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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 CONTENT_RENDERER_RENDER_WIDGET_H_ | 5 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_ |
6 #define CONTENT_RENDERER_RENDER_WIDGET_H_ | 6 #define CONTENT_RENDERER_RENDER_WIDGET_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <deque> | 9 #include <deque> |
10 #include <vector> | 10 #include <vector> |
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517 // Queue of UpdateRect messages corresponding to a SwapBuffers. We want to | 517 // Queue of UpdateRect messages corresponding to a SwapBuffers. We want to |
518 // delay sending of UpdateRect until the corresponding SwapBuffers has been | 518 // delay sending of UpdateRect until the corresponding SwapBuffers has been |
519 // executed. Since we can have several in flight, we need to keep them in a | 519 // executed. Since we can have several in flight, we need to keep them in a |
520 // queue. Note: some SwapBuffers may not correspond to an update, in which | 520 // queue. Note: some SwapBuffers may not correspond to an update, in which |
521 // case NULL is added to the queue. | 521 // case NULL is added to the queue. |
522 std::deque<ViewHostMsg_UpdateRect*> updates_pending_swap_; | 522 std::deque<ViewHostMsg_UpdateRect*> updates_pending_swap_; |
523 | 523 |
524 // Properties of the screen hosting this RenderWidget instance. | 524 // Properties of the screen hosting this RenderWidget instance. |
525 WebKit::WebScreenInfo screen_info_; | 525 WebKit::WebScreenInfo screen_info_; |
526 | 526 |
| 527 // The device scale factor. This value is computed from the DPI entries in |
| 528 // |screen_info_| on some platforms, and defaults to 1 on other platforms. |
| 529 int device_scale_factor_; |
| 530 |
527 // Set to true if we should invert all pixels. | 531 // Set to true if we should invert all pixels. |
528 bool invert_; | 532 bool invert_; |
529 | 533 |
530 // The Skia paint object for inverting. | 534 // The Skia paint object for inverting. |
531 scoped_ptr<SkPaint> invert_paint_; | 535 scoped_ptr<SkPaint> invert_paint_; |
532 | 536 |
533 DISALLOW_COPY_AND_ASSIGN(RenderWidget); | 537 DISALLOW_COPY_AND_ASSIGN(RenderWidget); |
534 }; | 538 }; |
535 | 539 |
536 #endif // CONTENT_RENDERER_RENDER_WIDGET_H_ | 540 #endif // CONTENT_RENDERER_RENDER_WIDGET_H_ |
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