mirror of
https://gitlab.com/sheaf/metabrush.git
synced 2024-11-23 15:34:06 +00:00
improvements to brush params when changing brush
This commit is contained in:
sheaf
parent
c1d6dd4151
commit
1a8f4b5f5d
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@ -56,7 +56,7 @@ main = withCP65001 do
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when (isNothing mbGdkScale) $
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setEnv "GDK_SCALE" "2"
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setEnv "GSK_RENDERER" "cairo"
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setEnv "GSK_RENDERER" "vulkan"
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---------------------------------------------------------
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-- Run GTK application
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@ -213,8 +213,8 @@ tearDropBrushFn :: forall {t} (i :: t) k nbParams
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tearDropBrushFn _ mkI1 mkI2 =
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D \ params ->
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let w, h :: D k nbParams ( I i Double )
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w = runD ( var @_ @k ( Fin 1 ) ) params
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h = runD ( var @_ @k ( Fin 2 ) ) params
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w = 2 * runD ( var @_ @k ( Fin 1 ) ) params
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h = 2 * runD ( var @_ @k ( Fin 2 ) ) params
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mkPt :: Double -> Double -> D k nbParams ( I i 2 )
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mkPt x y
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-- 1. translate the teardrop so that the centre of mass is at the origin
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@ -25,6 +25,8 @@ module Math.Bezier.Stroke
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where
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-- base
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import Prelude
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hiding ( unzip )
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import Control.Arrow
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( first, (***) )
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import Control.Monad
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@ -40,7 +42,7 @@ import Data.Fixed
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import Data.Foldable
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( for_ )
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import Data.Functor
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( (<&>) )
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( (<&>), unzip )
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import Data.Functor.Identity
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( Identity(..) )
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import Data.List
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@ -48,7 +50,7 @@ import Data.List
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import Data.List.NonEmpty
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( NonEmpty )
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import qualified Data.List.NonEmpty as NE
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( cons, singleton, unzip )
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( cons, singleton )
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import Data.Maybe
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( fromMaybe, isJust, listToMaybe, mapMaybe )
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import Data.Proxy
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@ -721,7 +723,7 @@ joinBetweenOffsets
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= let
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pcs, lastAndRest :: Maybe ( SplinePts Open )
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( pcs, lastAndRest )
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= NE.unzip
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= unzip
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$ ( discardCurveData *** discardCurveData )
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. splitSplineAt ( i2 - i1 )
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<$> dropCurves i1 openSpline
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@ -9,7 +9,7 @@ module Math.Root.Isolation.Utils
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import Prelude hiding ( unzip )
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import Data.Foldable
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( toList )
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import Data.List.NonEmpty
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import Data.Functor
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( unzip )
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-- MetaBrush
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@ -214,6 +214,7 @@ runApplication application = do
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modifiersTVar <- STM.newTVarIO Set.empty
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toolTVar <- STM.newTVarIO Selection
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modeTVar <- STM.newTVarIO PathMode
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selectedBrushTVar <- STM.newTVarIO Nothing
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debugTVar <- STM.newTVarIO False
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partialPathTVar <- STM.newTVarIO Nothing
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fileBarTabsTVar <- STM.newTVarIO Map.empty
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@ -479,7 +480,7 @@ runApplication application = do
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---------------------------------------------------------
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-- Brushes view
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brushesListView <- newBrushView window DragBrush
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brushesListView <- newBrushView window variables DragBrush
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GTK.scrolledWindowSetChild
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( brushesScrolledWindow panelsBar )
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( Just brushesListView )
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@ -939,13 +939,14 @@ instance HandleAction MouseClick where
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Pen -> do
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-- Pen tool in path mode: start or continue a drawing operation.
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mbPartialPath <- STM.readTVar partialPathTVar
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mbSelBrush <- STM.readTVar selectedBrushTVar
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STM.writeTVar mouseHoldTVar ( Just $ DrawHold pos )
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case mbPartialPath of
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-- No path started yet: find anchor for drawing (existing stroke endpoint, or new stroke).
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Nothing -> do
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( newDocument, drawAnchor ) <-
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getOrCreateDrawAnchor uniqueSupply pos doc
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let firstPos = anchorPos drawAnchor doc
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getOrCreateDrawAnchor uniqueSupply mbSelBrush pos doc
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let firstPos = anchorPos drawAnchor newDocument
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STM.writeTVar partialPathTVar
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( Just $ PartialPath
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{ partialPathAnchor = drawAnchor
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@ -1159,6 +1160,7 @@ instance HandleAction MouseRelease where
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Pen -> case mode of
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PathMode -> do
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mbPartialPath <- STM.readTVar partialPathTVar
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mbSelBrush <- STM.readTVar selectedBrushTVar
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case mbPartialPath of
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-- Normal pen mode mouse click should have created an anchor.
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-- If no anchor exists, then just ignore the mouse release event.
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@ -1186,7 +1188,7 @@ instance HandleAction MouseRelease where
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= ( holdPos, Just $ ( pos --> holdPos :: T ( ℝ 2 ) ) • holdPos, Just pos )
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| otherwise
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= ( pos, Nothing, Nothing )
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( _, otherAnchor ) <- getOrCreateDrawAnchor uniqueSupply pathPoint doc
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( _, otherAnchor ) <- getOrCreateDrawAnchor uniqueSupply mbSelBrush pathPoint doc
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if isNothing firstPoint && anchorsAreComplementary anchor otherAnchor
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-- Close path.
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then do
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@ -58,6 +58,8 @@ import MetaBrush.Action
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( BrushWidgetActionState )
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import MetaBrush.Asset.Colours
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( Colours )
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import MetaBrush.Brush
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( SomeBrush )
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import MetaBrush.Document.Diff
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( DragMoveSelect )
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import MetaBrush.Draw
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@ -74,6 +76,7 @@ import MetaBrush.Unique
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( UniqueSupply, Unique )
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--------------------------------------------------------------------------------
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data UIElements
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@ -113,6 +116,8 @@ data Variables
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-- is kept in-sync between the application and the UI's 'GTK.TreeListModel'.
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, listModelUpToDateTMVar :: !( STM.TMVar () )
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, selectedBrushTVar :: !( STM.TVar ( Maybe SomeBrush ) )
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, mousePosTVar :: !( STM.TVar ( Maybe ( ℝ 2 ) ) )
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, mouseHoldTVar :: !( STM.TVar ( Maybe HoldAction ) )
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, modifiersTVar :: !( STM.TVar ( Set Modifier ) )
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@ -175,6 +175,7 @@ getDocumentRender
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| Just ( DragMoveHold { holdStartPos = p0, dragAction } ) <- mbHoldEvent
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, Just p1 <- mbMousePos
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, p0 /= p1
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-- Non-trivial drag in progress.
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, let
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alternateMode :: Bool
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alternateMode = any ( \case { Alt _ -> True; _ -> False } ) modifiers
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@ -197,6 +198,7 @@ getDocumentRender
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| otherwise
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= ( mbMousePos, Nothing )
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, Just finalPoint <- mbFinalPoint
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-- Path drawing operation in progress.
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, let
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previewSpline :: Spline Open () ( PointData () )
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previewSpline = catMaybesSpline ( inPointClickRange zoom `on` coords ) ()
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@ -33,27 +33,46 @@ import qualified GI.Gtk as GTK
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import qualified Data.GI.Base as GI
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import qualified Data.GI.Base.GValue as GI
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-- stm
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import qualified Control.Concurrent.STM as STM
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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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( toLower )
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( null, toLower )
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-- unordered-containers
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import qualified Data.HashMap.Strict as HashMap
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-- MetaBrush
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import MetaBrush.Application.Context
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( Variables(selectedBrushTVar) )
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import MetaBrush.Brush
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( SomeBrush )
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import qualified MetaBrush.Asset.Brushes as Brushes
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( brushes )
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--------------------------------------------------------------------------------
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-- Brush lookup --
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------------------
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brushFromName :: Text -> Maybe SomeBrush
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brushFromName str
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| Text.null str || Text.toLower str == "no brush"
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= Nothing
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| otherwise
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= HashMap.lookup str Brushes.brushes
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--------------------------------------------------------------------------------
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-- GTK StringList --
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--------------------
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-- | Create a new 'GTK.StringList' with 'GTK.SingleSelection' to hold
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-- the given brush names.
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newBrushListModel :: [ Text ] -> IO GTK.SingleSelection
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newBrushListModel brushNames = do
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newBrushListModel :: Variables -> [ Text ] -> IO GTK.SingleSelection
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newBrushListModel vars brushNames = do
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stringList <- GTK.stringListNew ( Just brushNames )
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@ -61,6 +80,17 @@ newBrushListModel brushNames = do
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GI.withNewObject slPtr $ \ slCopy ->
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GTK.singleSelectionNew ( Just slCopy )
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void $ GI.after selectionModel ( GI.PropertyNotify #selected ) $ \ _ -> do
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selObj <- GTK.singleSelectionGetSelectedItem selectionModel
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selBrush <-
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case selObj of
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Nothing -> return Nothing
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Just obj -> do
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strObj <- GTK.unsafeCastTo GTK.StringObject obj
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str <- GTK.stringObjectGetString strObj
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return $ brushFromName str
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STM.atomically $ STM.writeTVar ( selectedBrushTVar vars ) selBrush
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return selectionModel
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------------------
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@ -70,12 +100,13 @@ newBrushListModel brushNames = do
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-- | Create a new 'GTK.ListView' that displays brush names.
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newBrushView :: Typeable dnd_data
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=> GTK.ApplicationWindow
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-> Variables
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-> ( Maybe Text -> dnd_data )
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-- ^ drag and drop data for the brush
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-> IO GTK.ListView
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newBrushView rootWindow mkDND_data = mdo
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newBrushView rootWindow vars mkDND_data = mdo
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brushListModel <- newBrushListModel ( "No brush" : HashMap.keys Brushes.brushes )
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brushListModel <- newBrushListModel vars ( "No brush" : HashMap.keys Brushes.brushes )
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brushesListFactory <- GTK.signalListItemFactoryNew
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@ -52,7 +52,7 @@ import qualified Data.Set as Set
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-- generic-lens
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import Data.Generics.Product.Fields
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( field' )
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( field, field' )
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-- groups
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import Data.Group
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@ -924,7 +924,9 @@ applyBrushWidgetAction pressingCtrl c mbPrevAction doc@( Document { documentCont
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zoom = documentZoom $ documentMetadata
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updateStroke :: Unique -> Stroke -> StrokeMetadata -> State ( Maybe BrushWidgetActionState, Bool ) UpdateStroke
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updateStroke u stroke@( Stroke { strokeBrush, strokeSpline = oldSpline :: StrokeSpline _clo ( Record pointFields ) } ) ( StrokeMetadata { strokeVisible, strokeLocked } )
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updateStroke u
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( Stroke { strokeBrush, strokeSpline = oldSpline :: StrokeSpline clo ( Record pointFields ) } )
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( StrokeMetadata { strokeVisible, strokeLocked } )
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| strokeVisible
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, not strokeLocked
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-- If we have already started a widget action, only continue an action
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@ -932,35 +934,42 @@ applyBrushWidgetAction pressingCtrl c mbPrevAction doc@( Document { documentCont
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, case mbPrevAction of { Just act -> brushWidgetStrokeUnique act == u; Nothing -> True }
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-- Don't touch strokes without brushes.
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, Just ( brush@( NamedBrush {} ) :: NamedBrush brushFields ) <- strokeBrush
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= case intersect @pointFields @brushFields of
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Intersection { inject1 = injectUsedParams, inject2 = updateBrushParams, project1 = ptParamsToUsedParams, project2 = brushParamsToUsedParams } -> do
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let embedUsedParams = updateBrushParams ( MkR $ defaultParams $ brushFunction brush )
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, Intersection { inject2 = updateBrushParams, project1 = ptParamsToUsedParams }
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<- intersect @pointFields @brushFields
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, Union @pointFields' unionWith
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<- union @pointFields @brushFields
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= do let defaultBrushParams = MkR $ defaultParams $ brushFunction brush
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embedUsedParams = updateBrushParams defaultBrushParams
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toBrushParams = embedUsedParams . ptParamsToUsedParams
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updatePointParams brushParams' ptParams = injectUsedParams ptParams ( brushParamsToUsedParams brushParams' )
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noUpdatePointParams :: Record pointFields -> Record pointFields'
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noUpdatePointParams p = unionWith ( \ pt _ -> pt ) p defaultBrushParams
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updatePointParams :: Record brushFields -> Record pointFields -> Record pointFields'
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updatePointParams b p = unionWith ( \ _ brushParam' -> brushParam' ) p b
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spline' <-
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bitraverseSpline
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( updateSplineCurve ( splineStart oldSpline ) brush toBrushParams updatePointParams u )
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( updateSplineCurve ( splineStart oldSpline ) brush toBrushParams noUpdatePointParams updatePointParams u )
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( updateSplinePoint brush toBrushParams updatePointParams u FirstPoint )
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oldSpline
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( mbAct, _ ) <- State.get
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case mbAct of
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Nothing -> return PreserveStroke
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Just {} -> return $ UpdateStrokeTo $ stroke { strokeSpline = spline' }
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Just {} -> return $ UpdateStrokeTo $ Stroke { strokeBrush, strokeSpline = spline' }
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| otherwise
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= return PreserveStroke
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updateSplineCurve
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:: forall clo' pointParams brushFields
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:: forall clo' pointParams brushFields pointParams'
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. ( SplineTypeI clo', Traversable ( NextPoint clo' ) )
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=> PointData pointParams
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-> NamedBrush brushFields
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-> ( pointParams -> Record brushFields )
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-> ( Record brushFields -> pointParams -> pointParams )
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-> ( pointParams -> pointParams' )
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-> ( Record brushFields -> pointParams -> pointParams' )
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-> Unique
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-> PointData pointParams -> Curve clo' ( CurveData RealWorld ) ( PointData pointParams )
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-> State ( Maybe BrushWidgetActionState, Bool )
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( Curve clo' ( CurveData RealWorld ) ( PointData pointParams ) )
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updateSplineCurve _start brush toBrushParams updatePointParams uniq _sp0 curve = do
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( Curve clo' ( CurveData RealWorld ) ( PointData pointParams' ) )
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updateSplineCurve _start brush toBrushParams noUpdatePointParams updatePointParams uniq _sp0 curve = do
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( mbAct, prevCurveAct ) <- State.get
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-- We can only perform a brush widget update if:
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-- - we aren't already updating another point,
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@ -979,24 +988,24 @@ applyBrushWidgetAction pressingCtrl c mbPrevAction doc@( Document { documentCont
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if canAct
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then do
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case curve of
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line@( LineTo sp1 dat ) -> do
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LineTo sp1 dat -> do
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sp1' <- traverse ( updateSplinePoint brush toBrushParams updatePointParams uniq ( PointIndex crvIx PathPoint ) ) sp1
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pure ( line { curveEnd = sp1', curveData = invalidateCache dat } )
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bez2@( Bezier2To sp1 sp2 dat ) -> do
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pure ( LineTo { curveEnd = sp1', curveData = invalidateCache dat } )
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Bezier2To sp1 sp2 dat -> do
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sp1' <- updateSplinePoint brush toBrushParams updatePointParams uniq ( PointIndex crvIx ( ControlPoint Bez2Cp ) ) sp1
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sp2' <- traverse ( updateSplinePoint brush toBrushParams updatePointParams uniq ( PointIndex crvIx PathPoint ) ) sp2
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pure ( bez2 { controlPoint = sp1', curveEnd = sp2', curveData = invalidateCache dat } )
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bez3@( Bezier3To sp1 sp2 sp3 dat ) -> do
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pure ( Bezier2To { controlPoint = sp1', curveEnd = sp2', curveData = invalidateCache dat } )
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Bezier3To sp1 sp2 sp3 dat -> do
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sp1' <- updateSplinePoint brush toBrushParams updatePointParams uniq ( PointIndex crvIx ( ControlPoint Bez3Cp1 ) ) sp1
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sp2' <- updateSplinePoint brush toBrushParams updatePointParams uniq ( PointIndex crvIx ( ControlPoint Bez3Cp2 ) ) sp2
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sp3' <- traverse ( updateSplinePoint brush toBrushParams updatePointParams uniq ( PointIndex crvIx PathPoint ) ) sp3
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pure ( bez3 { controlPoint1 = sp1', controlPoint2 = sp2', curveEnd = sp3', curveData = invalidateCache dat } )
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pure ( Bezier3To { controlPoint1 = sp1', controlPoint2 = sp2', curveEnd = sp3', curveData = invalidateCache dat } )
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else do
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State.put ( mbAct, False )
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let curve' = if prevCurveAct
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then curve { curveData = invalidateCache $ curveData curve }
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else curve
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return curve'
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return $ bimapCurve id ( \ _ -> fmap noUpdatePointParams ) curve'
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where
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crvIx = curveIndex ( curveData curve )
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@ -1011,14 +1020,14 @@ applyBrushWidgetAction pressingCtrl c mbPrevAction doc@( Document { documentCont
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inPointClickRange zoom c q
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updateSplinePoint
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:: forall pointParams brushFields
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:: forall pointParams brushFields pointParams'
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. NamedBrush brushFields
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-> ( pointParams -> Record brushFields )
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-> ( Record brushFields -> pointParams -> pointParams )
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-> ( Record brushFields -> pointParams -> pointParams' )
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-> Unique -> PointIndex
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-> PointData pointParams
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-> State ( Maybe BrushWidgetActionState, Bool )
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( PointData pointParams )
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( PointData pointParams' )
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updateSplinePoint brush toBrushParams updatePointParams uniq j pt = do
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let
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currentBrushParams :: Record brushFields
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@ -1069,4 +1078,4 @@ applyBrushWidgetAction pressingCtrl c mbPrevAction doc@( Document { documentCont
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case newBrushWidgetAction of
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Just a -> State.put ( Just a, True )
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_ -> State.modify' ( \ ( a, _ ) -> ( a, False ) )
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pure ( set ( field' @"brushParams" ) ( updatePointParams newBrushParams ( brushParams pt ) ) pt )
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pure ( set ( field @"brushParams" ) ( updatePointParams newBrushParams ( brushParams pt ) ) pt )
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@ -23,6 +23,8 @@ import GHC.Exts
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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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( toLower )
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-- unordered-containers
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import Data.HashMap.Strict
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@ -45,7 +47,7 @@ import qualified MetaBrush.Brush.Widget as Brush
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--------------------------------------------------------------------------------
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lookupBrush :: Text -> Maybe SomeBrush
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lookupBrush nm = HashMap.lookup nm brushes
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lookupBrush nm = HashMap.lookup ( Text.toLower nm ) brushes
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-- | All brushes supported by this application.
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brushes :: HashMap Text SomeBrush
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@ -57,7 +59,7 @@ brushes = HashMap.fromList
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--------------------------------------------------------------------------------
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type CircleBrushFields = '[ "r" ]
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type CircleBrushFields = '[ "a" ]
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-- | A circular brush with the given radius.
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circle :: NamedBrush CircleBrushFields
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circle =
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@ -67,7 +69,7 @@ circle =
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, brushWidget = Brush.SquareWidget
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}
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where
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deflts = ℝ1 1
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deflts = ℝ1 10
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{-# INLINE circle #-}
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type EllipseBrushFields = '[ "a", "b", "phi" ]
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@ -81,11 +83,11 @@ ellipse =
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, brushWidget = Brush.RotatableRectangleWidget
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}
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where
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deflts = ℝ3 1 1 0
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deflts = ℝ3 10 7 0
|
||||
{-# INLINE ellipse #-}
|
||||
|
||||
type TearDropBrushFields = '[ "w", "h", "phi" ]
|
||||
-- | A tear-drop shape with the given width, height and angle of rotation.
|
||||
type TearDropBrushFields = '[ "a", "b", "phi" ]
|
||||
-- | A tear-drop shape with the given half-width, half-height and angle of rotation.
|
||||
tearDrop :: NamedBrush TearDropBrushFields
|
||||
tearDrop =
|
||||
NamedBrush
|
||||
|
|
@ -94,5 +96,5 @@ tearDrop =
|
|||
, brushWidget = Brush.RotatableRectangleWidget
|
||||
}
|
||||
where
|
||||
deflts = ℝ3 1 2.25 0
|
||||
deflts = ℝ3 10 7 0
|
||||
{-# INLINE tearDrop #-}
|
||||
|
|
|
|||
|
|
@ -84,6 +84,7 @@ data NamedBrush brushFields where
|
|||
, DiffInterp 2 ℝ ( Length brushFields )
|
||||
, DiffInterp 3 𝕀 ( Length brushFields )
|
||||
, Show ( ℝ ( Length brushFields ) )
|
||||
, NFData ( ℝ ( Length brushFields ) )
|
||||
)
|
||||
=> { brushName :: !Text
|
||||
, brushFunction :: !( BrushFunction brushFields )
|
||||
|
|
|
|||
|
|
@ -17,6 +17,8 @@ import Data.Foldable
|
|||
( for_ )
|
||||
import GHC.Generics
|
||||
( Generic )
|
||||
import GHC.Stack
|
||||
( HasCallStack )
|
||||
import GHC.TypeLits
|
||||
( Symbol )
|
||||
|
||||
|
|
@ -58,7 +60,7 @@ import Math.Linear
|
|||
|
||||
-- MetaBrush
|
||||
import MetaBrush.Brush
|
||||
( NamedBrush(..) )
|
||||
( SomeBrush(..), NamedBrush (..), WithParams (defaultParams) )
|
||||
import MetaBrush.Document
|
||||
import MetaBrush.Hover
|
||||
( inPointClickRange )
|
||||
|
|
@ -91,10 +93,11 @@ anchorsAreComplementary
|
|||
-- drawing a stroke or to start a new one.
|
||||
getOrCreateDrawAnchor
|
||||
:: UniqueSupply
|
||||
-> Maybe SomeBrush
|
||||
-> ℝ 2
|
||||
-> Document
|
||||
-> STM ( Document, DrawAnchor )
|
||||
getOrCreateDrawAnchor uniqueSupply c doc@( Document { documentContent = oldContent, documentMetadata } ) =
|
||||
getOrCreateDrawAnchor uniqueSupply mbBrush c doc@( Document { documentContent = oldContent, documentMetadata } ) =
|
||||
|
||||
-- Deselect all points, and try to find a valid anchor for drawing
|
||||
-- (a path start/end point at mouse click point).
|
||||
|
|
@ -116,17 +119,35 @@ getOrCreateDrawAnchor uniqueSupply c doc@( Document { documentContent = oldConte
|
|||
Right {} -> do
|
||||
newStrokeUnique <- runReaderT freshUnique uniqueSupply
|
||||
let
|
||||
newSpline :: StrokeSpline Open ( Record ( '[] :: [ Symbol ] ) )
|
||||
newSpline =
|
||||
Spline { splineStart = PointData c ( MkR ℝ0 )
|
||||
, splineCurves = OpenCurves Empty
|
||||
}
|
||||
newStroke :: Stroke
|
||||
newStroke =
|
||||
Stroke
|
||||
{ strokeSpline = newSpline
|
||||
, strokeBrush = Nothing :: Maybe ( NamedBrush ( '[] :: [ Symbol ] ) )
|
||||
}
|
||||
case mbBrush of
|
||||
Nothing ->
|
||||
let
|
||||
newSpline :: StrokeSpline Open ( Record @Symbol '[] )
|
||||
newSpline =
|
||||
Spline
|
||||
{ splineStart = PointData c ( MkR ℝ0 )
|
||||
, splineCurves = OpenCurves Empty
|
||||
}
|
||||
in
|
||||
Stroke
|
||||
{ strokeSpline = newSpline
|
||||
, strokeBrush = Nothing
|
||||
}
|
||||
Just ( SomeBrush ( b@( NamedBrush { brushFunction = fn } ) :: NamedBrush brushFields ) ) ->
|
||||
let
|
||||
newSpline :: StrokeSpline Open ( Record brushFields )
|
||||
newSpline =
|
||||
Spline
|
||||
{ splineStart = PointData c ( MkR $ defaultParams fn )
|
||||
, splineCurves = OpenCurves Empty
|
||||
}
|
||||
in
|
||||
Stroke
|
||||
{ strokeSpline = newSpline
|
||||
, strokeBrush = Just b
|
||||
}
|
||||
newSel = StrokePoints $ Map.singleton newStrokeUnique ( Set.singleton FirstPoint )
|
||||
newMeta :: DocumentMetadata
|
||||
newMeta =
|
||||
|
|
@ -199,7 +220,7 @@ getOrCreateDrawAnchor uniqueSupply c doc@( Document { documentContent = oldConte
|
|||
-> Just anchor
|
||||
_ -> Nothing
|
||||
|
||||
anchorPos :: DrawAnchor -> Document -> ℝ 2
|
||||
anchorPos :: HasCallStack => DrawAnchor -> Document -> ℝ 2
|
||||
anchorPos ( DrawAnchor { anchorStroke, anchorIsAtEnd } )
|
||||
( Document { documentContent = Content { strokeHierarchy = Hierarchy { content = strokes } } } ) =
|
||||
case Map.lookup anchorStroke strokes of
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
{-# LANGUAGE AllowAmbiguousTypes #-}
|
||||
{-# LANGUAGE ParallelListComp #-}
|
||||
{-# LANGUAGE PolyKinds #-}
|
||||
{-# LANGUAGE ScopedTypeVariables #-}
|
||||
{-# LANGUAGE UndecidableInstances #-}
|
||||
|
|
@ -11,7 +12,9 @@ import Data.Functor
|
|||
import Data.Kind
|
||||
( Type, Constraint )
|
||||
import Data.List
|
||||
( findIndex, intersperse )
|
||||
( findIndex, intersperse, sortBy )
|
||||
import Data.Ord
|
||||
( comparing )
|
||||
import Data.Typeable
|
||||
( Typeable, eqT )
|
||||
import Data.Type.Equality
|
||||
|
|
@ -33,6 +36,9 @@ import Unsafe.Coerce
|
|||
import Data.Act
|
||||
( Act(..), Torsor(..) )
|
||||
|
||||
-- containers
|
||||
import qualified Data.Map.Strict as Map
|
||||
|
||||
-- deepseq
|
||||
import Control.DeepSeq
|
||||
( NFData(..) )
|
||||
|
|
@ -291,3 +297,144 @@ type family Elem k ks where
|
|||
Elem _ '[] = False
|
||||
Elem k ( k ': _ ) = True
|
||||
Elem k ( _ ': ks ) = Elem k ks
|
||||
|
||||
--------------------------------------------------------------------------------
|
||||
-- Union of two records.
|
||||
|
||||
data Union r1 r2 where
|
||||
Union
|
||||
:: forall r1r2_rocky r1 r2 l12_rocky
|
||||
. ( l12_rocky ~ Length r1r2_rocky
|
||||
, KnownSymbols r1r2_rocky
|
||||
, Representable Double ( ℝ l12_rocky )
|
||||
, Show ( ℝ l12_rocky )
|
||||
, NFData ( ℝ l12_rocky )
|
||||
, DiffInterp 2 ℝ l12_rocky
|
||||
, DiffInterp 3 𝕀 l12_rocky
|
||||
)
|
||||
=> { unionWith :: ( Double -> Double -> Double )
|
||||
-> Record r1 -> Record r2 -> Record r1r2_rocky
|
||||
-- ^ union of two records
|
||||
} -> Union r1 r2
|
||||
|
||||
{-# INLINE union #-}
|
||||
union :: forall r1 r2 l1 l2
|
||||
. ( KnownSymbols r1, KnownSymbols r2
|
||||
, l1 ~ Length r1, l2 ~ Length r2
|
||||
, Representable Double ( ℝ l1 )
|
||||
, Representable Double ( ℝ l2 )
|
||||
, Show ( ℝ l1 )
|
||||
, Show ( ℝ l2 )
|
||||
, NFData ( ℝ l2 )
|
||||
, DiffInterp 2 ℝ l2
|
||||
, DiffInterp 3 𝕀 l2
|
||||
)
|
||||
=> Union r1 r2
|
||||
union
|
||||
-- Shortcut when the two rows are equal.
|
||||
| Just Refl <- eqT @r1 @r2
|
||||
= Union { unionWith = \ f ( MkR l ) ( MkR r ) -> MkR @Symbol @r1 ( tabulate $ \ i -> f ( index l i ) ( index r i ) ) }
|
||||
| otherwise
|
||||
= doUnion @r1 @r2 \ ( _ :: Proxy# r1r2 ) idxs ->
|
||||
let
|
||||
unionWith :: ( Double -> Double -> Double )
|
||||
-> Record r1 -> Record r2 -> Record r1r2
|
||||
unionWith f = \ ( MkR r1 ) ( MkR r2 ) -> MkR $ tabulate $ \ i ->
|
||||
case idxs ! i of
|
||||
InBoth i1 i2 -> f ( index r1 i1 ) ( index r2 i2 )
|
||||
InL i1 -> index r1 i1
|
||||
InR i2 -> index r2 i2
|
||||
in Union { unionWith }
|
||||
|
||||
|
||||
data LR l r
|
||||
= InL !l
|
||||
| InR !r
|
||||
| InBoth !l !r
|
||||
deriving stock ( Eq, Show )
|
||||
|
||||
bimapLR :: ( l1 -> l2 ) -> ( r1 -> r2 ) -> LR l1 r1 -> LR l2 r2
|
||||
bimapLR f g = \case
|
||||
InL l -> InL ( f l )
|
||||
InR r -> InR ( g r )
|
||||
InBoth l r -> InBoth ( f l ) ( g r )
|
||||
|
||||
instance ( Ord l, Ord r ) => Ord ( LR l r ) where
|
||||
compare a b = compare ( getL a, getR a ) ( getL b, getR b )
|
||||
where
|
||||
getL :: LR l r -> Maybe l
|
||||
getL ( InL l ) = Just l
|
||||
getL ( InBoth l _ ) = Just l
|
||||
getL ( InR {} ) = Nothing
|
||||
getR :: LR l r -> Maybe r
|
||||
getR ( InL {} ) = Nothing
|
||||
getR ( InBoth _ r ) = Just r
|
||||
getR ( InR r ) = Just r
|
||||
|
||||
{-# INLINE doUnion #-}
|
||||
doUnion
|
||||
:: forall r1 r2 l1 l2 kont
|
||||
. ( KnownSymbols r1, KnownSymbols r2
|
||||
, l1 ~ Length r1, l2 ~ Length r2
|
||||
)
|
||||
=> ( forall r1r2 l12.
|
||||
( KnownSymbols r1r2, l12 ~ Length r1r2
|
||||
, DiffInterp 2 ℝ l12
|
||||
, DiffInterp 3 𝕀 l12
|
||||
, Representable Double ( ℝ l12 )
|
||||
, Show ( ℝ l12 )
|
||||
, NFData ( ℝ l12 )
|
||||
)
|
||||
=> Proxy# r1r2 -> Vec l12 ( LR ( Fin l1 ) ( Fin l2 ) ) -> kont )
|
||||
-> kont
|
||||
doUnion k =
|
||||
case knownSymbols @r1 `unionLists` knownSymbols @r2 of
|
||||
|
||||
[ ]
|
||||
| ( _ :: Proxy# r1r2 ) <- proxy# @'[ ]
|
||||
, Refl <- ( unsafeCoerce Refl :: r1r2 :~: Intersect r1 r2 )
|
||||
-> k @r1r2 proxy#
|
||||
( Vec [] )
|
||||
|
||||
[ ( f1, i1 ) ]
|
||||
| SomeSymbol @f1 _ <- someSymbolVal ( Text.unpack f1 )
|
||||
, ( _ :: Proxy# r1r2 ) <- proxy# @'[ f1 ]
|
||||
-> k @r1r2 proxy#
|
||||
( Vec $ map ( bimapLR Fin Fin ) [ i1 ] )
|
||||
|
||||
[ ( f1, i1 ), ( f2, i2 ) ]
|
||||
| SomeSymbol @f1 _ <- someSymbolVal ( Text.unpack f1 )
|
||||
, SomeSymbol @f2 _ <- someSymbolVal ( Text.unpack f2 )
|
||||
, ( _ :: Proxy# r1r2 ) <- proxy# @'[ f1, f2 ]
|
||||
-> k @r1r2 proxy#
|
||||
( Vec $ map ( bimapLR Fin Fin ) [ i1, i2 ] )
|
||||
|
||||
[ ( f1, i1 ), ( f2, i2 ), ( f3, i3 ) ]
|
||||
| SomeSymbol @f1 _ <- someSymbolVal ( Text.unpack f1 )
|
||||
, SomeSymbol @f2 _ <- someSymbolVal ( Text.unpack f2 )
|
||||
, SomeSymbol @f3 _ <- someSymbolVal ( Text.unpack f3 )
|
||||
, ( _ :: Proxy# r1r2 ) <- proxy# @'[ f1, f2, f3 ]
|
||||
-> k @r1r2 proxy#
|
||||
( Vec $ map ( bimapLR Fin Fin ) [ i1, i2, i3 ] )
|
||||
|
||||
[ ( f1, i1 ), ( f2, i2 ), ( f3, i3 ), ( f4, i4 ) ]
|
||||
| SomeSymbol @f1 _ <- someSymbolVal ( Text.unpack f1 )
|
||||
, SomeSymbol @f2 _ <- someSymbolVal ( Text.unpack f2 )
|
||||
, SomeSymbol @f3 _ <- someSymbolVal ( Text.unpack f3 )
|
||||
, SomeSymbol @f4 _ <- someSymbolVal ( Text.unpack f4 )
|
||||
, ( _ :: Proxy# r1r2 ) <- proxy# @'[ f1, f2, f3, f4 ]
|
||||
-> k @r1r2 proxy#
|
||||
( Vec $ map ( bimapLR Fin Fin ) [ i1, i2, i3, i4 ] )
|
||||
|
||||
other -> error $ "Union not defined in dimension " ++ show ( length other )
|
||||
|
||||
unionLists :: forall k. Ord k => [ k ] -> [ k ] -> [ ( k, LR Word Word ) ]
|
||||
unionLists l r = sortBy ( comparing snd )
|
||||
$ Map.toList
|
||||
$ Map.unionWith f
|
||||
( Map.fromList [ ( k, InL i ) | k <- l | i <- [ 0 .. ] ] )
|
||||
( Map.fromList [ ( k, InR i ) | k <- r | i <- [ 0 .. ] ] )
|
||||
where
|
||||
f :: LR Word Word -> LR Word Word -> LR Word Word
|
||||
f ( InL i ) ( InR j ) = InBoth i j
|
||||
f _ _ = error "unionList: internal error"
|
||||
|
|
|
|||
|
|
@ -14,8 +14,6 @@ import Data.Foldable
|
|||
( foldr' )
|
||||
import Data.Functor.Identity
|
||||
( Identity(..) )
|
||||
import Data.Typeable
|
||||
( Typeable )
|
||||
import GHC.Generics
|
||||
( Generic, Generic1 )
|
||||
import GHC.Stack
|
||||
|
|
@ -97,7 +95,7 @@ data PointData params
|
|||
{ pointCoords :: !( ℝ 2 )
|
||||
, brushParams :: !params
|
||||
}
|
||||
deriving stock ( Show, Generic )
|
||||
deriving stock ( Show, Generic, Functor, Foldable, Traversable )
|
||||
deriving anyclass NFData
|
||||
|
||||
-- | Data attached to each curve in a spline.
|
||||
|
|
@ -141,14 +139,11 @@ type StrokeSpline clo brushParams =
|
|||
|
||||
data Stroke where
|
||||
Stroke
|
||||
:: forall clo pointParams ( pointFields :: [ Symbol ] ) ( brushFields :: [ Symbol ] )
|
||||
. ( KnownSplineType clo
|
||||
, pointParams ~ Record pointFields
|
||||
, PointFields pointFields, Typeable pointFields
|
||||
)
|
||||
:: forall clo ( pointFields :: [ Symbol ] ) ( brushFields :: [ Symbol ] )
|
||||
. ( KnownSplineType clo , PointFields pointFields )
|
||||
=>
|
||||
{ strokeBrush :: !( Maybe ( NamedBrush brushFields ) )
|
||||
, strokeSpline :: !( StrokeSpline clo pointParams )
|
||||
, strokeSpline :: !( StrokeSpline clo ( Record pointFields ) )
|
||||
}
|
||||
-> Stroke
|
||||
deriving stock instance Show Stroke
|
||||
|
|
|
|||
Loading…
Reference in a new issue