mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
0b629d419f
Now that the compositor doesn't have any tricky deps, we can make it a top-level project, which saves a bunch of typing.
41 lines
1.1 KiB
C++
41 lines
1.1 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/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);
|
|
}
|
|
|
|
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::ScopedFrame& frame) const {
|
|
for (auto& layer : layers_)
|
|
layer->Paint(frame);
|
|
}
|
|
|
|
} // namespace flow
|