContents <- JSON.Decoder.atKey "contents" ( decodeSequence $ decodeStrokeHierarchy uniqueSupply )
|
|
||||||
pure ( StrokeGroup { groupName, groupVisible, groupContents } )
|
|
||||||
"leaf" -> do
|
|
||||||
strokeLeaf <- JSON.Decoder.atKey "stroke" ( decodeStroke uniqueSupply )
|
|
||||||
pure ( StrokeLeaf { strokeLeaf } )
|
|
||||||
_ -> throwError ( JSON.ParseFailed $ "Unsupported stroke hierarchy type with tag " <> tag )
|
|
||||||
|
|
||||||
|
encodeLayer :: Monad f => JSON.Encoder f Layer
|
||||||
|
encodeLayer =
|
||||||
|
JSON.Encoder.mapLikeObj \ layer ->
|
||||||
|
let
|
||||||
|
encodeLayerData = case layer of
|
||||||
|
GroupLayer { groupChildren } ->
|
||||||
|
JSON.Encoder.atKey' "contents" ( JSON.Encoder.list encodeLayer ) groupChildren
|
||||||
|
StrokeLayer { layerStroke } ->
|
||||||
|
JSON.Encoder.atKey' "stroke" encodeStroke layerStroke
|
||||||
|
in
|
||||||
|
JSON.Encoder.atKey' "name" JSON.Encoder.text ( layerName layer )
|
||||||
|
. JSON.Encoder.atOptKey' "visible" JSON.Encoder.bool ( if layerVisible layer then Nothing else Just False )
|
||||||
|
. JSON.Encoder.atOptKey' "locked" JSON.Encoder.bool ( if layerLocked layer then Just True else Nothing )
|
||||||
|
. encodeLayerData
|
||||||
|
|
||||||
|
decodeLayer :: MonadIO m => UniqueSupply -> JSON.Decoder m Layer
|
||||||
|
decodeLayer uniqueSupply = do
|
||||||
|
layerUnique <- lift ( liftIO . STM.atomically $ Reader.runReaderT freshUnique uniqueSupply )
|
||||||
|
mbLayerName <- JSON.Decoder.atKeyOptional "name" JSON.Decoder.text
|
||||||
|
mbLayerVisible <- JSON.Decoder.atKeyOptional "visible" JSON.Decoder.bool
|
||||||
|
mbLayerLocked <- JSON.Decoder.atKeyOptional "locked" JSON.Decoder.bool
|
||||||
|
let layerVisible = fromMaybe True mbLayerVisible
|
||||||
|
layerLocked = fromMaybe False mbLayerLocked
|
||||||
|
mbLayerStroke <- JSON.Decoder.atKeyOptional "stroke" decodeStroke
|
||||||
|
case mbLayerStroke of
|
||||||
|
Nothing -> do
|
||||||
|
let layerName = fromMaybe "Group" mbLayerName
|
||||||
|
groupChildren <- fromMaybe [] <$> JSON.Decoder.atKeyOptional "contents" ( JSON.Decoder.list ( decodeLayer uniqueSupply ) )
|
||||||
|
pure ( GroupLayer { layerUnique, layerName, layerVisible, layerLocked, groupChildren } )
|
||||||
|
Just layerStroke -> do
|
||||||
|
let layerName = fromMaybe "Stroke" mbLayerName
|
||||||
|
pure ( StrokeLayer { layerUnique, layerName, layerVisible, layerLocked, layerStroke } )
|
||||||
|
|
||||||
encodeGuide :: Applicative f => JSON.Encoder f Guide
|
encodeGuide :: Applicative f => JSON.Encoder f Guide
|
||||||
encodeGuide = JSON.Encoder.mapLikeObj \ ( Guide { guidePoint, guideNormal } ) ->
|
encodeGuide = JSON.Encoder.mapLikeObj \ ( Guide { guidePoint, guideNormal } ) ->
|
||||||
JSON.Encoder.atKey' "point" ( encoder @( ℝ 2 ) ) guidePoint
|
JSON.Encoder.atKey' "point" ( encoder @( ℝ 2 ) ) guidePoint
|
||||||
. JSON.Encoder.atKey' "normal" ( encoder @( T ( ℝ 2 ) ) ) guideNormal
|
. JSON.Encoder.atKey' "normal" ( encoder @( T ( ℝ 2 ) ) ) guideNormal
|
||||||
|
|
||||||
decodeGuide :: MonadIO m => UniqueSupply -> JSON.Decoder m Guide
|
decodeGuide :: MonadIO m => UniqueSupply -> JSON.Decoder m ( Unique, Guide )
|
||||||
decodeGuide uniqueSupply = do
|
decodeGuide uniqueSupply = do
|
||||||
|
guideUnique <- lift ( liftIO . STM.atomically $ Reader.runReaderT freshUnique uniqueSupply )
|
||||||
guidePoint <- JSON.Decoder.atKey "point" ( decoder @( ℝ 2 ) )
|
guidePoint <- JSON.Decoder.atKey "point" ( decoder @( ℝ 2 ) )
|
||||||
guideNormal <- JSON.Decoder.atKey "normal" ( decoder @( T ( ℝ 2 ) ) )
|
guideNormal <- JSON.Decoder.atKey "normal" ( decoder @( T ( ℝ 2 ) ) )
|
||||||
let
|
pure ( guideUnique, Guide { guidePoint, guideNormal } )
|
||||||
guideFocus :: FocusState
|
|
||||||
guideFocus = Normal
|
|
||||||
guideUnique <- lift ( liftIO . STM.atomically $ runReaderT freshUnique uniqueSupply )
|
|
||||||
pure ( Guide { guidePoint, guideNormal, guideFocus, guideUnique } )
|
|
||||||
|
|
||||||
|
encodeDocumentContent :: Applicative f => JSON.Encoder f ( LayerMetadata, DocumentContent )
|
||||||
|
encodeDocumentContent = JSON.Encoder.mapLikeObj \ ( layerMetadata, Content { strokeHierarchy } ) ->
|
||||||
|
JSON.Encoder.atKey' "strokes" ( JSON.Encoder.list encodeLayer ) $
|
||||||
|
strokeHierarchyLayers layerMetadata strokeHierarchy
|
||||||
|
|
||||||
|
decodeDocumentContent :: MonadIO m => UniqueSupply -> JSON.Decoder m ( LayerMetadata, DocumentContent )
|
||||||
encodeDocumentContent :: Applicative f => JSON.Encoder f DocumentContent
|
|
||||||
encodeDocumentContent = JSON.Encoder.mapLikeObj \ ( Content { guides, strokes } ) ->
|
|
||||||
JSON.Encoder.atKey' "guides" ( encodeUniqueMap encodeGuide ) guides
|
|
||||||
. JSON.Encoder.atKey' "strokes" ( encodeSequence encodeStrokeHierarchy ) strokes
|
|
||||||
|
|
||||||
decodeDocumentContent :: MonadIO m => UniqueSupply -> JSON.Decoder m DocumentContent
|
|
||||||
decodeDocumentContent uniqueSupply = do
|
decodeDocumentContent uniqueSupply = do
|
||||||
let
|
let
|
||||||
unsavedChanges :: Bool
|
unsavedChanges :: Bool
|
||||||
unsavedChanges = False
|
unsavedChanges = False
|
||||||
latestChange :: Text
|
layers <- JSON.Decoder.atKey "strokes" ( JSON.Decoder.list $ decodeLayer uniqueSupply )
|
||||||
latestChange = "Load document"
|
let ( layerMetadata, strokeHierarchy ) = layersStrokeHierarchy layers
|
||||||
strokes <- JSON.Decoder.atKey "strokes" ( decodeSequence ( decodeStrokeHierarchy uniqueSupply ) )
|
pure ( layerMetadata, Content { unsavedChanges, strokeHierarchy } )
|
||||||
guides <- JSON.Decoder.atKey "guides" ( decodeUniqueMap ( decodeGuide uniqueSupply ) )
|
|
||||||
pure ( Content { unsavedChanges, latestChange, strokes, guides } )
|
|
||||||
|
|
||||||
|
|
||||||
|
encodeDocumentMetadata :: Applicative f => JSON.Encoder f DocumentMetadata
|
||||||
|
encodeDocumentMetadata =
|
||||||
|
JSON.Encoder.mapLikeObj
|
||||||
|
\ ( Metadata { documentName, viewportCenter, documentZoom, documentGuides } ) ->
|
||||||
|
JSON.Encoder.atKey' "name" JSON.Encoder.text documentName
|
||||||
|
. JSON.Encoder.atKey' "center" ( encoder @( ℝ 2 ) ) viewportCenter
|
||||||
|
. JSON.Encoder.atKey' "zoom" ( encoder @Double ) ( zoomFactor documentZoom )
|
||||||
|
. JSON.Encoder.atKey' "guides" ( JSON.Encoder.list encodeGuide ) ( Map.elems documentGuides )
|
||||||
|
|
||||||
|
|
||||||
|
decodeDocumentMetadata
|
||||||
|
:: MonadIO m
|
||||||
|
=> UniqueSupply
|
||||||
|
-> Maybe FilePath
|
||||||
|
-> LayerMetadata
|
||||||
|
-> JSON.Decoder m DocumentMetadata
|
||||||
|
decodeDocumentMetadata uniqueSupply mbFilePath layerMetadata = do
|
||||||
|
documentName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
||||||
|
viewportCenter <- JSON.Decoder.atKey "center" ( decoder @( ℝ 2 ) )
|
||||||
|
zoomFactor <- JSON.Decoder.atKey "zoom" ( decoder @Double )
|
||||||
|
guides <- JSON.Decoder.atKey "guides" ( JSON.Decoder.list $ decodeGuide uniqueSupply )
|
||||||
|
pure $
|
||||||
|
Metadata
|
||||||
|
{ documentName
|
||||||
|
, documentFilePath = mbFilePath
|
||||||
|
, viewportCenter
|
||||||
|
, documentZoom = Zoom { zoomFactor }
|
||||||
|
, documentGuides = Map.fromList guides
|
||||||
|
, layerMetadata
|
||||||
|
, selectedPoints = mempty
|
||||||
|
}
|
||||||
|
|
||||||
encodeDocument :: Applicative f => JSON.Encoder f Document
|
encodeDocument :: Applicative f => JSON.Encoder f Document
|
||||||
encodeDocument = JSON.Encoder.mapLikeObj
|
encodeDocument = JSON.Encoder.mapLikeObj
|
||||||
\ ( Document { displayName, viewportCenter, zoomFactor, documentContent } ) ->
|
\ ( Document { documentMetadata, documentContent } ) ->
|
||||||
JSON.Encoder.atKey' "version" ( JSON.Encoder.list JSON.Encoder.int ) ( versionBranch Cabal.version )
|
JSON.Encoder.atKey' "version" ( JSON.Encoder.list JSON.Encoder.int ) ( versionBranch Cabal.version )
|
||||||
. JSON.Encoder.atKey' "name" JSON.Encoder.text displayName
|
. JSON.Encoder.atKey' "metadata" encodeDocumentMetadata documentMetadata
|
||||||
. JSON.Encoder.atKey' "center" ( encoder @( ℝ 2 ) ) viewportCenter
|
. JSON.Encoder.atKey' "content" encodeDocumentContent ( layerMetadata documentMetadata, documentContent )
|
||||||
. JSON.Encoder.atKey' "zoom" ( encoder @Double ) zoomFactor
|
|
||||||
. JSON.Encoder.atKey' "content" encodeDocumentContent documentContent
|
|
||||||
|
|
||||||
decodeDocument :: MonadIO m => UniqueSupply -> Maybe FilePath -> JSON.Decoder m Document
|
decodeDocument :: MonadIO m => UniqueSupply -> Maybe FilePath -> JSON.Decoder m Document
|
||||||
decodeDocument uniqueSupply mbFilePath = do
|
decodeDocument uniqueSupply mbFilePath = do
|
||||||
displayName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
( layerMetadata, documentContent ) <-
|
||||||
viewportCenter <- JSON.Decoder.atKey "center" ( decoder @( ℝ 2 ) )
|
JSON.Decoder.atKey "content" ( decodeDocumentContent uniqueSupply )
|
||||||
zoomFactor <- JSON.Decoder.atKey "zoom" ( decoder @Double )
|
documentMetadata <- JSON.Decoder.atKey "metadata" $ decodeDocumentMetadata uniqueSupply mbFilePath layerMetadata
|
||||||
documentUnique <- lift ( liftIO . STM.atomically $ runReaderT freshUnique uniqueSupply )
|
pure ( Document { documentMetadata, documentContent } )
|
||||||
documentContent <- JSON.Decoder.atKey "content" ( decodeDocumentContent uniqueSupply )
|
|
||||||
pure ( Document { displayName, mbFilePath, viewportCenter, zoomFactor, documentUnique, documentContent } )
|
|
||||||
|
|
|
@ -1,164 +0,0 @@
|
||||||
{-# LANGUAGE OverloadedStrings #-}
|
|
||||||
{-# LANGUAGE ScopedTypeVariables #-}
|
|
||||||
|
|
||||||
module MetaBrush.Document.SubdivideStroke
|
|
||||||
( subdivide )
|
|
||||||
where
|
|
||||||
|
|
||||||
-- base
|
|
||||||
import Control.Monad.ST
|
|
||||||
( RealWorld )
|
|
||||||
import Data.Semigroup
|
|
||||||
( Min(..), Arg(..) )
|
|
||||||
|
|
||||||
-- acts
|
|
||||||
import Data.Act
|
|
||||||
( Act((•)) )
|
|
||||||
|
|
||||||
-- containers
|
|
||||||
import Data.Sequence
|
|
||||||
( Seq(..) )
|
|
||||||
import qualified Data.Sequence as Seq
|
|
||||||
( singleton )
|
|
||||||
|
|
||||||
-- generic-lens
|
|
||||||
import Data.Generics.Product.Fields
|
|
||||||
( field' )
|
|
||||||
|
|
||||||
-- groups
|
|
||||||
import Data.Group
|
|
||||||
( invert )
|
|
||||||
|
|
||||||
-- text
|
|
||||||
import Data.Text
|
|
||||||
( Text )
|
|
||||||
|
|
||||||
-- transformers
|
|
||||||
import Control.Monad.Trans.State.Strict
|
|
||||||
( State, runState, put )
|
|
||||||
|
|
||||||
-- MetaBrush
|
|
||||||
import qualified Math.Bezier.Cubic as Cubic
|
|
||||||
( Bezier(..), closestPoint, subdivide )
|
|
||||||
import qualified Math.Bezier.Quadratic as Quadratic
|
|
||||||
( Bezier(..), closestPoint, subdivide )
|
|
||||||
import Math.Bezier.Spline
|
|
||||||
( Spline(..), SplineType(..), Curve(..), Curves(..), NextPoint(..)
|
|
||||||
, KnownSplineType(bifoldSpline, adjustSplineType)
|
|
||||||
)
|
|
||||||
import Math.Bezier.Stroke
|
|
||||||
( CachedStroke(..), invalidateCache )
|
|
||||||
import Math.Module
|
|
||||||
( Interpolatable, lerp, quadrance, closestPointOnSegment )
|
|
||||||
import Math.Linear
|
|
||||||
( Segment(..), ℝ(..), T(..) )
|
|
||||||
import MetaBrush.Document
|
|
||||||
( Document(..), Stroke(..), StrokeHierarchy(..), StrokeSpline
|
|
||||||
, PointData(..), DiffPointData(..)
|
|
||||||
, coords, _strokeSpline
|
|
||||||
)
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
-- | Subdivide a path at the given center, provided a path indeed lies there.
|
|
||||||
subdivide :: ℝ 2 -> Document -> Maybe ( Document, Text )
|
|
||||||
subdivide c doc@( Document { zoomFactor } ) =
|
|
||||||
let
|
|
||||||
updatedDoc :: Document
|
|
||||||
mbSubdivLoc :: Maybe Text
|
|
||||||
( updatedDoc, mbSubdivLoc ) =
|
|
||||||
( `runState` Nothing )
|
|
||||||
$ ( field' @"documentContent" . field' @"strokes" . traverse )
|
|
||||||
updateStrokeHierarchy
|
|
||||||
doc
|
|
||||||
in ( updatedDoc , ) <$> mbSubdivLoc
|
|
||||||
where
|
|
||||||
updateStrokeHierarchy :: StrokeHierarchy -> State ( Maybe Text ) StrokeHierarchy
|
|
||||||
updateStrokeHierarchy ( StrokeGroup { .. } ) = do
|
|
||||||
newContents <- traverse updateStrokeHierarchy groupContents
|
|
||||||
pure ( StrokeGroup { groupContents = newContents, .. } )
|
|
||||||
updateStrokeHierarchy ( StrokeLeaf { strokeLeaf } ) = StrokeLeaf <$> updateStroke strokeLeaf
|
|
||||||
|
|
||||||
updateStroke :: Stroke -> State ( Maybe Text ) Stroke
|
|
||||||
updateStroke stroke@( Stroke { strokeVisible, strokeName } ) = _strokeSpline updateSpline stroke
|
|
||||||
|
|
||||||
where
|
|
||||||
updateSpline
|
|
||||||
:: forall clo brushParams
|
|
||||||
. ( KnownSplineType clo, Interpolatable Double brushParams )
|
|
||||||
=> StrokeSpline clo brushParams -> State ( Maybe Text ) ( StrokeSpline clo brushParams )
|
|
||||||
updateSpline spline@( Spline { splineStart } )
|
|
||||||
| not strokeVisible
|
|
||||||
= pure spline
|
|
||||||
| otherwise
|
|
||||||
= fmap ( \ curves -> adjustSplineType @clo $ Spline { splineStart, splineCurves = OpenCurves curves } )
|
|
||||||
$ bifoldSpline
|
|
||||||
( updateCurve ( "stroke " <> strokeName ) ( V2 0 0 ) )
|
|
||||||
( const $ pure Empty )
|
|
||||||
( adjustSplineType @Open spline )
|
|
||||||
|
|
||||||
where
|
|
||||||
updateCurve
|
|
||||||
:: Text
|
|
||||||
-> T ( ℝ 2 )
|
|
||||||
-> PointData brushParams
|
|
||||||
-> Curve Open ( CachedStroke RealWorld ) ( PointData brushParams )
|
|
||||||
-> State ( Maybe Text )
|
|
||||||
( Seq ( Curve Open ( CachedStroke RealWorld ) ( PointData brushParams ) ) )
|
|
||||||
updateCurve txt offset sp0 curve = case curve of
|
|
||||||
line@( LineTo ( NextPoint sp1 ) dat ) ->
|
|
||||||
let
|
|
||||||
p0, p1, s :: ℝ 2
|
|
||||||
t :: Double
|
|
||||||
p0 = coords sp0
|
|
||||||
p1 = coords sp1
|
|
||||||
( t, s ) = closestPointOnSegment @( T ( ℝ 2 ) ) ( invert offset • c ) ( Segment p0 p1 )
|
|
||||||
sqDist :: Double
|
|
||||||
sqDist = quadrance @( T ( ℝ 2 ) ) c ( offset • s )
|
|
||||||
in if t > 0 && t < 1 && sqDist * zoomFactor ^ ( 2 :: Int ) < 16
|
|
||||||
then
|
|
||||||
let
|
|
||||||
subdiv :: PointData brushParams
|
|
||||||
subdiv = lerp @( DiffPointData ( T brushParams ) ) t sp0 sp1
|
|
||||||
in do
|
|
||||||
put ( Just txt )
|
|
||||||
pure ( LineTo ( NextPoint subdiv ) ( invalidateCache dat ) :<| LineTo ( NextPoint sp1 ) ( invalidateCache dat ) :<| Empty )
|
|
||||||
else pure $ Seq.singleton line
|
|
||||||
bez2@( Bezier2To sp1 ( NextPoint sp2 ) dat ) ->
|
|
||||||
let
|
|
||||||
p0, p1, p2 :: ℝ 2
|
|
||||||
p0 = coords sp0
|
|
||||||
p1 = coords sp1
|
|
||||||
p2 = coords sp2
|
|
||||||
sqDist :: Double
|
|
||||||
Min ( Arg sqDist ( t, _ ) )
|
|
||||||
= Quadratic.closestPoint @( T ( ℝ 2 ) ) ( Quadratic.Bezier {..} ) ( invert offset • c )
|
|
||||||
in if t > 0 && t < 1 && sqDist * zoomFactor ^ ( 2 :: Int ) < 16
|
|
||||||
then case Quadratic.subdivide @( DiffPointData ( T brushParams ) ) ( Quadratic.Bezier sp0 sp1 sp2 ) t of
|
|
||||||
( Quadratic.Bezier _ q1 subdiv, Quadratic.Bezier _ r1 _ ) -> do
|
|
||||||
let
|
|
||||||
bez_start, bez_end :: Curve Open ( CachedStroke RealWorld ) ( PointData brushParams )
|
|
||||||
bez_start = Bezier2To q1 ( NextPoint subdiv ) ( invalidateCache dat )
|
|
||||||
bez_end = Bezier2To r1 ( NextPoint sp2 ) ( invalidateCache dat )
|
|
||||||
put ( Just txt )
|
|
||||||
pure ( bez_start :<| bez_end :<| Empty )
|
|
||||||
else pure $ Seq.singleton bez2
|
|
||||||
bez3@( Bezier3To sp1 sp2 ( NextPoint sp3 ) dat ) ->
|
|
||||||
let
|
|
||||||
p0, p1, p2, p3 :: ℝ 2
|
|
||||||
p0 = coords sp0
|
|
||||||
p1 = coords sp1
|
|
||||||
p2 = coords sp2
|
|
||||||
p3 = coords sp3
|
|
||||||
Min ( Arg sqDist ( t, _ ) )
|
|
||||||
= Cubic.closestPoint @( T ( ℝ 2 ) ) ( Cubic.Bezier {..} ) ( invert offset • c )
|
|
||||||
in if t > 0 && t < 1 && sqDist * zoomFactor ^ ( 2 :: Int ) < 16
|
|
||||||
then case Cubic.subdivide @( DiffPointData ( T brushParams ) ) ( Cubic.Bezier sp0 sp1 sp2 sp3 ) t of
|
|
||||||
( Cubic.Bezier _ q1 q2 subdiv, Cubic.Bezier _ r1 r2 _ ) -> do
|
|
||||||
let
|
|
||||||
bez_start, bez_end :: Curve Open ( CachedStroke RealWorld ) ( PointData brushParams )
|
|
||||||
bez_start = Bezier3To q1 q2 ( NextPoint subdiv ) ( invalidateCache dat )
|
|
||||||
bez_end = Bezier3To r1 r2 ( NextPoint sp3 ) ( invalidateCache dat )
|
|
||||||
put ( Just txt )
|
|
||||||
pure ( bez_start :<| bez_end :<| Empty )
|
|
||||||
else pure $ Seq.singleton bez3
|
|
282
src/metabrushes/MetaBrush/Draw.hs
Normal file
282
src/metabrushes/MetaBrush/Draw.hs
Normal file
|
@ -0,0 +1,282 @@
|
||||||
|
{-# LANGUAGE OverloadedStrings #-}
|
||||||
|
{-# LANGUAGE ScopedTypeVariables #-}
|
||||||
|
|
||||||
|
module MetaBrush.Draw
|
||||||
|
( DrawAnchor(..), anchorsAreComplementary
|
||||||
|
, getOrCreateDrawAnchor, addToAnchor
|
||||||
|
, withAnchorBrushData
|
||||||
|
)
|
||||||
|
where
|
||||||
|
|
||||||
|
-- base
|
||||||
|
import Control.Monad
|
||||||
|
( when )
|
||||||
|
import Data.Foldable
|
||||||
|
( for_ )
|
||||||
|
import Data.Functor.Identity
|
||||||
|
( Identity(..) )
|
||||||
|
import GHC.Generics
|
||||||
|
( Generic )
|
||||||
|
import GHC.TypeLits
|
||||||
|
( Symbol )
|
||||||
|
|
||||||
|
-- containers
|
||||||
|
import Data.Sequence
|
||||||
|
( Seq(..) )
|
||||||
|
import qualified Data.Map.Strict as Map
|
||||||
|
import qualified Data.Set as Set
|
||||||
|
|
||||||
|
-- deepseq
|
||||||
|
import Control.DeepSeq
|
||||||
|
( NFData )
|
||||||
|
|
||||||
|
-- generic-lens
|
||||||
|
import Data.Generics.Product.Fields
|
||||||
|
( field, field' )
|
||||||
|
|
||||||
|
-- lens
|
||||||
|
import Control.Lens
|
||||||
|
( set, over )
|
||||||
|
|
||||||
|
-- stm
|
||||||
|
import Control.Concurrent.STM
|
||||||
|
( STM )
|
||||||
|
|
||||||
|
-- transformers
|
||||||
|
import Control.Monad.Trans.Except
|
||||||
|
( Except )
|
||||||
|
import qualified Control.Monad.Trans.Except as Except
|
||||||
|
import Control.Monad.Trans.Reader
|
||||||
|
( runReaderT )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import Math.Bezier.Spline
|
||||||
|
import Math.Linear
|
||||||
|
( ℝ(..) )
|
||||||
|
import MetaBrush.Assert
|
||||||
|
( assert )
|
||||||
|
import MetaBrush.Brush
|
||||||
|
( NamedBrush(..), PointFields )
|
||||||
|
import MetaBrush.Document
|
||||||
|
import MetaBrush.Hover
|
||||||
|
( inPointClickRange )
|
||||||
|
import MetaBrush.Layer
|
||||||
|
import MetaBrush.Records
|
||||||
|
import MetaBrush.Stroke
|
||||||
|
import MetaBrush.Unique
|
||||||
|
( Unique, UniqueSupply, freshUnique )
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
-- | A draw anchor, to continue drawing from one end of an existing stroke.
|
||||||
|
data DrawAnchor
|
||||||
|
= DrawAnchor
|
||||||
|
{ anchorIsNew :: !Bool
|
||||||
|
, anchorStroke :: !Unique
|
||||||
|
, anchorIsAtEnd :: !Bool
|
||||||
|
, anchorPos :: !( ℝ 2 )
|
||||||
|
, anchorIndex :: !PointIndex
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Eq, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | Computes whether two anchors are the two ends of the same stroke.
|
||||||
|
anchorsAreComplementary :: DrawAnchor -> DrawAnchor -> Bool
|
||||||
|
anchorsAreComplementary
|
||||||
|
( DrawAnchor { anchorStroke = uniq1, anchorIndex = end1 } )
|
||||||
|
( DrawAnchor { anchorStroke = uniq2, anchorIndex = end2 } )
|
||||||
|
= uniq1 == uniq2 && end1 /= end2
|
||||||
|
|
||||||
|
-- | Compute a draw anchor at the given position, e.g. to continue
|
||||||
|
-- drawing a stroke or to start a new one.
|
||||||
|
getOrCreateDrawAnchor
|
||||||
|
:: UniqueSupply
|
||||||
|
-> ℝ 2
|
||||||
|
-> Document
|
||||||
|
-> STM ( Document, DrawAnchor )
|
||||||
|
getOrCreateDrawAnchor uniqueSupply c doc@( Document { documentContent = oldContent, documentMetadata } ) =
|
||||||
|
|
||||||
|
-- Deselect all points, and try to find a valid anchor for drawing
|
||||||
|
-- (a path start/end point at mouse click point).
|
||||||
|
|
||||||
|
case
|
||||||
|
Except.runExcept $
|
||||||
|
forStrokeHierarchy
|
||||||
|
( layerMetadata documentMetadata )
|
||||||
|
( strokeHierarchy oldContent )
|
||||||
|
findAnchor
|
||||||
|
of
|
||||||
|
-- Anchor found: use it.
|
||||||
|
Left anchor@( DrawAnchor { anchorStroke, anchorIndex }) ->
|
||||||
|
let newSel = StrokePoints $ Map.singleton anchorStroke ( Set.singleton anchorIndex )
|
||||||
|
newMeta :: DocumentMetadata
|
||||||
|
newMeta = documentMetadata { selectedPoints = newSel }
|
||||||
|
in pure ( doc { documentMetadata = newMeta }
|
||||||
|
, anchor )
|
||||||
|
-- No anchor found: start a new stroke (on a new stroke layer).
|
||||||
|
Right {} -> do
|
||||||
|
newStrokeUnique <- runReaderT freshUnique uniqueSupply
|
||||||
|
let
|
||||||
|
newSpline :: StrokeSpline Open ( Record ( '[] :: [ Symbol ] ) )
|
||||||
|
newSpline =
|
||||||
|
Spline { splineStart = PointData c ( MkR ℝ0 )
|
||||||
|
, splineCurves = OpenCurves Empty
|
||||||
|
}
|
||||||
|
newStroke :: Stroke
|
||||||
|
newStroke =
|
||||||
|
Stroke
|
||||||
|
{ strokeSpline = newSpline
|
||||||
|
, strokeBrush = Nothing :: Maybe ( NamedBrush ( '[] :: [ Symbol ] ) )
|
||||||
|
}
|
||||||
|
newSel = StrokePoints $ Map.singleton newStrokeUnique ( Set.singleton FirstPoint )
|
||||||
|
newMeta :: DocumentMetadata
|
||||||
|
newMeta =
|
||||||
|
set ( field' @"selectedPoints" ) newSel
|
||||||
|
. over ( field' @"layerMetadata" . field' @"layerNames" ) ( Map.insert newStrokeUnique "Stroke" )
|
||||||
|
$ documentMetadata
|
||||||
|
newHierarchy :: StrokeHierarchy
|
||||||
|
newHierarchy =
|
||||||
|
( strokeHierarchy oldContent )
|
||||||
|
{ topLevel = newStrokeUnique : topLevel ( strokeHierarchy oldContent )
|
||||||
|
, content = Map.insert newStrokeUnique newStroke ( content ( strokeHierarchy oldContent ) )
|
||||||
|
}
|
||||||
|
newContent :: DocumentContent
|
||||||
|
newContent = oldContent { strokeHierarchy = newHierarchy }
|
||||||
|
newDoc' :: Document
|
||||||
|
newDoc' =
|
||||||
|
doc { documentMetadata = newMeta
|
||||||
|
, documentContent = newContent
|
||||||
|
}
|
||||||
|
anchor =
|
||||||
|
DrawAnchor
|
||||||
|
{ anchorIsNew = True
|
||||||
|
, anchorStroke = newStrokeUnique
|
||||||
|
, anchorIsAtEnd = True
|
||||||
|
, anchorPos = c
|
||||||
|
, anchorIndex = FirstPoint
|
||||||
|
}
|
||||||
|
pure ( newDoc', anchor )
|
||||||
|
where
|
||||||
|
zoom = documentZoom documentMetadata
|
||||||
|
|
||||||
|
findAnchor :: Unique -> Stroke -> StrokeMetadata -> Except DrawAnchor UpdateStroke
|
||||||
|
findAnchor strokeUnique ( Stroke { strokeSpline }) ( StrokeMetadata { strokeVisible, strokeLocked } ) = do
|
||||||
|
when ( strokeVisible && not strokeLocked ) $
|
||||||
|
findAnchorSpline strokeSpline
|
||||||
|
return PreserveStroke
|
||||||
|
|
||||||
|
where
|
||||||
|
findAnchorSpline
|
||||||
|
:: forall clo brushParams
|
||||||
|
. SplineTypeI clo
|
||||||
|
=> StrokeSpline clo brushParams
|
||||||
|
-> Except DrawAnchor ()
|
||||||
|
findAnchorSpline spline =
|
||||||
|
for_ ( endpointAnchor strokeUnique spline ) Except.throwE
|
||||||
|
where
|
||||||
|
-- See if we can anchor a drawing operation on a given (visible) stroke.
|
||||||
|
endpointAnchor :: Unique -> StrokeSpline clo brushParams -> Maybe DrawAnchor
|
||||||
|
endpointAnchor uniq ( Spline { splineStart, splineCurves } ) = case ssplineType @clo of
|
||||||
|
SOpen
|
||||||
|
| let
|
||||||
|
p0 = coords splineStart
|
||||||
|
, inPointClickRange zoom c p0
|
||||||
|
, let anchor =
|
||||||
|
DrawAnchor
|
||||||
|
{ anchorIsNew = False
|
||||||
|
, anchorStroke = uniq
|
||||||
|
, anchorIsAtEnd = False
|
||||||
|
, anchorPos = p0
|
||||||
|
, anchorIndex = FirstPoint
|
||||||
|
}
|
||||||
|
-> Just anchor
|
||||||
|
| OpenCurves ( _ :|> lastCurve ) <- splineCurves
|
||||||
|
, let
|
||||||
|
pn :: ℝ 2
|
||||||
|
pn = coords ( openCurveEnd lastCurve )
|
||||||
|
, inPointClickRange zoom c pn
|
||||||
|
, let anchor =
|
||||||
|
DrawAnchor
|
||||||
|
{ anchorIsNew = False
|
||||||
|
, anchorStroke = uniq
|
||||||
|
, anchorIsAtEnd = True
|
||||||
|
, anchorPos = pn
|
||||||
|
, anchorIndex = PointIndex
|
||||||
|
( curveIndex $ curveData lastCurve )
|
||||||
|
PathPoint
|
||||||
|
}
|
||||||
|
-> Just anchor
|
||||||
|
_ -> Nothing
|
||||||
|
|
||||||
|
addToAnchor :: DrawAnchor -> StrokeSpline Open () -> Document -> Document
|
||||||
|
addToAnchor anchor newSpline doc@( Document { documentMetadata, documentContent = oldContent } ) =
|
||||||
|
let
|
||||||
|
strokes' =
|
||||||
|
runIdentity $
|
||||||
|
forStrokeHierarchy
|
||||||
|
( layerMetadata documentMetadata )
|
||||||
|
( strokeHierarchy oldContent )
|
||||||
|
( \ u s _ -> Identity $ updateStroke u s )
|
||||||
|
in doc { documentContent = oldContent { strokeHierarchy = strokes' } }
|
||||||
|
where
|
||||||
|
|
||||||
|
updateStroke :: Unique -> Stroke -> UpdateStroke
|
||||||
|
updateStroke strokeUnique stroke
|
||||||
|
| strokeUnique == anchorStroke anchor
|
||||||
|
, let
|
||||||
|
updateSpline
|
||||||
|
:: forall clo brushData
|
||||||
|
. SplineTypeI clo
|
||||||
|
=> StrokeSpline clo brushData -> StrokeSpline clo brushData
|
||||||
|
updateSpline prevSpline
|
||||||
|
| SOpen <- ssplineType @clo
|
||||||
|
= if anchorIsAtEnd anchor
|
||||||
|
then
|
||||||
|
let
|
||||||
|
setBrushData :: PointData () -> PointData brushData
|
||||||
|
setBrushData = set ( field @"brushParams" ) ( brushParams ( splineEnd prevSpline ) )
|
||||||
|
in prevSpline <> fmap setBrushData newSpline
|
||||||
|
else
|
||||||
|
let
|
||||||
|
setBrushData :: PointData () -> PointData brushData
|
||||||
|
setBrushData = set ( field @"brushParams" ) ( brushParams ( splineStart prevSpline ) )
|
||||||
|
in fmap setBrushData ( reverseSpline newSpline ) <> prevSpline
|
||||||
|
| otherwise
|
||||||
|
= assert False ( "addToAnchor: trying to add to closed spline " <> show strokeUnique )
|
||||||
|
prevSpline -- should never add to a closed spline
|
||||||
|
= UpdateStrokeTo $ overStrokeSpline updateSpline stroke
|
||||||
|
| otherwise
|
||||||
|
= PreserveStroke
|
||||||
|
|
||||||
|
withAnchorBrushData
|
||||||
|
:: forall r
|
||||||
|
. DrawAnchor
|
||||||
|
-> Document
|
||||||
|
-> ( forall pointParams ( pointFields :: [ Symbol ] ) ( brushFields :: [ Symbol ] )
|
||||||
|
. ( pointParams ~ Record pointFields
|
||||||
|
, PointFields pointFields
|
||||||
|
)
|
||||||
|
=> Maybe ( NamedBrush brushFields )
|
||||||
|
-> pointParams
|
||||||
|
-> r
|
||||||
|
)
|
||||||
|
-> r
|
||||||
|
withAnchorBrushData anchor ( Document { documentMetadata = Metadata { layerMetadata }, documentContent = Content { strokeHierarchy } } ) f =
|
||||||
|
splineAnchor $ Except.runExcept $ forStrokeHierarchy layerMetadata strokeHierarchy relevantStroke
|
||||||
|
where
|
||||||
|
|
||||||
|
relevantStroke :: Unique -> Stroke -> StrokeMetadata -> Except Stroke UpdateStroke
|
||||||
|
relevantStroke strokeUnique stroke _
|
||||||
|
| strokeUnique == anchorStroke anchor
|
||||||
|
= Except.throwE stroke
|
||||||
|
| otherwise
|
||||||
|
= return PreserveStroke
|
||||||
|
|
||||||
|
splineAnchor :: Either Stroke other -> r
|
||||||
|
splineAnchor ( Left ( Stroke { strokeSpline = strokeSpline :: StrokeSpline clo pointData, strokeBrush } ) )
|
||||||
|
| SOpen <- ssplineType @clo
|
||||||
|
= if anchorIsAtEnd anchor
|
||||||
|
then f strokeBrush ( brushParams ( splineEnd strokeSpline ) )
|
||||||
|
else f strokeBrush ( brushParams ( splineStart strokeSpline ) )
|
||||||
|
splineAnchor _
|
||||||
|
= f @_ @'[] @'[] Nothing ( MkR ℝ0 )
|
107
src/metabrushes/MetaBrush/Guide.hs
Normal file
107
src/metabrushes/MetaBrush/Guide.hs
Normal file
|
@ -0,0 +1,107 @@
|
||||||
|
{-# OPTIONS_GHC -Wno-orphans #-}
|
||||||
|
|
||||||
|
module MetaBrush.Guide where
|
||||||
|
|
||||||
|
-- base
|
||||||
|
import Data.Semigroup
|
||||||
|
( Arg(..), Min(..), ArgMin )
|
||||||
|
|
||||||
|
-- acts
|
||||||
|
import Data.Act
|
||||||
|
( Torsor(..) )
|
||||||
|
|
||||||
|
-- containers
|
||||||
|
import Data.Map.Strict
|
||||||
|
( Map )
|
||||||
|
import qualified Data.Map.Strict as Map
|
||||||
|
|
||||||
|
-- generic-lens
|
||||||
|
import Data.Generics.Product.Fields
|
||||||
|
( field' )
|
||||||
|
|
||||||
|
-- stm
|
||||||
|
import Control.Concurrent.STM
|
||||||
|
( STM )
|
||||||
|
|
||||||
|
-- transformers
|
||||||
|
import Control.Monad.Trans.Reader
|
||||||
|
( ReaderT, runReaderT )
|
||||||
|
|
||||||
|
-- brush-strokes
|
||||||
|
import Math.Module
|
||||||
|
( Inner((^.^))
|
||||||
|
, squaredNorm
|
||||||
|
)
|
||||||
|
import Math.Linear
|
||||||
|
( ℝ(..), T(..) )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import MetaBrush.Document
|
||||||
|
import MetaBrush.Hover
|
||||||
|
import MetaBrush.Unique
|
||||||
|
( UniqueSupply, Unique, freshUnique )
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
-- Guides.
|
||||||
|
|
||||||
|
data Ruler
|
||||||
|
= RulerCorner
|
||||||
|
| LeftRuler
|
||||||
|
| TopRuler
|
||||||
|
deriving stock Show
|
||||||
|
|
||||||
|
-- | Try to select a guide at the given document coordinates.
|
||||||
|
selectedGuide :: ℝ 2 -> Zoom -> Map Unique Guide -> Maybe ( Unique, Guide )
|
||||||
|
selectedGuide c zoom guides =
|
||||||
|
\case { Min ( Arg _ g ) -> g } <$> Map.foldMapWithKey ( selectGuide_maybe c zoom ) guides
|
||||||
|
|
||||||
|
selectGuide_maybe :: ℝ 2 -> Zoom -> unique -> Guide -> Maybe ( ArgMin Double ( unique, Guide ) )
|
||||||
|
selectGuide_maybe c ( Zoom { zoomFactor } ) u guide@( Guide { guidePoint = p, guideNormal = n } )
|
||||||
|
| sqDist * zoomFactor ^ ( 2 :: Int ) < 4
|
||||||
|
= Just ( Min ( Arg sqDist ( u, guide ) ) )
|
||||||
|
| otherwise
|
||||||
|
= Nothing
|
||||||
|
where
|
||||||
|
t :: Double
|
||||||
|
t = ( c --> p ) ^.^ n
|
||||||
|
sqDist :: Double
|
||||||
|
sqDist = t ^ ( 2 :: Int ) / squaredNorm n
|
||||||
|
|
||||||
|
-- | Add new guide after a mouse drag from a ruler area.
|
||||||
|
addGuide :: UniqueSupply -> Ruler -> ℝ 2 -> Document -> STM Document
|
||||||
|
addGuide uniqueSupply ruler p doc = ( `runReaderT` uniqueSupply ) $ ( field' @"documentMetadata" . field' @"documentGuides" ) insertNewGuides doc
|
||||||
|
where
|
||||||
|
insertNewGuides :: Map Unique Guide -> ReaderT UniqueSupply STM ( Map Unique Guide )
|
||||||
|
insertNewGuides gs = case ruler of
|
||||||
|
RulerCorner
|
||||||
|
-> do
|
||||||
|
uniq1 <- freshUnique
|
||||||
|
uniq2 <- freshUnique
|
||||||
|
let
|
||||||
|
guide1, guide2 :: Guide
|
||||||
|
guide1 = Guide { guidePoint = p, guideNormal = V2 0 1 }
|
||||||
|
guide2 = Guide { guidePoint = p, guideNormal = V2 1 0 }
|
||||||
|
pure ( Map.insert uniq2 guide2 . Map.insert uniq1 guide1 $ gs )
|
||||||
|
TopRuler
|
||||||
|
-> do
|
||||||
|
uniq1 <- freshUnique
|
||||||
|
let
|
||||||
|
guide1 :: Guide
|
||||||
|
guide1 = Guide { guidePoint = p, guideNormal = V2 0 1 }
|
||||||
|
pure ( Map.insert uniq1 guide1 gs )
|
||||||
|
LeftRuler
|
||||||
|
-> do
|
||||||
|
uniq2 <- freshUnique
|
||||||
|
let
|
||||||
|
guide2 :: Guide
|
||||||
|
guide2 = Guide { guidePoint = p, guideNormal = V2 1 0 }
|
||||||
|
pure ( Map.insert uniq2 guide2 gs )
|
||||||
|
|
||||||
|
instance Hoverable Guide where
|
||||||
|
hovered ( MouseHover c ) zoom guide
|
||||||
|
| Just {} <- selectGuide_maybe c zoom () guide
|
||||||
|
= True
|
||||||
|
| otherwise
|
||||||
|
= False
|
||||||
|
hovered ( RectangleHover {} ) _ _
|
||||||
|
= False
|
82
src/metabrushes/MetaBrush/Hover.hs
Normal file
82
src/metabrushes/MetaBrush/Hover.hs
Normal file
|
@ -0,0 +1,82 @@
|
||||||
|
module MetaBrush.Hover where
|
||||||
|
|
||||||
|
-- base
|
||||||
|
import GHC.Generics
|
||||||
|
( Generic )
|
||||||
|
|
||||||
|
-- acts
|
||||||
|
import Data.Act
|
||||||
|
( Act(..) )
|
||||||
|
|
||||||
|
|
||||||
|
-- deepseq
|
||||||
|
import Control.DeepSeq
|
||||||
|
( NFData(..) )
|
||||||
|
|
||||||
|
-- brush-strokes
|
||||||
|
import Math.Module
|
||||||
|
( quadrance
|
||||||
|
, closestPointOnSegment
|
||||||
|
)
|
||||||
|
import Math.Linear
|
||||||
|
( ℝ(..), T(..), Segment(..) )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import MetaBrush.Document
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
-- | An axis-aligned bounding box.
|
||||||
|
data AABB
|
||||||
|
= AABB
|
||||||
|
{ topLeft, botRight :: !( ℝ 2 ) }
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | Create an 'AABB'.
|
||||||
|
mkAABB :: ℝ 2 -> ℝ 2 -> AABB
|
||||||
|
mkAABB ( ℝ2 x1 y1 ) ( ℝ2 x2 y2 ) = AABB ( ℝ2 xmin ymin ) ( ℝ2 xmax ymax )
|
||||||
|
where
|
||||||
|
( xmin, xmax )
|
||||||
|
| x1 > x2 = ( x2, x1 )
|
||||||
|
| otherwise = ( x1, x2 )
|
||||||
|
( ymin, ymax )
|
||||||
|
| y1 > y2 = ( y2, y1 )
|
||||||
|
| otherwise = ( y1, y2 )
|
||||||
|
|
||||||
|
-- | A hover (mouse cursor or entire rectangle).
|
||||||
|
data HoverContext
|
||||||
|
= MouseHover !( ℝ 2 )
|
||||||
|
| RectangleHover !AABB
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
instance Act ( T ( ℝ 2 ) ) HoverContext where
|
||||||
|
v • MouseHover p = MouseHover ( v • p )
|
||||||
|
v • RectangleHover ( AABB p1 p2 ) = RectangleHover ( AABB ( v • p1 ) ( v • p2 ) )
|
||||||
|
|
||||||
|
instance Act ( T ( ℝ 2 ) ) ( Maybe HoverContext ) where
|
||||||
|
(•) v = fmap ( v • )
|
||||||
|
|
||||||
|
class Hoverable a where
|
||||||
|
hovered :: HoverContext -> Zoom -> a -> Bool
|
||||||
|
|
||||||
|
instance Hoverable ( ℝ 2 ) where
|
||||||
|
hovered ( MouseHover p ) zoom q
|
||||||
|
= inPointClickRange zoom p q
|
||||||
|
hovered ( RectangleHover ( AABB ( ℝ2 x1 y1 ) ( ℝ2 x2 y2 ) ) ) _ ( ℝ2 x y )
|
||||||
|
= x >= x1 && x <= x2 && y >= y1 && y <= y2
|
||||||
|
|
||||||
|
instance Hoverable ( Segment ( ℝ 2 ) ) where
|
||||||
|
hovered ( MouseHover p ) zoom seg
|
||||||
|
= hovered ( MouseHover p ) zoom p'
|
||||||
|
where
|
||||||
|
( _, p' ) = closestPointOnSegment @( T ( ℝ 2 ) ) p seg
|
||||||
|
hovered hov@(RectangleHover {} ) zoom ( Segment p0 p1 )
|
||||||
|
-- Only consider a segment to be "hovered" if it lies entirely within the
|
||||||
|
-- hover rectangle, not just if the hover rectangle intersects it.
|
||||||
|
= hovered hov zoom p0 && hovered hov zoom p1
|
||||||
|
|
||||||
|
inPointClickRange :: Zoom -> ℝ 2 -> ℝ 2 -> Bool
|
||||||
|
inPointClickRange ( Zoom { zoomFactor } ) c p =
|
||||||
|
quadrance @( T ( ℝ 2 ) ) c p < 16 / ( zoomFactor * zoomFactor )
|
88
src/metabrushes/MetaBrush/Layer.hs
Normal file
88
src/metabrushes/MetaBrush/Layer.hs
Normal file
|
@ -0,0 +1,88 @@
|
||||||
|
module MetaBrush.Layer where
|
||||||
|
|
||||||
|
-- base
|
||||||
|
import Data.Word
|
||||||
|
( Word32 )
|
||||||
|
import GHC.Generics
|
||||||
|
( Generically(..), Generic )
|
||||||
|
|
||||||
|
-- containers
|
||||||
|
import Data.Map.Strict
|
||||||
|
( Map )
|
||||||
|
import qualified Data.Map.Strict as Map
|
||||||
|
import Data.Set
|
||||||
|
( Set )
|
||||||
|
|
||||||
|
-- deepseq
|
||||||
|
import Control.DeepSeq
|
||||||
|
( NFData(..) )
|
||||||
|
|
||||||
|
-- text
|
||||||
|
import Data.Text
|
||||||
|
( Text )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import MetaBrush.Unique
|
||||||
|
( Unique )
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
-- | A layer: either a stroke or a group.
|
||||||
|
data Layer
|
||||||
|
= StrokeLayer { layerUnique :: !Unique }
|
||||||
|
| GroupLayer { layerUnique :: !Unique }
|
||||||
|
deriving stock ( Show, Eq, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | Metadata about layers, e.g. their names and their visibilities.
|
||||||
|
data LayerMetadata =
|
||||||
|
LayerMetadata
|
||||||
|
{ layerNames :: !( Map Unique Text )
|
||||||
|
, invisibleLayers :: !( Set Unique )
|
||||||
|
, lockedLayers :: !( Set Unique )
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
deriving ( Semigroup, Monoid )
|
||||||
|
via Generically LayerMetadata
|
||||||
|
|
||||||
|
-- | A parent of a layer.
|
||||||
|
data Parent a
|
||||||
|
-- | The layer is at the top level.
|
||||||
|
= Root
|
||||||
|
-- | The layer has this parent.
|
||||||
|
| Parent !a
|
||||||
|
deriving stock ( Show, Eq, Ord, Functor, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | An item within a parent.
|
||||||
|
data WithinParent a =
|
||||||
|
WithinParent
|
||||||
|
{ parent :: !( Parent Unique )
|
||||||
|
, item :: !a
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Eq, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | A child layer within a parent.
|
||||||
|
type ChildLayer = WithinParent Unique
|
||||||
|
-- | A child layer, with its index among the list of children of its parent.
|
||||||
|
type ChildLayerPosition = WithinParent Word32
|
||||||
|
|
||||||
|
-- | Content in a hierarchical tree-like structure.
|
||||||
|
data Hierarchy a =
|
||||||
|
Hierarchy
|
||||||
|
{ topLevel :: ![ Unique ]
|
||||||
|
, groups :: !( Map Unique [ Unique ] )
|
||||||
|
, content :: !( Map Unique a )
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Eq, Functor, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
emptyHierarchy :: Hierarchy a
|
||||||
|
emptyHierarchy =
|
||||||
|
Hierarchy
|
||||||
|
{ topLevel = []
|
||||||
|
, groups = Map.empty
|
||||||
|
, content = Map.empty
|
||||||
|
}
|
|
@ -5,7 +5,6 @@
|
||||||
module MetaBrush.Serialisable
|
module MetaBrush.Serialisable
|
||||||
( Serialisable(..)
|
( Serialisable(..)
|
||||||
, encodeSequence, decodeSequence
|
, encodeSequence, decodeSequence
|
||||||
, encodeUniqueMap, decodeUniqueMap
|
|
||||||
, encodeCurve, decodeCurve
|
, encodeCurve, decodeCurve
|
||||||
, encodeCurves, decodeCurves
|
, encodeCurves, decodeCurves
|
||||||
, encodeSpline, decodeSpline
|
, encodeSpline, decodeSpline
|
||||||
|
@ -13,10 +12,7 @@ module MetaBrush.Serialisable
|
||||||
where
|
where
|
||||||
|
|
||||||
-- base
|
-- base
|
||||||
import Control.Arrow
|
|
||||||
( (&&&) )
|
|
||||||
import Control.Monad.ST
|
|
||||||
( RealWorld, stToIO )
|
|
||||||
import Data.Foldable
|
import Data.Foldable
|
||||||
( toList )
|
( toList )
|
||||||
import Data.Functor
|
import Data.Functor
|
||||||
|
@ -25,29 +21,17 @@ import Data.Functor.Contravariant
|
||||||
( contramap )
|
( contramap )
|
||||||
import Data.Functor.Identity
|
import Data.Functor.Identity
|
||||||
( Identity(..) )
|
( Identity(..) )
|
||||||
import Data.STRef
|
import Data.IORef
|
||||||
( newSTRef )
|
( newIORef, atomicModifyIORef' )
|
||||||
import Data.Traversable
|
import Data.Traversable
|
||||||
( for )
|
( for )
|
||||||
|
|
||||||
-- containers
|
-- containers
|
||||||
import Data.Map.Strict
|
|
||||||
( Map )
|
|
||||||
import qualified Data.Map.Strict as Map
|
|
||||||
( elems, fromList )
|
|
||||||
import Data.Sequence
|
import Data.Sequence
|
||||||
( Seq )
|
( Seq )
|
||||||
import qualified Data.Sequence as Seq
|
import qualified Data.Sequence as Seq
|
||||||
( fromList )
|
( fromList )
|
||||||
|
|
||||||
-- generic-lens
|
|
||||||
import Data.Generics.Product.Typed
|
|
||||||
( HasType(typed) )
|
|
||||||
|
|
||||||
-- lens
|
|
||||||
import Control.Lens
|
|
||||||
( view )
|
|
||||||
|
|
||||||
-- scientific
|
-- scientific
|
||||||
import qualified Data.Scientific as Scientific
|
import qualified Data.Scientific as Scientific
|
||||||
( fromFloatDigits, toRealFloat )
|
( fromFloatDigits, toRealFloat )
|
||||||
|
@ -66,26 +50,20 @@ import Control.Monad.Trans.Class
|
||||||
import qualified Waargonaut.Decode as JSON
|
import qualified Waargonaut.Decode as JSON
|
||||||
( Decoder )
|
( Decoder )
|
||||||
import qualified Waargonaut.Decode as JSON.Decoder
|
import qualified Waargonaut.Decode as JSON.Decoder
|
||||||
( atKey, atKeyOptional, list, scientific, text )
|
|
||||||
import qualified Waargonaut.Encode as JSON
|
import qualified Waargonaut.Encode as JSON
|
||||||
( Encoder )
|
( Encoder )
|
||||||
import qualified Waargonaut.Encode as JSON.Encoder
|
import qualified Waargonaut.Encode as JSON.Encoder
|
||||||
( atKey', keyValueTupleFoldable, list, mapLikeObj, scientific, text, either )
|
|
||||||
|
|
||||||
-- meta-brushes
|
-- meta-brushes
|
||||||
import Math.Bezier.Spline
|
import Math.Bezier.Spline
|
||||||
( Spline(..), SplineType(..), SSplineType(..), SplineTypeI(..)
|
( Spline(..), SplineType(..), SSplineType(..), SplineTypeI(..)
|
||||||
, Curves(..), Curve(..), NextPoint(..)
|
, Curves(..), Curve(..), NextPoint(..)
|
||||||
)
|
)
|
||||||
import Math.Bezier.Stroke
|
|
||||||
( CachedStroke(..) )
|
|
||||||
import Math.Linear
|
import Math.Linear
|
||||||
( ℝ(..), T(..)
|
( ℝ(..), T(..)
|
||||||
, Fin(..), Representable(tabulate, index)
|
, Fin(..), Representable(tabulate, index)
|
||||||
)
|
)
|
||||||
import MetaBrush.Records
|
import MetaBrush.Records
|
||||||
import MetaBrush.Unique
|
|
||||||
( Unique )
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
@ -101,13 +79,15 @@ instance Serialisable ( ℝ 2 ) where
|
||||||
encoder = JSON.Encoder.mapLikeObj \ ( ℝ2 x y ) ->
|
encoder = JSON.Encoder.mapLikeObj \ ( ℝ2 x y ) ->
|
||||||
JSON.Encoder.atKey' "x" encoder x
|
JSON.Encoder.atKey' "x" encoder x
|
||||||
. JSON.Encoder.atKey' "y" encoder y
|
. JSON.Encoder.atKey' "y" encoder y
|
||||||
decoder = ℝ2 <$> JSON.Decoder.atKey "x" decoder <*> JSON.Decoder.atKey "y" decoder
|
decoder = ℝ2 <$> JSON.Decoder.atKey "x" decoder
|
||||||
|
<*> JSON.Decoder.atKey "y" decoder
|
||||||
instance Serialisable ( T ( ℝ 2 ) ) where
|
instance Serialisable ( T ( ℝ 2 ) ) where
|
||||||
encoder = JSON.Encoder.mapLikeObj \ ( V2 x y ) ->
|
encoder = JSON.Encoder.mapLikeObj \ ( V2 x y ) ->
|
||||||
JSON.Encoder.atKey' "x" encoder x
|
JSON.Encoder.atKey' "x" encoder x
|
||||||
. JSON.Encoder.atKey' "y" encoder y
|
. JSON.Encoder.atKey' "y" encoder y
|
||||||
decoder = V2 <$> JSON.Decoder.atKey "x" decoder <*> JSON.Decoder.atKey "y" decoder
|
decoder = V2 <$> JSON.Decoder.atKey "x" decoder
|
||||||
|
<*> JSON.Decoder.atKey "y" decoder
|
||||||
|
|
||||||
instance ( KnownSymbols ks, Representable Double ( ℝ ( Length ks ) ) )
|
instance ( KnownSymbols ks, Representable Double ( ℝ ( Length ks ) ) )
|
||||||
=> Serialisable ( Record ks ) where
|
=> Serialisable ( Record ks ) where
|
||||||
encoder = contramap encodeFields ( JSON.Encoder.keyValueTupleFoldable ( encoder @Double ) )
|
encoder = contramap encodeFields ( JSON.Encoder.keyValueTupleFoldable ( encoder @Double ) )
|
||||||
|
@ -131,16 +111,6 @@ encodeSequence enc = contramap toList ( JSON.Encoder.list enc )
|
||||||
decodeSequence :: Monad m => JSON.Decoder m a -> JSON.Decoder m ( Seq a )
|
decodeSequence :: Monad m => JSON.Decoder m a -> JSON.Decoder m ( Seq a )
|
||||||
decodeSequence dec = Seq.fromList <$> JSON.Decoder.list dec
|
decodeSequence dec = Seq.fromList <$> JSON.Decoder.list dec
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
encodeUniqueMap :: Applicative f => JSON.Encoder f a -> JSON.Encoder f ( Map Unique a )
|
|
||||||
encodeUniqueMap enc = contramap Map.elems ( JSON.Encoder.list enc )
|
|
||||||
|
|
||||||
decodeUniqueMap :: ( Monad m, HasType Unique a ) => JSON.Decoder m a -> JSON.Decoder m ( Map Unique a )
|
|
||||||
decodeUniqueMap dec = Map.fromList . map ( view typed &&& id ) <$> JSON.Decoder.list dec
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
{-
|
{-
|
||||||
encodeMat22 :: Applicative f => JSON.Encoder' a -> JSON.Encoder f ( Mat22 a )
|
encodeMat22 :: Applicative f => JSON.Encoder' a -> JSON.Encoder f ( Mat22 a )
|
||||||
encodeMat22 enc = JSON.Encoder.mapLikeObj \ ( Mat22 m00 m01 m10 m11 ) ->
|
encodeMat22 enc = JSON.Encoder.mapLikeObj \ ( Mat22 m00 m01 m10 m11 ) ->
|
||||||
|
@ -202,36 +172,35 @@ encodeCurve encodePtData = case ssplineType @clo of
|
||||||
. JSON.Encoder.atKey' "p2" encodePtData p2
|
. JSON.Encoder.atKey' "p2" encodePtData p2
|
||||||
|
|
||||||
decodeCurve
|
decodeCurve
|
||||||
:: forall clo ptData m
|
:: forall clo ptData crvData m
|
||||||
. ( SplineTypeI clo, MonadIO m )
|
. ( SplineTypeI clo, MonadIO m )
|
||||||
=> JSON.Decoder m ptData
|
=> JSON.Decoder m ptData
|
||||||
-> JSON.Decoder m ( Curve clo ( CachedStroke RealWorld ) ptData )
|
-> JSON.Decoder m crvData
|
||||||
decodeCurve decodePtData = do
|
-> JSON.Decoder m ( Curve clo crvData ptData )
|
||||||
noCache <- lift . liftIO . stToIO $ CachedStroke <$> newSTRef Nothing
|
decodeCurve decodePtData decodeCrvData = do
|
||||||
|
crv <- decodeCrvData
|
||||||
case ssplineType @clo of
|
case ssplineType @clo of
|
||||||
SOpen -> do
|
SOpen -> do
|
||||||
p1 <- JSON.Decoder.atKey "p1" decodePtData
|
p1 <- JSON.Decoder.atKey "p1" decodePtData
|
||||||
mb_p2 <- JSON.Decoder.atKeyOptional "p2" decodePtData
|
mb_p2 <- JSON.Decoder.atKeyOptional "p2" decodePtData
|
||||||
case mb_p2 of
|
case mb_p2 of
|
||||||
Nothing ->
|
Nothing ->
|
||||||
pure ( LineTo ( NextPoint p1 ) noCache )
|
pure ( LineTo ( NextPoint p1 ) crv)
|
||||||
Just p2 -> do
|
Just p2 -> do
|
||||||
mb_p3 <- JSON.Decoder.atKeyOptional "p3" decodePtData
|
mb_p3 <- JSON.Decoder.atKeyOptional "p3" decodePtData
|
||||||
case mb_p3 of
|
case mb_p3 of
|
||||||
Nothing -> pure ( Bezier2To p1 ( NextPoint p2 ) noCache )
|
Nothing -> pure ( Bezier2To p1 ( NextPoint p2 ) crv )
|
||||||
Just p3 -> pure ( Bezier3To p1 p2 ( NextPoint p3 ) noCache )
|
Just p3 -> pure ( Bezier3To p1 p2 ( NextPoint p3 ) crv )
|
||||||
SClosed -> do
|
SClosed -> do
|
||||||
mb_p1 <- JSON.Decoder.atKeyOptional "p1" decodePtData
|
mb_p1 <- JSON.Decoder.atKeyOptional "p1" decodePtData
|
||||||
case mb_p1 of
|
case mb_p1 of
|
||||||
Nothing ->
|
Nothing ->
|
||||||
pure ( LineTo BackToStart noCache )
|
pure ( LineTo BackToStart crv )
|
||||||
Just p1 -> do
|
Just p1 -> do
|
||||||
mb_p2 <- JSON.Decoder.atKeyOptional "p2" decodePtData
|
mb_p2 <- JSON.Decoder.atKeyOptional "p2" decodePtData
|
||||||
case mb_p2 of
|
case mb_p2 of
|
||||||
Nothing -> pure ( Bezier2To p1 BackToStart noCache )
|
Nothing -> pure ( Bezier2To p1 BackToStart crv )
|
||||||
Just p2 -> pure ( Bezier3To p1 p2 BackToStart noCache )
|
Just p2 -> pure ( Bezier3To p1 p2 BackToStart crv )
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
encodeCurves
|
encodeCurves
|
||||||
:: forall clo crvData ptData f
|
:: forall clo crvData ptData f
|
||||||
|
@ -250,19 +219,20 @@ encodeCurves encodePtData = case ssplineType @clo of
|
||||||
. JSON.Encoder.atKey' "lastClosedCurve" ( encodeCurve @Closed encodePtData ) closedCurve
|
. JSON.Encoder.atKey' "lastClosedCurve" ( encodeCurve @Closed encodePtData ) closedCurve
|
||||||
|
|
||||||
decodeCurves
|
decodeCurves
|
||||||
:: forall clo ptData m
|
:: forall clo ptData crvData m
|
||||||
. ( SplineTypeI clo, MonadIO m )
|
. ( SplineTypeI clo, MonadIO m )
|
||||||
=> JSON.Decoder m ptData
|
=> JSON.Decoder m ptData
|
||||||
-> JSON.Decoder m ( Curves clo ( CachedStroke RealWorld ) ptData )
|
-> JSON.Decoder m crvData
|
||||||
decodeCurves decodePtData = case ssplineType @clo of
|
-> JSON.Decoder m ( Curves clo crvData ptData )
|
||||||
SOpen -> OpenCurves <$> decodeSequence ( decodeCurve @Open decodePtData )
|
decodeCurves decodePtData decodeCrvData = case ssplineType @clo of
|
||||||
|
SOpen -> OpenCurves <$> decodeSequence ( decodeCurve @Open decodePtData decodeCrvData )
|
||||||
SClosed -> do
|
SClosed -> do
|
||||||
mbNoCurves <- JSON.Decoder.atKeyOptional "NoCurves" ( JSON.Decoder.text )
|
mbNoCurves <- JSON.Decoder.atKeyOptional "NoCurves" ( JSON.Decoder.text )
|
||||||
case mbNoCurves of
|
case mbNoCurves of
|
||||||
Just _ -> pure NoCurves
|
Just _ -> pure NoCurves
|
||||||
Nothing -> do
|
Nothing -> do
|
||||||
prevCurves <- JSON.Decoder.atKey "prevOpenCurves" ( decodeSequence $ decodeCurve @Open decodePtData )
|
prevCurves <- JSON.Decoder.atKey "prevOpenCurves" ( decodeSequence $ decodeCurve @Open decodePtData decodeCrvData )
|
||||||
lastCurve <- JSON.Decoder.atKey "lastClosedCurve" ( decodeCurve @Closed decodePtData )
|
lastCurve <- JSON.Decoder.atKey "lastClosedCurve" ( decodeCurve @Closed decodePtData decodeCrvData )
|
||||||
pure ( ClosedCurves prevCurves lastCurve )
|
pure ( ClosedCurves prevCurves lastCurve )
|
||||||
|
|
||||||
|
|
||||||
|
@ -277,11 +247,17 @@ encodeSpline encodePtData = JSON.Encoder.mapLikeObj \ ( Spline { splineStart, sp
|
||||||
. JSON.Encoder.atKey' "splineCurves" ( encodeCurves @clo encodePtData ) splineCurves
|
. JSON.Encoder.atKey' "splineCurves" ( encodeCurves @clo encodePtData ) splineCurves
|
||||||
|
|
||||||
decodeSpline
|
decodeSpline
|
||||||
:: forall clo ptData m
|
:: forall clo ptData crvData m
|
||||||
. ( SplineTypeI clo, MonadIO m )
|
. ( SplineTypeI clo, MonadIO m )
|
||||||
=> JSON.Decoder m ptData
|
=> JSON.Decoder m ptData
|
||||||
-> JSON.Decoder m ( Spline clo ( CachedStroke RealWorld ) ptData )
|
-> ( Integer -> m crvData )
|
||||||
decodeSpline decodePtData = do
|
-> JSON.Decoder m ( Spline clo crvData ptData )
|
||||||
|
decodeSpline decodePtData newCurve = do
|
||||||
|
ref <- lift $ liftIO $ newIORef 0
|
||||||
|
let newCrvData :: m crvData
|
||||||
|
newCrvData = do
|
||||||
|
i <- liftIO $ atomicModifyIORef' ref ( \ o -> ( o + 1, o ) )
|
||||||
|
newCurve i
|
||||||
splineStart <- JSON.Decoder.atKey "splineStart" decodePtData
|
splineStart <- JSON.Decoder.atKey "splineStart" decodePtData
|
||||||
splineCurves <- JSON.Decoder.atKey "splineCurves" ( decodeCurves @clo decodePtData )
|
splineCurves <- JSON.Decoder.atKey "splineCurves" ( decodeCurves @clo decodePtData ( lift newCrvData ) )
|
||||||
pure ( Spline { splineStart, splineCurves } )
|
pure ( Spline { splineStart, splineCurves } )
|
||||||
|
|
366
src/metabrushes/MetaBrush/Stroke.hs
Normal file
366
src/metabrushes/MetaBrush/Stroke.hs
Normal file
|
@ -0,0 +1,366 @@
|
||||||
|
{-# LANGUAGE ScopedTypeVariables #-}
|
||||||
|
{-# LANGUAGE UndecidableInstances #-}
|
||||||
|
|
||||||
|
module MetaBrush.Stroke where
|
||||||
|
|
||||||
|
-- base
|
||||||
|
import Control.Monad.ST
|
||||||
|
( RealWorld )
|
||||||
|
import Data.Coerce
|
||||||
|
( coerce )
|
||||||
|
import Data.Foldable
|
||||||
|
( foldr' )
|
||||||
|
import Data.Functor.Identity
|
||||||
|
( Identity(..) )
|
||||||
|
import Data.Typeable
|
||||||
|
( Typeable )
|
||||||
|
import GHC.Generics
|
||||||
|
( Generic, Generic1 )
|
||||||
|
import GHC.Stack
|
||||||
|
( HasCallStack )
|
||||||
|
import GHC.TypeLits
|
||||||
|
( Symbol )
|
||||||
|
|
||||||
|
-- acts
|
||||||
|
import Data.Act
|
||||||
|
( Act(..), Torsor(..) )
|
||||||
|
|
||||||
|
-- containers
|
||||||
|
import qualified Data.Map.Strict as Map
|
||||||
|
import qualified Data.Set as Set
|
||||||
|
|
||||||
|
-- deepseq
|
||||||
|
import Control.DeepSeq
|
||||||
|
( NFData(..), NFData1 )
|
||||||
|
|
||||||
|
-- generic-lens
|
||||||
|
import Data.Generics.Product.Fields
|
||||||
|
( field' )
|
||||||
|
|
||||||
|
-- groups
|
||||||
|
import Data.Group
|
||||||
|
( Group(..) )
|
||||||
|
|
||||||
|
-- lens
|
||||||
|
import Control.Lens
|
||||||
|
( Lens'
|
||||||
|
, view, over
|
||||||
|
)
|
||||||
|
|
||||||
|
-- text
|
||||||
|
import Data.Text
|
||||||
|
( Text )
|
||||||
|
|
||||||
|
-- transformers
|
||||||
|
import Control.Monad.State.Strict
|
||||||
|
( State )
|
||||||
|
import qualified Control.Monad.State.Strict as State
|
||||||
|
|
||||||
|
-- brush-strokes
|
||||||
|
import Math.Bezier.Spline
|
||||||
|
( Spline(..), KnownSplineType
|
||||||
|
, PointType(..)
|
||||||
|
)
|
||||||
|
import Math.Bezier.Stroke
|
||||||
|
( CachedStroke )
|
||||||
|
import Math.Module
|
||||||
|
( Module
|
||||||
|
( origin, (^+^), (^-^), (*^) )
|
||||||
|
)
|
||||||
|
import Math.Linear
|
||||||
|
( ℝ(..), T(..) )
|
||||||
|
|
||||||
|
-- MetaBrush
|
||||||
|
import MetaBrush.Brush
|
||||||
|
( NamedBrush, PointFields )
|
||||||
|
import MetaBrush.Layer hiding ( Layer(..) )
|
||||||
|
import MetaBrush.Records
|
||||||
|
import MetaBrush.Unique
|
||||||
|
( Unique )
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
-- | Data attached to each point on a spline.
|
||||||
|
data PointData params
|
||||||
|
= PointData
|
||||||
|
{ pointCoords :: !( ℝ 2 )
|
||||||
|
, brushParams :: !params
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
-- | Data attached to each curve in a spline.
|
||||||
|
data CurveData =
|
||||||
|
CurveData
|
||||||
|
{ curveIndex :: !Rational
|
||||||
|
, cachedStroke :: !( CachedStroke RealWorld )
|
||||||
|
}
|
||||||
|
deriving stock Generic
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
instance Show CurveData where
|
||||||
|
show ( CurveData { curveIndex } ) = show curveIndex
|
||||||
|
instance Eq CurveData where
|
||||||
|
( CurveData { curveIndex = i1 } ) == ( CurveData { curveIndex = i2 } )
|
||||||
|
= i1 == i2
|
||||||
|
instance Ord CurveData where
|
||||||
|
compare ( CurveData { curveIndex = i1 } ) ( CurveData { curveIndex = i2 } )
|
||||||
|
= compare i1 i2
|
||||||
|
|
||||||
|
-- | An index for a point on a spline.
|
||||||
|
data PointIndex
|
||||||
|
= FirstPoint
|
||||||
|
| PointIndex
|
||||||
|
-- | Which curve the point belongs to.
|
||||||
|
{ pointCurve :: !Rational
|
||||||
|
-- | Index within a curve.
|
||||||
|
, pointType :: !PointType
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Eq, Ord, Generic )
|
||||||
|
deriving anyclass NFData
|
||||||
|
|
||||||
|
_coords :: Lens' ( PointData brushParams ) ( ℝ 2 )
|
||||||
|
_coords = field' @"pointCoords"
|
||||||
|
|
||||||
|
coords :: PointData brushParams -> ℝ 2
|
||||||
|
coords = view _coords
|
||||||
|
|
||||||
|
type StrokeSpline clo brushParams =
|
||||||
|
Spline clo CurveData ( PointData brushParams )
|
||||||
|
|
||||||
|
data Stroke where
|
||||||
|
Stroke
|
||||||
|
:: forall clo pointParams ( pointFields :: [ Symbol ] ) ( brushFields :: [ Symbol ] )
|
||||||
|
. ( KnownSplineType clo
|
||||||
|
, pointParams ~ Record pointFields
|
||||||
|
, PointFields pointFields, Typeable pointFields
|
||||||
|
)
|
||||||
|
=>
|
||||||
|
{ strokeBrush :: !( Maybe ( NamedBrush brushFields ) )
|
||||||
|
, strokeSpline :: !( StrokeSpline clo pointParams )
|
||||||
|
}
|
||||||
|
-> Stroke
|
||||||
|
deriving stock instance Show Stroke
|
||||||
|
instance NFData Stroke where
|
||||||
|
rnf ( Stroke { strokeBrush, strokeSpline } )
|
||||||
|
= rnf strokeBrush `seq` rnf strokeSpline
|
||||||
|
|
||||||
|
_strokeSpline
|
||||||
|
:: forall f
|
||||||
|
. Functor f
|
||||||
|
=> ( forall clo pointParams ( pointFields :: [ Symbol ] )
|
||||||
|
. ( KnownSplineType clo
|
||||||
|
, pointParams ~ Record pointFields
|
||||||
|
, PointFields pointFields
|
||||||
|
)
|
||||||
|
=> StrokeSpline clo pointParams
|
||||||
|
-> f ( StrokeSpline clo pointParams )
|
||||||
|
)
|
||||||
|
-> Stroke -> f Stroke
|
||||||
|
_strokeSpline f ( Stroke { strokeSpline = oldStrokeSpline, .. } )
|
||||||
|
= ( \ newSpline -> Stroke { strokeSpline = newSpline, .. } ) <$> f oldStrokeSpline
|
||||||
|
|
||||||
|
overStrokeSpline
|
||||||
|
:: ( forall clo pointParams ( pointFields :: [ Symbol ] )
|
||||||
|
. ( KnownSplineType clo
|
||||||
|
, pointParams ~ Record pointFields
|
||||||
|
, PointFields pointFields
|
||||||
|
)
|
||||||
|
=> StrokeSpline clo pointParams
|
||||||
|
-> StrokeSpline clo pointParams
|
||||||
|
)
|
||||||
|
-> Stroke -> Stroke
|
||||||
|
overStrokeSpline f = coerce ( _strokeSpline @Identity ( coerce . f ) )
|
||||||
|
|
||||||
|
instance Act ( T ( ℝ 2 ) ) ( PointData params ) where
|
||||||
|
v • ( dat@( PointData { pointCoords = p } ) ) =
|
||||||
|
dat { pointCoords = v • p }
|
||||||
|
|
||||||
|
data DiffPointData diffBrushParams
|
||||||
|
= DiffPointData
|
||||||
|
{ diffVector :: !( T ( ℝ 2 ) )
|
||||||
|
, diffParams :: !diffBrushParams
|
||||||
|
}
|
||||||
|
deriving stock ( Show, Generic, Generic1, Functor, Foldable, Traversable )
|
||||||
|
deriving anyclass ( NFData, NFData1 )
|
||||||
|
|
||||||
|
instance Module Double diffBrushParams => Semigroup ( DiffPointData diffBrushParams ) where
|
||||||
|
DiffPointData v1 p1 <> DiffPointData v2 p2 =
|
||||||
|
DiffPointData ( v1 <> v2 ) ( p1 ^+^ p2 )
|
||||||
|
instance Module Double diffBrushParams => Monoid ( DiffPointData diffBrushParams ) where
|
||||||
|
mempty = DiffPointData mempty origin
|
||||||
|
instance Module Double diffBrushParams => Group ( DiffPointData diffBrushParams ) where
|
||||||
|
invert ( DiffPointData v1 p1 ) =
|
||||||
|
DiffPointData ( invert v1 ) ( -1 *^ p1 )
|
||||||
|
|
||||||
|
instance ( Module Double diffBrushParams, Act diffBrushParams brushParams )
|
||||||
|
=> Act ( DiffPointData diffBrushParams ) ( PointData brushParams ) where
|
||||||
|
(•) ( DiffPointData { diffVector = dp, diffParams = db } )
|
||||||
|
= over _coords ( dp • )
|
||||||
|
. over ( field' @"brushParams" ) ( db • )
|
||||||
|
instance ( Module Double diffBrushParams, Torsor diffBrushParams brushParams )
|
||||||
|
=> Torsor ( DiffPointData diffBrushParams ) ( PointData brushParams ) where
|
||||||
|
( PointData
|
||||||
|
{ pointCoords = p1
|
||||||
|
, brushParams = b1
|
||||||
|
} ) <--
|
||||||
|
( PointData
|
||||||
|
{ pointCoords = p2
|
||||||
|
, brushParams = b2 } ) =
|
||||||
|
DiffPointData
|
||||||
|
{ diffVector = p1 <-- p2
|
||||||
|
, diffParams = b1 <-- b2
|
||||||
|
}
|
||||||
|
|
||||||
|
instance Module Double brushParams => Module Double ( DiffPointData brushParams ) where
|
||||||
|
origin = mempty
|
||||||
|
(^+^) = (<>)
|
||||||
|
x ^-^ y = x <> invert y
|
||||||
|
d *^ DiffPointData v1 p1 =
|
||||||
|
DiffPointData ( d *^ v1 ) ( d *^ p1 )
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
-- | Metadata about a stroke, such as its name or its visibility.
|
||||||
|
data StrokeMetadata
|
||||||
|
= StrokeMetadata
|
||||||
|
{ strokeName :: !Text
|
||||||
|
, strokeVisible :: !Bool
|
||||||
|
, strokeLocked :: !Bool
|
||||||
|
}
|
||||||
|
|
||||||
|
type StrokeHierarchy = Hierarchy Stroke
|
||||||
|
|
||||||
|
data UpdateStroke
|
||||||
|
= PreserveStroke
|
||||||
|
| DeleteStroke
|
||||||
|
| UpdateStrokeTo !Stroke
|
||||||
|
deriving stock Show
|
||||||
|
|
||||||
|
-- | Traverse through a stroke hierarchy.
|
||||||
|
forStrokeHierarchy
|
||||||
|
:: forall f
|
||||||
|
. ( HasCallStack, Applicative f )
|
||||||
|
=> LayerMetadata
|
||||||
|
-> StrokeHierarchy
|
||||||
|
-> ( Unique -> Stroke -> StrokeMetadata -> f UpdateStroke )
|
||||||
|
-> f StrokeHierarchy
|
||||||
|
forStrokeHierarchy
|
||||||
|
( LayerMetadata { layerNames, invisibleLayers, lockedLayers } ) hierarchy0 f =
|
||||||
|
foldr' ( g Nothing ( True, False ) ) ( pure hierarchy0 ) ( topLevel hierarchy0 )
|
||||||
|
where
|
||||||
|
|
||||||
|
insertMaybe :: Maybe Unique -> Unique -> StrokeHierarchy -> UpdateStroke -> StrokeHierarchy
|
||||||
|
insertMaybe mbPar u old@( Hierarchy oldTl oldGps oldStrokes ) = \case
|
||||||
|
PreserveStroke -> old
|
||||||
|
UpdateStrokeTo s -> Hierarchy oldTl oldGps ( Map.insert u s oldStrokes )
|
||||||
|
DeleteStroke ->
|
||||||
|
let newStrokes = Map.delete u oldStrokes
|
||||||
|
in case mbPar of
|
||||||
|
Nothing ->
|
||||||
|
Hierarchy ( filter ( /= u ) oldTl ) oldGps newStrokes
|
||||||
|
Just par ->
|
||||||
|
Hierarchy oldTl ( Map.adjust ( filter ( /= u ) ) par oldGps ) newStrokes
|
||||||
|
|
||||||
|
|
||||||
|
g :: Maybe Unique -> ( Bool, Bool ) -> Unique -> f StrokeHierarchy -> f StrokeHierarchy
|
||||||
|
g par ( vis, lock ) u acc =
|
||||||
|
let vis' = vis && not ( u `Set.member` invisibleLayers )
|
||||||
|
lock' = lock || u `Set.member` lockedLayers
|
||||||
|
in
|
||||||
|
case Map.lookup u ( groups hierarchy0 ) of
|
||||||
|
Nothing ->
|
||||||
|
let
|
||||||
|
meta =
|
||||||
|
StrokeMetadata
|
||||||
|
{ strokeName = layerNames Map.! u
|
||||||
|
, strokeVisible = vis'
|
||||||
|
, strokeLocked = lock'
|
||||||
|
}
|
||||||
|
in
|
||||||
|
insertMaybe par u <$> acc <*> f u ( content hierarchy0 Map.! u ) meta
|
||||||
|
Just ds ->
|
||||||
|
foldr' ( g ( Just u ) ( vis', lock' ) ) acc ds
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
-- | Recursive representation of a stroke hierarchy.
|
||||||
|
--
|
||||||
|
-- Used for serialisation/deserialisation only.
|
||||||
|
type Layers = [ Layer ]
|
||||||
|
|
||||||
|
-- | Layer in a recursive representation of a stroke hierarchy.
|
||||||
|
--
|
||||||
|
-- Used for serialisation/deserialisation only.
|
||||||
|
data Layer
|
||||||
|
= StrokeLayer
|
||||||
|
{ layerUnique :: !Unique
|
||||||
|
, layerName :: !Text
|
||||||
|
, layerVisible :: !Bool
|
||||||
|
, layerLocked :: !Bool
|
||||||
|
, layerStroke :: !Stroke
|
||||||
|
}
|
||||||
|
| GroupLayer
|
||||||
|
{ layerUnique :: !Unique
|
||||||
|
, layerName :: !Text
|
||||||
|
, layerVisible :: !Bool
|
||||||
|
, layerLocked :: !Bool
|
||||||
|
, groupChildren :: !Layers
|
||||||
|
}
|
||||||
|
deriving stock Show
|
||||||
|
|
||||||
|
strokeHierarchyLayers :: LayerMetadata -> StrokeHierarchy -> Layers
|
||||||
|
strokeHierarchyLayers
|
||||||
|
( LayerMetadata { layerNames, invisibleLayers, lockedLayers } )
|
||||||
|
( Hierarchy topLevel hierarchy content ) = map go topLevel
|
||||||
|
where
|
||||||
|
go :: Unique -> Layer
|
||||||
|
go layerUnique =
|
||||||
|
let
|
||||||
|
layerName = layerNames Map.! layerUnique
|
||||||
|
layerVisible = not $ layerUnique `Set.member` invisibleLayers
|
||||||
|
layerLocked = layerUnique `Set.member` lockedLayers
|
||||||
|
in
|
||||||
|
case Map.lookup layerUnique hierarchy of
|
||||||
|
Nothing ->
|
||||||
|
StrokeLayer
|
||||||
|
{ layerUnique, layerName, layerVisible, layerLocked
|
||||||
|
, layerStroke = content Map.! layerUnique
|
||||||
|
}
|
||||||
|
Just cs ->
|
||||||
|
GroupLayer
|
||||||
|
{ layerUnique, layerName, layerVisible, layerLocked
|
||||||
|
, groupChildren = map go cs
|
||||||
|
}
|
||||||
|
|
||||||
|
layersStrokeHierarchy :: Layers -> ( LayerMetadata, StrokeHierarchy )
|
||||||
|
layersStrokeHierarchy lays = ( `State.execState` ( mempty, emptyHierarchy ) ) $ do
|
||||||
|
us <- traverse go lays
|
||||||
|
State.modify' ( \ ( meta, hierarchy ) -> ( meta, hierarchy { topLevel = us } ) )
|
||||||
|
where
|
||||||
|
go :: Layer -> State ( LayerMetadata, StrokeHierarchy ) Unique
|
||||||
|
go l = do
|
||||||
|
( LayerMetadata { layerNames = nms, invisibleLayers = invis, lockedLayers = locked }
|
||||||
|
, oldHierarchy@( Hierarchy _topLevel oldGroups oldStrokes )
|
||||||
|
) <- State.get
|
||||||
|
let u = layerUnique l
|
||||||
|
newMeta =
|
||||||
|
LayerMetadata
|
||||||
|
{ layerNames = Map.insert u ( layerName l ) nms
|
||||||
|
, invisibleLayers = if layerVisible l then invis else Set.insert u invis
|
||||||
|
, lockedLayers = if layerLocked l then Set.insert u locked else locked
|
||||||
|
}
|
||||||
|
newHierarchy <-
|
||||||
|
case l of
|
||||||
|
StrokeLayer { layerStroke } ->
|
||||||
|
return $
|
||||||
|
oldHierarchy
|
||||||
|
{ content = Map.insert u layerStroke oldStrokes }
|
||||||
|
GroupLayer { groupChildren } -> do
|
||||||
|
us <- traverse go groupChildren
|
||||||
|
return $
|
||||||
|
oldHierarchy { groups = Map.insert u us oldGroups }
|
||||||
|
State.put ( newMeta, newHierarchy )
|
||||||
|
return u
|
||||||
|
|
||||||
|
--------------------------------------------------------------------------------
|
|
@ -1,19 +1,8 @@
|
||||||
module MetaBrush.Util
|
module MetaBrush.Util
|
||||||
( traverseMaybe
|
( Exists(..)
|
||||||
, Exists(..)
|
|
||||||
)
|
)
|
||||||
where
|
where
|
||||||
|
|
||||||
-- containers
|
|
||||||
import Data.Sequence
|
|
||||||
( Seq(..) )
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
traverseMaybe :: Applicative f => ( a -> f ( Maybe b ) ) -> Seq a -> f ( Seq b )
|
|
||||||
traverseMaybe _ Empty = pure Empty
|
|
||||||
traverseMaybe f ( a :<| as ) = ( \ case { Nothing -> id; Just b -> ( b :<| ) } ) <$> f a <*> traverseMaybe f as
|
|
||||||
|
|
||||||
--------------------------------------------------------------------------------
|
--------------------------------------------------------------------------------
|
||||||
|
|
||||||
data Exists c where
|
data Exists c where
|
||||||
|
|
Loading…
Reference in a new issue