mirror of
https://gitlab.com/sheaf/metabrush.git
synced 2024-11-23 15:34:06 +00:00
implement a basic brush store
* each stroke stores the brushes it uses by reference, so that one can interactively edit brushes and see the strokes be updated in real-time * when writing to a file, we retrive the brush code from the reference, and include that information statically
This commit is contained in:
parent
393ef6f06e
commit
1e4bb4bddc
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@ -122,6 +122,7 @@ executable MetaBrush
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, MetaBrush.Asset.TickBox
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, MetaBrush.Asset.Tools
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, MetaBrush.Asset.WindowIcons
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, MetaBrush.Brush
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, MetaBrush.Context
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, MetaBrush.Document
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, MetaBrush.Document.Draw
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@ -175,6 +176,10 @@ executable MetaBrush
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^>= 1.4.2.1
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, ghc-typelits-knownnat
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^>= 0.7.3
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, gi-cairo-render
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^>= 0.0.1
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, gi-cairo-connector
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^>= 0.0.1
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, gi-gdk
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>= 3.0.22 && < 3.1
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, gi-gio
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@ -185,10 +190,10 @@ executable MetaBrush
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^>= 2.0.24
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, gi-gtk
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>= 3.0.35 && < 3.1
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, gi-cairo-render
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^>= 0.0.1
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, gi-cairo-connector
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^>= 0.0.1
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, gi-gtksource
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>= 3.0.23 && < 3.1
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, hashable
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^>= 1.3.0.0
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, haskell-gi-base
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^>= 0.24.3
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, lens
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@ -207,5 +212,7 @@ executable MetaBrush
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>= 1.2.3.1 && < 1.2.5
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, tree-view
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^>= 0.5
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, unordered-containers
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>= 0.2.11 && < 0.2.14
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, waargonaut
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^>= 0.8.0.1
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54
app/Main.hs
54
app/Main.hs
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@ -65,6 +65,8 @@ import qualified GI.Gtk as GTK
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-- lens
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import Control.Lens
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( (.~), set )
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import Control.Lens.At
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( at )
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-- stm
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import qualified Control.Concurrent.STM as STM
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@ -82,6 +84,16 @@ import qualified SuperRecord
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import qualified Data.Text as Text
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( pack )
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-- transformers
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import Control.Monad.Trans.Reader
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( runReaderT )
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-- unordered-containers
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import Data.HashMap.Strict
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( HashMap )
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import qualified Data.HashMap.Strict as HashMap
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( fromList )
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-- MetaBrush
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import Math.Bezier.Cubic.Fit
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( FitParameters(..) )
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@ -99,6 +111,8 @@ import MetaBrush.Asset.Colours
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( getColours )
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import MetaBrush.Asset.Logo
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( drawLogo )
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import MetaBrush.Brush
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( Brush, newBrushReference )
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import MetaBrush.Context
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( UIElements(..), Variables(..)
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, Modifier(..)
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@ -133,7 +147,7 @@ import MetaBrush.UI.Viewport
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( Viewport(..), Ruler(..), createViewport )
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import MetaBrush.Unique
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( newUniqueSupply
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, Unique, unsafeUnique
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, Unique, freshUnique
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, uniqueMapFromList
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)
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import MetaBrush.Util
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@ -164,18 +178,26 @@ main = do
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uniqueSupply <- newUniqueSupply
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circleBrush <- Asset.Brushes.circle uniqueSupply
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circleBrushUnique <- runReaderT freshUnique uniqueSupply
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docUnique <- runReaderT freshUnique uniqueSupply
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strokeUnique <- runReaderT freshUnique uniqueSupply
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let
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testBrushes :: HashMap Brush Unique
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testBrushes = HashMap.fromList
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[ ( circleBrush, circleBrushUnique ) ]
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testDocuments :: Map Unique DocumentHistory
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testDocuments = fmap newHistory $ uniqueMapFromList
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[ emptyDocument "Test" ( unsafeUnique 0 )
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[ emptyDocument "Test" docUnique
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& ( field' @"documentContent" . field' @"strokes" ) .~
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[ Stroke
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{ strokeName = "Stroke 1"
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, strokeVisible = True
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, strokeUnique = unsafeUnique 10
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, strokeBrush = circleBrush
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, strokeSpline =
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{ strokeName = "Stroke 1"
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, strokeVisible = True
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, strokeUnique = strokeUnique
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, strokeBrushRef = newBrushReference @'[ "r" SuperRecord.:= Double ] circleBrushUnique
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, strokeSpline =
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Spline
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{ splineStart = mkPoint ( Point2D 10 -20 ) 2
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, splineCurves = OpenCurves $ Seq.fromList
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@ -186,6 +208,7 @@ main = do
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}
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}
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]
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& ( field' @"documentBrushes" . at circleBrushUnique ) .~ ( Just circleBrush )
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]
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where
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mkPoint :: Point2D Double -> Double -> PointData ( Super.Rec '[ "r" SuperRecord.:= Double ] )
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@ -193,6 +216,7 @@ main = do
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activeDocumentTVar <- STM.newTVarIO @( Maybe Unique ) Nothing
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openDocumentsTVar <- STM.newTVarIO @( Map Unique DocumentHistory ) testDocuments
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brushesTVar <- STM.newTVarIO @( HashMap Brush Unique ) testBrushes
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mousePosTVar <- STM.newTVarIO @( Maybe ( Point2D Double ) ) Nothing
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mouseHoldTVar <- STM.newTVarIO @( Maybe HoldAction ) Nothing
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modifiersTVar <- STM.newTVarIO @( Set Modifier ) Set.empty
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@ -204,14 +228,14 @@ main = do
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showGuidesTVar <- STM.newTVarIO @Bool True
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maxHistorySizeTVar <- STM.newTVarIO @Int 1000
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fitParametersTVar <- STM.newTVarIO @FitParameters
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( FitParameters
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{ maxSubdiv = 6
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, nbSegments = 12
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, dist_tol = 5e-3
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, t_tol = 1e-4
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, maxIters = 100
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}
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)
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( FitParameters
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{ maxSubdiv = 6
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, nbSegments = 12
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, dist_tol = 5e-3
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, t_tol = 1e-4
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, maxIters = 100
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}
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)
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-- Put all these stateful variables in a record for conciseness.
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let
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@ -184,7 +184,9 @@ instance HandleAction OpenFile where
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void $ GTK.nativeDialogRun fileChooser
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filePaths <- GTK.fileChooserGetFilenames fileChooser
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for_ filePaths \ filePath -> do
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mbDoc <- loadDocument uniqueSupply filePath
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knownBrushes <- STM.atomically $ STM.readTVar brushesTVar
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( mbDoc, knownBrushes' ) <- loadDocument uniqueSupply knownBrushes filePath
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STM.atomically ( STM.writeTVar brushesTVar knownBrushes' )
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case mbDoc of
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Left errMessage -> warningDialog window filePath errMessage
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Right doc -> do
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@ -233,7 +235,9 @@ instance HandleAction OpenFolder where
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when exists do
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filePaths <- listDirectory folderPath
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for_ filePaths \ filePath -> when ( takeExtension filePath == ".mb" ) do
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mbDoc <- loadDocument uniqueSupply ( folderPath </> filePath )
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knownBrushes <- STM.atomically $ STM.readTVar brushesTVar
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( mbDoc, knownBrushes' ) <- loadDocument uniqueSupply knownBrushes ( folderPath </> filePath )
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STM.atomically ( STM.writeTVar brushesTVar knownBrushes' )
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case mbDoc of
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Left errMessage -> warningDialog window filePath errMessage
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Right doc -> do
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@ -9,16 +9,6 @@
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module MetaBrush.Asset.Brushes where
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-- base
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import Data.Kind
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( Type )
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import Data.Type.Equality
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( (:~:)(Refl) )
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-- superrecord
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import qualified SuperRecord
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( (:=) )
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-- text
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import Data.Text
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( Text )
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@ -26,10 +16,8 @@ import qualified Data.Text as Text
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( unpack )
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-- MetaBrush
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import MetaBrush.Document
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import MetaBrush.Brush
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( Brush(..) )
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import MetaBrush.MetaParameter.AST
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( BrushFunction, STypesI(sTypesI), eqTys )
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import MetaBrush.MetaParameter.Driver
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( SomeBrushFunction(..), interpretBrush )
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import MetaBrush.Unique
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@ -37,11 +25,8 @@ import MetaBrush.Unique
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--------------------------------------------------------------------------------
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circle
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:: forall circleBrushFields
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. ( circleBrushFields ~ '[ "r" SuperRecord.:= Double ] )
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=> UniqueSupply -> IO ( Brush circleBrushFields )
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circle uniqueSupply = mkBrush @circleBrushFields uniqueSupply name code
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circle :: UniqueSupply -> IO Brush
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circle uniqueSupply = mkBrush uniqueSupply name code
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where
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name, code :: Text
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name = "Circle"
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@ -57,11 +42,8 @@ circle uniqueSupply = mkBrush @circleBrushFields uniqueSupply name code
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\ -- (-r ,-r*c) -- (-r*c,-r ) -> ( 0,-r)\n\
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\ -- ( r*c,-r ) -- ( r ,-r*c) -> . ]"
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rounded
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:: forall roundedBrushFields
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. ( roundedBrushFields ~ '[ ] ) -- TODO
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=> UniqueSupply -> IO ( Brush roundedBrushFields )
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rounded uniqueSupply = mkBrush @roundedBrushFields uniqueSupply name code
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rounded :: UniqueSupply -> IO Brush
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rounded uniqueSupply = mkBrush uniqueSupply name code
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where
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name, code :: Text
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name = "Rounded quadrilateral"
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@ -88,21 +70,11 @@ rounded uniqueSupply = mkBrush @roundedBrushFields uniqueSupply name code
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--------------------------------------------------------------------------------
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mkBrush
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:: forall ( givenBrushFields :: [ Type ] )
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. STypesI givenBrushFields
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=> UniqueSupply -> Text -> Text
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-> IO ( Brush givenBrushFields )
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mkBrush :: UniqueSupply -> Text -> Text -> IO Brush
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mkBrush uniqSupply brushName brushCode = do
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( mbBrush, _ ) <- interpretBrush uniqSupply brushCode
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case mbBrush of
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Left err -> error ( "Could not interpret '" <> Text.unpack brushName <> "' brush:\n" <> show err )
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Right ( SomeBrushFunction ( brushFunction :: BrushFunction inferredBrushFields ) ) ->
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case eqTys @givenBrushFields @inferredBrushFields of
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Just Refl -> pure ( BrushData { brushName, brushCode, brushFunction } )
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Nothing ->
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error
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( "Incorrect record type for '" <> Text.unpack brushName <> "' brush:\n\
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\Expected: " <> show ( sTypesI @givenBrushFields ) <> "\n\
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\ Actual: " <> show ( sTypesI @inferredBrushFields )
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)
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Left err ->
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error ( "Could not interpret '" <> Text.unpack brushName <> "' brush:\n" <> show err )
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Right ( SomeBrushFunction brushFunction ) ->
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pure ( BrushData { brushName, brushCode, brushFunction } )
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370
src/app/MetaBrush/Brush.hs
Normal file
370
src/app/MetaBrush/Brush.hs
Normal file
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@ -0,0 +1,370 @@
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{-# LANGUAGE AllowAmbiguousTypes #-}
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{-# LANGUAGE ConstraintKinds #-}
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{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE FlexibleContexts #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE GADTs #-}
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{-# LANGUAGE MagicHash #-}
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{-# LANGUAGE NamedFieldPuns #-}
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{-# LANGUAGE PolyKinds #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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{-# LANGUAGE TypeApplications #-}
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{-# LANGUAGE TypeOperators #-}
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{-# OPTIONS_GHC -fplugin GHC.TypeLits.KnownNat.Solver #-}
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module MetaBrush.Brush
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( Brush(..), BrushReference(..), newBrushReference
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, SomeBrushFields(..), SomeFieldSType(..), reflectBrushFieldsNoDups
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)
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where
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-- base
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import Data.Kind
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( Type )
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import Data.List
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( intersect )
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import Data.Proxy
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( Proxy )
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import Data.Type.Equality
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( (:~:)(Refl) )
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import GHC.Exts
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( Proxy#, proxy# )
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import GHC.TypeLits
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( KnownSymbol, SomeSymbol(..)
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, someSymbolVal, symbolVal'
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)
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import GHC.TypeNats
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( KnownNat, SomeNat(..), someNatVal, type (-) )
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import Unsafe.Coerce
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( unsafeCoerce )
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-- deepseq
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import Control.DeepSeq
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( NFData(..), deepseq )
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-- groups
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import Data.Group
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( Group )
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-- hashable
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import Data.Hashable
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( Hashable(..) )
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-- superrecord
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import qualified SuperRecord as Super
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( Rec )
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import qualified SuperRecord
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( Has, RecTy, (:=)
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, RecSize, RecApply(..), RecVecIdxPos, UnsafeRecBuild(..)
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, TraversalCHelper, RemoveAccessTo, Intersect
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)
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import SuperRecord
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( ConstC, Tuple22C )
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-- text
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import Data.Text
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( Text )
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import qualified Data.Text as Text
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( pack, unpack )
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-- unordered-containers
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import Data.HashMap.Strict
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( HashMap )
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import qualified Data.HashMap.Strict as HashMap
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( fromList, lookup )
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-- MetaBrush
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import Math.Module
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( Module )
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import Math.Vector2D
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( Point2D )
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import {-# SOURCE #-} MetaBrush.Document.Serialise
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( Serialisable )
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import MetaBrush.MetaParameter.AST
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( SType(..), STypeI(..), SomeSType(..), STypes(..), STypesI(..), someSTypes
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, Adapted, BrushFunction
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, MapFields, UniqueField, UseFieldsInBrush
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)
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import MetaBrush.MetaParameter.Interpolation
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( Interpolatable(..), MapDiff, HasDiff', HasTorsor )
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import MetaBrush.Unique
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( Unique )
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--------------------------------------------------------------------------------
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data Brush where
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BrushData
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:: forall brushFields
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. ( STypesI brushFields )
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=>
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{ brushName :: !Text
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, brushCode :: !Text
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, brushFunction :: !( BrushFunction brushFields )
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}
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-> Brush
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instance Show Brush where
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show ( BrushData { brushName } ) = Text.unpack brushName
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instance NFData Brush where
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rnf ( BrushData { brushName, brushCode } )
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= deepseq brushCode
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$ rnf brushName
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instance Eq Brush where
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BrushData name1 code1 _ == BrushData name2 code2 _ = name1 == name2 && code1 == code2
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instance Ord Brush where
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compare ( BrushData name1 code1 _ ) ( BrushData name2 code2 _ ) = compare ( name1, code1 ) ( name2, code2 )
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instance Hashable Brush where
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hashWithSalt salt ( BrushData { brushName, brushCode } ) =
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hashWithSalt ( hashWithSalt salt brushName ) brushCode
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data BrushReference pointFields where
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NoBrush :: BrushReference pointFields
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BrushReference
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:: forall brushFields pointFields usedFields brushParams usedParams
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. ( brushParams ~ Super.Rec brushFields, STypesI brushFields
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, usedParams ~ Super.Rec usedFields
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, Interpolatable usedParams
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, Adapted brushFields pointFields usedFields
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)
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=> Proxy# brushFields
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-> Unique
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-> BrushReference pointFields
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instance Show ( BrushReference pointFields ) where
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show NoBrush = "NoBrush"
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show ( BrushReference ( _ :: Proxy# brushFields ) uniq ) =
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"BrushReference @(" <> show ( sTypesI @brushFields ) <> ") " <> show uniq
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instance NFData ( BrushReference pointFields ) where
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rnf NoBrush = ()
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rnf ( BrushReference _ unique ) = rnf unique
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newBrushReference
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:: forall brushFields pointFields
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. ( STypesI brushFields, STypesI pointFields )
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=> Unique
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-> BrushReference pointFields
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newBrushReference uniq = case proveAdapted @brushFields @pointFields of
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Dict -> BrushReference ( proxy# :: Proxy# brushFields ) uniq
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--------------------------------------------------------------------------------
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-- Instance dictionary passing machinery.
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data Dict c where
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Dict :: c => Dict c
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proveAdapted
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:: forall brushFields givenFields usedFields drts_used
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. ( STypesI brushFields, STypesI givenFields
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, usedFields ~ ( brushFields `SuperRecord.Intersect` givenFields )
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, drts_used ~ MapDiff usedFields
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)
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=> Dict ( Adapted brushFields givenFields usedFields
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, Interpolatable ( Super.Rec usedFields )
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)
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proveAdapted = case go ( sTypesI @brushFields ) of { Dict -> Dict }
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where
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brushFields, givenFields, usedFields :: [ ( Text, SomeSType ) ]
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brushFields = someSTypes @brushFields
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givenFields = someSTypes @givenFields
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usedFields = intersect brushFields givenFields
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nbUsedFields :: Int
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nbUsedFields = length usedFields
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givenIxFieldsMap, usedIxFieldsMap :: HashMap Text Int
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givenIxFieldsMap = listToEndIndexMap givenFields
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usedIxFieldsMap = listToEndIndexMap usedFields
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go :: forall lts_brush lts_used dlts_used
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. ( lts_used ~ ( lts_brush `SuperRecord.Intersect` givenFields )
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, dlts_used ~ MapDiff lts_used
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)
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=> STypes lts_brush
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-> Dict
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( SuperRecord.UnsafeRecBuild usedFields lts_used ( SuperRecord.Has givenFields )
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, SuperRecord.RecApply ( MapFields UniqueField brushFields ) ( MapFields UniqueField lts_brush ) ( UseFieldsInBrush usedFields )
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, SuperRecord.UnsafeRecBuild drts_used dlts_used ( ConstC Monoid )
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, SuperRecord.UnsafeRecBuild drts_used dlts_used ( ConstC ( Module Double ) )
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, SuperRecord.RecApply drts_used dlts_used ( Tuple22C ( ConstC ( Module Double ) ) ( SuperRecord.Has drts_used ) )
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, SuperRecord.RecApply drts_used dlts_used ( Tuple22C ( ConstC Semigroup ) ( SuperRecord.Has drts_used ) )
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, SuperRecord.RecApply drts_used dlts_used ( Tuple22C ( ConstC Group ) ( SuperRecord.Has drts_used ) )
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, SuperRecord.RecApply drts_used dlts_used ( HasDiff' usedFields )
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, SuperRecord.TraversalCHelper dlts_used usedFields drts_used ( HasTorsor usedFields )
|
||||
)
|
||||
go STyNil
|
||||
| SomeNat ( _ :: Proxy nbUsedFields ) <- someNatVal ( fromIntegral nbUsedFields )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize usedFields :~: nbUsedFields )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize drts_used :~: nbUsedFields )
|
||||
= Dict
|
||||
go sTyCons@STyCons
|
||||
| SomeNat ( _ :: Proxy nbUsedFields ) <- someNatVal ( fromIntegral nbUsedFields )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize usedFields :~: nbUsedFields )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize drts_used :~: nbUsedFields )
|
||||
, ( _ :: STypes ( ( k SuperRecord.:= v ) ': tail_lts_brush ) ) <- sTyCons
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize ( MapFields UniqueField brushFields ) :~: SuperRecord.RecSize brushFields )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k ( MapFields UniqueField brushFields ) :~: Just ( UniqueField v ) )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RemoveAccessTo k ( MapFields UniqueField tail_lts_brush ) :~: MapFields UniqueField tail_lts_brush )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k ( MapFields UniqueField brushFields ) :~: SuperRecord.RecSize tail_lts_brush )
|
||||
, let
|
||||
k :: Text
|
||||
k = Text.pack ( symbolVal' ( proxy# :: Proxy# k ) )
|
||||
= case HashMap.lookup k usedIxFieldsMap of
|
||||
Just k_used_indexFromEnd
|
||||
| SomeNat ( _ :: Proxy k_used_indexFromEnd ) <- someNatVal ( fromIntegral k_used_indexFromEnd )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k lts_used :~: k_used_indexFromEnd )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k usedFields :~: k_used_indexFromEnd )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k drts_used :~: k_used_indexFromEnd )
|
||||
, Just k_given_indexFromEnd <- HashMap.lookup k givenIxFieldsMap
|
||||
, SomeNat ( _ :: Proxy k_given_indexFromEnd ) <- someNatVal ( fromIntegral k_given_indexFromEnd )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k givenFields :~: k_given_indexFromEnd )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k lts_used :~: Just v )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k usedFields :~: Just v )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k givenFields :~: Just v )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k drts_used :~: Just ( Diff v ) )
|
||||
, ( _ :: Proxy# tail_lts_used ) <- ( proxy# :: Proxy# ( tail_lts_brush `SuperRecord.Intersect` givenFields ) )
|
||||
, ( _ :: Proxy# tail_dlts_used ) <- ( proxy# :: Proxy# ( MapDiff tail_lts_used ) )
|
||||
, Refl <- ( unsafeCoerce Refl :: lts_used :~: ( ( k SuperRecord.:= v ) ': tail_lts_used ) )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize tail_lts_used :~: ( SuperRecord.RecSize lts_used - 1 ) )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize tail_dlts_used :~: SuperRecord.RecSize tail_lts_used )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RemoveAccessTo k tail_dlts_used :~: tail_dlts_used )
|
||||
, Just Dict <- interpolatableDict @v
|
||||
-> case go ( sTypesI @tail_lts_brush ) of { Dict -> Dict }
|
||||
_
|
||||
| Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k lts_used :~: Nothing )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k usedFields :~: Nothing )
|
||||
, Refl <- ( unsafeCoerce Refl :: lts_used :~: ( tail_lts_brush `SuperRecord.Intersect` givenFields ) )
|
||||
-> case go ( sTypesI @tail_lts_brush ) of { Dict -> Dict }
|
||||
|
||||
interpolatableDict :: forall t. STypeI t => Maybe ( Dict ( Interpolatable t ) )
|
||||
interpolatableDict =
|
||||
case sTypeI @t of
|
||||
STyDouble -> Just Dict
|
||||
sTyPoint@STyPoint
|
||||
| ( _ :: SType ( Point2D c ) ) <- sTyPoint
|
||||
, STyDouble <- sTypeI @c
|
||||
-> Just Dict
|
||||
_ -> Nothing
|
||||
|
||||
listToEndIndexMap :: ( Eq k, Hashable k ) => [ ( k, v ) ] -> HashMap k Int
|
||||
listToEndIndexMap kvs =
|
||||
HashMap.fromList
|
||||
$ zipWith ( \ ( fieldName, _ ) index -> ( fieldName, lg - index - 1 ) )
|
||||
kvs
|
||||
[ 0 .. ]
|
||||
where
|
||||
lg :: Int
|
||||
lg = length kvs
|
||||
|
||||
-- | Reflects a list of brush fields to the type level.
|
||||
--
|
||||
-- Assumes the input list has no duplicate field names,
|
||||
-- but they don't have to be sorted.
|
||||
reflectBrushFieldsNoDups :: [ ( Text, SomeFieldSType ) ] -> SomeBrushFields
|
||||
reflectBrushFieldsNoDups = fromSomeBrushFieldsList . mkBrushFieldsList
|
||||
where
|
||||
mkBrushFieldsList :: [ ( Text, SomeFieldSType ) ] -> SomeBrushFieldsList
|
||||
mkBrushFieldsList [] = SomeBrushFieldsList NilFields
|
||||
mkBrushFieldsList ( ( k, SomeFieldSType ( _ :: Proxy# v ) ) : kvs )
|
||||
| SomeBrushFieldsList ( kvs_list :: BrushFieldsList kvs ) <- mkBrushFieldsList kvs
|
||||
, SomeSymbol ( _ :: Proxy k ) <- someSymbolVal ( Text.unpack k )
|
||||
-- deduce RecSize ( MapDiff kvs ) ~ RecSize kvs
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize ( MapDiff kvs ) :~: SuperRecord.RecSize kvs )
|
||||
-- compute indexing into record list (with SuperRecord, the index is the number of fields remaining)
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k ( ( k SuperRecord.:= v ) : kvs ) :~: SuperRecord.RecSize kvs )
|
||||
= SomeBrushFieldsList ( ConsFields ( proxy# :: Proxy# k ) ( proxy# :: Proxy# v ) kvs_list )
|
||||
|
||||
fromSomeBrushFieldsList :: SomeBrushFieldsList -> SomeBrushFields
|
||||
fromSomeBrushFieldsList ( SomeBrushFieldsList ( kvs :: BrushFieldsList kvs ) ) = case go @kvs kvs of
|
||||
SomeClassyBrushFieldsList ( _ :: Proxy# kvs ) ( _ :: Proxy# kvs ) ->
|
||||
SomeBrushFields ( proxy# :: Proxy# kvs )
|
||||
where
|
||||
go :: forall ( rts :: [ Type ] ) ( lts :: [ Type ] )
|
||||
. ( STypesI rts, KnownNat ( SuperRecord.RecSize rts ), KnownNat ( SuperRecord.RecSize ( MapDiff rts ) ) )
|
||||
=> BrushFieldsList lts -> SomeClassyBrushFieldsList rts lts
|
||||
go NilFields =
|
||||
SomeClassyBrushFieldsList ( proxy# :: Proxy# rts ) ( proxy# :: Proxy# '[] )
|
||||
go ( ConsFields ( _ :: Proxy# k ) ( _ :: Proxy# a ) kvs' )
|
||||
| ( SomeClassyBrushFieldsList _ ( _ :: Proxy# lts' ) ) <- go @rts kvs'
|
||||
-- Assert some facts that result from the field names being distinct:
|
||||
-- - current field name does not re-occur later on
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RemoveAccessTo k lts' :~: lts' )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RemoveAccessTo k ( MapDiff lts' ) :~: MapDiff lts' )
|
||||
-- - looking up the type associated with the current field name returns the current type
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k rts :~: Just a )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k ( MapDiff rts ) :~: Just ( Diff a ) )
|
||||
-- - MapDiff preserves length
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize ( MapDiff lts' ) :~: SuperRecord.RecSize lts' )
|
||||
-- - compute the index (which is the number of fields remaining, i.e. the indexing starts counting from 0 from the right)
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k rts :~: SuperRecord.RecSize lts' )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k ( MapDiff rts ) :~: SuperRecord.RecSize lts' )
|
||||
= SomeClassyBrushFieldsList ( proxy# :: Proxy# rts ) ( proxy# :: Proxy# ( ( k SuperRecord.:= a ) ': lts' ) )
|
||||
|
||||
|
||||
-- | Existential type over an allowed record field type used in brushes, such as Double and Point2D Double.
|
||||
data SomeFieldSType where
|
||||
SomeFieldSType
|
||||
:: ( STypeI a, Show a, NFData a, Serialisable a, Interpolatable a )
|
||||
=> Proxy# a -> SomeFieldSType
|
||||
|
||||
-- | Existential type for allowed fields of a brush record.
|
||||
data SomeBrushFields where
|
||||
SomeBrushFields
|
||||
:: forall kvs rec
|
||||
. ( STypesI kvs
|
||||
, rec ~ Super.Rec kvs
|
||||
, Show rec, NFData rec
|
||||
, Interpolatable rec
|
||||
, Serialisable rec
|
||||
)
|
||||
=> Proxy# kvs -> SomeBrushFields
|
||||
|
||||
instance Show SomeBrushFields where
|
||||
show ( SomeBrushFields ( _ :: Proxy# kvs ) ) = show ( sTypesI @kvs )
|
||||
|
||||
-- | Auxiliary datatype used to create a proof that record fields have the required instances.
|
||||
data BrushFieldsList kvs where
|
||||
NilFields :: BrushFieldsList '[]
|
||||
ConsFields
|
||||
::
|
||||
( KnownSymbol k
|
||||
, Show a, NFData a, Serialisable a
|
||||
, Interpolatable a
|
||||
, STypesI kvs
|
||||
, KnownNat ( SuperRecord.RecSize kvs )
|
||||
, SuperRecord.Has ( k SuperRecord.:= a ': kvs ) k a
|
||||
)
|
||||
=> Proxy# k -> Proxy# a -> BrushFieldsList kvs -> BrushFieldsList ( k SuperRecord.:= a ': kvs )
|
||||
|
||||
-- | Existential type used in the process of proving that record fields have the required instances.
|
||||
data SomeBrushFieldsList where
|
||||
SomeBrushFieldsList
|
||||
:: ( STypesI kvs
|
||||
, KnownNat ( SuperRecord.RecSize kvs )
|
||||
, KnownNat ( SuperRecord.RecSize ( MapDiff kvs ) )
|
||||
)
|
||||
=> BrushFieldsList kvs -> SomeBrushFieldsList
|
||||
|
||||
-- | Type used to backtrack instance resolution in the SuperRecord library,
|
||||
-- to witness the required typeclass instances by induction on the record fields.
|
||||
data SomeClassyBrushFieldsList rts lts where
|
||||
SomeClassyBrushFieldsList
|
||||
:: forall rts lts drts dlts
|
||||
. ( drts ~ MapDiff rts
|
||||
, dlts ~ MapDiff lts
|
||||
, KnownNat ( SuperRecord.RecSize rts )
|
||||
, KnownNat ( SuperRecord.RecSize drts )
|
||||
, SuperRecord.UnsafeRecBuild rts lts ( ConstC Serialisable )
|
||||
, SuperRecord.UnsafeRecBuild drts dlts ( ConstC ( Module Double ) )
|
||||
, SuperRecord.UnsafeRecBuild drts dlts ( ConstC Monoid )
|
||||
, SuperRecord.RecApply rts lts ( ConstC Show )
|
||||
, SuperRecord.RecApply rts lts ( ConstC NFData )
|
||||
, SuperRecord.RecApply rts lts ( ConstC Serialisable )
|
||||
, SuperRecord.RecApply drts dlts ( Tuple22C ( ConstC ( Module Double ) ) ( SuperRecord.Has drts ) )
|
||||
, SuperRecord.RecApply drts dlts ( Tuple22C ( ConstC Semigroup ) ( SuperRecord.Has drts ) )
|
||||
, SuperRecord.RecApply drts dlts ( Tuple22C ( ConstC Group ) ( SuperRecord.Has drts ) )
|
||||
, SuperRecord.RecApply drts dlts ( HasDiff' rts )
|
||||
, SuperRecord.TraversalCHelper dlts rts drts ( HasTorsor rts )
|
||||
)
|
||||
=> Proxy# rts -> Proxy# lts -> SomeClassyBrushFieldsList rts lts
|
|
@ -28,6 +28,10 @@ import qualified GI.Gtk as GTK
|
|||
import qualified Control.Concurrent.STM.TVar as STM
|
||||
( TVar )
|
||||
|
||||
-- unordered-containers
|
||||
import Data.HashMap.Strict
|
||||
( HashMap )
|
||||
|
||||
-- MetaBrush
|
||||
import Math.Bezier.Cubic.Fit
|
||||
( FitParameters )
|
||||
|
@ -35,6 +39,8 @@ import Math.Vector2D
|
|||
( Point2D )
|
||||
import MetaBrush.Asset.Colours
|
||||
( Colours )
|
||||
import MetaBrush.Brush
|
||||
( Brush )
|
||||
import MetaBrush.Document.Draw
|
||||
( DrawAnchor )
|
||||
import MetaBrush.Document.History
|
||||
|
@ -73,6 +79,7 @@ data Variables
|
|||
{ uniqueSupply :: !UniqueSupply
|
||||
, activeDocumentTVar :: !( STM.TVar ( Maybe Unique ) )
|
||||
, openDocumentsTVar :: !( STM.TVar ( Map Unique DocumentHistory ) )
|
||||
, brushesTVar :: !( STM.TVar ( HashMap Brush Unique ) )
|
||||
, mousePosTVar :: !( STM.TVar ( Maybe ( Point2D Double ) ) )
|
||||
, mouseHoldTVar :: !( STM.TVar ( Maybe HoldAction ) )
|
||||
, modifiersTVar :: !( STM.TVar ( Set Modifier ) )
|
||||
|
|
|
@ -8,6 +8,7 @@
|
|||
{-# LANGUAGE FlexibleInstances #-}
|
||||
{-# LANGUAGE GADTs #-}
|
||||
{-# LANGUAGE LambdaCase #-}
|
||||
{-# LANGUAGE MagicHash #-}
|
||||
{-# LANGUAGE MultiParamTypeClasses #-}
|
||||
{-# LANGUAGE NamedFieldPuns #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
|
@ -26,7 +27,6 @@ module MetaBrush.Document
|
|||
, emptyDocument
|
||||
, Stroke(..), StrokeSpline, _strokeSpline, overStrokeSpline
|
||||
, PointData(..), BrushPointData(..), DiffPointData(..)
|
||||
, Brush(..), emptyBrush
|
||||
, FocusState(..), Hoverable(..), HoverContext(..)
|
||||
, Guide(..)
|
||||
, _selection, _coords, coords
|
||||
|
@ -39,8 +39,6 @@ import Data.Coerce
|
|||
( coerce )
|
||||
import Data.Functor.Identity
|
||||
( Identity(..) )
|
||||
import Data.Kind
|
||||
( Type )
|
||||
import Data.Semigroup
|
||||
( Arg(..), Min(..), ArgMin )
|
||||
import GHC.Generics
|
||||
|
@ -81,14 +79,10 @@ import Control.Concurrent.STM
|
|||
-- superrecord
|
||||
import qualified SuperRecord as Super
|
||||
( Rec )
|
||||
import qualified SuperRecord
|
||||
( Intersect, rnil )
|
||||
|
||||
-- text
|
||||
import Data.Text
|
||||
( Text )
|
||||
import qualified Data.Text as Text
|
||||
( unpack )
|
||||
|
||||
-- transformers
|
||||
import Control.Monad.Trans.Reader
|
||||
|
@ -96,7 +90,7 @@ import Control.Monad.Trans.Reader
|
|||
|
||||
-- MetaBrush
|
||||
import Math.Bezier.Spline
|
||||
( Spline(..), KnownSplineType, Curves(..) )
|
||||
( Spline(..), KnownSplineType )
|
||||
import Math.Bezier.Stroke
|
||||
( CachedStroke )
|
||||
import Math.Module
|
||||
|
@ -107,10 +101,12 @@ import Math.Module
|
|||
)
|
||||
import Math.Vector2D
|
||||
( Point2D(..), Vector2D(..) )
|
||||
import MetaBrush.Brush
|
||||
( Brush, BrushReference )
|
||||
import {-# SOURCE #-} MetaBrush.Document.Serialise
|
||||
( Serialisable(..) )
|
||||
import MetaBrush.MetaParameter.AST
|
||||
( STypesI, Adapted, AdaptableFunction(..), BrushFunction )
|
||||
( STypesI(..) )
|
||||
import MetaBrush.MetaParameter.Interpolation
|
||||
( Interpolatable(..) ) -- + orphan instances
|
||||
import MetaBrush.UI.Viewport
|
||||
|
@ -145,6 +141,7 @@ data Document
|
|||
, zoomFactor :: !Double
|
||||
, documentUnique :: Unique
|
||||
, documentContent :: !DocumentContent
|
||||
, documentBrushes :: !( Map Unique Brush )
|
||||
}
|
||||
deriving stock ( Show, Generic )
|
||||
deriving anyclass NFData
|
||||
|
@ -166,28 +163,23 @@ data Stroke where
|
|||
Stroke
|
||||
:: ( KnownSplineType clo
|
||||
, pointParams ~ Super.Rec pointFields, STypesI pointFields
|
||||
, brushParams ~ Super.Rec brushFields, STypesI brushFields
|
||||
, usedParams ~ Super.Rec usedFields , STypesI usedFields
|
||||
, usedFields ~ ( brushFields `SuperRecord.Intersect` pointFields )
|
||||
, Show brushParams, NFData brushParams
|
||||
, Show pointParams, NFData pointParams
|
||||
, Interpolatable pointParams
|
||||
, Interpolatable usedParams
|
||||
, Serialisable pointParams
|
||||
, Adapted brushFields pointFields usedFields
|
||||
)
|
||||
=>
|
||||
{ strokeName :: Text
|
||||
, strokeVisible :: !Bool
|
||||
, strokeUnique :: Unique
|
||||
, strokeBrush :: Brush brushFields
|
||||
, strokeSpline :: !( StrokeSpline clo pointParams )
|
||||
{ strokeName :: !Text
|
||||
, strokeVisible :: !Bool
|
||||
, strokeUnique :: Unique
|
||||
, strokeBrushRef :: !( BrushReference pointFields )
|
||||
, strokeSpline :: !( StrokeSpline clo pointParams )
|
||||
}
|
||||
-> Stroke
|
||||
deriving stock instance Show Stroke
|
||||
instance NFData Stroke where
|
||||
rnf ( Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline } )
|
||||
rnf ( Stroke { strokeName, strokeVisible, strokeUnique, strokeBrushRef, strokeSpline } )
|
||||
= deepseq strokeSpline
|
||||
. deepseq strokeBrushRef
|
||||
. deepseq strokeUnique
|
||||
. deepseq strokeVisible
|
||||
$ rnf strokeName
|
||||
|
@ -224,21 +216,6 @@ overStrokeSpline
|
|||
overStrokeSpline f = coerce ( _strokeSpline @Identity ( coerce . f ) )
|
||||
|
||||
|
||||
data Brush ( brushFields :: [ Type ] )
|
||||
= BrushData
|
||||
{ brushName :: !Text
|
||||
, brushCode :: !Text
|
||||
, brushFunction :: !( BrushFunction brushFields )
|
||||
}
|
||||
|
||||
instance Show ( Brush brushFields ) where
|
||||
show ( BrushData { brushName } ) = Text.unpack brushName
|
||||
|
||||
-- Brush parameters using open records.
|
||||
emptyBrush :: Brush '[]
|
||||
emptyBrush = BrushData "Empty brush" ""
|
||||
( AdaptableFunction ( const SuperRecord.rnil, const $ Spline ( Point2D 0 0 ) NoCurves ) )
|
||||
|
||||
data PointData params
|
||||
= PointData
|
||||
{ pointCoords :: !( Point2D Double )
|
||||
|
@ -285,6 +262,7 @@ emptyDocument docName unique =
|
|||
, strokes = []
|
||||
, guides = Map.empty
|
||||
}
|
||||
, documentBrushes = Map.empty
|
||||
}
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
|
|
@ -65,10 +65,11 @@ import Math.Module
|
|||
( squaredNorm )
|
||||
import Math.Vector2D
|
||||
( Point2D(..), Vector2D(..) )
|
||||
import MetaBrush.Brush
|
||||
( BrushReference(NoBrush) )
|
||||
import MetaBrush.Document
|
||||
( Document(..), Stroke(..), StrokeSpline
|
||||
, FocusState(..), PointData(..)
|
||||
, emptyBrush
|
||||
, _selection, _strokeSpline
|
||||
, coords, overStrokeSpline
|
||||
)
|
||||
|
@ -118,11 +119,11 @@ getOrCreateDrawAnchor uniqueSupply c doc@( Document { zoomFactor } ) =
|
|||
newStroke :: Stroke
|
||||
newStroke =
|
||||
Stroke
|
||||
{ strokeName = "Stroke " <> uniqueText uniq
|
||||
, strokeVisible = True
|
||||
, strokeUnique = uniq
|
||||
, strokeSpline = newSpline
|
||||
, strokeBrush = emptyBrush
|
||||
{ strokeName = "Stroke " <> uniqueText uniq
|
||||
, strokeVisible = True
|
||||
, strokeUnique = uniq
|
||||
, strokeSpline = newSpline
|
||||
, strokeBrushRef = NoBrush
|
||||
}
|
||||
newDoc' :: Document
|
||||
newDoc'
|
||||
|
|
|
@ -1,6 +1,4 @@
|
|||
{-# LANGUAGE AllowAmbiguousTypes #-}
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE ConstraintKinds #-}
|
||||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE GADTs #-}
|
||||
|
@ -12,12 +10,9 @@
|
|||
{-# LANGUAGE PolyKinds #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
{-# LANGUAGE TypeApplications #-}
|
||||
{-# LANGUAGE TypeFamilies #-}
|
||||
{-# LANGUAGE TypeOperators #-}
|
||||
{-# LANGUAGE UndecidableInstances #-}
|
||||
|
||||
{-# OPTIONS_GHC -fplugin GHC.TypeLits.KnownNat.Solver #-}
|
||||
|
||||
module MetaBrush.Document.Serialise
|
||||
( Serialisable(..)
|
||||
, documentToJSON, documentFromJSON
|
||||
|
@ -27,7 +22,7 @@ module MetaBrush.Document.Serialise
|
|||
|
||||
-- base
|
||||
import Control.Arrow
|
||||
( (&&&) )
|
||||
( (&&&), first )
|
||||
import Control.Monad
|
||||
( unless )
|
||||
import qualified Data.Bifunctor as Bifunctor
|
||||
|
@ -38,22 +33,12 @@ import Data.Functor.Contravariant
|
|||
( contramap )
|
||||
import Data.Functor.Identity
|
||||
( Identity(..) )
|
||||
import Data.Kind
|
||||
( Type )
|
||||
import Data.List
|
||||
( sortBy )
|
||||
import Data.Ord
|
||||
( comparing )
|
||||
import Data.Proxy
|
||||
( Proxy(Proxy) )
|
||||
import Data.Type.Equality
|
||||
( (:~:)(Refl) )
|
||||
import Data.Typeable
|
||||
( Typeable, eqT )
|
||||
import GHC.Exts
|
||||
( Proxy#, proxy# )
|
||||
import GHC.TypeLits
|
||||
( symbolVal', KnownSymbol, SomeSymbol(..), someSymbolVal, sameSymbol )
|
||||
( symbolVal', KnownSymbol )
|
||||
import GHC.TypeNats
|
||||
( KnownNat )
|
||||
import Unsafe.Coerce
|
||||
|
@ -77,16 +62,12 @@ import qualified Data.ByteString.Lazy.Builder as Lazy.ByteString.Builder
|
|||
import Data.Map.Strict
|
||||
( Map )
|
||||
import qualified Data.Map.Strict as Map
|
||||
( fromList, elems )
|
||||
( elems, empty, fromList, insert, lookup )
|
||||
import Data.Sequence
|
||||
( Seq )
|
||||
import qualified Data.Sequence as Seq
|
||||
( fromList )
|
||||
|
||||
-- deepseq
|
||||
import Control.DeepSeq
|
||||
( NFData(..) )
|
||||
|
||||
-- directory
|
||||
import System.Directory
|
||||
( canonicalizePath, createDirectoryIfMissing, doesFileExist )
|
||||
|
@ -99,10 +80,6 @@ import System.FilePath
|
|||
import Data.Generics.Product.Typed
|
||||
( HasType(typed) )
|
||||
|
||||
-- groups
|
||||
import Data.Group
|
||||
( Group )
|
||||
|
||||
-- lens
|
||||
import Control.Lens
|
||||
( view )
|
||||
|
@ -123,13 +100,12 @@ import qualified Control.Concurrent.STM as STM
|
|||
import qualified SuperRecord as Super
|
||||
( Rec )
|
||||
import qualified SuperRecord
|
||||
( Has, RecTy, (:=), FldProxy(..)
|
||||
, RecSize, RecApply(..), RecVecIdxPos, UnsafeRecBuild(..)
|
||||
, TraversalCHelper, RemoveAccessTo, Intersect
|
||||
( FldProxy(..)
|
||||
, RecSize, RecApply(..), UnsafeRecBuild(..)
|
||||
, reflectRec
|
||||
)
|
||||
import SuperRecord
|
||||
( ConstC, Tuple22C )
|
||||
( ConstC )
|
||||
|
||||
-- text
|
||||
import Data.Text
|
||||
|
@ -140,10 +116,18 @@ import qualified Data.Text as Text
|
|||
-- transformers
|
||||
import Control.Monad.IO.Class
|
||||
( MonadIO(liftIO) )
|
||||
import Control.Monad.Trans.Reader
|
||||
( runReaderT )
|
||||
import Control.Monad.Trans.Class
|
||||
( MonadTrans(lift) )
|
||||
import Control.Monad.Trans.Reader
|
||||
( runReaderT )
|
||||
import Control.Monad.Trans.State.Strict
|
||||
( StateT, runStateT, get, put )
|
||||
|
||||
-- unordered-containers
|
||||
import Data.HashMap.Strict
|
||||
( HashMap )
|
||||
import qualified Data.HashMap.Strict as HashMap
|
||||
( foldrWithKey', insert, lookup )
|
||||
|
||||
-- waargonaut
|
||||
import qualified Waargonaut.Attoparsec as JSON.Decoder
|
||||
|
@ -172,8 +156,12 @@ import qualified Waargonaut.Prettier as JSON
|
|||
( prettyJson )
|
||||
import qualified Waargonaut.Prettier as TonyMorris
|
||||
( Natural )
|
||||
import qualified Waargonaut.Types.JObject as JSON
|
||||
( MapLikeObj )
|
||||
import Waargonaut.Types.Json
|
||||
( Json )
|
||||
import qualified Waargonaut.Types.Whitespace as JSON
|
||||
( WS )
|
||||
|
||||
-- MetaBrush
|
||||
import qualified Math.Bezier.Cubic as Cubic
|
||||
|
@ -186,26 +174,25 @@ import Math.Bezier.Spline
|
|||
)
|
||||
import Math.Bezier.Stroke
|
||||
( CachedStroke(..) )
|
||||
import Math.Module
|
||||
( Module )
|
||||
import Math.Vector2D
|
||||
( Point2D(..), Vector2D(..), Segment )
|
||||
import MetaBrush.Brush
|
||||
( Brush(..), BrushReference(..), newBrushReference
|
||||
, SomeBrushFields(..), SomeFieldSType(..), reflectBrushFieldsNoDups
|
||||
)
|
||||
import MetaBrush.Document
|
||||
( Document(..), DocumentContent(..), Guide(..)
|
||||
, Stroke(..), StrokeSpline
|
||||
, PointData(..), Brush(..) , FocusState(..)
|
||||
, PointData(..), FocusState(..)
|
||||
)
|
||||
import MetaBrush.MetaParameter.AST
|
||||
( SType(..), STypeI(..), STypes(..), STypesI(..)
|
||||
( SType(..), STypeI(..), STypesI(..)
|
||||
, SomeSType(..), someSTypes
|
||||
, Adapted, AdaptableFunction(..), BrushFunction
|
||||
, MapFields, UniqueField, UseFieldsInBrush
|
||||
, AdaptableFunction(..), BrushFunction
|
||||
, eqTy, eqTys
|
||||
)
|
||||
import MetaBrush.MetaParameter.Driver
|
||||
( SomeBrushFunction(..), interpretBrush )
|
||||
import MetaBrush.MetaParameter.Interpolation
|
||||
( Interpolatable(..), MapDiff, HasDiff', HasTorsor )
|
||||
import MetaBrush.Unique
|
||||
( Unique, UniqueSupply, freshUnique )
|
||||
|
||||
|
@ -226,9 +213,16 @@ documentToJSON
|
|||
four = unsafeCoerce ( 4 :: Integer )
|
||||
|
||||
-- | Parse a document from JSON (given by a strict bytestring).
|
||||
documentFromJSON :: UniqueSupply -> Maybe FilePath -> Strict.ByteString -> IO ( Either JSON.DecodeError Document )
|
||||
documentFromJSON uniqueSupply mfp
|
||||
= fmap ( Bifunctor.first fst )
|
||||
--
|
||||
-- Updates the store of brushes by adding any new brushes contained in the document.
|
||||
documentFromJSON
|
||||
:: UniqueSupply -> HashMap Brush Unique
|
||||
-> Maybe FilePath
|
||||
-> Strict.ByteString
|
||||
-> IO ( Either JSON.DecodeError Document, HashMap Brush Unique )
|
||||
documentFromJSON uniqueSupply brushUniques mfp
|
||||
= fmap ( first $ Bifunctor.first fst )
|
||||
. ( `runStateT` brushUniques )
|
||||
. JSON.Decoder.decodeAttoparsecByteString ( decodeDocument uniqueSupply mfp )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
@ -247,12 +241,14 @@ saveDocument path doc = do
|
|||
atomicReplaceFile Nothing path' ( documentToJSON doc )
|
||||
|
||||
-- | Load a MetaBrush document.
|
||||
loadDocument :: UniqueSupply -> FilePath -> IO ( Either String Document )
|
||||
loadDocument uniqueSupply fp = do
|
||||
--
|
||||
-- Updates the store of brushes by adding any new brushes contained in the document.
|
||||
loadDocument :: UniqueSupply -> HashMap Brush Unique -> FilePath -> IO ( Either String Document, HashMap Brush Unique )
|
||||
loadDocument uniqueSupply brushUniques fp = do
|
||||
exists <- doesFileExist fp
|
||||
if exists
|
||||
then Bifunctor.first show <$> ( documentFromJSON uniqueSupply ( Just fp ) =<< Strict.ByteString.readFile fp )
|
||||
else pure ( Left $ "No file at " <> fp )
|
||||
then first ( Bifunctor.first show ) <$> ( documentFromJSON uniqueSupply brushUniques ( Just fp ) =<< Strict.ByteString.readFile fp )
|
||||
else pure ( Left $ "No file at " <> fp, brushUniques )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
|
@ -348,21 +344,21 @@ encodeCurve
|
|||
encodeCurve encodePtData = case ssplineType @clo of
|
||||
SOpen -> JSON.Encoder.mapLikeObj \case
|
||||
LineTo ( NextPoint p1 ) _ ->
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
Bezier2To p1 ( NextPoint p2 ) _ ->
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
. JSON.Encoder.atKey' "p2" encodePtData p2
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
. JSON.Encoder.atKey' "p2" encodePtData p2
|
||||
Bezier3To p1 p2 ( NextPoint p3 ) _ ->
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
. JSON.Encoder.atKey' "p2" encodePtData p2
|
||||
. JSON.Encoder.atKey' "p3" encodePtData p3
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
. JSON.Encoder.atKey' "p2" encodePtData p2
|
||||
. JSON.Encoder.atKey' "p3" encodePtData p3
|
||||
SClosed -> JSON.Encoder.mapLikeObj \case
|
||||
LineTo BackToStart _ -> id
|
||||
Bezier2To p1 BackToStart _ ->
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
Bezier3To p1 p2 BackToStart _ ->
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
. JSON.Encoder.atKey' "p2" encodePtData p2
|
||||
JSON.Encoder.atKey' "p1" encodePtData p1
|
||||
. JSON.Encoder.atKey' "p2" encodePtData p2
|
||||
|
||||
decodeCurve
|
||||
:: forall clo ptData m
|
||||
|
@ -551,6 +547,7 @@ encodeSomeSType = JSON.Encoder.mapLikeObj \ ( SomeSType ( _ :: Proxy# ty ) ) ->
|
|||
-> JSON.Encoder.atKey' "tag" JSON.Encoder.text "adaptableFun"
|
||||
. JSON.Encoder.atKey' "fields" encodeFieldTypes ( someSTypes @kvs )
|
||||
. JSON.Encoder.atKey' "res" encodeSomeSType ( SomeSType ( proxy# :: Proxy# res ) )
|
||||
|
||||
{-
|
||||
decodeSomeSType :: Monad m => JSON.Decoder m SomeSType
|
||||
decodeSomeSType = do
|
||||
|
@ -583,32 +580,33 @@ decodeSomeSType = do
|
|||
( SomeBrushFields ( _ :: Proxy# kvs ) ) <- JSON.Decoder.atKey "fields" decodeFieldTypes
|
||||
( SomeSType ( _ :: Proxy# a ) ) <- JSON.Decoder.atKey "res" decodeSomeSType
|
||||
pure ( SomeSType ( proxy# :: Proxy# ( AdaptableFunction kvs a ) ) )
|
||||
_ -> throwError ( JSON.ParseFailed $ "Unsupported record field type with tag " <> tag )
|
||||
-}
|
||||
|
||||
decodeSomeFieldSType :: Monad m => JSON.Decoder m SomeFieldSType
|
||||
decodeSomeFieldSType = do
|
||||
tag <- JSON.Decoder.atKey "tag" JSON.Decoder.text
|
||||
tag <- JSON.Decoder.atKey "tag" JSON.Decoder.text
|
||||
case tag of
|
||||
"double" -> pure ( SomeFieldSType ( proxy# :: Proxy# Double ) )
|
||||
"point" -> do
|
||||
( SomeFieldSType ( _ :: Proxy# a ) ) <- JSON.Decoder.atKey "coords" decodeSomeFieldSType
|
||||
case eqT @a @Double of
|
||||
case eqTy @a @Double of
|
||||
Just Refl -> pure ( SomeFieldSType ( proxy# :: Proxy# ( Point2D Double ) ) )
|
||||
Nothing -> throwError ( JSON.ParseFailed "Point2D: non-Double coordinate type" )
|
||||
_ -> throwError ( JSON.ParseFailed $ "Unsupported record field type with tag " <> tag )
|
||||
|
||||
|
||||
encodeFieldTypes :: Monad f => JSON.Encoder f ( [ ( Text, SomeSType ) ] )
|
||||
|
||||
encodeFieldTypes :: Monad f => JSON.Encoder f [ ( Text, SomeSType ) ]
|
||||
encodeFieldTypes = JSON.Encoder.keyValueTupleFoldable encodeSomeSType
|
||||
|
||||
decodeFieldTypes :: Monad m => JSON.Decoder m SomeBrushFields
|
||||
decodeFieldTypes = do
|
||||
fields <- JSON.Decoder.objectAsKeyValues JSON.Decoder.text decodeSomeFieldSType
|
||||
let
|
||||
sortedFields :: [ ( Text, SomeFieldSType ) ]
|
||||
sortedFields = sortBy ( comparing fst ) fields
|
||||
duplicates :: [ Text ]
|
||||
duplicates = duplicatesAcc [] [] sortedFields
|
||||
duplicatesAcc :: [ Text ] -> [ Text ] -> [ ( Text, SomeFieldSType ) ] -> [ Text ]
|
||||
duplicates = duplicatesAcc [] [] fields
|
||||
duplicatesAcc :: [ Text ] -> [ Text ] -> [ ( Text, whatever ) ] -> [ Text ]
|
||||
duplicatesAcc _ dups [] = dups
|
||||
duplicatesAcc seen dups ( ( k, _ ) : kvs )
|
||||
| k `elem` seen
|
||||
|
@ -616,89 +614,37 @@ decodeFieldTypes = do
|
|||
| otherwise
|
||||
= duplicatesAcc ( k : seen ) dups kvs
|
||||
case duplicates of
|
||||
[] -> pure ( mkBrushFields sortedFields )
|
||||
[] -> pure ( reflectBrushFieldsNoDups fields )
|
||||
[dup] -> throwError ( JSON.ParseFailed $ "Duplicate field name " <> dup <> " in brush record type" )
|
||||
dups -> throwError ( JSON.ParseFailed $ "Duplicate field names in brush record type:\n" <> Text.unwords dups )
|
||||
|
||||
where
|
||||
|
||||
mkBrushFields :: [ ( Text, SomeFieldSType ) ] -> SomeBrushFields
|
||||
mkBrushFields = fromSomeBrushFieldsList . mkBrushFieldsList
|
||||
|
||||
mkBrushFieldsList :: [ ( Text, SomeFieldSType ) ] -> SomeBrushFieldsList
|
||||
mkBrushFieldsList [] = SomeBrushFieldsList NilFields
|
||||
mkBrushFieldsList ( ( k, SomeFieldSType ( _ :: Proxy# v ) ) : kvs )
|
||||
| SomeBrushFieldsList ( kvs_list :: BrushFieldsList kvs ) <- mkBrushFieldsList kvs
|
||||
, SomeSymbol ( _ :: Proxy k ) <- someSymbolVal ( Text.unpack k )
|
||||
-- deduce RecSize ( MapDiff kvs ) ~ RecSize kvs
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize ( MapDiff kvs ) :~: SuperRecord.RecSize kvs )
|
||||
-- compute indexing into record list (with SuperRecord, the index is the number of fields remaining)
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k ( ( k SuperRecord.:= v ) : kvs ) :~: SuperRecord.RecSize kvs )
|
||||
= SomeBrushFieldsList ( ConsFields ( proxy# :: Proxy# k ) ( proxy# :: Proxy# v ) kvs_list )
|
||||
|
||||
fromSomeBrushFieldsList :: SomeBrushFieldsList -> SomeBrushFields
|
||||
fromSomeBrushFieldsList ( SomeBrushFieldsList ( kvs :: BrushFieldsList kvs ) ) = case go @kvs kvs of
|
||||
SomeClassyBrushFieldsList ( _ :: Proxy# kvs ) ( _ :: Proxy# kvs ) ->
|
||||
SomeBrushFields ( proxy# :: Proxy# kvs )
|
||||
where
|
||||
go :: forall ( rts :: [ Type ] ) ( lts :: [ Type ] )
|
||||
. ( STypesI rts, KnownNat ( SuperRecord.RecSize rts ), KnownNat ( SuperRecord.RecSize ( MapDiff rts ) ) )
|
||||
=> BrushFieldsList lts -> SomeClassyBrushFieldsList rts lts
|
||||
go NilFields =
|
||||
SomeClassyBrushFieldsList ( proxy# :: Proxy# rts ) ( proxy# :: Proxy# '[] )
|
||||
go ( ConsFields ( _ :: Proxy# k ) ( _ :: Proxy# a ) kvs' )
|
||||
| ( SomeClassyBrushFieldsList _ ( _ :: Proxy# lts' ) ) <- go @rts kvs'
|
||||
-- Assert some facts that result from the field names being distinct:
|
||||
-- - current field name does not re-occur later on
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RemoveAccessTo k lts' :~: lts' )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RemoveAccessTo k ( MapDiff lts' ) :~: MapDiff lts' )
|
||||
-- - looking up the type associated with the current field name returns the current type
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k rts :~: Just a )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k ( MapDiff rts ) :~: Just ( Diff a ) )
|
||||
-- - MapDiff preserves length
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize ( MapDiff lts' ) :~: SuperRecord.RecSize lts' )
|
||||
-- - compute the index (which is the number of fields remaining, i.e. the indexing starts counting from 0 from the right)
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k rts :~: SuperRecord.RecSize lts' )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k ( MapDiff rts ) :~: SuperRecord.RecSize lts' )
|
||||
= SomeClassyBrushFieldsList ( proxy# :: Proxy# rts ) ( proxy# :: Proxy# ( ( k SuperRecord.:= a ) ': lts' ) )
|
||||
|
||||
|
||||
|
||||
encodeBrush :: Applicative f => JSON.Encoder f ( Brush brushParams )
|
||||
encodeBrush = JSON.Encoder.mapLikeObj \ ( BrushData { brushName, brushCode } ) ->
|
||||
encodeBrush :: Applicative f => JSON.Encoder f Brush
|
||||
encodeBrush = JSON.Encoder.mapLikeObj
|
||||
\ ( BrushData { brushName, brushCode } ) ->
|
||||
JSON.Encoder.atKey' "name" JSON.Encoder.text brushName
|
||||
. JSON.Encoder.atKey' "code" JSON.Encoder.text brushCode
|
||||
|
||||
decodeBrush
|
||||
:: forall m flds. ( MonadIO m, STypesI flds )
|
||||
=> UniqueSupply
|
||||
-> JSON.Decoder m ( Brush flds )
|
||||
decodeBrush :: MonadIO m => UniqueSupply -> JSON.Decoder m Brush
|
||||
decodeBrush uniqSupply = do
|
||||
brushName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
||||
brushCode <- JSON.Decoder.atKey "code" JSON.Decoder.text
|
||||
( mbBrush, _ ) <- lift ( liftIO $ interpretBrush uniqSupply brushCode )
|
||||
case mbBrush of
|
||||
Left err -> throwError ( JSON.ParseFailed ( "Failed to interpret brush code:\n" <> ( Text.pack $ show err ) ) )
|
||||
Right ( SomeBrushFunction ( brushFunction :: BrushFunction brushParams ) ) ->
|
||||
case eqTys @flds @brushParams of
|
||||
Just Refl -> pure ( BrushData { brushName, brushCode, brushFunction } )
|
||||
Nothing ->
|
||||
throwError
|
||||
( JSON.ParseFailed $
|
||||
"Brush has unexpected input record type:\n\
|
||||
\Expected: " <> Text.pack ( show ( sTypesI @flds ) ) <> "\n\
|
||||
\ Actual: " <> Text.pack ( show ( sTypesI @brushParams ) )
|
||||
)
|
||||
|
||||
Right ( SomeBrushFunction brushFunction ) ->
|
||||
pure ( BrushData { brushName, brushCode, brushFunction } )
|
||||
|
||||
|
||||
encodeStroke :: Monad f => JSON.Encoder f Stroke
|
||||
encodeStroke = JSON.Encoder.mapLikeObj
|
||||
|
||||
encodeStroke :: Monad f => Map Unique Brush -> JSON.Encoder f Stroke
|
||||
encodeStroke brushes = JSON.Encoder.mapLikeObj
|
||||
\ ( Stroke
|
||||
{ strokeName
|
||||
, strokeVisible
|
||||
, strokeSpline = strokeSpline :: StrokeSpline clo ( Super.Rec pointFields )
|
||||
, strokeBrush = strokeBrush :: Brush brushFields
|
||||
, strokeBrushRef
|
||||
}
|
||||
) ->
|
||||
let
|
||||
|
@ -706,38 +652,58 @@ encodeStroke = JSON.Encoder.mapLikeObj
|
|||
closed = case ssplineType @clo of
|
||||
SClosed -> True
|
||||
SOpen -> False
|
||||
mbEncodeBrush :: JSON.MapLikeObj JSON.WS Json -> JSON.MapLikeObj JSON.WS Json
|
||||
mbEncodeBrush = case strokeBrushRef of
|
||||
BrushReference ( _ :: Proxy# brushFields1 ) unique ->
|
||||
case Map.lookup unique brushes of
|
||||
Nothing -> error ( "encodeStroke: no brush with unique " <> show unique <> "in environment" )
|
||||
Just ( brush@BrushData { brushName, brushFunction = ( _ :: BrushFunction brushFields2 ) } ) ->
|
||||
case eqTys @brushFields1 @brushFields2 of
|
||||
Nothing -> error
|
||||
( "encodeStroke: brush '" <> Text.unpack brushName <> "' has unexpected field types.\n\
|
||||
\Expected: " <> show ( sTypesI @brushFields1 ) <> "\n\
|
||||
\ Actual: " <> show ( sTypesI @brushFields2 )
|
||||
)
|
||||
Just Refl -> JSON.Encoder.atKey' "brush" encodeBrush brush
|
||||
NoBrush -> id
|
||||
in
|
||||
JSON.Encoder.atKey' "name" JSON.Encoder.text strokeName
|
||||
. JSON.Encoder.atKey' "visible" JSON.Encoder.bool strokeVisible
|
||||
. JSON.Encoder.atKey' "closed" JSON.Encoder.bool closed
|
||||
. JSON.Encoder.atKey' "brushFields" encodeFieldTypes ( someSTypes @brushFields )
|
||||
. JSON.Encoder.atKey' "pointFields" encodeFieldTypes ( someSTypes @pointFields )
|
||||
. JSON.Encoder.atKey' "usedFields" encodeFieldTypes ( someSTypes @( brushFields `SuperRecord.Intersect` pointFields ) )
|
||||
. JSON.Encoder.atKey' "brush" encodeBrush strokeBrush
|
||||
. mbEncodeBrush
|
||||
. JSON.Encoder.atKey' "spline" ( encodeSpline encodePointData ) strokeSpline
|
||||
|
||||
|
||||
|
||||
decodeStroke :: forall m. MonadIO m => UniqueSupply -> JSON.Decoder m Stroke
|
||||
decodeStroke :: forall m. MonadIO m => UniqueSupply -> JSON.Decoder ( StateT ( HashMap Brush Unique ) m ) Stroke
|
||||
decodeStroke uniqueSupply = do
|
||||
brushHashMap <- lift get
|
||||
strokeName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
||||
strokeVisible <- JSON.Decoder.atKey "visible" JSON.Decoder.bool
|
||||
strokeUnique <- lift ( liftIO . STM.atomically $ runReaderT freshUnique uniqueSupply )
|
||||
strokeClosed <- JSON.Decoder.atKey "closed" JSON.Decoder.bool
|
||||
SomeBrushFields ( _ :: Proxy# brushFields ) <- JSON.Decoder.atKey "brushFields" decodeFieldTypes
|
||||
SomeBrushFields ( _ :: Proxy# pointFields ) <- JSON.Decoder.atKey "pointFields" decodeFieldTypes
|
||||
SomeBrushFields ( _ :: Proxy# usedFields ) <- JSON.Decoder.atKey "usedFields" decodeFieldTypes
|
||||
strokeBrush <- JSON.Decoder.atKey "brush" ( decodeBrush @m @brushFields uniqueSupply )
|
||||
case proveAdapted @brushFields @pointFields @usedFields of
|
||||
Nothing -> throwError ( JSON.ParseFailed "Stroke: 'usedFields' is not equal to 'brushFields `Intersect` pointFields'" )
|
||||
Just Dict ->
|
||||
case strokeClosed of
|
||||
True -> do
|
||||
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Closed @( PointData ( Super.Rec pointFields ) ) decodePointData )
|
||||
pure ( Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrush } )
|
||||
False -> do
|
||||
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Open @( PointData ( Super.Rec pointFields ) ) decodePointData )
|
||||
pure ( Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrush } )
|
||||
mbBrush <- JSON.Decoder.atKeyOptional "brush" ( decodeBrush uniqueSupply )
|
||||
strokeBrushRef <-
|
||||
case mbBrush of
|
||||
Nothing -> pure NoBrush
|
||||
Just ( brush@BrushData { brushFunction = _ :: BrushFunction brushFields } ) -> do
|
||||
brushUnique <-
|
||||
case HashMap.lookup brush brushHashMap of
|
||||
Nothing -> do
|
||||
brushUnique <- lift ( liftIO . STM.atomically $ runReaderT freshUnique uniqueSupply )
|
||||
lift $ put ( HashMap.insert brush brushUnique brushHashMap )
|
||||
pure brushUnique
|
||||
Just brushUnique -> pure brushUnique
|
||||
pure ( newBrushReference @brushFields brushUnique )
|
||||
if strokeClosed
|
||||
then do
|
||||
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Closed @( PointData ( Super.Rec pointFields ) ) decodePointData )
|
||||
pure ( Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrushRef } )
|
||||
else do
|
||||
strokeSpline <- JSON.Decoder.atKey "spline" ( decodeSpline @Open @( PointData ( Super.Rec pointFields ) ) decodePointData )
|
||||
pure ( Stroke { strokeName, strokeVisible, strokeUnique, strokeSpline, strokeBrushRef } )
|
||||
|
||||
|
||||
|
||||
encodeGuide :: Applicative f => JSON.Encoder f Guide
|
||||
encodeGuide = JSON.Encoder.mapLikeObj \ ( Guide { guidePoint, guideNormal } ) ->
|
||||
|
@ -756,12 +722,15 @@ decodeGuide uniqueSupply = do
|
|||
|
||||
|
||||
|
||||
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" ( JSON.Encoder.list encodeStroke ) strokes
|
||||
encodeDocumentContent :: Applicative f => Map Unique Brush -> JSON.Encoder f DocumentContent
|
||||
encodeDocumentContent brushes = JSON.Encoder.mapLikeObj \ ( Content { guides, strokes } ) ->
|
||||
JSON.Encoder.atKey' "guides" ( encodeUniqueMap encodeGuide ) guides
|
||||
. JSON.Encoder.atKey' "strokes" ( JSON.Encoder.list $ encodeStroke brushes ) strokes
|
||||
|
||||
decodeDocumentContent :: MonadIO m => UniqueSupply -> JSON.Decoder m DocumentContent
|
||||
decodeDocumentContent
|
||||
:: MonadIO m
|
||||
=> UniqueSupply
|
||||
-> JSON.Decoder ( StateT ( HashMap Brush Unique ) m ) DocumentContent
|
||||
decodeDocumentContent uniqueSupply = do
|
||||
let
|
||||
unsavedChanges :: Bool
|
||||
|
@ -775,189 +744,22 @@ decodeDocumentContent uniqueSupply = do
|
|||
|
||||
|
||||
encodeDocument :: Applicative f => JSON.Encoder f Document
|
||||
encodeDocument = JSON.Encoder.mapLikeObj \ ( Document { displayName, viewportCenter, zoomFactor, documentContent } ) ->
|
||||
JSON.Encoder.atKey' "name" JSON.Encoder.text displayName
|
||||
. JSON.Encoder.atKey' "center" ( encoder @( Point2D Double ) ) viewportCenter
|
||||
. JSON.Encoder.atKey' "zoom" ( encoder @Double ) zoomFactor
|
||||
. JSON.Encoder.atKey' "content" encodeDocumentContent documentContent
|
||||
encodeDocument = JSON.Encoder.mapLikeObj
|
||||
\ ( Document { displayName, viewportCenter, zoomFactor, documentContent, documentBrushes } ) ->
|
||||
JSON.Encoder.atKey' "name" JSON.Encoder.text displayName
|
||||
. JSON.Encoder.atKey' "center" ( encoder @( Point2D Double ) ) viewportCenter
|
||||
. JSON.Encoder.atKey' "zoom" ( encoder @Double ) zoomFactor
|
||||
. JSON.Encoder.atKey' "content" ( encodeDocumentContent documentBrushes ) documentContent
|
||||
|
||||
decodeDocument :: MonadIO m => UniqueSupply -> Maybe FilePath -> JSON.Decoder m Document
|
||||
decodeDocument :: MonadIO m => UniqueSupply -> Maybe FilePath -> JSON.Decoder ( StateT ( HashMap Brush Unique ) m ) Document
|
||||
decodeDocument uniqueSupply mbFilePath = do
|
||||
displayName <- JSON.Decoder.atKey "name" JSON.Decoder.text
|
||||
viewportCenter <- JSON.Decoder.atKey "center" ( decoder @( Point2D Double ) )
|
||||
zoomFactor <- JSON.Decoder.atKey "zoom" ( decoder @Double )
|
||||
documentUnique <- lift ( liftIO . STM.atomically $ runReaderT freshUnique uniqueSupply )
|
||||
documentContent <- JSON.Decoder.atKey "content" ( decodeDocumentContent uniqueSupply )
|
||||
pure ( Document { displayName, mbFilePath, viewportCenter, zoomFactor, documentUnique, documentContent } )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Various auxiliary types.
|
||||
|
||||
-- | Existential type over an allowed record field type used in brushes, such as Double and Point2D Double.
|
||||
data SomeFieldSType where
|
||||
SomeFieldSType
|
||||
:: ( STypeI a, Show a, NFData a, Serialisable a, Interpolatable a, Typeable a )
|
||||
=> Proxy# a -> SomeFieldSType
|
||||
|
||||
-- | Existential type for allowed fields of a brush record.
|
||||
data SomeBrushFields where
|
||||
SomeBrushFields
|
||||
:: forall kvs rec
|
||||
. ( STypesI kvs
|
||||
, rec ~ Super.Rec kvs
|
||||
, Show rec, NFData rec
|
||||
, Interpolatable rec
|
||||
, Serialisable rec
|
||||
)
|
||||
=> Proxy# kvs -> SomeBrushFields
|
||||
|
||||
instance Show SomeBrushFields where
|
||||
show ( SomeBrushFields ( _ :: Proxy# kvs ) ) = show ( sTypesI @kvs )
|
||||
|
||||
-- | Auxiliary datatype used to create a proof that record fields have the required instances.
|
||||
data BrushFieldsList kvs where
|
||||
NilFields :: BrushFieldsList '[]
|
||||
ConsFields
|
||||
::
|
||||
( KnownSymbol k
|
||||
, Show a, NFData a, Serialisable a
|
||||
, Interpolatable a
|
||||
, STypesI kvs
|
||||
, KnownNat ( SuperRecord.RecSize kvs )
|
||||
, SuperRecord.Has ( k SuperRecord.:= a ': kvs ) k a
|
||||
)
|
||||
=> Proxy# k -> Proxy# a -> BrushFieldsList kvs -> BrushFieldsList ( k SuperRecord.:= a ': kvs )
|
||||
|
||||
-- | Existential type used in the process of proving that record fields have the required instances.
|
||||
data SomeBrushFieldsList where
|
||||
SomeBrushFieldsList
|
||||
:: ( STypesI kvs
|
||||
, KnownNat ( SuperRecord.RecSize kvs )
|
||||
, KnownNat ( SuperRecord.RecSize ( MapDiff kvs ) )
|
||||
)
|
||||
=> BrushFieldsList kvs -> SomeBrushFieldsList
|
||||
|
||||
-- | Type used to backtrack instance resolution in the SuperRecord library,
|
||||
-- to witness the required typeclass instances by induction on the record fields.
|
||||
data SomeClassyBrushFieldsList rts lts where
|
||||
SomeClassyBrushFieldsList
|
||||
:: forall rts lts drts dlts
|
||||
. ( drts ~ MapDiff rts
|
||||
, dlts ~ MapDiff lts
|
||||
, KnownNat ( SuperRecord.RecSize rts )
|
||||
, KnownNat ( SuperRecord.RecSize drts )
|
||||
, SuperRecord.UnsafeRecBuild rts lts ( ConstC Serialisable )
|
||||
, SuperRecord.UnsafeRecBuild drts dlts ( ConstC ( Module Double ) )
|
||||
, SuperRecord.UnsafeRecBuild drts dlts ( ConstC Monoid )
|
||||
, SuperRecord.RecApply rts lts ( ConstC Show )
|
||||
, SuperRecord.RecApply rts lts ( ConstC NFData )
|
||||
, SuperRecord.RecApply rts lts ( ConstC Serialisable )
|
||||
, SuperRecord.RecApply drts dlts ( Tuple22C ( ConstC ( Module Double ) ) ( SuperRecord.Has drts ) )
|
||||
, SuperRecord.RecApply drts dlts ( Tuple22C ( ConstC Semigroup ) ( SuperRecord.Has drts ) )
|
||||
, SuperRecord.RecApply drts dlts ( Tuple22C ( ConstC Group ) ( SuperRecord.Has drts ) )
|
||||
, SuperRecord.RecApply drts dlts ( HasDiff' rts )
|
||||
, SuperRecord.TraversalCHelper dlts rts drts ( HasTorsor rts )
|
||||
)
|
||||
=> Proxy# rts -> Proxy# lts -> SomeClassyBrushFieldsList rts lts
|
||||
|
||||
proveAdapted
|
||||
:: forall brushFields givenFields usedFields
|
||||
. ( STypesI brushFields, STypesI givenFields, STypesI usedFields )
|
||||
=> Maybe ( Dict ( Adapted brushFields givenFields usedFields ) )
|
||||
proveAdapted
|
||||
| Just Dict <- proveUnsafeRecBuild @usedFields
|
||||
, Just Dict <- proveRecApply @brushFields ( size @usedFields )
|
||||
, Refl <- ( unsafeCoerce Refl :: usedFields :~: ( brushFields `SuperRecord.Intersect` givenFields ) )
|
||||
= Just Dict
|
||||
| otherwise
|
||||
= Nothing
|
||||
where
|
||||
-- Provide evidence that each field of "used" appears in "given".
|
||||
proveUnsafeRecBuild
|
||||
:: forall lts_used
|
||||
. ( STypesI lts_used )
|
||||
=> Maybe ( Dict ( SuperRecord.UnsafeRecBuild usedFields lts_used ( SuperRecord.Has givenFields ) ) )
|
||||
proveUnsafeRecBuild = case sTypesI @lts_used of
|
||||
STyNil -> Just Dict
|
||||
sTyCons@STyCons
|
||||
| ( _ :: STypes ( k SuperRecord.:= v ': tail_lts_used ) ) <- sTyCons
|
||||
, SomeIndex ( _ :: Proxy# i ) <- lookupIndex @k @v @givenFields
|
||||
, Just Dict <- proveUnsafeRecBuild @tail_lts_used
|
||||
-> Just Dict
|
||||
| otherwise
|
||||
-> Nothing
|
||||
|
||||
-- Provide evidence whether each field of "brush" appears in "used" or not.
|
||||
-- Additionally checks that "used" is a subset of "brush".
|
||||
proveRecApply
|
||||
:: forall lts_brush
|
||||
. ( STypesI lts_brush )
|
||||
=> Int
|
||||
-> Maybe ( Dict ( SuperRecord.RecApply ( MapFields UniqueField brushFields ) ( MapFields UniqueField lts_brush ) ( UseFieldsInBrush usedFields ) ) )
|
||||
proveRecApply nbUnseen = case sTypesI @lts_brush of
|
||||
STyNil -> if nbUnseen < 1 then Just Dict else Nothing
|
||||
sTyCons@STyCons
|
||||
| ( _ :: STypes ( k SuperRecord.:= v ': tail_lts_brush ) ) <- sTyCons
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecSize ( MapFields UniqueField brushFields ) :~: SuperRecord.RecSize brushFields )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k ( MapFields UniqueField brushFields ) :~: SuperRecord.RecSize tail_lts_brush )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k ( MapFields UniqueField brushFields ) :~: Just ( UniqueField v ) )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RemoveAccessTo k ( MapFields UniqueField tail_lts_brush ) :~: MapFields UniqueField tail_lts_brush )
|
||||
-> case lookupIndex @k @v @usedFields of
|
||||
SomeIndex ( _ :: Proxy# i ) ->
|
||||
case proveRecApply @tail_lts_brush ( nbUnseen - 1 ) of
|
||||
Just Dict -> Just Dict
|
||||
Nothing -> Nothing
|
||||
NoIndex ->
|
||||
case proveRecApply @tail_lts_brush nbUnseen of
|
||||
Just Dict -> Just Dict
|
||||
Nothing -> Nothing
|
||||
|
||||
data LookupResult k v kvs where
|
||||
NoIndex
|
||||
:: forall k v kvs
|
||||
. ( SuperRecord.RecTy k kvs ~ Nothing )
|
||||
=> LookupResult k v kvs
|
||||
SomeIndex
|
||||
:: forall k v kvs i
|
||||
. ( SuperRecord.RecTy k kvs ~ Just v
|
||||
, SuperRecord.RecVecIdxPos k kvs ~ i
|
||||
, KnownNat i
|
||||
)
|
||||
=> Proxy# i -> LookupResult k v kvs
|
||||
|
||||
lookupIndex
|
||||
:: forall k v kvs
|
||||
. ( STypesI kvs, KnownSymbol k, STypeI v )
|
||||
=> LookupResult k v kvs
|
||||
lookupIndex = case sTypesI @kvs of
|
||||
STyNil -> NoIndex
|
||||
sTyCons@STyCons
|
||||
| ( _ :: STypes ( ( l SuperRecord.:= w ) ': tail_kvs ) ) <- sTyCons
|
||||
-> case sameSymbol ( Proxy :: Proxy k ) ( Proxy :: Proxy l ) of
|
||||
Just Refl
|
||||
| Just Refl <- eqTy @v @w
|
||||
, ( index_proxy :: Proxy# i ) <- ( proxy# :: Proxy# ( SuperRecord.RecSize tail_kvs ) )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k kvs :~: i )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k kvs :~: Just v )
|
||||
-> SomeIndex index_proxy
|
||||
_ -> case lookupIndex @k @v @tail_kvs of
|
||||
NoIndex
|
||||
| Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k kvs :~: Nothing )
|
||||
-> NoIndex
|
||||
SomeIndex ( px_j :: Proxy# j )
|
||||
| Refl <- ( unsafeCoerce Refl :: SuperRecord.RecTy k kvs :~: Just v )
|
||||
, Refl <- ( unsafeCoerce Refl :: SuperRecord.RecVecIdxPos k kvs :~: j )
|
||||
-> SomeIndex px_j
|
||||
|
||||
size :: forall kvs. STypesI kvs => Int
|
||||
size = case sTypesI @kvs of
|
||||
STyNil -> 0
|
||||
sTyCons@STyCons
|
||||
| ( _ :: STypes ( head_kvs ': tail_kvs ) ) <- sTyCons
|
||||
-> 1 + size @tail_kvs
|
||||
|
||||
data Dict c where
|
||||
Dict :: c => Dict c
|
||||
|
||||
type family FromJust ( x :: Maybe a ) where
|
||||
FromJust ( Just a ) = a
|
||||
brushUniques <- lift get
|
||||
let
|
||||
documentBrushes :: Map Unique Brush
|
||||
documentBrushes = HashMap.foldrWithKey' ( flip Map.insert ) Map.empty brushUniques
|
||||
pure ( Document { displayName, mbFilePath, viewportCenter, zoomFactor, documentUnique, documentContent, documentBrushes } )
|
||||
|
|
|
@ -1,15 +1,46 @@
|
|||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE UndecidableInstances #-}
|
||||
|
||||
module MetaBrush.Document.Serialise
|
||||
( Serialisable(..) )
|
||||
where
|
||||
|
||||
-- base
|
||||
import GHC.TypeNats
|
||||
( KnownNat )
|
||||
|
||||
-- superrecord
|
||||
import qualified SuperRecord as Super
|
||||
( Rec )
|
||||
import qualified SuperRecord
|
||||
( RecApply, RecSize, UnsafeRecBuild )
|
||||
import SuperRecord
|
||||
( ConstC )
|
||||
|
||||
-- waargonaut
|
||||
import qualified Waargonaut.Decode as JSON
|
||||
( Decoder )
|
||||
import qualified Waargonaut.Encode as JSON
|
||||
( Encoder )
|
||||
|
||||
-- MetaBrush
|
||||
import Math.Vector2D
|
||||
( Point2D, Vector2D )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
class Serialisable a where
|
||||
encoder :: Monad f => JSON.Encoder f a
|
||||
decoder :: Monad m => JSON.Decoder m a
|
||||
|
||||
instance Serialisable Double
|
||||
|
||||
instance Serialisable a => Serialisable ( Point2D a )
|
||||
|
||||
instance Serialisable a => Serialisable ( Vector2D a )
|
||||
|
||||
instance ( SuperRecord.RecApply flds flds ( ConstC Serialisable )
|
||||
, SuperRecord.UnsafeRecBuild flds flds ( ConstC Serialisable )
|
||||
, KnownNat ( SuperRecord.RecSize flds )
|
||||
)
|
||||
=> Serialisable ( Super.Rec flds )
|
||||
|
|
|
@ -50,6 +50,8 @@ import Data.Functor.Identity
|
|||
( Identity(..) )
|
||||
import Data.Kind
|
||||
( Type, Constraint )
|
||||
import Data.List
|
||||
( intercalate )
|
||||
import Data.Proxy
|
||||
( Proxy(..) )
|
||||
import Data.Type.Equality
|
||||
|
@ -178,22 +180,32 @@ instance ( STypesI kvs, STypeI a ) => STypeI ( AdaptableFunction kvs a ) where
|
|||
data STypes ( kvs :: [ Type ] ) where
|
||||
STyNil :: STypes '[]
|
||||
STyCons :: ( kv ~ ( k SuperRecord.:= v ), KnownSymbol k, STypeI v, STypesI kvs ) => STypes ( kv ': kvs )
|
||||
deriving stock instance Show ( STypes kvs )
|
||||
instance Show ( STypes kvs ) where
|
||||
show sTypes = "'[" <> intercalate "," ( showSTypes sTypes ) <> "]"
|
||||
showSTypes :: STypes kvs -> [ String ]
|
||||
showSTypes STyNil = []
|
||||
showSTypes sTyCons@STyCons
|
||||
| ( _ :: STypes ( ( k SuperRecord.:= v ) ': tail_kvs ) ) <- sTyCons
|
||||
= ( symbolVal' ( proxy# :: Proxy# k ) <> " := " <> show ( sTypeI @v ) ) : showSTypes ( sTypesI @tail_kvs )
|
||||
|
||||
class KnownNat ( SuperRecord.RecSize kvs ) => STypesI kvs where
|
||||
sTypesI :: STypes kvs
|
||||
|
||||
instance STypesI '[] where
|
||||
sTypesI = STyNil
|
||||
-- Warning: this instance is somewhat overly general as it doesn't check that the names are ordered.
|
||||
-- Warning: this instance is somewhat overly general as it doesn't check for lack of duplicates
|
||||
instance ( kv ~ ( k SuperRecord.:= v ), KnownSymbol k, STypeI v, STypesI kvs ) => STypesI ( kv ': kvs ) where
|
||||
sTypesI = STyCons
|
||||
|
||||
data SomeSType where
|
||||
SomeSType :: STypeI a => Proxy# a -> SomeSType
|
||||
|
||||
instance Show SomeSType where
|
||||
show ( SomeSType ( _ :: Proxy# a ) ) = show ( sTypeI @a )
|
||||
instance Eq SomeSType where
|
||||
( SomeSType ( _ :: Proxy# a ) ) == ( SomeSType ( _ :: Proxy# b ) ) =
|
||||
case eqTy @a @b of
|
||||
Just _ -> True
|
||||
_ -> False
|
||||
|
||||
eqSTy :: SType a -> SType b -> Maybe ( a :~: b )
|
||||
eqSTy sTy_a@SFunTy sTy_b@SFunTy
|
||||
|
@ -263,7 +275,10 @@ someSTypes = go ( sTypesI @kvs )
|
|||
go STyNil = []
|
||||
go sTyCons@STyCons
|
||||
| ( _ :: STypes ( ( l SuperRecord.:= v ) ': lvs' ) ) <- sTyCons
|
||||
= ( Text.pack $ symbolVal' ( proxy# :: Proxy# l ), SomeSType ( proxy# :: Proxy# v ) )
|
||||
, let
|
||||
l :: Text
|
||||
l = Text.pack $ symbolVal' ( proxy# :: Proxy# l )
|
||||
= ( l, SomeSType ( proxy# :: Proxy# v ) )
|
||||
: go ( sTypesI @lvs' )
|
||||
|
||||
------------------------------------------------
|
||||
|
|
|
@ -1,6 +1,8 @@
|
|||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE FlexibleContexts #-}
|
||||
{-# LANGUAGE FlexibleInstances #-}
|
||||
{-# LANGUAGE GADTs #-}
|
||||
{-# LANGUAGE MagicHash #-}
|
||||
{-# LANGUAGE MultiParamTypeClasses #-}
|
||||
{-# LANGUAGE PolyKinds #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
|
@ -12,7 +14,9 @@
|
|||
{-# OPTIONS_GHC -fno-warn-orphans #-}
|
||||
|
||||
module MetaBrush.MetaParameter.Interpolation
|
||||
( Interpolatable(..), MapDiff, HasDiff', HasTorsor )
|
||||
( Interpolatable(..)
|
||||
, MapDiff, HasDiff', HasTorsor
|
||||
)
|
||||
where
|
||||
|
||||
-- base
|
||||
|
@ -20,15 +24,23 @@ import Data.Functor.Identity
|
|||
( Identity(..) )
|
||||
import Data.Kind
|
||||
( Type )
|
||||
import Data.List
|
||||
( intercalate )
|
||||
import Data.Monoid
|
||||
( Sum )
|
||||
import GHC.Exts
|
||||
( Proxy#, proxy# )
|
||||
import GHC.TypeLits
|
||||
( Symbol )
|
||||
( Symbol, KnownSymbol, symbolVal' )
|
||||
|
||||
-- acts
|
||||
import Data.Act
|
||||
( Act(..), Torsor(..) )
|
||||
|
||||
-- deepseq
|
||||
import Control.DeepSeq
|
||||
( NFData )
|
||||
|
||||
-- groups
|
||||
import Data.Group
|
||||
( Group(..) )
|
||||
|
@ -48,6 +60,8 @@ import Math.Module
|
|||
( Module(..) )
|
||||
import Math.Vector2D
|
||||
( Point2D, Vector2D )
|
||||
import MetaBrush.MetaParameter.AST
|
||||
( STypeI(..), STypesI )
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
|
||||
|
@ -78,8 +92,6 @@ type family MapDiff ( kvs :: [ Type ] ) = ( lvs :: [ Type ] ) | lvs -> kvs where
|
|||
MapDiff ( k SuperRecord.:= v ': kvs ) = ( k SuperRecord.:= Diff v ': MapDiff kvs )
|
||||
|
||||
|
||||
|
||||
|
||||
instance ( Monoid ( Super.Rec kvs )
|
||||
, SuperRecord.RecApply kvs kvs
|
||||
( Tuple22C ( ConstC Group ) ( SuperRecord.Has kvs ) )
|
||||
|
|
|
@ -1,3 +1,4 @@
|
|||
{-# LANGUAGE AllowAmbiguousTypes #-}
|
||||
{-# LANGUAGE BlockArguments #-}
|
||||
{-# LANGUAGE DataKinds #-}
|
||||
{-# LANGUAGE DeriveTraversable #-}
|
||||
|
@ -31,6 +32,10 @@ import Data.Functor.Compose
|
|||
( Compose(..) )
|
||||
import Data.Int
|
||||
( Int32 )
|
||||
import Data.Maybe
|
||||
( mapMaybe )
|
||||
import Data.Type.Equality
|
||||
( (:~:)(Refl) )
|
||||
import GHC.Exts
|
||||
( Proxy#, proxy# )
|
||||
import GHC.Generics
|
||||
|
@ -45,6 +50,10 @@ import Data.Act
|
|||
)
|
||||
|
||||
-- containers
|
||||
import Data.Map.Strict
|
||||
( Map )
|
||||
import qualified Data.Map.Strict as Map
|
||||
( lookup )
|
||||
import Data.Sequence
|
||||
( Seq(..) )
|
||||
import Data.Set
|
||||
|
@ -97,6 +106,8 @@ import Math.Vector2D
|
|||
( Point2D(..), Vector2D(..) )
|
||||
import MetaBrush.Asset.Colours
|
||||
( Colours, ColourRecord(..) )
|
||||
import MetaBrush.Brush
|
||||
( Brush(..), BrushReference(..) )
|
||||
import MetaBrush.Context
|
||||
( Modifier(..)
|
||||
, HoldAction(..), PartialPath(..)
|
||||
|
@ -107,7 +118,7 @@ import MetaBrush.Document
|
|||
, Stroke(..), StrokeSpline
|
||||
, FocusState(..)
|
||||
, HoverContext(..), Hoverable(..)
|
||||
, PointData(..), Brush(..), emptyBrush
|
||||
, PointData(..)
|
||||
, _selection
|
||||
, coords
|
||||
)
|
||||
|
@ -118,11 +129,13 @@ import MetaBrush.Document.Serialise
|
|||
import MetaBrush.Document.Update
|
||||
( DocChange(..) )
|
||||
import MetaBrush.MetaParameter.AST
|
||||
( AdaptableFunction(..), BrushFunction )
|
||||
( AdaptableFunction(..), BrushFunction, eqTys )
|
||||
import MetaBrush.MetaParameter.Interpolation
|
||||
( MapDiff )
|
||||
import MetaBrush.UI.ToolBar
|
||||
( Mode(..) )
|
||||
import MetaBrush.Unique
|
||||
( Unique )
|
||||
import MetaBrush.Util
|
||||
( withRGBA )
|
||||
|
||||
|
@ -159,7 +172,7 @@ renderDocument
|
|||
renderDocument
|
||||
cols fitParams mode debug ( viewportWidth, viewportHeight )
|
||||
modifiers mbMousePos mbHoldEvent mbPartialPath
|
||||
doc@( Document { viewportCenter = Point2D cx cy, zoomFactor, documentContent = content } )
|
||||
doc@( Document { viewportCenter = Point2D cx cy, zoomFactor, documentContent = content, documentBrushes } )
|
||||
= ( mbUpdatedDoc, drawingInstructions )
|
||||
|
||||
where
|
||||
|
@ -170,7 +183,7 @@ renderDocument
|
|||
Cairo.translate ( 0.5 + 0.5 * fromIntegral viewportWidth ) ( 0.5 + 0.5 * fromIntegral viewportHeight )
|
||||
Cairo.scale zoomFactor zoomFactor
|
||||
Cairo.translate ( -cx ) ( -cy )
|
||||
for_ strokesWithOutlineInfo
|
||||
for_ strokesRenderData
|
||||
( compositeRenders . getCompose . renderStroke cols mbHoverContext mode debug zoomFactor )
|
||||
renderSelectionRect
|
||||
Cairo.restore
|
||||
|
@ -223,11 +236,11 @@ renderDocument
|
|||
)
|
||||
( PointData finalPoint Normal SuperRecord.rnil )
|
||||
= ( ( Stroke
|
||||
{ strokeSpline = previewSpline
|
||||
, strokeVisible = True
|
||||
, strokeUnique = undefined
|
||||
, strokeName = undefined
|
||||
, strokeBrush = emptyBrush
|
||||
{ strokeSpline = previewSpline
|
||||
, strokeVisible = True
|
||||
, strokeUnique = undefined
|
||||
, strokeName = undefined
|
||||
, strokeBrushRef = NoBrush
|
||||
}
|
||||
)
|
||||
: strokes content
|
||||
|
@ -236,40 +249,8 @@ renderDocument
|
|||
| otherwise
|
||||
= ( strokes content, True )
|
||||
|
||||
strokesWithOutlineInfo :: [ ( Stroke, Maybe ( Either ( SplinePts Closed ) ( SplinePts Closed, SplinePts Closed ), Seq FitPoint ) ) ]
|
||||
strokesWithOutlineInfo =
|
||||
fmap
|
||||
( \ stroke@(
|
||||
Stroke
|
||||
{ strokeSpline = spline :: StrokeSpline clo ( Super.Rec pointFields )
|
||||
, strokeBrush =
|
||||
strokeBrush@(
|
||||
BrushData { brushFunction = ( AdaptableFunction brushFn ) :: BrushFunction brushFields }
|
||||
)
|
||||
, ..
|
||||
} ) ->
|
||||
if strokeVisible
|
||||
then
|
||||
case ( proxy# :: Proxy# ( brushFields `SuperRecord.Intersect` pointFields ) ) of
|
||||
( _ :: Proxy# usedFields ) ->
|
||||
let
|
||||
-- Get the adaptable brush shape (function),
|
||||
-- specialising it to the type we are using.
|
||||
toUsedParams :: Super.Rec pointFields -> Super.Rec usedFields
|
||||
brushShapeFn :: Super.Rec usedFields -> SplinePts Closed
|
||||
( toUsedParams, brushShapeFn ) = brushFn @pointFields @usedFields
|
||||
|
||||
-- Compute the outline using the brush function.
|
||||
newSpline :: Spline clo CachedStroke ( PointData ( Super.Rec pointFields ) )
|
||||
outline :: Either ( SplinePts Closed ) ( SplinePts Closed, SplinePts Closed )
|
||||
fitPts :: Seq FitPoint
|
||||
( newSpline, outline, fitPts ) =
|
||||
computeStrokeOutline @( Super.Rec ( MapDiff usedFields ) ) @clo @( Super.Rec usedFields )
|
||||
fitParams ( toUsedParams . brushParams ) brushShapeFn spline
|
||||
in ( Stroke { strokeSpline = newSpline, .. } , Just ( outline, fitPts ) )
|
||||
else ( stroke , Nothing )
|
||||
)
|
||||
modifiedStrokes
|
||||
strokesRenderData :: [ StrokeRenderData ]
|
||||
strokesRenderData = mapMaybe ( strokeRenderData fitParams documentBrushes ) modifiedStrokes
|
||||
|
||||
mbUpdatedDoc :: Maybe Document
|
||||
mbUpdatedDoc
|
||||
|
@ -284,33 +265,83 @@ renderDocument
|
|||
| otherwise
|
||||
= Nothing -- TODO: update the original document in this case too (by undoing the modifications)
|
||||
|
||||
-- | Utility type to gather information needed to render a stroke.
|
||||
-- - No outline: just the underlying spline.
|
||||
-- - Outline: keep track of the function which returns brush shape.
|
||||
data StrokeRenderData where
|
||||
StrokeRenderData
|
||||
:: forall pointParams clo
|
||||
. ( KnownSplineType clo, Show pointParams )
|
||||
=> { strokeDataSpline :: !( StrokeSpline clo pointParams ) }
|
||||
-> StrokeRenderData
|
||||
StrokeWithOutlineRenderData
|
||||
:: forall pointParams clo
|
||||
. ( KnownSplineType clo, Show pointParams )
|
||||
=> { strokeDataSpline :: !( StrokeSpline clo pointParams )
|
||||
, strokeOutlineData :: !( Either
|
||||
( SplinePts Closed )
|
||||
( SplinePts Closed, SplinePts Closed )
|
||||
, Seq FitPoint
|
||||
)
|
||||
, strokeBrushFunction :: pointParams -> SplinePts Closed
|
||||
}
|
||||
-> StrokeRenderData
|
||||
|
||||
-- | Compute the data necessary to render a stroke.
|
||||
--
|
||||
-- - If the stroke has an associated brush, this consists of:
|
||||
-- - the path that the brush follows,
|
||||
-- - the computed outline (using fitting algorithm),
|
||||
-- - the brush shape function.
|
||||
-- - Otherwise, this consists of the underlying spline path only.
|
||||
strokeRenderData :: FitParameters -> Map Unique Brush -> Stroke -> Maybe StrokeRenderData
|
||||
strokeRenderData fitParams brushes ( Stroke { strokeSpline = spline :: StrokeSpline clo ( Super.Rec pointFields ), .. } ) =
|
||||
if strokeVisible
|
||||
then case strokeBrushRef of
|
||||
BrushReference ( _ :: Proxy# brushFields ) brushUnique
|
||||
-- TODO: could emit a warning if the following lookup fails.
|
||||
| Just ( BrushData { brushFunction = AdaptableFunction brushFn :: BrushFunction brushFields' } ) <- Map.lookup brushUnique brushes
|
||||
-- TODO: the following check could be skipped if we are feeling confident.
|
||||
, Just Refl <- eqTys @brushFields @brushFields' -- Refl <- ( unsafeCoerce Refl :: brushFields :~: brushFields' )
|
||||
, ( _ :: Proxy# usedFields ) <- ( proxy# :: Proxy# ( brushFields `SuperRecord.Intersect` pointFields ) )
|
||||
, let
|
||||
-- Get the adaptable brush shape (function),
|
||||
-- specialising it to the type we are using.
|
||||
toUsedParams :: Super.Rec pointFields -> Super.Rec usedFields
|
||||
brushShapeFn :: Super.Rec usedFields -> SplinePts Closed
|
||||
( toUsedParams, brushShapeFn ) = brushFn @pointFields @usedFields
|
||||
-- Compute the outline using the brush function.
|
||||
newSpline :: Spline clo CachedStroke ( PointData ( Super.Rec pointFields ) )
|
||||
outline :: Either ( SplinePts Closed ) ( SplinePts Closed, SplinePts Closed )
|
||||
fitPts :: Seq FitPoint
|
||||
( newSpline, outline, fitPts ) =
|
||||
computeStrokeOutline @( Super.Rec ( MapDiff usedFields ) ) @clo @( Super.Rec usedFields )
|
||||
fitParams ( toUsedParams . brushParams ) brushShapeFn spline
|
||||
-> Just $
|
||||
StrokeWithOutlineRenderData
|
||||
{ strokeDataSpline = newSpline
|
||||
, strokeOutlineData = ( outline, fitPts )
|
||||
, strokeBrushFunction = brushShapeFn . toUsedParams
|
||||
}
|
||||
_ -> Just $
|
||||
StrokeRenderData
|
||||
{ strokeDataSpline = spline }
|
||||
else Nothing
|
||||
|
||||
renderStroke
|
||||
:: Colours -> Maybe HoverContext -> Mode -> Bool -> Double
|
||||
-> ( Stroke, Maybe ( Either ( SplinePts Closed ) ( SplinePts Closed, SplinePts Closed ), Seq FitPoint ) )
|
||||
-> StrokeRenderData
|
||||
-> Compose Renders Cairo.Render ()
|
||||
renderStroke cols@( Colours { brush } ) mbHoverContext mode debug zoom
|
||||
( Stroke
|
||||
{ strokeSpline = strokeSpline :: StrokeSpline clo ( Super.Rec pointFields )
|
||||
, strokeVisible
|
||||
, strokeBrush = BrushData { brushFunction = ( AdaptableFunction brushFn ) :: BrushFunction brushFields }
|
||||
}
|
||||
, mbOutlineData )
|
||||
| strokeVisible
|
||||
, ( _ :: Proxy# usedFields ) <- proxy# :: Proxy# ( brushFields `SuperRecord.Intersect` pointFields )
|
||||
, let
|
||||
-- Get the adaptable brush shape (function),
|
||||
-- specialising it to the type we are using.
|
||||
toUsedParams :: Super.Rec pointFields -> Super.Rec usedFields
|
||||
brushShapeFn :: Super.Rec usedFields -> SplinePts Closed
|
||||
( toUsedParams, brushShapeFn ) = brushFn @pointFields @usedFields
|
||||
= renderStrokeSpline cols mode mbHoverContext zoom
|
||||
( when ( mode == BrushMode ) . renderBrushShape ( cols { path = brush } ) mbHoverContext ( 1.5 * zoom ) ( brushShapeFn . toUsedParams ) )
|
||||
strokeSpline
|
||||
*> for_ mbOutlineData \outlineData ->
|
||||
Compose blank { renderStrokes = drawOutline cols debug zoom outlineData }
|
||||
| otherwise
|
||||
= pure ()
|
||||
renderStroke cols@( Colours { brush } ) mbHoverContext mode debug zoom = \case
|
||||
StrokeRenderData { strokeDataSpline } ->
|
||||
renderStrokeSpline cols mode mbHoverContext zoom ( const ( pure () ) ) strokeDataSpline
|
||||
StrokeWithOutlineRenderData strokeDataSpline strokeOutlineData strokeBrushFunction ->
|
||||
renderStrokeSpline cols mode mbHoverContext zoom
|
||||
( when ( mode == BrushMode )
|
||||
. renderBrushShape ( cols { path = brush } ) mbHoverContext ( 1.5 * zoom ) strokeBrushFunction
|
||||
)
|
||||
strokeDataSpline
|
||||
*> Compose blank { renderStrokes = drawOutline cols debug zoom strokeOutlineData }
|
||||
|
||||
-- | Render a sequence of stroke points.
|
||||
--
|
||||
|
|
Loading…
Reference in a new issue