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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 "ui/compositor/compositor_export.h"
- namespace cc {
- 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(const TransformRecorder&) = delete;
- TransformRecorder& operator=(const TransformRecorder&) = delete;
- ~TransformRecorder();
- void Transform(const gfx::Transform& transform);
- private:
- const PaintContext& context_;
- bool transformed_;
- };
- } // namespace ui
- #endif // UI_COMPOSITOR_TRANSFORM_RECORDER_H_
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