| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 GrPathRendering_DEFINED | 8 #ifndef GrPathRendering_DEFINED |
| 9 #define GrPathRendering_DEFINED | 9 #define GrPathRendering_DEFINED |
| 10 | 10 |
| (...skipping 16 matching lines...) Expand all Loading... |
| 27 * API state. Similar to GrGpu. | 27 * API state. Similar to GrGpu. |
| 28 * | 28 * |
| 29 * It is expected that the lifetimes of GrGpuXX and GrXXPathRendering are the sa
me. The call context | 29 * It is expected that the lifetimes of GrGpuXX and GrXXPathRendering are the sa
me. The call context |
| 30 * interface (eg. * the concrete instance of GrGpu subclass) should be provided
to the instance | 30 * interface (eg. * the concrete instance of GrGpu subclass) should be provided
to the instance |
| 31 * during construction. | 31 * during construction. |
| 32 */ | 32 */ |
| 33 class GrPathRendering { | 33 class GrPathRendering { |
| 34 public: | 34 public: |
| 35 virtual ~GrPathRendering() { } | 35 virtual ~GrPathRendering() { } |
| 36 | 36 |
| 37 // No native support for inverse at this time | 37 typedef GrPathRange::PathIndexType PathIndexType; |
| 38 enum FillType { | |
| 39 /** Specifies that "inside" is computed by a non-zero sum of signed | |
| 40 edge crossings | |
| 41 */ | |
| 42 kWinding_FillType, | |
| 43 /** Specifies that "inside" is computed by an odd number of edge | |
| 44 crossings | |
| 45 */ | |
| 46 kEvenOdd_FillType, | |
| 47 }; | |
| 48 | 38 |
| 49 enum PathTransformType { | 39 enum PathTransformType { |
| 50 kNone_PathTransformType, //!< [] | 40 kNone_PathTransformType, //!< [] |
| 51 kTranslateX_PathTransformType, //!< [kMTransX] | 41 kTranslateX_PathTransformType, //!< [kMTransX] |
| 52 kTranslateY_PathTransformType, //!< [kMTransY] | 42 kTranslateY_PathTransformType, //!< [kMTransY] |
| 53 kTranslate_PathTransformType, //!< [kMTransX, kMTransY] | 43 kTranslate_PathTransformType, //!< [kMTransX, kMTransY] |
| 54 kAffine_PathTransformType, //!< [kMScaleX, kMSkewX, kMTransX, kMSke
wY, kMScaleY, kMTransY] | 44 kAffine_PathTransformType, //!< [kMScaleX, kMSkewX, kMTransX, kMSke
wY, kMScaleY, kMTransY] |
| 55 | 45 |
| 56 kLast_PathTransformType = kAffine_PathTransformType | 46 kLast_PathTransformType = kAffine_PathTransformType |
| 57 }; | 47 }; |
| 58 | 48 |
| 59 static inline int PathTransformSize(PathTransformType type) { | 49 static inline int PathTransformSize(PathTransformType type) { |
| 60 switch (type) { | 50 switch (type) { |
| 61 case kNone_PathTransformType: | 51 case kNone_PathTransformType: |
| 62 return 0; | 52 return 0; |
| 63 case kTranslateX_PathTransformType: | 53 case kTranslateX_PathTransformType: |
| 64 case kTranslateY_PathTransformType: | 54 case kTranslateY_PathTransformType: |
| 65 return 1; | 55 return 1; |
| 66 case kTranslate_PathTransformType: | 56 case kTranslate_PathTransformType: |
| 67 return 2; | 57 return 2; |
| 68 case kAffine_PathTransformType: | 58 case kAffine_PathTransformType: |
| 69 return 6; | 59 return 6; |
| 70 | 60 |
| 71 default: | 61 default: |
| 72 SkFAIL("Unknown path transform type"); | 62 SkFAIL("Unknown path transform type"); |
| 73 return 0; | 63 return 0; |
| 74 } | 64 } |
| 75 } | 65 } |
| 76 | 66 |
| 67 // No native support for inverse at this time |
| 68 enum FillType { |
| 69 /** Specifies that "inside" is computed by a non-zero sum of signed |
| 70 edge crossings |
| 71 */ |
| 72 kWinding_FillType, |
| 73 /** Specifies that "inside" is computed by an odd number of edge |
| 74 crossings |
| 75 */ |
| 76 kEvenOdd_FillType, |
| 77 }; |
| 78 |
| 77 /** | 79 /** |
| 78 * Creates a new gpu path, based on the specified path and stroke and return
s it. | 80 * Creates a new gpu path, based on the specified path and stroke and return
s it. |
| 79 * The caller owns a ref on the returned path which must be balanced by a ca
ll to unref. | 81 * The caller owns a ref on the returned path which must be balanced by a ca
ll to unref. |
| 80 * | 82 * |
| 81 * @param skPath the path geometry. | 83 * @param skPath the path geometry. |
| 82 * @param stroke the path stroke. | 84 * @param stroke the path stroke. |
| 83 * @return a new path. | 85 * @return a new path. |
| 84 */ | 86 */ |
| 85 virtual GrPath* createPath(const SkPath&, const SkStrokeRec&) = 0; | 87 virtual GrPath* createPath(const SkPath&, const SkStrokeRec&) = 0; |
| 86 | 88 |
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| 119 * if the glyph outlines contain baked-in strokes from t
he font | 121 * if the glyph outlines contain baked-in strokes from t
he font |
| 120 * descriptor, the GPU stroke will be applied on top of
those | 122 * descriptor, the GPU stroke will be applied on top of
those |
| 121 * outlines. | 123 * outlines. |
| 122 * | 124 * |
| 123 * @return a new path range populated with glyphs. | 125 * @return a new path range populated with glyphs. |
| 124 */ | 126 */ |
| 125 virtual GrPathRange* createGlyphs(const SkTypeface*, const SkDescriptor*, co
nst SkStrokeRec&) = 0; | 127 virtual GrPathRange* createGlyphs(const SkTypeface*, const SkDescriptor*, co
nst SkStrokeRec&) = 0; |
| 126 | 128 |
| 127 virtual void stencilPath(const GrPath*, const GrStencilSettings&) = 0; | 129 virtual void stencilPath(const GrPath*, const GrStencilSettings&) = 0; |
| 128 virtual void drawPath(const GrPath*, const GrStencilSettings&) = 0; | 130 virtual void drawPath(const GrPath*, const GrStencilSettings&) = 0; |
| 129 virtual void drawPaths(const GrPathRange*, const uint32_t indices[], int cou
nt, | 131 virtual void drawPaths(const GrPathRange*, const void* indices, PathIndexTyp
e, |
| 130 const float transforms[], PathTransformType, | 132 const float transformValues[], PathTransformType, int
count, |
| 131 const GrStencilSettings&) = 0; | 133 const GrStencilSettings&) = 0; |
| 132 protected: | 134 protected: |
| 133 GrPathRendering() { } | 135 GrPathRendering() { } |
| 134 | 136 |
| 135 private: | 137 private: |
| 136 GrPathRendering& operator=(const GrPathRendering&); | 138 GrPathRendering& operator=(const GrPathRendering&); |
| 137 }; | 139 }; |
| 138 | 140 |
| 139 #endif | 141 #endif |
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