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Side by Side Diff: cc/resources/content_layer_updater.h

Issue 315393002: Record SkPicture with correct LCD text setting. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: better unittest Created 6 years, 6 months ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 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 CC_RESOURCES_CONTENT_LAYER_UPDATER_H_ 5 #ifndef CC_RESOURCES_CONTENT_LAYER_UPDATER_H_
6 #define CC_RESOURCES_CONTENT_LAYER_UPDATER_H_ 6 #define CC_RESOURCES_CONTENT_LAYER_UPDATER_H_
7 7
8 #include "cc/base/cc_export.h" 8 #include "cc/base/cc_export.h"
9 #include "cc/resources/layer_updater.h" 9 #include "cc/resources/layer_updater.h"
10 #include "ui/gfx/rect.h" 10 #include "ui/gfx/rect.h"
11 11
12 class SkCanvas; 12 class SkCanvas;
13 13
14 namespace cc { 14 namespace cc {
15 15
16 class LayerPainter; 16 class ContentLayerPainter;
17 class RenderingStatsInstrumentation; 17 class RenderingStatsInstrumentation;
18 18
19 // Base class for BitmapContentLayerUpdater and 19 // Base class for BitmapContentLayerUpdater and
20 // SkPictureContentLayerUpdater that reduces code duplication between 20 // SkPictureContentLayerUpdater that reduces code duplication between
21 // their respective PaintContents implementations. 21 // their respective PaintContents implementations.
22 class CC_EXPORT ContentLayerUpdater : public LayerUpdater { 22 class CC_EXPORT ContentLayerUpdater : public LayerUpdater {
23 public: 23 public:
24 void set_rendering_stats_instrumentation(RenderingStatsInstrumentation* rsi); 24 void set_rendering_stats_instrumentation(RenderingStatsInstrumentation* rsi);
25 virtual void SetOpaque(bool opaque) OVERRIDE; 25 virtual void SetOpaque(bool opaque) OVERRIDE;
26 virtual void SetFillsBoundsCompletely(bool fills_bounds) OVERRIDE; 26 virtual void SetFillsBoundsCompletely(bool fills_bounds) OVERRIDE;
27 void set_can_use_lcd_text(bool can_use) { can_use_lcd_text_ = can_use; }
27 28
28 protected: 29 protected:
29 ContentLayerUpdater(scoped_ptr<LayerPainter> painter, 30 ContentLayerUpdater(scoped_ptr<ContentLayerPainter> painter,
30 RenderingStatsInstrumentation* stats_instrumentation, 31 RenderingStatsInstrumentation* stats_instrumentation,
31 int layer_id); 32 int layer_id);
32 virtual ~ContentLayerUpdater(); 33 virtual ~ContentLayerUpdater();
33 34
34 void PaintContents(SkCanvas* canvas, 35 void PaintContents(SkCanvas* canvas,
35 const gfx::Rect& content_rect, 36 const gfx::Rect& content_rect,
36 float contents_width_scale, 37 float contents_width_scale,
37 float contents_height_scale, 38 float contents_height_scale,
38 gfx::Rect* resulting_opaque_rect); 39 gfx::Rect* resulting_opaque_rect);
39 gfx::Rect content_rect() const { return content_rect_; } 40 gfx::Rect content_rect() const { return content_rect_; }
40 41
41 bool layer_is_opaque() const { return layer_is_opaque_; } 42 bool layer_is_opaque() const { return layer_is_opaque_; }
42 bool layer_fills_bounds_completely() const { 43 bool layer_fills_bounds_completely() const {
43 return layer_fills_bounds_completely_; 44 return layer_fills_bounds_completely_;
44 } 45 }
45 46
46 RenderingStatsInstrumentation* rendering_stats_instrumentation_; 47 RenderingStatsInstrumentation* rendering_stats_instrumentation_;
47 int layer_id_; 48 int layer_id_;
48 49
49 // True when it is known that all output pixels will be opaque. 50 // True when it is known that all output pixels will be opaque.
50 bool layer_is_opaque_; 51 bool layer_is_opaque_;
51 // True when it is known that all output pixels will be filled. 52 // True when it is known that all output pixels will be filled.
52 bool layer_fills_bounds_completely_; 53 bool layer_fills_bounds_completely_;
53 54
54 private: 55 private:
55 gfx::Rect content_rect_; 56 gfx::Rect content_rect_;
56 scoped_ptr<LayerPainter> painter_; 57 scoped_ptr<ContentLayerPainter> painter_;
58 bool can_use_lcd_text_;
57 59
58 DISALLOW_COPY_AND_ASSIGN(ContentLayerUpdater); 60 DISALLOW_COPY_AND_ASSIGN(ContentLayerUpdater);
59 }; 61 };
60 62
61 } // namespace cc 63 } // namespace cc
62 64
63 #endif // CC_RESOURCES_CONTENT_LAYER_UPDATER_H_ 65 #endif // CC_RESOURCES_CONTENT_LAYER_UPDATER_H_
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