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fix #313 #312 onBlendModeChanged _paint LateInitializationError #314

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fix #313 #312 onBlendModeChanged _paint LateInitializationError #314

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8dbdfd6
fix #313 #312 onBlendModeChanged _paint LateInitializationError
CarGuo Sep 23, 2021
0ba5ee8
Update flare_render_box.dart
CarGuo Jul 5, 2022
ab41281
Update flare_render_box.dart
CarGuo Jul 5, 2022
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20 changes: 10 additions & 10 deletions flare_flutter/lib/flare.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -310,7 +310,7 @@ class FlutterActorEllipse extends ActorEllipse with FlutterPathPointsPath {
class FlutterActorImage extends ActorImage with FlutterActorDrawable {
late Float32List _vertexBuffer;
late Float32List _uvBuffer;
late ui.Paint _paint;
ui.Paint? _paint;
ui.Vertices? _canvasVertices;
late Uint16List _indices;

Expand Down Expand Up @@ -339,7 +339,7 @@ class FlutterActorImage extends ActorImage with FlutterActorDrawable {
..blendMode = blendMode
..shader = textureIndex >= 0 && textureIndex < images.length
? ui.ImageShader(images[textureIndex], ui.TileMode.clamp,
ui.TileMode.clamp, _identityMatrix)
ui.TileMode.clamp, _identityMatrix)
: null
..filterQuality = ui.FilterQuality.low
..isAntiAlias = antialias;
Expand All @@ -366,7 +366,7 @@ class FlutterActorImage extends ActorImage with FlutterActorDrawable {
idx += 2;
}

_paint.shader = ui.ImageShader(
_paint?.shader = ui.ImageShader(
image, ui.TileMode.clamp, ui.TileMode.clamp, _identityMatrix);

_canvasVertices = ui.Vertices.raw(ui.VertexMode.triangles, _vertexBuffer,
Expand Down Expand Up @@ -435,14 +435,14 @@ class FlutterActorImage extends ActorImage with FlutterActorDrawable {
canvas.save();

clip(canvas);
_paint.color =
_paint.color.withOpacity(renderOpacity.clamp(0.0, 1.0).toDouble());
_paint?.color =
_paint!.color.withOpacity(renderOpacity.clamp(0.0, 1.0).toDouble());

if (imageTransform != null) {
canvas.transform(imageTransform!.mat4);
canvas.drawVertices(_canvasVertices!, ui.BlendMode.srcOver, _paint);
canvas.drawVertices(_canvasVertices!, ui.BlendMode.srcOver, _paint!);
} else {
canvas.drawVertices(_canvasVertices!, ui.BlendMode.srcOver, _paint);
canvas.drawVertices(_canvasVertices!, ui.BlendMode.srcOver, _paint!);
}

canvas.restore();
Expand Down Expand Up @@ -496,17 +496,17 @@ class FlutterActorImage extends ActorImage with FlutterActorDrawable {

@override
void onAntialiasChanged(bool useAA) {
_paint.isAntiAlias = useAA;
_paint?.isAntiAlias = useAA;
onPaintUpdated(_paint);
}

@override
void onBlendModeChanged(ui.BlendMode mode) {
_paint.blendMode = mode;
_paint?.blendMode = mode;
onPaintUpdated(_paint);
}

void onPaintUpdated(ui.Paint paint) {}
void onPaintUpdated(ui.Paint? paint) {}

@override
void update(int dirt) {
Expand Down
6 changes: 3 additions & 3 deletions flare_flutter/lib/flare_render_box.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -164,10 +164,10 @@ abstract class FlareRenderBox extends RenderBox {
if (isPlaying) {
// Paint again
if (_frameCallbackID != -1) {
SchedulerBinding.instance?.cancelFrameCallbackWithId(_frameCallbackID);
SchedulerBinding.instance.cancelFrameCallbackWithId(_frameCallbackID);
}
_frameCallbackID =
SchedulerBinding.instance?.scheduleFrameCallback(_beginFrame) ?? -1;
SchedulerBinding.instance.scheduleFrameCallback(_beginFrame);
}

final Canvas canvas = context.canvas;
Expand Down Expand Up @@ -269,7 +269,7 @@ abstract class FlareRenderBox extends RenderBox {
} else {
_lastFrameTime = _notPlayingFlag;
if (_frameCallbackID != -1) {
SchedulerBinding.instance?.cancelFrameCallbackWithId(_frameCallbackID);
SchedulerBinding.instance.cancelFrameCallbackWithId(_frameCallbackID);
}
}
}
Expand Down