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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 SKIA_EXT_ANALYSIS_CANVAS_H_ | 5 #ifndef SKIA_EXT_ANALYSIS_CANVAS_H_ |
6 #define SKIA_EXT_ANALYSIS_CANVAS_H_ | 6 #define SKIA_EXT_ANALYSIS_CANVAS_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
| 9 #include "third_party/skia/include/core/SkBitmapDevice.h" |
9 #include "third_party/skia/include/core/SkCanvas.h" | 10 #include "third_party/skia/include/core/SkCanvas.h" |
10 #include "third_party/skia/include/core/SkDevice.h" | |
11 #include "third_party/skia/include/core/SkPicture.h" | 11 #include "third_party/skia/include/core/SkPicture.h" |
12 | 12 |
13 namespace skia { | 13 namespace skia { |
14 | 14 |
15 class AnalysisDevice; | 15 class AnalysisDevice; |
16 | 16 |
17 // Does not render anything, but gathers statistics about a region | 17 // Does not render anything, but gathers statistics about a region |
18 // (specified as a clip rectangle) of an SkPicture as the picture is | 18 // (specified as a clip rectangle) of an SkPicture as the picture is |
19 // played back through it. | 19 // played back through it. |
20 // To use: create a SkBitmap with kNo_Config, create an AnalysisDevice | 20 // To use: create a SkBitmap with kNo_Config, create an AnalysisDevice |
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51 virtual void restore() OVERRIDE; | 51 virtual void restore() OVERRIDE; |
52 | 52 |
53 private: | 53 private: |
54 typedef SkCanvas INHERITED; | 54 typedef SkCanvas INHERITED; |
55 | 55 |
56 int saved_stack_size_; | 56 int saved_stack_size_; |
57 int force_not_solid_stack_level_; | 57 int force_not_solid_stack_level_; |
58 int force_not_transparent_stack_level_; | 58 int force_not_transparent_stack_level_; |
59 }; | 59 }; |
60 | 60 |
61 class SK_API AnalysisDevice : public SkDevice { | 61 // TODO(robertphillips): Once Skia's SkBaseDevice API is refactored to |
| 62 // remove the bitmap-specific entry points, it might make sense for this |
| 63 // to be derived from SkBaseDevice (rather than SkBitmapDevice) |
| 64 class SK_API AnalysisDevice : public SkBitmapDevice { |
62 public: | 65 public: |
63 AnalysisDevice(const SkBitmap& bitmap); | 66 AnalysisDevice(const SkBitmap& bitmap); |
64 virtual ~AnalysisDevice(); | 67 virtual ~AnalysisDevice(); |
65 | 68 |
66 bool GetColorIfSolid(SkColor* color) const; | 69 bool GetColorIfSolid(SkColor* color) const; |
67 bool HasText() const; | 70 bool HasText() const; |
68 | 71 |
69 void SetForceNotSolid(bool flag); | 72 void SetForceNotSolid(bool flag); |
70 void SetForceNotTransparent(bool flag); | 73 void SetForceNotTransparent(bool flag); |
71 | 74 |
72 protected: | 75 protected: |
73 // SkDevice overrides. | 76 // SkBaseDevice overrides. |
74 virtual void clear(SkColor color) OVERRIDE; | 77 virtual void clear(SkColor color) OVERRIDE; |
75 virtual void drawPaint(const SkDraw& draw, const SkPaint& paint) OVERRIDE; | 78 virtual void drawPaint(const SkDraw& draw, const SkPaint& paint) OVERRIDE; |
76 virtual void drawPoints(const SkDraw& draw, | 79 virtual void drawPoints(const SkDraw& draw, |
77 SkCanvas::PointMode mode, | 80 SkCanvas::PointMode mode, |
78 size_t count, | 81 size_t count, |
79 const SkPoint points[], | 82 const SkPoint points[], |
80 const SkPaint& paint) OVERRIDE; | 83 const SkPaint& paint) OVERRIDE; |
81 virtual void drawRect(const SkDraw& draw, | 84 virtual void drawRect(const SkDraw& draw, |
82 const SkRect& rect, | 85 const SkRect& rect, |
83 const SkPaint& paint) OVERRIDE; | 86 const SkPaint& paint) OVERRIDE; |
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136 SkCanvas::VertexMode vertex_mode, | 139 SkCanvas::VertexMode vertex_mode, |
137 int vertex_count, | 140 int vertex_count, |
138 const SkPoint verts[], | 141 const SkPoint verts[], |
139 const SkPoint texs[], | 142 const SkPoint texs[], |
140 const SkColor colors[], | 143 const SkColor colors[], |
141 SkXfermode* xmode, | 144 SkXfermode* xmode, |
142 const uint16_t indices[], | 145 const uint16_t indices[], |
143 int index_count, | 146 int index_count, |
144 const SkPaint& paint) OVERRIDE; | 147 const SkPaint& paint) OVERRIDE; |
145 virtual void drawDevice(const SkDraw& draw, | 148 virtual void drawDevice(const SkDraw& draw, |
146 SkDevice* device, | 149 SkBaseDevice* device, |
147 int x, | 150 int x, |
148 int y, | 151 int y, |
149 const SkPaint& paint) OVERRIDE; | 152 const SkPaint& paint) OVERRIDE; |
150 | 153 |
151 private: | 154 private: |
152 typedef SkDevice INHERITED; | 155 typedef SkBitmapDevice INHERITED; |
153 | 156 |
154 bool is_forced_not_solid_; | 157 bool is_forced_not_solid_; |
155 bool is_forced_not_transparent_; | 158 bool is_forced_not_transparent_; |
156 bool is_solid_color_; | 159 bool is_solid_color_; |
157 SkColor color_; | 160 SkColor color_; |
158 bool is_transparent_; | 161 bool is_transparent_; |
159 bool has_text_; | 162 bool has_text_; |
160 }; | 163 }; |
161 | 164 |
162 } // namespace skia | 165 } // namespace skia |
163 | 166 |
164 #endif // SKIA_EXT_ANALYSIS_CANVAS_H_ | 167 #endif // SKIA_EXT_ANALYSIS_CANVAS_H_ |
165 | 168 |
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