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Side by Side Diff: ui/gfx/compositor/layer.h

Issue 7645004: Add gl.dll, compositor.dll, and surface.dll. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_GFX_COMPOSITOR_LAYER_H_ 5 #ifndef UI_GFX_COMPOSITOR_LAYER_H_
6 #define UI_GFX_COMPOSITOR_LAYER_H_ 6 #define UI_GFX_COMPOSITOR_LAYER_H_
7 #pragma once 7 #pragma once
8 8
9 #include <vector> 9 #include <vector>
10 10
11 #include "base/memory/ref_counted.h" 11 #include "base/memory/ref_counted.h"
12 #include "ui/gfx/rect.h" 12 #include "ui/gfx/rect.h"
13 #include "ui/gfx/transform.h" 13 #include "ui/gfx/transform.h"
14 #include "ui/gfx/compositor/compositor.h" 14 #include "ui/gfx/compositor/compositor.h"
15 15
16 class SkCanvas; 16 class SkCanvas;
17 17
18 namespace ui { 18 namespace ui {
19 19
20 class Compositor; 20 class Compositor;
21 class Texture; 21 class Texture;
22 22
23 // Layer manages a texture, transform and a set of child Layers. Any View that 23 // Layer manages a texture, transform and a set of child Layers. Any View that
24 // has enabled layers ends up creating a Layer to manage the texture. 24 // has enabled layers ends up creating a Layer to manage the texture.
25 // 25 //
26 // NOTE: unlike Views, each Layer does *not* own its children views. If you 26 // NOTE: unlike Views, each Layer does *not* own its children views. If you
27 // delete a Layer and it has children, the parent of each child layer is set to 27 // delete a Layer and it has children, the parent of each child layer is set to
28 // NULL, but the children are not deleted. 28 // NULL, but the children are not deleted.
29 class Layer { 29 class COMPOSITOR_EXPORT Layer {
30 public: 30 public:
31 explicit Layer(Compositor* compositor); 31 explicit Layer(Compositor* compositor);
32 ~Layer(); 32 ~Layer();
33 33
34 // Adds a new Layer to this Layer. 34 // Adds a new Layer to this Layer.
35 void Add(Layer* child); 35 void Add(Layer* child);
36 36
37 // Removes a Layer from this Layer. 37 // Removes a Layer from this Layer.
38 void Remove(Layer* child); 38 void Remove(Layer* child);
39 39
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117 bool fills_bounds_opaquely_; 117 bool fills_bounds_opaquely_;
118 118
119 gfx::Rect hole_rect_; 119 gfx::Rect hole_rect_;
120 120
121 DISALLOW_COPY_AND_ASSIGN(Layer); 121 DISALLOW_COPY_AND_ASSIGN(Layer);
122 }; 122 };
123 123
124 } // namespace ui 124 } // namespace ui
125 125
126 #endif // UI_GFX_COMPOSITOR_LAYER_H_ 126 #endif // UI_GFX_COMPOSITOR_LAYER_H_
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