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Add space to the clipping region of physical model layers with shadows (#9654)

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Jason Simmons 2017-05-01 11:32:09 -07:00 committed by GitHub
parent 9c1aba2abe
commit 2ab631b702
1 changed files with 6 additions and 0 deletions
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6
packages/flutter/lib/src/rendering/object.dart
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@ -472,6 +472,12 @@ class PaintingContext {
childContext._stopRecordingIfNeeded(); childContext._stopRecordingIfNeeded();
} else { } else {
if (elevation != 0) { if (elevation != 0) {
// The drawShadow call doesn't add the region of the shadow to the
// picture's bounds, so we draw a hardcoded amount of extra space to
// account for the maximum potential area of the shadow.
// TODO(jsimmons): remove this when Skia does it for us.
canvas.drawRect(offsetBounds.inflate(20.0),
new Paint()..color=const Color(0));
canvas.drawShadow( canvas.drawShadow(
new Path()..addRRect(offsetClipRRect), new Path()..addRRect(offsetClipRRect),
const Color(0xFF000000), const Color(0xFF000000),