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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrSWMaskHelper_DEFINED | 8 #ifndef GrSWMaskHelper_DEFINED |
9 #define GrSWMaskHelper_DEFINED | 9 #define GrSWMaskHelper_DEFINED |
10 | 10 |
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41 class GrSWMaskHelper : public SkNoncopyable { | 41 class GrSWMaskHelper : public SkNoncopyable { |
42 public: | 42 public: |
43 GrSWMaskHelper(GrContext* context) | 43 GrSWMaskHelper(GrContext* context) |
44 : fContext(context) { | 44 : fContext(context) { |
45 } | 45 } |
46 | 46 |
47 // set up the internal state in preparation for draws. Since many masks | 47 // set up the internal state in preparation for draws. Since many masks |
48 // may be accumulated in the helper during creation, "resultBounds" | 48 // may be accumulated in the helper during creation, "resultBounds" |
49 // allows the caller to specify the region of interest - to limit the | 49 // allows the caller to specify the region of interest - to limit the |
50 // amount of work. | 50 // amount of work. |
51 bool init(const SkIRect& resultBounds, const SkMatrix* matrix, | 51 bool init(const SkIRect& resultBounds, const SkMatrix* matrix); |
52 bool zeroPixels = true); | |
53 | 52 |
54 // Draw a single rect into the accumulation bitmap using the specified op | 53 // Draw a single rect into the accumulation bitmap using the specified op |
55 void draw(const SkRect& rect, SkRegion::Op op, | 54 void draw(const SkRect& rect, SkRegion::Op op, |
56 bool antiAlias, uint8_t alpha); | 55 bool antiAlias, uint8_t alpha); |
57 | 56 |
58 // Draw a single path into the accumuation bitmap using the specified op | 57 // Draw a single path into the accumuation bitmap using the specified op |
59 void draw(const SkPath& path, const SkStrokeRec& stroke, SkRegion::Op op, | 58 void draw(const SkPath& path, const SkStrokeRec& stroke, SkRegion::Op op, |
60 bool antiAlias, uint8_t alpha); | 59 bool antiAlias, uint8_t alpha); |
61 | 60 |
62 // Helper function to get a scratch texture suitable for capturing the | 61 // Helper function to get a scratch texture suitable for capturing the |
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99 GrContext* fContext; | 98 GrContext* fContext; |
100 SkMatrix fMatrix; | 99 SkMatrix fMatrix; |
101 SkBitmap fBM; | 100 SkBitmap fBM; |
102 SkDraw fDraw; | 101 SkDraw fDraw; |
103 SkRasterClip fRasterClip; | 102 SkRasterClip fRasterClip; |
104 | 103 |
105 typedef SkNoncopyable INHERITED; | 104 typedef SkNoncopyable INHERITED; |
106 }; | 105 }; |
107 | 106 |
108 #endif // GrSWMaskHelper_DEFINED | 107 #endif // GrSWMaskHelper_DEFINED |
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