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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 UI_COMPOSITOR_LAYER_H_ | 5 #ifndef UI_COMPOSITOR_LAYER_H_ |
6 #define UI_COMPOSITOR_LAYER_H_ | 6 #define UI_COMPOSITOR_LAYER_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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132 gfx::Transform transform() const; | 132 gfx::Transform transform() const; |
133 | 133 |
134 // Return the target transform if animator is running, or the current | 134 // Return the target transform if animator is running, or the current |
135 // transform otherwise. | 135 // transform otherwise. |
136 gfx::Transform GetTargetTransform() const; | 136 gfx::Transform GetTargetTransform() const; |
137 | 137 |
138 // The bounds, relative to the parent. | 138 // The bounds, relative to the parent. |
139 void SetBounds(const gfx::Rect& bounds); | 139 void SetBounds(const gfx::Rect& bounds); |
140 const gfx::Rect& bounds() const { return bounds_; } | 140 const gfx::Rect& bounds() const { return bounds_; } |
141 | 141 |
| 142 // The offset from our parent (stored in bounds.origin()) is an integer but we |
| 143 // may need to be at a fractional pixel offset to align properly on screen. |
| 144 void SetSubpixelPositionOffset(const gfx::Vector2dF offset); |
| 145 |
142 // Return the target bounds if animator is running, or the current bounds | 146 // Return the target bounds if animator is running, or the current bounds |
143 // otherwise. | 147 // otherwise. |
144 gfx::Rect GetTargetBounds() const; | 148 gfx::Rect GetTargetBounds() const; |
145 | 149 |
146 // Sets/gets whether or not drawing of child layers should be clipped to the | 150 // Sets/gets whether or not drawing of child layers should be clipped to the |
147 // bounds of this layer. | 151 // bounds of this layer. |
148 void SetMasksToBounds(bool masks_to_bounds); | 152 void SetMasksToBounds(bool masks_to_bounds); |
149 bool GetMasksToBounds() const; | 153 bool GetMasksToBounds() const; |
150 | 154 |
151 // The opacity of the layer. The opacity is applied to each pixel of the | 155 // The opacity of the layer. The opacity is applied to each pixel of the |
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403 const LayerType type_; | 407 const LayerType type_; |
404 | 408 |
405 Compositor* compositor_; | 409 Compositor* compositor_; |
406 | 410 |
407 Layer* parent_; | 411 Layer* parent_; |
408 | 412 |
409 // This layer's children, in bottom-to-top stacking order. | 413 // This layer's children, in bottom-to-top stacking order. |
410 std::vector<Layer*> children_; | 414 std::vector<Layer*> children_; |
411 | 415 |
412 gfx::Rect bounds_; | 416 gfx::Rect bounds_; |
| 417 gfx::Vector2dF subpixel_position_offset_; |
413 | 418 |
414 // Visibility of this layer. See SetVisible/IsDrawn for more details. | 419 // Visibility of this layer. See SetVisible/IsDrawn for more details. |
415 bool visible_; | 420 bool visible_; |
416 | 421 |
417 bool force_render_surface_; | 422 bool force_render_surface_; |
418 | 423 |
419 bool fills_bounds_opaquely_; | 424 bool fills_bounds_opaquely_; |
420 bool fills_bounds_completely_; | 425 bool fills_bounds_completely_; |
421 | 426 |
422 // Union of damaged rects, in pixel coordinates, to be used when | 427 // Union of damaged rects, in pixel coordinates, to be used when |
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482 // The size of the frame or texture in DIP, set when SetShowDelegatedContent | 487 // The size of the frame or texture in DIP, set when SetShowDelegatedContent |
483 // or SetTextureMailbox was called. | 488 // or SetTextureMailbox was called. |
484 gfx::Size frame_size_in_dip_; | 489 gfx::Size frame_size_in_dip_; |
485 | 490 |
486 DISALLOW_COPY_AND_ASSIGN(Layer); | 491 DISALLOW_COPY_AND_ASSIGN(Layer); |
487 }; | 492 }; |
488 | 493 |
489 } // namespace ui | 494 } // namespace ui |
490 | 495 |
491 #endif // UI_COMPOSITOR_LAYER_H_ | 496 #endif // UI_COMPOSITOR_LAYER_H_ |
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