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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 UI_COMPOSITOR_TRANSFORM_RECORDER_H_
#define UI_COMPOSITOR_TRANSFORM_RECORDER_H_
#include "base/macros.h"
#include "ui/compositor/compositor_export.h"
namespace cc {
class DisplayItem;
class DisplayItemList;
}
namespace gfx {
class Transform;
}
namespace ui {
class PaintContext;
// A class to provide scoped transforms of painting to a DisplayItemList. The
// transform provided will be applied to any DisplayItems added to the
// DisplayItemList while this object is alive. In other words, any nested
// recorders will be transformed.
class COMPOSITOR_EXPORT TransformRecorder {
public:
explicit TransformRecorder(const PaintContext& context);
~TransformRecorder();
void Transform(const gfx::Transform& transform);
private:
const PaintContext& context_;
bool transformed_;
DISALLOW_COPY_AND_ASSIGN(TransformRecorder);
};
} // namespace ui
#endif // UI_COMPOSITOR_TRANSFORM_RECORDER_H_