Antialiasing flag

example/penguin_dance/lib/main.dart

@@ -59,7 +59,7 @@ class _MyHomePageState extends State<MyHomePage> with FlareController {
           Positioned.fill(
               child: FlareActor("assets/Penguin.flr",
                   alignment: Alignment.center,
-				  isPaused: _isPaused,
+                  isPaused: _isPaused,
                   fit: BoxFit.cover,
                   animation: "walk",
                   controller: this)),

example/teddy/lib/teddy_controller.dart

@@ -84,6 +84,7 @@ class TeddyController extends FlareControls {
     play("idle");
   }
 
+  @override
   onCompleted(String name) {
     play("idle");
   }

example/teddy/lib/tracking_text_input.dart

@@ -10,7 +10,12 @@ typedef void TextChanged(String text);
 // Helper widget to track caret position.
 class TrackingTextInput extends StatefulWidget {
   TrackingTextInput(
-      {Key key, this.onCaretMoved, this.onTextChanged, this.hint, this.label, this.isObscured = false})
+      {Key key,
+      this.onCaretMoved,
+      this.onTextChanged,
+      this.hint,
+      this.label,
+      this.isObscured = false})
       : super(key: key);
   final CaretMoved onCaretMoved;
   final TextChanged onTextChanged;
@@ -61,7 +66,7 @@ class _TrackingTextInputState extends State<TrackingTextInput> {
           ),
           key: _fieldKey,
           controller: _textController,
-		  obscureText: widget.isObscured,
+          obscureText: widget.isObscured,
           validator: (value) {}),
     );
   }

flare_flutter/lib/flare.dart

@@ -36,7 +36,9 @@ export 'package:flare_dart/animation/actor_animation.dart';
 export 'package:flare_dart/actor_node.dart';
 
 abstract class FlutterActorDrawable {
+  bool _useAntialias;
   ui.BlendMode _blendMode;
+
   int get blendModeId {
     return _blendMode.index;
   }
@@ -54,6 +56,15 @@ abstract class FlutterActorDrawable {
     onBlendModeChanged(_blendMode);
   }
 
+  bool get useAntialias => _useAntialias;
+  set useAntialias(bool value) {
+    if (value != _useAntialias) {
+      _useAntialias = value;
+      onAntialiasChanged(_useAntialias);
+    }
+  }
+
+  void onAntialiasChanged(bool useAA);
   void onBlendModeChanged(ui.BlendMode blendMode);
 
   void draw(ui.Canvas canvas);
@@ -233,8 +244,7 @@ class FlutterActorShape extends ActorShape with FlutterActorDrawable {
     stroke?.markPathEffectsDirty();
   }
 
-  @override
-  void onBlendModeChanged(ui.BlendMode mode) {
+  void _markPaintDirty() {
     if (fills != null) {
       for (final ActorFill actorFill in fills) {
         (actorFill as ActorPaint).markPaintDirty();
@@ -247,6 +257,16 @@ class FlutterActorShape extends ActorShape with FlutterActorDrawable {
     }
   }
 
+  @override
+  void onBlendModeChanged(ui.BlendMode mode) {
+    _markPaintDirty();
+  }
+
+  @override
+  void onAntialiasChanged(bool useAA) {
+    _markPaintDirty();
+  }
+
   ui.Path get path {
     if (_isValid) {
       return _path;
@@ -375,9 +395,11 @@ class FlutterColorFill extends ColorFill with FlutterFill {
   @override
   void update(int dirt) {
     super.update(dirt);
+    var parentShape = parent as FlutterActorShape;
     _paint
       ..color = uiColor
-      ..blendMode = (parent as FlutterActorShape).blendMode;
+      ..isAntiAlias = parentShape.useAntialias
+      ..blendMode = parentShape.blendMode;
     onPaintUpdated(_paint);
   }
 }
@@ -407,10 +429,13 @@ class FlutterColorStroke extends ColorStroke with FlutterStroke {
   @override
   void update(int dirt) {
     super.update(dirt);
+
+    var parentShape = parent as FlutterActorShape;
     _paint
       ..color = uiColor
       ..strokeWidth = width
-      ..blendMode = (parent as FlutterActorShape).blendMode;
+      ..isAntiAlias = parentShape.useAntialias
+      ..blendMode = parentShape.blendMode;
     onPaintUpdated(_paint);
   }
 }
@@ -456,9 +481,12 @@ class FlutterGradientFill extends GradientFill with FlutterFill {
           (overrideColor[2] * 255.0).round(),
           o);
     }
+
+    var parentShape = parent as FlutterActorShape;
     _paint
       ..color = paintColor
-      ..blendMode = (parent as FlutterActorShape).blendMode
+      ..isAntiAlias = parentShape.useAntialias
+      ..blendMode = parentShape.blendMode
       ..shader = ui.Gradient.linear(ui.Offset(renderStart[0], renderStart[1]),
           ui.Offset(renderEnd[0], renderEnd[1]), colors, stops);
     onPaintUpdated(_paint);
@@ -513,9 +541,12 @@ class FlutterGradientStroke extends GradientStroke with FlutterStroke {
           (overrideColor[2] * 255.0).round(),
           o);
     }
+
+    var parentShape = parent as FlutterActorShape;
     _paint
       ..color = paintColor
-      ..blendMode = (parent as FlutterActorShape).blendMode
+      ..isAntiAlias = parentShape.useAntialias
+      ..blendMode = parentShape.blendMode
       ..strokeWidth = width
       ..shader = ui.Gradient.linear(ui.Offset(renderStart[0], renderStart[1]),
           ui.Offset(renderEnd[0], renderEnd[1]), colors, stops);
@@ -579,9 +610,11 @@ class FlutterRadialFill extends RadialGradientFill with FlutterFill {
           o);
     }
 
+    var parentShape = parent as FlutterActorShape;
     _paint
       ..color = paintColor
-      ..blendMode = (parent as FlutterActorShape).blendMode
+      ..isAntiAlias = parentShape.useAntialias
+      ..blendMode = parentShape.blendMode
       ..shader = radial;
     onPaintUpdated(_paint);
   }
@@ -637,10 +670,12 @@ class FlutterRadialStroke extends RadialGradientStroke with FlutterStroke {
           o);
     }
 
+    var parentShape = parent as FlutterActorShape;
     _paint
       ..color = paintColor
       ..strokeWidth = width
-      ..blendMode = (parent as FlutterActorShape).blendMode
+      ..isAntiAlias = parentShape.useAntialias
+      ..blendMode = parentShape.blendMode
       ..shader = ui.Gradient.radial(Offset(renderStart[0], renderStart[1]),
           radius, colors, stops, ui.TileMode.clamp);
     onPaintUpdated(_paint);
@@ -812,8 +847,21 @@ class FlutterActor extends Actor {
 }
 
 class FlutterActorArtboard extends ActorArtboard {
+  bool _useAntialias;
   FlutterActorArtboard(FlutterActor actor) : super(actor);
 
+  bool get useAntialias => _useAntialias;
+  set useAntialias(bool value) {
+    if (_useAntialias != value) {
+      _useAntialias = value;
+      if (drawableNodes != null) {
+        for (final ActorDrawable drawable in drawableNodes) {
+          (drawable as FlutterActorDrawable).useAntialias = _useAntialias;
+        }
+      }
+    }
+  }
+
   void draw(ui.Canvas canvas) {
     if (clipContents) {
       canvas.save();
@@ -1066,7 +1114,7 @@ class FlutterActorImage extends ActorImage with FlutterActorDrawable {
                 ui.TileMode.clamp, _identityMatrix)
             : null
         ..filterQuality = ui.FilterQuality.low
-        ..isAntiAlias = true;
+        ..isAntiAlias = useAntialias;
       onPaintUpdated(_paint);
     }
   }
@@ -1086,6 +1134,14 @@ class FlutterActorImage extends ActorImage with FlutterActorDrawable {
     }
   }
 
+  @override
+  void onAntialiasChanged(bool useAA) {
+    if (_paint != null) {
+      _paint.isAntiAlias = useAA;
+      onPaintUpdated(_paint);
+    }
+  }
+
   /// Swap the image used to draw the mesh for this image node.
   /// Returns true when successful.
   bool changeImage(ui.Image image) {
@@ -1187,9 +1243,8 @@ class FlutterActorImage extends ActorImage with FlutterActorDrawable {
       ..shader = image != null
           ? ui.ImageShader(
               image, ui.TileMode.clamp, ui.TileMode.clamp, _identityMatrix)
-          : null;
-    _paint.filterQuality = ui.FilterQuality.low;
-    _paint.isAntiAlias = true;
+          : null
+      ..filterQuality = ui.FilterQuality.low;
     onPaintUpdated(_paint);
   }
 
@@ -1322,7 +1377,7 @@ class FlutterActorLayerEffectRenderer extends ActorLayerEffectRenderer
 
     double baseBlurX = 0;
     double baseBlurY = 0;
-    Paint layerPaint = Paint();
+    Paint layerPaint = Paint()..isAntiAlias = useAntialias;
     Color layerColor = Colors.white.withOpacity(parent.renderOpacity);
     layerPaint.color = layerColor;
     if (blur?.isActive ?? false) {
@@ -1343,6 +1398,7 @@ class FlutterActorLayerEffectRenderer extends ActorLayerEffectRenderer
         var color = dropShadow.color;
         canvas.translate(dropShadow.offsetX, dropShadow.offsetY);
         var shadowPaint = Paint()
+          ..isAntiAlias = useAntialias
           ..color = layerColor
           ..imageFilter = _blurFilter(
               dropShadow.blurX + baseBlurX, dropShadow.blurY + baseBlurY)
@@ -1375,7 +1431,9 @@ class FlutterActorLayerEffectRenderer extends ActorLayerEffectRenderer
           // to then draw the shadow on top of with srcIn to only show the
           // shadow and finally composite with the desired blend mode requested
           // here.
-          var extraLayerPaint = Paint()..blendMode = blendMode;
+          var extraLayerPaint = Paint()
+            ..blendMode = blendMode
+            ..isAntiAlias = useAntialias;
           drawPass(canvas, bounds, extraLayerPaint);
         }
 
@@ -1385,6 +1443,7 @@ class FlutterActorLayerEffectRenderer extends ActorLayerEffectRenderer
 
         var color = innerShadow.color;
         var shadowPaint = Paint()
+          ..isAntiAlias = useAntialias
           ..color = layerColor
           ..blendMode =
               extraBlendPass ? ui.BlendMode.srcIn : ui.BlendMode.srcATop
@@ -1403,6 +1462,7 @@ class FlutterActorLayerEffectRenderer extends ActorLayerEffectRenderer
 
         // Invert the alpha to compute inner part.
         var invertPaint = Paint()
+          ..isAntiAlias = useAntialias
           ..colorFilter = const ui.ColorFilter.matrix([
             1,
             0,
@@ -1517,6 +1577,7 @@ class FlutterActorLayerEffectRenderer extends ActorLayerEffectRenderer
       }
 
       maskPaint.blendMode = BlendMode.dstIn;
+      maskPaint.isAntiAlias = useAntialias;
       canvas.saveLayer(bounds, maskPaint);
       for (final drawable in renderMask.drawables) {
         bool wasHidden = drawable.isHidden;
@@ -1537,4 +1598,13 @@ class FlutterActorLayerEffectRenderer extends ActorLayerEffectRenderer
     // We don't currently support custom blend modes on the layer effect
     // renderer.
   }
+
+  @override
+  void onAntialiasChanged(bool useAA) {
+    for (final drawable in drawables) {
+      if (drawable is FlutterActorDrawable) {
+        (drawable as FlutterActorDrawable).useAntialias = useAA;
+      }
+    }
+  }
 }

flare_flutter/lib/flare_actor.dart

@@ -74,6 +74,9 @@ class FlareActor extends LeafRenderObjectWidget {
   /// dimensions of this widget.
   final bool sizeFromArtboard;
 
+  /// When false disables antialiasing on drawables.
+  final bool useAntialias;
+
   const FlareActor(
     this.filename, {
     this.boundsNode,
@@ -88,6 +91,7 @@ class FlareActor extends LeafRenderObjectWidget {
     this.shouldClip = true,
     this.sizeFromArtboard = false,
     this.artboard,
+    this.useAntialias = true,
   }) : flareProvider = null;
 
   FlareActor.bundle(
@@ -104,6 +108,7 @@ class FlareActor extends LeafRenderObjectWidget {
     this.shouldClip = true,
     this.sizeFromArtboard = false,
     this.artboard,
+    this.useAntialias = true,
     AssetBundle bundle,
   })  : filename = null,
         flareProvider = AssetFlare(bundle: bundle ?? rootBundle, name: name);
@@ -122,6 +127,7 @@ class FlareActor extends LeafRenderObjectWidget {
     this.shouldClip = true,
     this.sizeFromArtboard = false,
     this.artboard,
+    this.useAntialias = true,
   })  : filename = null,
         flareProvider = MemoryFlare(bytes: bytes);
 
@@ -139,7 +145,8 @@ class FlareActor extends LeafRenderObjectWidget {
     this.shouldClip = true,
     this.sizeFromArtboard = false,
     this.artboard,
-  })  : filename = null;
+    this.useAntialias = true,
+  }) : filename = null;
 
   @override
   RenderObject createRenderObject(BuildContext context) {
@@ -157,7 +164,8 @@ class FlareActor extends LeafRenderObjectWidget {
       ..shouldClip = shouldClip
       ..boundsNodeName = boundsNode
       ..useIntrinsicSize = sizeFromArtboard
-      ..artboardName = artboard;
+      ..artboardName = artboard
+      ..useAntialias = useAntialias;
   }
 
   @override
@@ -175,7 +183,8 @@ class FlareActor extends LeafRenderObjectWidget {
       ..shouldClip = shouldClip
       ..boundsNodeName = boundsNode
       ..useIntrinsicSize = sizeFromArtboard
-      ..artboardName = artboard;
+      ..artboardName = artboard
+      ..useAntialias = useAntialias;
   }
 
   @override
@@ -206,6 +215,7 @@ class FlareActorRenderObject extends FlareRenderBox {
   FlareCompletedCallback _completedCallback;
   bool snapToEnd = false;
   bool _isPaused = false;
+  bool _useAntialias = true;
   FlutterActor _actor;
 
   String get artboardName => _artboardName;
@@ -226,6 +236,17 @@ class FlareActorRenderObject extends FlareRenderBox {
     updatePlayState();
   }
 
+  bool get useAntialias => _useAntialias;
+  set useAntialias(bool value) {
+    if (value != _useAntialias) {
+      _useAntialias = value;
+      if (_artboard != null) {
+        _artboard.useAntialias = _useAntialias;
+      }
+      markNeedsPaint();
+    }
+  }
+
   final List<FlareAnimationLayer> _animationLayers = [];
   bool shouldClip;
 
@@ -348,7 +369,7 @@ class FlareActorRenderObject extends FlareRenderBox {
             _color.blue / 255.0,
             _color.opacity
           ]);
-
+    _artboard.useAntialias = _useAntialias;
     if (_controller != null) {
       _controller.initialize(_artboard);
     }