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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 CC_DRAW_PROPERTIES_H_ | 5 #ifndef CC_DRAW_PROPERTIES_H_ |
6 #define CC_DRAW_PROPERTIES_H_ | 6 #define CC_DRAW_PROPERTIES_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "ui/gfx/rect.h" | 9 #include "ui/gfx/rect.h" |
10 #include "ui/gfx/transform.h" | 10 #include "ui/gfx/transform.h" |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 | 13 |
14 // Container for properties that layers need to compute before they can be | 14 // Container for properties that layers need to compute before they can be |
15 // drawn. | 15 // drawn. |
16 template<typename LayerType, typename RenderSurfaceType> | 16 template<typename LayerType, typename RenderSurfaceType> |
17 struct CC_EXPORT DrawProperties { | 17 struct CC_EXPORT DrawProperties { |
18 DrawProperties() | 18 DrawProperties() |
19 : opacity(0) | 19 : opacity(0) |
20 , opacity_is_animating(false) | 20 , opacity_is_animating(false) |
21 , screen_space_opacity_is_animating(false) | 21 , screen_space_opacity_is_animating(false) |
22 , target_space_transform_is_animating(false) | 22 , target_space_transform_is_animating(false) |
23 , screen_space_transform_is_animating(false) | 23 , screen_space_transform_is_animating(false) |
24 , can_use_lcd_text(false) | 24 , can_use_lcd_text(false) |
25 , is_clipped(false) | 25 , is_clipped(false) |
26 , render_target(0) | 26 , render_target(0) |
| 27 , contents_scale_x(1) |
| 28 , contents_scale_y(1) |
27 , num_descendants_that_draw_content(0) | 29 , num_descendants_that_draw_content(0) |
28 { | 30 { |
29 } | 31 } |
30 | 32 |
31 // Transforms objects from content space to target surface space, where | 33 // Transforms objects from content space to target surface space, where |
32 // this layer would be drawn. | 34 // this layer would be drawn. |
33 gfx::Transform target_space_transform; | 35 gfx::Transform target_space_transform; |
34 | 36 |
35 // Transforms objects from content space to screen space (viewport space). | 37 // Transforms objects from content space to screen space (viewport space). |
36 gfx::Transform screen_space_transform; | 38 gfx::Transform screen_space_transform; |
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68 | 70 |
69 // In target surface space, the rect that encloses the clipped, drawable | 71 // In target surface space, the rect that encloses the clipped, drawable |
70 // content of the layer. | 72 // content of the layer. |
71 gfx::Rect drawable_content_rect; | 73 gfx::Rect drawable_content_rect; |
72 | 74 |
73 // In target surface space, the original rect that clipped this | 75 // In target surface space, the original rect that clipped this |
74 // layer. This value is used to avoid unnecessarily changing GL scissor | 76 // layer. This value is used to avoid unnecessarily changing GL scissor |
75 // state. | 77 // state. |
76 gfx::Rect clip_rect; | 78 gfx::Rect clip_rect; |
77 | 79 |
| 80 // The scale used to move between layer space and content space, and bounds |
| 81 // of the space. One is always a function of the other, but which one |
| 82 // depends on the layer type. For picture layers, this is an ideal scale, |
| 83 // and not always the one used. |
| 84 float contents_scale_x; |
| 85 float contents_scale_y; |
| 86 gfx::Size content_bounds; |
| 87 |
78 // Does not include this layer itself, only its children and descendants. | 88 // Does not include this layer itself, only its children and descendants. |
79 int num_descendants_that_draw_content; | 89 int num_descendants_that_draw_content; |
80 }; | 90 }; |
81 | 91 |
82 } // namespace cc | 92 } // namespace cc |
83 | 93 |
84 #endif // CC_DRAW_PROPERTIES_H_ | 94 #endif // CC_DRAW_PROPERTIES_H_ |
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