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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef GrPaint_DEFINED | 10 #ifndef GrPaint_DEFINED |
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60 GrBlendCoeff getSrcBlendCoeff() const { return fSrcBlendCoeff; } | 60 GrBlendCoeff getSrcBlendCoeff() const { return fSrcBlendCoeff; } |
61 GrBlendCoeff getDstBlendCoeff() const { return fDstBlendCoeff; } | 61 GrBlendCoeff getDstBlendCoeff() const { return fDstBlendCoeff; } |
62 | 62 |
63 /** | 63 /** |
64 * The initial color of the drawn primitive. Defaults to solid white. | 64 * The initial color of the drawn primitive. Defaults to solid white. |
65 */ | 65 */ |
66 void setColor(GrColor color) { fColor = color; } | 66 void setColor(GrColor color) { fColor = color; } |
67 GrColor getColor() const { return fColor; } | 67 GrColor getColor() const { return fColor; } |
68 | 68 |
69 /** | 69 /** |
70 * Applies fractional coverage to the entire drawn primitive. Defaults to 0x
ff. | |
71 */ | |
72 void setCoverage(uint8_t coverage) { fCoverage = coverage; } | |
73 uint8_t getCoverage() const { return fCoverage; } | |
74 | |
75 /** | |
76 * Should primitives be anti-aliased or not. Defaults to false. | 70 * Should primitives be anti-aliased or not. Defaults to false. |
77 */ | 71 */ |
78 void setAntiAlias(bool aa) { fAntiAlias = aa; } | 72 void setAntiAlias(bool aa) { fAntiAlias = aa; } |
79 bool isAntiAlias() const { return fAntiAlias; } | 73 bool isAntiAlias() const { return fAntiAlias; } |
80 | 74 |
81 /** | 75 /** |
82 * Should dithering be applied. Defaults to false. | 76 * Should dithering be applied. Defaults to false. |
83 */ | 77 */ |
84 void setDither(bool dither) { fDither = dither; } | 78 void setDither(bool dither) { fDither = dither; } |
85 bool isDither() const { return fDither; } | 79 bool isDither() const { return fDither; } |
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118 const GrFragmentStage& getColorStage(int s) const { return fColorStages[s];
} | 112 const GrFragmentStage& getColorStage(int s) const { return fColorStages[s];
} |
119 const GrFragmentStage& getCoverageStage(int s) const { return fCoverageStage
s[s]; } | 113 const GrFragmentStage& getCoverageStage(int s) const { return fCoverageStage
s[s]; } |
120 | 114 |
121 GrPaint& operator=(const GrPaint& paint) { | 115 GrPaint& operator=(const GrPaint& paint) { |
122 fSrcBlendCoeff = paint.fSrcBlendCoeff; | 116 fSrcBlendCoeff = paint.fSrcBlendCoeff; |
123 fDstBlendCoeff = paint.fDstBlendCoeff; | 117 fDstBlendCoeff = paint.fDstBlendCoeff; |
124 fAntiAlias = paint.fAntiAlias; | 118 fAntiAlias = paint.fAntiAlias; |
125 fDither = paint.fDither; | 119 fDither = paint.fDither; |
126 | 120 |
127 fColor = paint.fColor; | 121 fColor = paint.fColor; |
128 fCoverage = paint.fCoverage; | |
129 | 122 |
130 fColorStages = paint.fColorStages; | 123 fColorStages = paint.fColorStages; |
131 fCoverageStages = paint.fCoverageStages; | 124 fCoverageStages = paint.fCoverageStages; |
132 | 125 |
133 return *this; | 126 return *this; |
134 } | 127 } |
135 | 128 |
136 /** | 129 /** |
137 * Resets the paint to the defaults. | 130 * Resets the paint to the defaults. |
138 */ | 131 */ |
139 void reset() { | 132 void reset() { |
140 this->resetBlend(); | 133 this->resetBlend(); |
141 this->resetOptions(); | 134 this->resetOptions(); |
142 this->resetColor(); | 135 this->resetColor(); |
143 this->resetCoverage(); | |
144 this->resetStages(); | 136 this->resetStages(); |
145 } | 137 } |
146 | 138 |
147 /** | 139 /** |
148 * Determines whether the drawing with this paint is opaque with respect to
both color blending | 140 * Determines whether the drawing with this paint is opaque with respect to
both color blending |
149 * and fractional coverage. It does not consider whether AA has been enabled
on the paint or | 141 * and fractional coverage. It does not consider whether AA has been enabled
on the paint or |
150 * not. Depending upon whether multisampling or coverage-based AA is in use,
AA may make the | 142 * not. Depending upon whether multisampling or coverage-based AA is in use,
AA may make the |
151 * result only apply to the interior of primitives. | 143 * result only apply to the interior of primitives. |
152 * | 144 * |
153 */ | 145 */ |
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207 | 199 |
208 SkSTArray<4, GrFragmentStage> fColorStages; | 200 SkSTArray<4, GrFragmentStage> fColorStages; |
209 SkSTArray<2, GrFragmentStage> fCoverageStages; | 201 SkSTArray<2, GrFragmentStage> fCoverageStages; |
210 | 202 |
211 GrBlendCoeff fSrcBlendCoeff; | 203 GrBlendCoeff fSrcBlendCoeff; |
212 GrBlendCoeff fDstBlendCoeff; | 204 GrBlendCoeff fDstBlendCoeff; |
213 bool fAntiAlias; | 205 bool fAntiAlias; |
214 bool fDither; | 206 bool fDither; |
215 | 207 |
216 GrColor fColor; | 208 GrColor fColor; |
217 uint8_t fCoverage; | |
218 | 209 |
219 void resetBlend() { | 210 void resetBlend() { |
220 fSrcBlendCoeff = kOne_GrBlendCoeff; | 211 fSrcBlendCoeff = kOne_GrBlendCoeff; |
221 fDstBlendCoeff = kZero_GrBlendCoeff; | 212 fDstBlendCoeff = kZero_GrBlendCoeff; |
222 } | 213 } |
223 | 214 |
224 void resetOptions() { | 215 void resetOptions() { |
225 fAntiAlias = false; | 216 fAntiAlias = false; |
226 fDither = false; | 217 fDither = false; |
227 } | 218 } |
228 | 219 |
229 void resetColor() { | 220 void resetColor() { |
230 fColor = GrColorPackRGBA(0xff, 0xff, 0xff, 0xff); | 221 fColor = GrColorPackRGBA(0xff, 0xff, 0xff, 0xff); |
231 } | 222 } |
232 | 223 |
233 void resetCoverage() { | |
234 fCoverage = 0xff; | |
235 } | |
236 | |
237 void resetStages() { | 224 void resetStages() { |
238 fColorStages.reset(); | 225 fColorStages.reset(); |
239 fCoverageStages.reset(); | 226 fCoverageStages.reset(); |
240 } | 227 } |
241 }; | 228 }; |
242 | 229 |
243 #endif | 230 #endif |
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