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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 <ctype.h> | 8 #include <ctype.h> |
9 | 9 |
10 #include "SkData.h" | 10 #include "SkData.h" |
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150 } | 150 } |
151 | 151 |
152 static SkData* handle_type1_stream(SkStream* srcStream, size_t* headerLen, | 152 static SkData* handle_type1_stream(SkStream* srcStream, size_t* headerLen, |
153 size_t* dataLen, size_t* trailerLen) { | 153 size_t* dataLen, size_t* trailerLen) { |
154 // srcStream may be backed by a file or a unseekable fd, so we may not be | 154 // srcStream may be backed by a file or a unseekable fd, so we may not be |
155 // able to use skip(), rewind(), or getMemoryBase(). read()ing through | 155 // able to use skip(), rewind(), or getMemoryBase(). read()ing through |
156 // the input only once is doable, but very ugly. Furthermore, it'd be nice | 156 // the input only once is doable, but very ugly. Furthermore, it'd be nice |
157 // if the data was NUL terminated so that we can use strstr() to search it. | 157 // if the data was NUL terminated so that we can use strstr() to search it. |
158 // Make as few copies as possible given these constraints. | 158 // Make as few copies as possible given these constraints. |
159 SkDynamicMemoryWStream dynamicStream; | 159 SkDynamicMemoryWStream dynamicStream; |
160 SkAutoTUnref<SkMemoryStream> staticStream; | 160 SkAutoTDelete<SkMemoryStream> staticStream; |
161 SkData* data = NULL; | 161 SkData* data = NULL; |
162 const uint8_t* src; | 162 const uint8_t* src; |
163 size_t srcLen; | 163 size_t srcLen; |
164 if ((srcLen = srcStream->getLength()) > 0) { | 164 if ((srcLen = srcStream->getLength()) > 0) { |
165 staticStream.reset(new SkMemoryStream(srcLen + 1)); | 165 staticStream.reset(new SkMemoryStream(srcLen + 1)); |
166 src = (const uint8_t*)staticStream->getMemoryBase(); | 166 src = (const uint8_t*)staticStream->getMemoryBase(); |
167 if (srcStream->getMemoryBase() != NULL) { | 167 if (srcStream->getMemoryBase() != NULL) { |
168 memcpy((void *)src, srcStream->getMemoryBase(), srcLen); | 168 memcpy((void *)src, srcStream->getMemoryBase(), srcLen); |
169 } else { | 169 } else { |
170 size_t read = 0; | 170 size_t read = 0; |
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578 // Use C-style cast to cast away const and cast type simultaneously. | 578 // Use C-style cast to cast away const and cast type simultaneously. |
579 delete[] (unsigned char*)ptr; | 579 delete[] (unsigned char*)ptr; |
580 } | 580 } |
581 #endif | 581 #endif |
582 | 582 |
583 static size_t get_subset_font_stream(const char* fontName, | 583 static size_t get_subset_font_stream(const char* fontName, |
584 const SkTypeface* typeface, | 584 const SkTypeface* typeface, |
585 const SkTDArray<uint32_t>& subset, | 585 const SkTDArray<uint32_t>& subset, |
586 SkPDFStream** fontStream) { | 586 SkPDFStream** fontStream) { |
587 int ttcIndex; | 587 int ttcIndex; |
588 SkAutoTUnref<SkStream> fontData(typeface->openStream(&ttcIndex)); | 588 SkAutoTDelete<SkStream> fontData(typeface->openStream(&ttcIndex)); |
589 SkASSERT(fontData.get()); | 589 SkASSERT(fontData.get()); |
590 | 590 |
591 size_t fontSize = fontData->getLength(); | 591 size_t fontSize = fontData->getLength(); |
592 | 592 |
593 #if defined (SK_SFNTLY_SUBSETTER) | 593 #if defined (SK_SFNTLY_SUBSETTER) |
594 // Read font into buffer. | 594 // Read font into buffer. |
595 SkPDFStream* subsetFontStream = NULL; | 595 SkPDFStream* subsetFontStream = NULL; |
596 SkTDArray<unsigned char> originalFont; | 596 SkTDArray<unsigned char> originalFont; |
597 originalFont.setCount(SkToInt(fontSize)); | 597 originalFont.setCount(SkToInt(fontSize)); |
598 if (fontData->read(originalFont.begin(), fontSize) == fontSize) { | 598 if (fontData->read(originalFont.begin(), fontSize) == fontSize) { |
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1154 size_t fontSize = 0; | 1154 size_t fontSize = 0; |
1155 if (canSubset()) { | 1155 if (canSubset()) { |
1156 SkPDFStream* rawStream = NULL; | 1156 SkPDFStream* rawStream = NULL; |
1157 fontSize = get_subset_font_stream(fontInfo()->fFontName.c_str(), | 1157 fontSize = get_subset_font_stream(fontInfo()->fFontName.c_str(), |
1158 typeface(), | 1158 typeface(), |
1159 *subset, | 1159 *subset, |
1160 &rawStream); | 1160 &rawStream); |
1161 fontStream.reset(rawStream); | 1161 fontStream.reset(rawStream); |
1162 } else { | 1162 } else { |
1163 int ttcIndex; | 1163 int ttcIndex; |
1164 SkAutoTUnref<SkStream> fontData( | 1164 SkAutoTDelete<SkStream> fontData( |
1165 typeface()->openStream(&ttcIndex)); | 1165 typeface()->openStream(&ttcIndex)); |
1166 fontStream.reset(new SkPDFStream(fontData.get())); | 1166 fontStream.reset(new SkPDFStream(fontData.get())); |
1167 fontSize = fontData->getLength(); | 1167 fontSize = fontData->getLength(); |
1168 } | 1168 } |
1169 SkASSERT(fontSize); | 1169 SkASSERT(fontSize); |
1170 SkASSERT(fontStream.get()); | 1170 SkASSERT(fontStream.get()); |
1171 addResource(fontStream.get()); | 1171 addResource(fontStream.get()); |
1172 | 1172 |
1173 fontStream->insertInt("Length1", fontSize); | 1173 fontStream->insertInt("Length1", fontSize); |
1174 descriptor->insert("FontFile2", | 1174 descriptor->insert("FontFile2", |
1175 new SkPDFObjRef(fontStream.get()))->unref(); | 1175 new SkPDFObjRef(fontStream.get()))->unref(); |
1176 break; | 1176 break; |
1177 } | 1177 } |
1178 case SkAdvancedTypefaceMetrics::kCFF_Font: | 1178 case SkAdvancedTypefaceMetrics::kCFF_Font: |
1179 case SkAdvancedTypefaceMetrics::kType1CID_Font: { | 1179 case SkAdvancedTypefaceMetrics::kType1CID_Font: { |
1180 int ttcIndex; | 1180 int ttcIndex; |
1181 SkAutoTUnref<SkStream> fontData(typeface()->openStream(&ttcIndex)); | 1181 SkAutoTDelete<SkStream> fontData(typeface()->openStream(&ttcIndex)); |
1182 SkAutoTUnref<SkPDFStream> fontStream( | 1182 SkAutoTUnref<SkPDFStream> fontStream( |
1183 new SkPDFStream(fontData.get())); | 1183 new SkPDFStream(fontData.get())); |
1184 addResource(fontStream.get()); | 1184 addResource(fontStream.get()); |
1185 | 1185 |
1186 if (getType() == SkAdvancedTypefaceMetrics::kCFF_Font) { | 1186 if (getType() == SkAdvancedTypefaceMetrics::kCFF_Font) { |
1187 fontStream->insertName("Subtype", "Type1C"); | 1187 fontStream->insertName("Subtype", "Type1C"); |
1188 } else { | 1188 } else { |
1189 fontStream->insertName("Subtype", "CIDFontType0c"); | 1189 fontStream->insertName("Subtype", "CIDFontType0c"); |
1190 } | 1190 } |
1191 descriptor->insert("FontFile3", | 1191 descriptor->insert("FontFile3", |
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1301 return true; | 1301 return true; |
1302 } | 1302 } |
1303 | 1303 |
1304 SkAutoTUnref<SkPDFDict> descriptor(new SkPDFDict("FontDescriptor")); | 1304 SkAutoTUnref<SkPDFDict> descriptor(new SkPDFDict("FontDescriptor")); |
1305 setFontDescriptor(descriptor.get()); | 1305 setFontDescriptor(descriptor.get()); |
1306 | 1306 |
1307 int ttcIndex; | 1307 int ttcIndex; |
1308 size_t header SK_INIT_TO_AVOID_WARNING; | 1308 size_t header SK_INIT_TO_AVOID_WARNING; |
1309 size_t data SK_INIT_TO_AVOID_WARNING; | 1309 size_t data SK_INIT_TO_AVOID_WARNING; |
1310 size_t trailer SK_INIT_TO_AVOID_WARNING; | 1310 size_t trailer SK_INIT_TO_AVOID_WARNING; |
1311 SkAutoTUnref<SkStream> rawFontData(typeface()->openStream(&ttcIndex)); | 1311 SkAutoTDelete<SkStream> rawFontData(typeface()->openStream(&ttcIndex)); |
1312 SkAutoTUnref<SkData> fontData(handle_type1_stream(rawFontData.get(), &header
, | 1312 SkAutoTUnref<SkData> fontData(handle_type1_stream(rawFontData.get(), &header
, |
1313 &data, &trailer)); | 1313 &data, &trailer)); |
1314 if (fontData.get() == NULL) { | 1314 if (fontData.get() == NULL) { |
1315 return false; | 1315 return false; |
1316 } | 1316 } |
1317 if (canEmbed()) { | 1317 if (canEmbed()) { |
1318 SkAutoTUnref<SkPDFStream> fontStream(new SkPDFStream(fontData.get())); | 1318 SkAutoTUnref<SkPDFStream> fontStream(new SkPDFStream(fontData.get())); |
1319 addResource(fontStream.get()); | 1319 addResource(fontStream.get()); |
1320 fontStream->insertInt("Length1", header); | 1320 fontStream->insertInt("Length1", header); |
1321 fontStream->insertInt("Length2", data); | 1321 fontStream->insertInt("Length2", data); |
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1468 | 1468 |
1469 SkDynamicMemoryWStream content; | 1469 SkDynamicMemoryWStream content; |
1470 setGlyphWidthAndBoundingBox(SkFixedToScalar(glyph.fAdvanceX), glyphBBox, | 1470 setGlyphWidthAndBoundingBox(SkFixedToScalar(glyph.fAdvanceX), glyphBBox, |
1471 &content); | 1471 &content); |
1472 const SkPath* path = cache->findPath(glyph); | 1472 const SkPath* path = cache->findPath(glyph); |
1473 if (path) { | 1473 if (path) { |
1474 SkPDFUtils::EmitPath(*path, paint.getStyle(), &content); | 1474 SkPDFUtils::EmitPath(*path, paint.getStyle(), &content); |
1475 SkPDFUtils::PaintPath(paint.getStyle(), path->getFillType(), | 1475 SkPDFUtils::PaintPath(paint.getStyle(), path->getFillType(), |
1476 &content); | 1476 &content); |
1477 } | 1477 } |
1478 SkAutoTUnref<SkMemoryStream> glyphStream(new SkMemoryStream()); | 1478 SkAutoTDelete<SkMemoryStream> glyphStream(new SkMemoryStream()); |
1479 glyphStream->setData(content.copyToData())->unref(); | 1479 glyphStream->setData(content.copyToData())->unref(); |
1480 | 1480 |
1481 SkAutoTUnref<SkPDFStream> glyphDescription( | 1481 SkAutoTUnref<SkPDFStream> glyphDescription( |
1482 new SkPDFStream(glyphStream.get())); | 1482 new SkPDFStream(glyphStream.get())); |
1483 addResource(glyphDescription.get()); | 1483 addResource(glyphDescription.get()); |
1484 charProcs->insert(characterName.c_str(), | 1484 charProcs->insert(characterName.c_str(), |
1485 new SkPDFObjRef(glyphDescription.get()))->unref(); | 1485 new SkPDFObjRef(glyphDescription.get()))->unref(); |
1486 } | 1486 } |
1487 | 1487 |
1488 insert("FontBBox", makeFontBBox(bbox, 1000))->unref(); | 1488 insert("FontBBox", makeFontBBox(bbox, 1000))->unref(); |
1489 insertInt("FirstChar", 1); | 1489 insertInt("FirstChar", 1); |
1490 insertInt("LastChar", lastGlyphID() - firstGlyphID() + 1); | 1490 insertInt("LastChar", lastGlyphID() - firstGlyphID() + 1); |
1491 insert("Widths", widthArray.get()); | 1491 insert("Widths", widthArray.get()); |
1492 insertName("CIDToGIDMap", "Identity"); | 1492 insertName("CIDToGIDMap", "Identity"); |
1493 | 1493 |
1494 populateToUnicodeTable(NULL); | 1494 populateToUnicodeTable(NULL); |
1495 return true; | 1495 return true; |
1496 } | 1496 } |
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