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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
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 "flow/layers/container_layer.h"
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namespace flow {
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ContainerLayer::ContainerLayer() {
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}
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ContainerLayer::~ContainerLayer() {
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}
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void ContainerLayer::Add(std::unique_ptr<Layer> layer) {
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layer->set_parent(this);
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layers_.push_back(std::move(layer));
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}
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void ContainerLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
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PrerollChildren(context, matrix);
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}
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void ContainerLayer::PrerollChildren(PrerollContext* context,
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const SkMatrix& matrix) {
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SkRect child_paint_bounds;
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for (auto& layer : layers_) {
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PrerollContext child_context = *context;
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layer->Preroll(&child_context, matrix);
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child_paint_bounds.join(child_context.child_paint_bounds);
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}
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context->child_paint_bounds = child_paint_bounds;
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}
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void ContainerLayer::PaintChildren(PaintContext::ScopedFrame& frame) const {
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for (auto& layer : layers_)
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layer->Paint(frame);
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}
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} // namespace flow
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