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Merge pull request #505 from RafaelBarbosatec/develop
Version 3.8.1
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89 changes: 89 additions & 0 deletions
89
lib/util/direction_animations/render_transform_warpper.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import 'dart:ui'; | ||
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| import 'package:bonfire/bonfire.dart'; | ||
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| class RenderTransformWrapper { | ||
| final List<RenderTransformer> transforms; | ||
| final void Function(Canvas canvas, Paint paint) render; | ||
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| RenderTransformWrapper({required this.transforms, required this.render}); | ||
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| void execRender(Canvas canvas, Paint paint) { | ||
| int index = 0; | ||
| for (final transform in transforms) { | ||
| if (transform.transform(canvas)) { | ||
| index++; | ||
| } | ||
| } | ||
| render(canvas, paint); | ||
| for (int i = 0; i < index; i++) { | ||
| canvas.restore(); | ||
| } | ||
| } | ||
| } | ||
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| abstract class RenderTransformer { | ||
| bool transform(Canvas canvas); | ||
| } | ||
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| class CenterAdjustRenderTransform extends RenderTransformer { | ||
| final CenterAdjustRenderData? Function() onTransform; | ||
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| CenterAdjustRenderTransform(this.onTransform); | ||
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| @override | ||
| bool transform(Canvas canvas) { | ||
| final data = onTransform(); | ||
| if (data == null) { | ||
| return false; | ||
| } | ||
| canvas.save(); | ||
| Vector2 diff = data.center - data.newCenter; | ||
| canvas.translate(diff.x, diff.y); | ||
| return true; | ||
| } | ||
| } | ||
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| class CenterAdjustRenderData { | ||
| final Vector2 center; | ||
| final Vector2 newCenter; | ||
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| CenterAdjustRenderData({ | ||
| required this.center, | ||
| required this.newCenter, | ||
| }); | ||
| } | ||
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| class FlipRenderTransform extends RenderTransformer { | ||
| final FlipRenderTransformData? Function() onTransform; | ||
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| FlipRenderTransform(this.onTransform); | ||
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| @override | ||
| bool transform(Canvas canvas) { | ||
| final data = onTransform(); | ||
| if (data == null) { | ||
| return false; | ||
| } | ||
| canvas.save(); | ||
| canvas.translate(data.center.x, data.center.y); | ||
| canvas.scale( | ||
| data.horizontal ? -1 : 1, | ||
| data.vertical ? -1 : 1, | ||
| ); | ||
| canvas.translate(-data.center.x, -data.center.y); | ||
| return true; | ||
| } | ||
| } | ||
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| class FlipRenderTransformData { | ||
| final Vector2 center; | ||
| final bool horizontal; | ||
| final bool vertical; | ||
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| FlipRenderTransformData({ | ||
| required this.center, | ||
| required this.horizontal, | ||
| required this.vertical, | ||
| }); | ||
| } |
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