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Side by Side Diff: include/core/SkPatch.h

Issue 429343004: Stopped skipping tests in dm of SkPatch (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Dumped corners and colors and used enum for 12's and 4's Created 6 years, 4 months ago
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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 SkPatch_DEFINED 8 #ifndef SkPatch_DEFINED
9 #define SkPatch_DEFINED 9 #define SkPatch_DEFINED
10 10
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after
70 }; 70 };
71 71
72 // Enum for corner colors also clockwise. 72 // Enum for corner colors also clockwise.
73 enum CornerColors { 73 enum CornerColors {
74 kTopLeft_CornerColors = 0, 74 kTopLeft_CornerColors = 0,
75 kTopRight_CornerColors, 75 kTopRight_CornerColors,
76 kBottomRight_CornerColors, 76 kBottomRight_CornerColors,
77 kBottomLeft_CornerColors 77 kBottomLeft_CornerColors
78 }; 78 };
79 79
80 enum {
81 kNumCtrlPts = 12,
82 kNumColors = 4,
83 kNumPtsCubic = 4
84 };
85
80 /** 86 /**
81 * Points are in the following order: 87 * Points are in the following order:
82 * (top curve) 88 * (top curve)
83 * 0 1 2 3 89 * 0 1 2 3
84 * (left curve) 11 4 (right curve) 90 * (left curve) 11 4 (right curve)
85 * 10 5 91 * 10 5
86 * 9 8 7 6 92 * 9 8 7 6
87 * (bottom curve) 93 * (bottom curve)
88 */ 94 */
89 SkPatch(SkPoint points[12], SkColor colors[4]); 95 SkPatch() { }
96 SkPatch(const SkPoint points[kNumCtrlPts], const SkColor colors[kNumColors]) ;
90 97
91 /** 98 /**
92 * Function that evaluates the coons patch interpolation. 99 * Function that evaluates the coons patch interpolation.
93 * data refers to the pointer of the PatchData struct in which the tessellat ion data is set. 100 * data refers to the pointer of the PatchData struct in which the tessellat ion data is set.
94 * lod refers the level of detail for each axis. 101 * lod refers the level of detail for each axis.
95 */ 102 */
96 bool getVertexData(SkPatch::VertexData* data, int lodX, int lodY) const; 103 bool getVertexData(SkPatch::VertexData* data, int lodX, int lodY) const;
97 104
98 void getTopPoints(SkPoint points[4]) const { 105 void getTopPoints(SkPoint points[kNumPtsCubic]) const {
99 points[0] = fCtrlPoints[kTopP0_CubicCtrlPts]; 106 points[0] = fCtrlPoints[kTopP0_CubicCtrlPts];
100 points[1] = fCtrlPoints[kTopP1_CubicCtrlPts]; 107 points[1] = fCtrlPoints[kTopP1_CubicCtrlPts];
101 points[2] = fCtrlPoints[kTopP2_CubicCtrlPts]; 108 points[2] = fCtrlPoints[kTopP2_CubicCtrlPts];
102 points[3] = fCtrlPoints[kTopP3_CubicCtrlPts]; 109 points[3] = fCtrlPoints[kTopP3_CubicCtrlPts];
103 } 110 }
104 111
105 void getBottomPoints(SkPoint points[4]) const { 112 void getBottomPoints(SkPoint points[kNumPtsCubic]) const {
106 points[0] = fCtrlPoints[kBottomP0_CubicCtrlPts]; 113 points[0] = fCtrlPoints[kBottomP0_CubicCtrlPts];
107 points[1] = fCtrlPoints[kBottomP1_CubicCtrlPts]; 114 points[1] = fCtrlPoints[kBottomP1_CubicCtrlPts];
108 points[2] = fCtrlPoints[kBottomP2_CubicCtrlPts]; 115 points[2] = fCtrlPoints[kBottomP2_CubicCtrlPts];
109 points[3] = fCtrlPoints[kBottomP3_CubicCtrlPts]; 116 points[3] = fCtrlPoints[kBottomP3_CubicCtrlPts];
110 } 117 }
111 118
112 void getLeftPoints(SkPoint points[4]) const { 119 void getLeftPoints(SkPoint points[kNumPtsCubic]) const {
113 points[0] = fCtrlPoints[kLeftP0_CubicCtrlPts]; 120 points[0] = fCtrlPoints[kLeftP0_CubicCtrlPts];
114 points[1] = fCtrlPoints[kLeftP1_CubicCtrlPts]; 121 points[1] = fCtrlPoints[kLeftP1_CubicCtrlPts];
115 points[2] = fCtrlPoints[kLeftP2_CubicCtrlPts]; 122 points[2] = fCtrlPoints[kLeftP2_CubicCtrlPts];
116 points[3] = fCtrlPoints[kLeftP3_CubicCtrlPts]; 123 points[3] = fCtrlPoints[kLeftP3_CubicCtrlPts];
117 } 124 }
118 125
119 void getRightPoints(SkPoint points[4]) const { 126 void getRightPoints(SkPoint points[kNumPtsCubic]) const {
120 points[0] = fCtrlPoints[kRightP0_CubicCtrlPts]; 127 points[0] = fCtrlPoints[kRightP0_CubicCtrlPts];
121 points[1] = fCtrlPoints[kRightP1_CubicCtrlPts]; 128 points[1] = fCtrlPoints[kRightP1_CubicCtrlPts];
122 points[2] = fCtrlPoints[kRightP2_CubicCtrlPts]; 129 points[2] = fCtrlPoints[kRightP2_CubicCtrlPts];
123 points[3] = fCtrlPoints[kRightP3_CubicCtrlPts]; 130 points[3] = fCtrlPoints[kRightP3_CubicCtrlPts];
124 } 131 }
125 132
robertphillips 2014/08/05 12:44:45 Not sure about this use of kNumPtsCubic. This coul
dandov 2014/08/05 14:27:11 Done.
126 void getCornerPoints(SkPoint points[4]) const { 133 void getCornerPoints(SkPoint points[kNumPtsCubic]) const {
127 points[0] = fCtrlPoints[kTopP0_CubicCtrlPts]; 134 points[0] = fCtrlPoints[kTopP0_CubicCtrlPts];
128 points[1] = fCtrlPoints[kTopP3_CubicCtrlPts]; 135 points[1] = fCtrlPoints[kTopP3_CubicCtrlPts];
129 points[2] = fCtrlPoints[kBottomP3_CubicCtrlPts]; 136 points[2] = fCtrlPoints[kBottomP3_CubicCtrlPts];
130 points[3] = fCtrlPoints[kBottomP0_CubicCtrlPts]; 137 points[3] = fCtrlPoints[kBottomP0_CubicCtrlPts];
131 } 138 }
132 139
133 const SkPoint* getControlPoints() const { 140 const SkPoint* getControlPoints() const {
134 return fCtrlPoints; 141 return fCtrlPoints;
135 } 142 }
136 143
137 const SkColor* getColors() const { 144 const SkColor* getColors() const {
138 return fCornerColors; 145 return fCornerColors;
139 } 146 }
140 147
148 void setPoints(const SkPoint points[kNumCtrlPts]) {
149 memcpy(fCtrlPoints, points, kNumCtrlPts * sizeof(SkPoint));
150
151 }
152
153 void setColors(const SkColor colors[kNumColors]) {
154 memcpy(fCornerColors, colors, kNumColors * sizeof(SkColor));
155 }
156
157 void reset(const SkPoint points[kNumCtrlPts], const SkColor colors[kNumColor s]) {
158 this->setPoints(points);
159 this->setColors(colors);
160 }
161
162 /**
163 * Write the patch to the buffer, and return the number of bytes written.
164 * If buffer is NULL, it still returns the number of bytes.
165 */
166 size_t writeToMemory(void* buffer) const;
167
168 /**
169 * Initializes the patch from the buffer
170 *
171 * buffer Memory to read from
172 * length Amount of memory available in the buffer
robertphillips 2014/08/05 12:44:45 Add a "Returns" before "number" ?
dandov 2014/08/05 14:27:11 Done.
173 * number of bytes read (must be a multiple of 4) or
174 * 0 if there was not enough memory available
175 */
176 size_t readFromMemory(const void* buffer, size_t length);
177
141 private: 178 private:
142 SkPoint fCtrlPoints[12]; 179 SkPoint fCtrlPoints[kNumCtrlPts];
143 SkColor fCornerColors[4]; 180 SkColor fCornerColors[kNumColors];
144 }; 181 };
145 182
146 #endif 183 #endif
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