mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
b9ff394182
Instead, make Layer::Paint take a new PaintContext that has just exactly the state that it needs, mirroring PrerollContext. Also, rename PaintContext to CompositorContext because it holds the context for the whole compositor.
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "flow/layers/container_layer.h"
|
|
|
|
namespace flow {
|
|
|
|
ContainerLayer::ContainerLayer() {
|
|
}
|
|
|
|
ContainerLayer::~ContainerLayer() {
|
|
}
|
|
|
|
void ContainerLayer::Add(std::unique_ptr<Layer> layer) {
|
|
layer->set_parent(this);
|
|
layers_.push_back(std::move(layer));
|
|
}
|
|
|
|
void ContainerLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
|
|
PrerollChildren(context, matrix);
|
|
set_paint_bounds(context->child_paint_bounds);
|
|
}
|
|
|
|
void ContainerLayer::PrerollChildren(PrerollContext* context,
|
|
const SkMatrix& matrix) {
|
|
SkRect child_paint_bounds;
|
|
for (auto& layer : layers_) {
|
|
PrerollContext child_context = *context;
|
|
layer->Preroll(&child_context, matrix);
|
|
child_paint_bounds.join(child_context.child_paint_bounds);
|
|
}
|
|
context->child_paint_bounds = child_paint_bounds;
|
|
}
|
|
|
|
void ContainerLayer::PaintChildren(PaintContext& context) const {
|
|
for (auto& layer : layers_)
|
|
layer->Paint(context);
|
|
}
|
|
|
|
void ContainerLayer::UpdateScene(mojo::gfx::composition::SceneUpdate* update,
|
|
mojo::gfx::composition::Node* container) {
|
|
for (auto& layer : layers_)
|
|
layer->UpdateScene(update, container);
|
|
}
|
|
|
|
} // namespace flow
|