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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 #include "SkData.h" | 8 #include "SkData.h" |
9 #include "SkOncePtr.h" | 9 #include "SkOncePtr.h" |
10 #include "SkPDFCanon.h" | 10 #include "SkPDFCanon.h" |
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122 return SkRef(const_cast<SkPDFGraphicState*>(canonGS)); | 122 return SkRef(const_cast<SkPDFGraphicState*>(canonGS)); |
123 } | 123 } |
124 SkPDFGraphicState* pdfGraphicState = new SkPDFGraphicState(paint); | 124 SkPDFGraphicState* pdfGraphicState = new SkPDFGraphicState(paint); |
125 canon->addGraphicState(pdfGraphicState); | 125 canon->addGraphicState(pdfGraphicState); |
126 return pdfGraphicState; | 126 return pdfGraphicState; |
127 } | 127 } |
128 | 128 |
129 static SkPDFObject* create_invert_function() { | 129 static SkPDFObject* create_invert_function() { |
130 // Acrobat crashes if we use a type 0 function, kpdf crashes if we use | 130 // Acrobat crashes if we use a type 0 function, kpdf crashes if we use |
131 // a type 2 function, so we use a type 4 function. | 131 // a type 2 function, so we use a type 4 function. |
132 SkAutoTUnref<SkPDFArray> domainAndRange(new SkPDFArray); | 132 sk_sp<SkPDFArray> domainAndRange(new SkPDFArray); |
133 domainAndRange->reserve(2); | 133 domainAndRange->reserve(2); |
134 domainAndRange->appendInt(0); | 134 domainAndRange->appendInt(0); |
135 domainAndRange->appendInt(1); | 135 domainAndRange->appendInt(1); |
136 | 136 |
137 static const char psInvert[] = "{1 exch sub}"; | 137 static const char psInvert[] = "{1 exch sub}"; |
138 // Do not copy the trailing '\0' into the SkData. | 138 // Do not copy the trailing '\0' into the SkData. |
139 SkAutoTUnref<SkData> psInvertStream( | 139 sk_sp<SkData> psInvertStream( |
140 SkData::NewWithoutCopy(psInvert, strlen(psInvert))); | 140 SkData::NewWithoutCopy(psInvert, strlen(psInvert))); |
141 | 141 |
142 SkAutoTUnref<SkPDFStream> invertFunction(new SkPDFStream(psInvertStream.get(
))); | 142 sk_sp<SkPDFStream> invertFunction(new SkPDFStream(psInvertStream.get())); |
143 invertFunction->insertInt("FunctionType", 4); | 143 invertFunction->insertInt("FunctionType", 4); |
144 invertFunction->insertObject("Domain", SkRef(domainAndRange.get())); | 144 invertFunction->insertObject("Domain", SkRef(domainAndRange.get())); |
145 invertFunction->insertObject("Range", domainAndRange.release()); | 145 invertFunction->insertObject("Range", domainAndRange.release()); |
146 return invertFunction.release(); | 146 return invertFunction.release(); |
147 } | 147 } |
148 | 148 |
149 SK_DECLARE_STATIC_ONCE_PTR(SkPDFObject, invertFunction); | 149 SK_DECLARE_STATIC_ONCE_PTR(SkPDFObject, invertFunction); |
150 | 150 |
151 // static | 151 // static |
152 SkPDFDict* SkPDFGraphicState::GetSMaskGraphicState(SkPDFFormXObject* sMask, | 152 SkPDFDict* SkPDFGraphicState::GetSMaskGraphicState(SkPDFFormXObject* sMask, |
153 bool invert, | 153 bool invert, |
154 SkPDFSMaskMode sMaskMode) { | 154 SkPDFSMaskMode sMaskMode) { |
155 // The practical chances of using the same mask more than once are unlikely | 155 // The practical chances of using the same mask more than once are unlikely |
156 // enough that it's not worth canonicalizing. | 156 // enough that it's not worth canonicalizing. |
157 SkAutoTUnref<SkPDFDict> sMaskDict(new SkPDFDict("Mask")); | 157 sk_sp<SkPDFDict> sMaskDict(new SkPDFDict("Mask")); |
158 if (sMaskMode == kAlpha_SMaskMode) { | 158 if (sMaskMode == kAlpha_SMaskMode) { |
159 sMaskDict->insertName("S", "Alpha"); | 159 sMaskDict->insertName("S", "Alpha"); |
160 } else if (sMaskMode == kLuminosity_SMaskMode) { | 160 } else if (sMaskMode == kLuminosity_SMaskMode) { |
161 sMaskDict->insertName("S", "Luminosity"); | 161 sMaskDict->insertName("S", "Luminosity"); |
162 } | 162 } |
163 sMaskDict->insertObjRef("G", SkRef(sMask)); | 163 sMaskDict->insertObjRef("G", SkRef(sMask)); |
164 if (invert) { | 164 if (invert) { |
165 sMaskDict->insertObjRef("TR", SkRef(invertFunction.get(create_invert_fun
ction))); | 165 sMaskDict->insertObjRef("TR", SkRef(invertFunction.get(create_invert_fun
ction))); |
166 } | 166 } |
167 | 167 |
168 SkAutoTUnref<SkPDFDict> result(new SkPDFDict("ExtGState")); | 168 sk_sp<SkPDFDict> result(new SkPDFDict("ExtGState")); |
169 result->insertObject("SMask", sMaskDict.release()); | 169 result->insertObject("SMask", sMaskDict.release()); |
170 return result.release(); | 170 return result.release(); |
171 } | 171 } |
172 | 172 |
173 static SkPDFDict* create_no_smask_graphic_state() { | 173 static SkPDFDict* create_no_smask_graphic_state() { |
174 SkPDFDict* noSMaskGS = new SkPDFDict("ExtGState"); | 174 SkPDFDict* noSMaskGS = new SkPDFDict("ExtGState"); |
175 noSMaskGS->insertName("SMask", "None"); | 175 noSMaskGS->insertName("SMask", "None"); |
176 return noSMaskGS; | 176 return noSMaskGS; |
177 } | 177 } |
178 SK_DECLARE_STATIC_ONCE_PTR(SkPDFDict, noSMaskGraphicState); | 178 SK_DECLARE_STATIC_ONCE_PTR(SkPDFDict, noSMaskGraphicState); |
179 | 179 |
180 // static | 180 // static |
181 SkPDFDict* SkPDFGraphicState::GetNoSMaskGraphicState() { | 181 SkPDFDict* SkPDFGraphicState::GetNoSMaskGraphicState() { |
182 return SkRef(noSMaskGraphicState.get(create_no_smask_graphic_state)); | 182 return SkRef(noSMaskGraphicState.get(create_no_smask_graphic_state)); |
183 } | 183 } |
184 | 184 |
185 void SkPDFGraphicState::emitObject( | 185 void SkPDFGraphicState::emitObject( |
186 SkWStream* stream, | 186 SkWStream* stream, |
187 const SkPDFObjNumMap& objNumMap, | 187 const SkPDFObjNumMap& objNumMap, |
188 const SkPDFSubstituteMap& substitutes) const { | 188 const SkPDFSubstituteMap& substitutes) const { |
189 SkAutoTUnref<SkPDFDict> dict(new SkPDFDict("ExtGState")); | 189 sk_sp<SkPDFDict> dict(new SkPDFDict("ExtGState")); |
190 dict->insertName("Type", "ExtGState"); | 190 dict->insertName("Type", "ExtGState"); |
191 | 191 |
192 SkScalar alpha = SkIntToScalar(fAlpha) / 0xFF; | 192 SkScalar alpha = SkIntToScalar(fAlpha) / 0xFF; |
193 dict->insertScalar("CA", alpha); | 193 dict->insertScalar("CA", alpha); |
194 dict->insertScalar("ca", alpha); | 194 dict->insertScalar("ca", alpha); |
195 | 195 |
196 SkPaint::Cap strokeCap = (SkPaint::Cap)fStrokeCap; | 196 SkPaint::Cap strokeCap = (SkPaint::Cap)fStrokeCap; |
197 SkPaint::Join strokeJoin = (SkPaint::Join)fStrokeJoin; | 197 SkPaint::Join strokeJoin = (SkPaint::Join)fStrokeJoin; |
198 SkXfermode::Mode xferMode = (SkXfermode::Mode)fMode; | 198 SkXfermode::Mode xferMode = (SkXfermode::Mode)fMode; |
199 | 199 |
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210 static_assert(SkPaint::kJoinCount == 3, "paint_join_mismatch"); | 210 static_assert(SkPaint::kJoinCount == 3, "paint_join_mismatch"); |
211 SkASSERT(strokeJoin >= 0 && strokeJoin <= 2); | 211 SkASSERT(strokeJoin >= 0 && strokeJoin <= 2); |
212 dict->insertInt("LJ", strokeJoin); | 212 dict->insertInt("LJ", strokeJoin); |
213 | 213 |
214 dict->insertScalar("LW", fStrokeWidth); | 214 dict->insertScalar("LW", fStrokeWidth); |
215 dict->insertScalar("ML", fStrokeMiter); | 215 dict->insertScalar("ML", fStrokeMiter); |
216 dict->insertBool("SA", true); // SA = Auto stroke adjustment. | 216 dict->insertBool("SA", true); // SA = Auto stroke adjustment. |
217 dict->insertName("BM", as_blend_mode(xferMode)); | 217 dict->insertName("BM", as_blend_mode(xferMode)); |
218 dict->emitObject(stream, objNumMap, substitutes); | 218 dict->emitObject(stream, objNumMap, substitutes); |
219 } | 219 } |
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