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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 |
| 11 #include "GrColor.h" | 11 #include "GrColor.h" |
| 12 #include "SkMatrix.h" | 12 #include "GrDrawState.h" |
| 13 #include "GrNoncopyable.h" | |
| 14 #include "SkBitmap.h" | 13 #include "SkBitmap.h" |
| 15 #include "SkDraw.h" | 14 #include "SkDraw.h" |
| 15 #include "SkMatrix.h" |
| 16 #include "SkRasterClip.h" | 16 #include "SkRasterClip.h" |
| 17 #include "SkRegion.h" | 17 #include "SkRegion.h" |
| 18 #include "GrDrawState.h" | 18 #include "SkTypes.h" |
| 19 | 19 |
| 20 class GrAutoScratchTexture; | 20 class GrAutoScratchTexture; |
| 21 class GrContext; | 21 class GrContext; |
| 22 class GrTexture; | 22 class GrTexture; |
| 23 class SkPath; | 23 class SkPath; |
| 24 class SkStrokeRec; | 24 class SkStrokeRec; |
| 25 class GrDrawTarget; | 25 class GrDrawTarget; |
| 26 | 26 |
| 27 /** | 27 /** |
| 28 * The GrSWMaskHelper helps generate clip masks using the software rendering | 28 * The GrSWMaskHelper helps generate clip masks using the software rendering |
| 29 * path. It is intended to be used as: | 29 * path. It is intended to be used as: |
| 30 * | 30 * |
| 31 * GrSWMaskHelper helper(context); | 31 * GrSWMaskHelper helper(context); |
| 32 * helper.init(...); | 32 * helper.init(...); |
| 33 * | 33 * |
| 34 * draw one or more paths/rects specifying the required boolean ops | 34 * draw one or more paths/rects specifying the required boolean ops |
| 35 * | 35 * |
| 36 * toTexture(); // to get it from the internal bitmap to the GPU | 36 * toTexture(); // to get it from the internal bitmap to the GPU |
| 37 * | 37 * |
| 38 * The result of this process will be the final mask (on the GPU) in the | 38 * The result of this process will be the final mask (on the GPU) in the |
| 39 * upper left hand corner of the texture. | 39 * upper left hand corner of the texture. |
| 40 */ | 40 */ |
| 41 class GrSWMaskHelper : public GrNoncopyable { | 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); |
| (...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 94 const SkIRect& rect); | 94 const SkIRect& rect); |
| 95 | 95 |
| 96 protected: | 96 protected: |
| 97 private: | 97 private: |
| 98 GrContext* fContext; | 98 GrContext* fContext; |
| 99 SkMatrix fMatrix; | 99 SkMatrix fMatrix; |
| 100 SkBitmap fBM; | 100 SkBitmap fBM; |
| 101 SkDraw fDraw; | 101 SkDraw fDraw; |
| 102 SkRasterClip fRasterClip; | 102 SkRasterClip fRasterClip; |
| 103 | 103 |
| 104 typedef GrNoncopyable INHERITED; | 104 typedef SkNoncopyable INHERITED; |
| 105 }; | 105 }; |
| 106 | 106 |
| 107 #endif // GrSWMaskHelper_DEFINED | 107 #endif // GrSWMaskHelper_DEFINED |
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