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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_GFX_CANVAS_H_ | 5 #ifndef UI_GFX_CANVAS_H_ |
6 #define UI_GFX_CANVAS_H_ | 6 #define UI_GFX_CANVAS_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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31 // All methods that take integer arguments (as is used throughout views) | 31 // All methods that take integer arguments (as is used throughout views) |
32 // end with Int. If you need to use methods provided by SkCanvas, you'll | 32 // end with Int. If you need to use methods provided by SkCanvas, you'll |
33 // need to do a conversion. In particular you'll need to use |SkIntToScalar()|, | 33 // need to do a conversion. In particular you'll need to use |SkIntToScalar()|, |
34 // or if converting from a scalar to an integer |SkScalarRound()|. | 34 // or if converting from a scalar to an integer |SkScalarRound()|. |
35 // | 35 // |
36 // A handful of methods in this class are overloaded providing an additional | 36 // A handful of methods in this class are overloaded providing an additional |
37 // argument of type SkXfermode::Mode. SkXfermode::Mode specifies how the | 37 // argument of type SkXfermode::Mode. SkXfermode::Mode specifies how the |
38 // source and destination colors are combined. Unless otherwise specified, | 38 // source and destination colors are combined. Unless otherwise specified, |
39 // the variant that does not take a SkXfermode::Mode uses a transfer mode | 39 // the variant that does not take a SkXfermode::Mode uses a transfer mode |
40 // of kSrcOver_Mode. | 40 // of kSrcOver_Mode. |
41 class UI_EXPORT Canvas { | 41 class GFX_EXPORT Canvas { |
42 public: | 42 public: |
43 enum TruncateFadeMode { | 43 enum TruncateFadeMode { |
44 TruncateFadeTail, | 44 TruncateFadeTail, |
45 TruncateFadeHead, | 45 TruncateFadeHead, |
46 TruncateFadeHeadAndTail, | 46 TruncateFadeHeadAndTail, |
47 }; | 47 }; |
48 | 48 |
49 // Specifies the alignment for text rendered with the DrawStringInt method. | 49 // Specifies the alignment for text rendered with the DrawStringInt method. |
50 enum { | 50 enum { |
51 TEXT_ALIGN_LEFT = 1 << 0, | 51 TEXT_ALIGN_LEFT = 1 << 0, |
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478 | 478 |
479 skia::RefPtr<skia::PlatformCanvas> owned_canvas_; | 479 skia::RefPtr<skia::PlatformCanvas> owned_canvas_; |
480 SkCanvas* canvas_; | 480 SkCanvas* canvas_; |
481 | 481 |
482 DISALLOW_COPY_AND_ASSIGN(Canvas); | 482 DISALLOW_COPY_AND_ASSIGN(Canvas); |
483 }; | 483 }; |
484 | 484 |
485 } // namespace gfx | 485 } // namespace gfx |
486 | 486 |
487 #endif // UI_GFX_CANVAS_H_ | 487 #endif // UI_GFX_CANVAS_H_ |
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