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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 GrAARectRenderer_DEFINED | 8 #ifndef GrAARectRenderer_DEFINED |
| 9 #define GrAARectRenderer_DEFINED | 9 #define GrAARectRenderer_DEFINED |
| 10 | 10 |
| 11 #include "SkMatrix.h" | 11 #include "SkMatrix.h" |
| 12 #include "SkRect.h" | 12 #include "SkRect.h" |
| 13 #include "SkRefCnt.h" | 13 #include "SkRefCnt.h" |
| 14 #include "SkStrokeRec.h" | 14 #include "SkStrokeRec.h" |
| 15 | 15 |
| 16 class GrGpu; | 16 class GrGpu; |
| 17 class GrDrawState; |
| 17 class GrDrawTarget; | 18 class GrDrawTarget; |
| 18 class GrIndexBuffer; | 19 class GrIndexBuffer; |
| 19 | 20 |
| 20 /* | 21 /* |
| 21 * This class wraps helper functions that draw AA rects (filled & stroked) | 22 * This class wraps helper functions that draw AA rects (filled & stroked) |
| 22 */ | 23 */ |
| 23 class GrAARectRenderer : public SkRefCnt { | 24 class GrAARectRenderer : public SkRefCnt { |
| 24 public: | 25 public: |
| 25 SK_DECLARE_INST_COUNT(GrAARectRenderer) | 26 SK_DECLARE_INST_COUNT(GrAARectRenderer) |
| 26 | 27 |
| 27 GrAARectRenderer(GrGpu* gpu) | 28 GrAARectRenderer(GrGpu* gpu) |
| 28 : fGpu(gpu) | 29 : fGpu(gpu) |
| 29 , fAAFillRectIndexBuffer(NULL) | 30 , fAAFillRectIndexBuffer(NULL) |
| 30 , fAAMiterStrokeRectIndexBuffer(NULL) | 31 , fAAMiterStrokeRectIndexBuffer(NULL) |
| 31 , fAABevelStrokeRectIndexBuffer(NULL) { | 32 , fAABevelStrokeRectIndexBuffer(NULL) { |
| 32 } | 33 } |
| 33 | 34 |
| 34 void reset(); | 35 void reset(); |
| 35 | 36 |
| 36 ~GrAARectRenderer() { | 37 ~GrAARectRenderer() { |
| 37 this->reset(); | 38 this->reset(); |
| 38 } | 39 } |
| 39 | 40 |
| 40 // TODO: potentialy fuse the fill & stroke methods and differentiate | 41 // TODO: potentialy fuse the fill & stroke methods and differentiate |
| 41 // between them by passing in stroke (==NULL means fill). | 42 // between them by passing in stroke (==NULL means fill). |
| 42 | 43 |
| 43 void fillAARect(GrDrawTarget* target, | 44 void fillAARect(GrDrawTarget* target, |
| 45 GrDrawState* ds, |
| 44 const SkRect& rect, | 46 const SkRect& rect, |
| 45 const SkMatrix& combinedMatrix, | 47 const SkMatrix& combinedMatrix, |
| 46 const SkRect& devRect) { | 48 const SkRect& devRect) { |
| 47 this->geometryFillAARect(target, rect, combinedMatrix, devRect); | 49 this->geometryFillAARect(target, ds, rect, combinedMatrix, devRect); |
| 48 } | 50 } |
| 49 | 51 |
| 50 void strokeAARect(GrDrawTarget* target, | 52 void strokeAARect(GrDrawTarget*, |
| 53 GrDrawState*, |
| 51 const SkRect& rect, | 54 const SkRect& rect, |
| 52 const SkMatrix& combinedMatrix, | 55 const SkMatrix& combinedMatrix, |
| 53 const SkRect& devRect, | 56 const SkRect& devRect, |
| 54 const SkStrokeRec& stroke); | 57 const SkStrokeRec& stroke); |
| 55 | 58 |
| 56 // First rect is outer; second rect is inner | 59 // First rect is outer; second rect is inner |
| 57 void fillAANestedRects(GrDrawTarget* target, | 60 void fillAANestedRects(GrDrawTarget*, |
| 61 GrDrawState*, |
| 58 const SkRect rects[2], | 62 const SkRect rects[2], |
| 59 const SkMatrix& combinedMatrix); | 63 const SkMatrix& combinedMatrix); |
| 60 | 64 |
| 61 private: | 65 private: |
| 62 GrIndexBuffer* aaStrokeRectIndexBuffer(bool miterStroke); | 66 GrIndexBuffer* aaStrokeRectIndexBuffer(bool miterStroke); |
| 63 | 67 |
| 64 void geometryFillAARect(GrDrawTarget* target, | 68 void geometryFillAARect(GrDrawTarget*, |
| 69 GrDrawState*, |
| 65 const SkRect& rect, | 70 const SkRect& rect, |
| 66 const SkMatrix& combinedMatrix, | 71 const SkMatrix& combinedMatrix, |
| 67 const SkRect& devRect); | 72 const SkRect& devRect); |
| 68 | 73 |
| 69 void geometryStrokeAARect(GrDrawTarget* target, | 74 void geometryStrokeAARect(GrDrawTarget*, |
| 75 GrDrawState*, |
| 70 const SkRect& devOutside, | 76 const SkRect& devOutside, |
| 71 const SkRect& devOutsideAssist, | 77 const SkRect& devOutsideAssist, |
| 72 const SkRect& devInside, | 78 const SkRect& devInside, |
| 73 bool miterStroke); | 79 bool miterStroke); |
| 74 | 80 |
| 75 GrGpu* fGpu; | 81 GrGpu* fGpu; |
| 76 GrIndexBuffer* fAAFillRectIndexBuffer; | 82 GrIndexBuffer* fAAFillRectIndexBuffer; |
| 77 GrIndexBuffer* fAAMiterStrokeRectIndexBuffer; | 83 GrIndexBuffer* fAAMiterStrokeRectIndexBuffer; |
| 78 GrIndexBuffer* fAABevelStrokeRectIndexBuffer; | 84 GrIndexBuffer* fAABevelStrokeRectIndexBuffer; |
| 79 | 85 |
| 80 typedef SkRefCnt INHERITED; | 86 typedef SkRefCnt INHERITED; |
| 81 }; | 87 }; |
| 82 | 88 |
| 83 #endif // GrAARectRenderer_DEFINED | 89 #endif // GrAARectRenderer_DEFINED |
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