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Side by Side Diff: skia/ext/analysis_canvas.h

Issue 418093003: skia/ext: Early out from analysis when we have more than 1 draw op. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: added a todo Created 6 years, 4 months ago
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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/SkCanvas.h" 9 #include "third_party/skia/include/core/SkCanvas.h"
10 #include "third_party/skia/include/core/SkPicture.h" 10 #include "third_party/skia/include/core/SkPicture.h"
11 11
12 namespace skia { 12 namespace skia {
13 13
14 // Does not render anything, but gathers statistics about a region 14 // Does not render anything, but gathers statistics about a region
15 // (specified as a clip rectangle) of an SkPicture as the picture is 15 // (specified as a clip rectangle) of an SkPicture as the picture is
16 // played back through it. 16 // played back through it.
17 // To use: play a picture into the canvas, and then check result. 17 // To use: play a picture into the canvas, and then check result.
18 class SK_API AnalysisCanvas : public SkCanvas, public SkDrawPictureCallback { 18 class SK_API AnalysisCanvas : public SkCanvas, public SkDrawPictureCallback {
19 public: 19 public:
20 AnalysisCanvas(int width, int height); 20 AnalysisCanvas(int width, int height);
21 virtual ~AnalysisCanvas(); 21 virtual ~AnalysisCanvas();
22 22
23 // Returns true when a SkColor can be used to represent result. 23 // Returns true when a SkColor can be used to represent result.
24 bool GetColorIfSolid(SkColor* color) const; 24 bool GetColorIfSolid(SkColor* color) const;
25 bool HasText() const;
26 25
27 void SetForceNotSolid(bool flag); 26 void SetForceNotSolid(bool flag);
28 void SetForceNotTransparent(bool flag); 27 void SetForceNotTransparent(bool flag);
29 28
30 // SkDrawPictureCallback override. 29 // SkDrawPictureCallback override.
31 virtual bool abortDrawing() OVERRIDE; 30 virtual bool abortDrawing() OVERRIDE;
32 31
33 // SkCanvas overrides. 32 // SkCanvas overrides.
34 virtual void clear(SkColor) OVERRIDE; 33 virtual void clear(SkColor) OVERRIDE;
35 virtual void drawPaint(const SkPaint& paint) OVERRIDE; 34 virtual void drawPaint(const SkPaint& paint) OVERRIDE;
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114 113
115 int saved_stack_size_; 114 int saved_stack_size_;
116 int force_not_solid_stack_level_; 115 int force_not_solid_stack_level_;
117 int force_not_transparent_stack_level_; 116 int force_not_transparent_stack_level_;
118 117
119 bool is_forced_not_solid_; 118 bool is_forced_not_solid_;
120 bool is_forced_not_transparent_; 119 bool is_forced_not_transparent_;
121 bool is_solid_color_; 120 bool is_solid_color_;
122 SkColor color_; 121 SkColor color_;
123 bool is_transparent_; 122 bool is_transparent_;
124 bool has_text_; 123 int draw_op_count_;
125 }; 124 };
126 125
127 } // namespace skia 126 } // namespace skia
128 127
129 #endif // SKIA_EXT_ANALYSIS_CANVAS_H_ 128 #endif // SKIA_EXT_ANALYSIS_CANVAS_H_
130 129
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