| // 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_CLIP_RECORDER_H_ |
| #define UI_COMPOSITOR_CLIP_RECORDER_H_ |
| |
| #include "base/macros.h" |
| #include "ui/compositor/compositor_export.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| class SkPath; |
| |
| namespace cc { |
| class DisplayItemList; |
| } |
| |
| namespace ui { |
| class PaintContext; |
| |
| // A class to provide scoped clips of painting to a DisplayItemList. The clip |
| // provided will be applied to any DisplayItems added to the DisplayItemList |
| // while this object is alive. In other words, any nested recorders will be |
| // clipped. |
| class COMPOSITOR_EXPORT ClipRecorder { |
| public: |
| explicit ClipRecorder(const PaintContext& context); |
| ~ClipRecorder(); |
| |
| void ClipRect(const gfx::Rect& clip_rect); |
| void ClipPath(const SkPath& clip_path); |
| void ClipPathWithAntiAliasing(const SkPath& clip_path); |
| |
| private: |
| const PaintContext& context_; |
| int num_closers_ = 0; |
| |
| DISALLOW_COPY_AND_ASSIGN(ClipRecorder); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_COMPOSITOR_CLIP_RECORDER_H_ |