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29 lines
889 B
C++
29 lines
889 B
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/flow/layers/clip_path_layer.h"
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namespace flow {
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ClipPathLayer::ClipPathLayer() {}
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ClipPathLayer::~ClipPathLayer() {}
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void ClipPathLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
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PrerollChildren(context, matrix);
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if (!context->child_paint_bounds.intersect(clip_path_.getBounds()))
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context->child_paint_bounds.setEmpty();
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set_paint_bounds(context->child_paint_bounds);
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}
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void ClipPathLayer::Paint(PaintContext& context) {
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TRACE_EVENT0("flutter", "ClipPathLayer::Paint");
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SkAutoCanvasRestore save(&context.canvas, false);
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context.canvas.saveLayer(&paint_bounds(), nullptr);
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context.canvas.clipPath(clip_path_, true);
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PaintChildren(context);
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}
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} // namespace flow
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