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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2010 The Android Open Source Project | 3 * Copyright 2010 The Android Open Source Project |
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 #include "SkPDFCatalog.h" | 10 #include "SkPDFCatalog.h" |
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31 SkASSERT(fNextFirstPageObjNum == 0); | 31 SkASSERT(fNextFirstPageObjNum == 0); |
32 if (onFirstPage) { | 32 if (onFirstPage) { |
33 fFirstPageCount++; | 33 fFirstPageCount++; |
34 } | 34 } |
35 | 35 |
36 struct Rec newEntry(obj, onFirstPage); | 36 struct Rec newEntry(obj, onFirstPage); |
37 fCatalog.append(1, &newEntry); | 37 fCatalog.append(1, &newEntry); |
38 return obj; | 38 return obj; |
39 } | 39 } |
40 | 40 |
41 size_t SkPDFCatalog::setFileOffset(SkPDFObject* obj, off_t offset) { | 41 void SkPDFCatalog::setFileOffset(SkPDFObject* obj, off_t offset) { |
42 int objIndex = assignObjNum(obj) - 1; | 42 int objIndex = assignObjNum(obj) - 1; |
43 SkASSERT(fCatalog[objIndex].fObjNumAssigned); | 43 SkASSERT(fCatalog[objIndex].fObjNumAssigned); |
44 SkASSERT(fCatalog[objIndex].fFileOffset == 0); | 44 SkASSERT(fCatalog[objIndex].fFileOffset == 0); |
45 fCatalog[objIndex].fFileOffset = offset; | 45 fCatalog[objIndex].fFileOffset = offset; |
46 | |
47 return getSubstituteObject(obj)->getOutputSize(this, true); | |
48 } | 46 } |
49 | 47 |
50 void SkPDFCatalog::emitObjectNumber(SkWStream* stream, SkPDFObject* obj) { | 48 void SkPDFCatalog::emitObjectNumber(SkWStream* stream, SkPDFObject* obj) { |
51 stream->writeDecAsText(assignObjNum(obj)); | 49 stream->writeDecAsText(assignObjNum(obj)); |
52 stream->writeText(" 0"); // Generation number is always 0. | 50 stream->writeText(" 0"); // Generation number is always 0. |
53 } | 51 } |
54 | 52 |
55 size_t SkPDFCatalog::getObjectNumberSize(SkPDFObject* obj) { | 53 size_t SkPDFCatalog::getObjectNumberSize(SkPDFObject* obj) { |
56 SkDynamicMemoryWStream buffer; | 54 SkDynamicMemoryWStream buffer; |
57 emitObjectNumber(&buffer, obj); | 55 emitObjectNumber(&buffer, obj); |
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185 | 183 |
186 SkPDFObject* SkPDFCatalog::getSubstituteObject(SkPDFObject* object) { | 184 SkPDFObject* SkPDFCatalog::getSubstituteObject(SkPDFObject* object) { |
187 for (int i = 0; i < fSubstituteMap.count(); ++i) { | 185 for (int i = 0; i < fSubstituteMap.count(); ++i) { |
188 if (object == fSubstituteMap[i].fOriginal) { | 186 if (object == fSubstituteMap[i].fOriginal) { |
189 return fSubstituteMap[i].fSubstitute; | 187 return fSubstituteMap[i].fSubstitute; |
190 } | 188 } |
191 } | 189 } |
192 return object; | 190 return object; |
193 } | 191 } |
194 | 192 |
195 off_t SkPDFCatalog::setSubstituteResourcesOffsets(off_t fileOffset, | |
196 bool firstPage) { | |
197 SkTSet<SkPDFObject*>* targetSet = getSubstituteList(firstPage); | |
198 off_t offsetSum = fileOffset; | |
199 for (int i = 0; i < targetSet->count(); ++i) { | |
200 offsetSum += SkToOffT(setFileOffset((*targetSet)[i], offsetSum)); | |
201 } | |
202 return offsetSum - fileOffset; | |
203 } | |
204 | |
205 void SkPDFCatalog::emitSubstituteResources(SkWStream *stream, bool firstPage) { | |
206 SkTSet<SkPDFObject*>* targetSet = getSubstituteList(firstPage); | |
207 for (int i = 0; i < targetSet->count(); ++i) { | |
208 (*targetSet)[i]->emit(stream, this, true); | |
209 } | |
210 } | |
211 | |
212 SkTSet<SkPDFObject*>* SkPDFCatalog::getSubstituteList(bool firstPage) { | 193 SkTSet<SkPDFObject*>* SkPDFCatalog::getSubstituteList(bool firstPage) { |
213 return firstPage ? &fSubstituteResourcesFirstPage : | 194 return firstPage ? &fSubstituteResourcesFirstPage : |
214 &fSubstituteResourcesRemaining; | 195 &fSubstituteResourcesRemaining; |
215 } | 196 } |
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