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| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkFontMgr.h" | 8 #include "SkFontMgr.h" |
| 9 #include "SkFontStyle.h" | 9 #include "SkFontStyle.h" |
| 10 #include "SkFontConfigInterface.h" | 10 #include "SkFontConfigInterface.h" |
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| 135 | 135 |
| 136 *count = iter - firstIter; | 136 *count = iter - firstIter; |
| 137 return firstIter; | 137 return firstIter; |
| 138 } | 138 } |
| 139 | 139 |
| 140 class SkFontStyleSet_FC : public SkFontStyleSet { | 140 class SkFontStyleSet_FC : public SkFontStyleSet { |
| 141 public: | 141 public: |
| 142 SkFontStyleSet_FC(FcPattern** matches, int count); | 142 SkFontStyleSet_FC(FcPattern** matches, int count); |
| 143 virtual ~SkFontStyleSet_FC(); | 143 virtual ~SkFontStyleSet_FC(); |
| 144 | 144 |
| 145 int count() SK_OVERRIDE { return fRecCount; } | 145 int count() override { return fRecCount; } |
| 146 void getStyle(int index, SkFontStyle*, SkString* style) SK_OVERRIDE; | 146 void getStyle(int index, SkFontStyle*, SkString* style) override; |
| 147 SkTypeface* createTypeface(int index) SK_OVERRIDE; | 147 SkTypeface* createTypeface(int index) override; |
| 148 SkTypeface* matchStyle(const SkFontStyle& pattern) SK_OVERRIDE; | 148 SkTypeface* matchStyle(const SkFontStyle& pattern) override; |
| 149 | 149 |
| 150 private: | 150 private: |
| 151 struct Rec { | 151 struct Rec { |
| 152 SkString fStyleName; | 152 SkString fStyleName; |
| 153 SkString fFileName; | 153 SkString fFileName; |
| 154 SkFontStyle fStyle; | 154 SkFontStyle fStyle; |
| 155 }; | 155 }; |
| 156 Rec* fRecs; | 156 Rec* fRecs; |
| 157 int fRecCount; | 157 int fRecCount; |
| 158 }; | 158 }; |
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| 219 public: | 219 public: |
| 220 SkFontMgr_fontconfig(SkFontConfigInterface* fci) | 220 SkFontMgr_fontconfig(SkFontConfigInterface* fci) |
| 221 : fFCI(fci) | 221 : fFCI(fci) |
| 222 , fFamilyNames(fFCI->getFamilyNames()) {} | 222 , fFamilyNames(fFCI->getFamilyNames()) {} |
| 223 | 223 |
| 224 virtual ~SkFontMgr_fontconfig() { | 224 virtual ~SkFontMgr_fontconfig() { |
| 225 SkSafeUnref(fFamilyNames); | 225 SkSafeUnref(fFamilyNames); |
| 226 } | 226 } |
| 227 | 227 |
| 228 protected: | 228 protected: |
| 229 int onCountFamilies() const SK_OVERRIDE { | 229 int onCountFamilies() const override { |
| 230 return fFamilyNames->count(); | 230 return fFamilyNames->count(); |
| 231 } | 231 } |
| 232 | 232 |
| 233 void onGetFamilyName(int index, SkString* familyName) const SK_OVERRIDE { | 233 void onGetFamilyName(int index, SkString* familyName) const override { |
| 234 familyName->set(fFamilyNames->atStr(index)); | 234 familyName->set(fFamilyNames->atStr(index)); |
| 235 } | 235 } |
| 236 | 236 |
| 237 SkFontStyleSet* onCreateStyleSet(int index) const SK_OVERRIDE { | 237 SkFontStyleSet* onCreateStyleSet(int index) const override { |
| 238 return this->onMatchFamily(fFamilyNames->atStr(index)); | 238 return this->onMatchFamily(fFamilyNames->atStr(index)); |
| 239 } | 239 } |
| 240 | 240 |
| 241 SkFontStyleSet* onMatchFamily(const char familyName[]) const SK_OVERRIDE { | 241 SkFontStyleSet* onMatchFamily(const char familyName[]) const override { |
| 242 FCLocker lock; | 242 FCLocker lock; |
| 243 | 243 |
| 244 FcPattern* pattern = FcPatternCreate(); | 244 FcPattern* pattern = FcPatternCreate(); |
| 245 | 245 |
| 246 FcPatternAddString(pattern, FC_FAMILY, (FcChar8*)familyName); | 246 FcPatternAddString(pattern, FC_FAMILY, (FcChar8*)familyName); |
| 247 #if 0 | 247 #if 0 |
| 248 FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); | 248 FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); |
| 249 #endif | 249 #endif |
| 250 FcConfigSubstitute(NULL, pattern, FcMatchPattern); | 250 FcConfigSubstitute(NULL, pattern, FcMatchPattern); |
| 251 FcDefaultSubstitute(pattern); | 251 FcDefaultSubstitute(pattern); |
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| 277 } | 277 } |
| 278 } | 278 } |
| 279 | 279 |
| 280 SkFontStyleSet_FC* sset = SkNEW_ARGS(SkFontStyleSet_FC, | 280 SkFontStyleSet_FC* sset = SkNEW_ARGS(SkFontStyleSet_FC, |
| 281 (trimmedMatches.begin(), | 281 (trimmedMatches.begin(), |
| 282 trimmedMatches.count())); | 282 trimmedMatches.count())); |
| 283 return sset; | 283 return sset; |
| 284 } | 284 } |
| 285 | 285 |
| 286 virtual SkTypeface* onMatchFamilyStyle(const char familyName[], | 286 virtual SkTypeface* onMatchFamilyStyle(const char familyName[], |
| 287 const SkFontStyle&) const SK_OVERRIDE
{ return NULL; } | 287 const SkFontStyle&) const override {
return NULL; } |
| 288 virtual SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], con
st SkFontStyle&, | 288 virtual SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], con
st SkFontStyle&, |
| 289 const char* bcp47[], int bcp
47Count, | 289 const char* bcp47[], int bcp
47Count, |
| 290 SkUnichar character) const S
K_OVERRIDE { | 290 SkUnichar character) const o
verride { |
| 291 return NULL; | 291 return NULL; |
| 292 } | 292 } |
| 293 virtual SkTypeface* onMatchFaceStyle(const SkTypeface*, | 293 virtual SkTypeface* onMatchFaceStyle(const SkTypeface*, |
| 294 const SkFontStyle&) const SK_OVERRIDE {
return NULL; } | 294 const SkFontStyle&) const override { re
turn NULL; } |
| 295 | 295 |
| 296 SkTypeface* onCreateFromData(SkData*, int ttcIndex) const SK_OVERRIDE { retu
rn NULL; } | 296 SkTypeface* onCreateFromData(SkData*, int ttcIndex) const override { return
NULL; } |
| 297 | 297 |
| 298 SkTypeface* onCreateFromStream(SkStreamAsset* bareStream, int ttcIndex) cons
t SK_OVERRIDE { | 298 SkTypeface* onCreateFromStream(SkStreamAsset* bareStream, int ttcIndex) cons
t override { |
| 299 SkAutoTDelete<SkStreamAsset> stream(bareStream); | 299 SkAutoTDelete<SkStreamAsset> stream(bareStream); |
| 300 const size_t length = stream->getLength(); | 300 const size_t length = stream->getLength(); |
| 301 if (!length) { | 301 if (!length) { |
| 302 return NULL; | 302 return NULL; |
| 303 } | 303 } |
| 304 if (length >= 1024 * 1024 * 1024) { | 304 if (length >= 1024 * 1024 * 1024) { |
| 305 return NULL; // don't accept too large fonts (>= 1GB) for safety. | 305 return NULL; // don't accept too large fonts (>= 1GB) for safety. |
| 306 } | 306 } |
| 307 | 307 |
| 308 // TODO should the caller give us the style or should we get it from fre
etype? | 308 // TODO should the caller give us the style or should we get it from fre
etype? |
| 309 SkFontStyle style; | 309 SkFontStyle style; |
| 310 bool isFixedWidth = false; | 310 bool isFixedWidth = false; |
| 311 if (!fScanner.scanFont(stream, 0, NULL, &style, &isFixedWidth)) { | 311 if (!fScanner.scanFont(stream, 0, NULL, &style, &isFixedWidth)) { |
| 312 return NULL; | 312 return NULL; |
| 313 } | 313 } |
| 314 | 314 |
| 315 SkTypeface* face = FontConfigTypeface::Create(style, isFixedWidth, strea
m.detach()); | 315 SkTypeface* face = FontConfigTypeface::Create(style, isFixedWidth, strea
m.detach()); |
| 316 return face; | 316 return face; |
| 317 } | 317 } |
| 318 | 318 |
| 319 SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const SK_OVERR
IDE { | 319 SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const override
{ |
| 320 SkAutoTDelete<SkStreamAsset> stream(SkStream::NewFromFile(path)); | 320 SkAutoTDelete<SkStreamAsset> stream(SkStream::NewFromFile(path)); |
| 321 return stream.get() ? this->createFromStream(stream.detach(), ttcIndex)
: NULL; | 321 return stream.get() ? this->createFromStream(stream.detach(), ttcIndex)
: NULL; |
| 322 } | 322 } |
| 323 | 323 |
| 324 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], | 324 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], |
| 325 unsigned styleBits) const SK_OVER
RIDE { | 325 unsigned styleBits) const overrid
e { |
| 326 FCLocker lock; | 326 FCLocker lock; |
| 327 return FontConfigTypeface::LegacyCreateTypeface(familyName, (SkTypeface:
:Style)styleBits); | 327 return FontConfigTypeface::LegacyCreateTypeface(familyName, (SkTypeface:
:Style)styleBits); |
| 328 } | 328 } |
| 329 }; | 329 }; |
| 330 | 330 |
| 331 SkFontMgr* SkFontMgr::Factory() { | 331 SkFontMgr* SkFontMgr::Factory() { |
| 332 SkFontConfigInterface* fci = RefFCI(); | 332 SkFontConfigInterface* fci = RefFCI(); |
| 333 return fci ? SkNEW_ARGS(SkFontMgr_fontconfig, (fci)) : NULL; | 333 return fci ? SkNEW_ARGS(SkFontMgr_fontconfig, (fci)) : NULL; |
| 334 } | 334 } |
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