flutter_flutter/flow/opacity_layer.h
Adam Barth 0b629d419f Move //sky/compositor to //flow
Now that the compositor doesn't have any tricky deps, we can make it a
top-level project, which saves a bunch of typing.
2016-01-12 22:39:51 -08:00

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// 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.
#ifndef FLOW_OPACITY_LAYER_H_
#define FLOW_OPACITY_LAYER_H_
#include "flow/container_layer.h"
namespace flow {
class OpacityLayer : public ContainerLayer {
public:
OpacityLayer();
~OpacityLayer() override;
void set_alpha(int alpha) { alpha_ = alpha; }
protected:
void Preroll(PrerollContext* context, const SkMatrix& matrix) override;
void Paint(PaintContext::ScopedFrame& frame) override;
private:
int alpha_;
DISALLOW_COPY_AND_ASSIGN(OpacityLayer);
};
} // namespace flow
#endif // FLOW_OPACITY_LAYER_H_