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34 行
967 B

using Unity.UIWidgets.ui;
namespace Unity.UIWidgets.flow {
public class ClipRRectLayer : ContainerLayer {
RRect _clipRRect;
public RRect clipRRect {
set { this._clipRRect = value; }
}
public override void preroll(PrerollContext context, Matrix3 matrix) {
var childPaintBounds = Rect.zero;
this.prerollChildren(context, matrix, ref childPaintBounds);
childPaintBounds = childPaintBounds.intersect(this._clipRRect.outerRect);
if (!childPaintBounds.isEmpty) {
this.paintBounds = childPaintBounds;
}
}
public override void paint(PaintContext context) {
var canvas = context.canvas;
canvas.save();
canvas.clipRRect(this._clipRRect);
try {
this.paintChildren(context);
} finally {
canvas.restore();
}
}
}
}