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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "SkDataTable.h" | 8 #include "SkDataTable.h" |
| 9 #include "SkFontDescriptor.h" | 9 #include "SkFontDescriptor.h" |
| 10 #include "SkFontHost_FreeType_common.h" | 10 #include "SkFontHost_FreeType_common.h" |
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| 375 | 375 |
| 376 class SkTypeface_stream : public SkTypeface_FreeType { | 376 class SkTypeface_stream : public SkTypeface_FreeType { |
| 377 public: | 377 public: |
| 378 /** @param stream does not take ownership of the reference, does take owners
hip of the stream.*/ | 378 /** @param stream does not take ownership of the reference, does take owners
hip of the stream.*/ |
| 379 SkTypeface_stream(const SkFontStyle& style, bool fixedWidth, int index, SkSt
reamAsset* stream) | 379 SkTypeface_stream(const SkFontStyle& style, bool fixedWidth, int index, SkSt
reamAsset* stream) |
| 380 : INHERITED(style, SkTypefaceCache::NewFontID(), fixedWidth) | 380 : INHERITED(style, SkTypefaceCache::NewFontID(), fixedWidth) |
| 381 , fStream(SkRef(stream)) | 381 , fStream(SkRef(stream)) |
| 382 , fIndex(index) | 382 , fIndex(index) |
| 383 { }; | 383 { }; |
| 384 | 384 |
| 385 virtual void onGetFamilyName(SkString* familyName) const SK_OVERRIDE { | 385 void onGetFamilyName(SkString* familyName) const SK_OVERRIDE { |
| 386 familyName->reset(); | 386 familyName->reset(); |
| 387 } | 387 } |
| 388 | 388 |
| 389 virtual void onGetFontDescriptor(SkFontDescriptor* desc, bool* serialize) co
nst SK_OVERRIDE { | 389 void onGetFontDescriptor(SkFontDescriptor* desc, bool* serialize) const SK_O
VERRIDE { |
| 390 desc->setFontIndex(fIndex); | 390 desc->setFontIndex(fIndex); |
| 391 *serialize = true; | 391 *serialize = true; |
| 392 } | 392 } |
| 393 | 393 |
| 394 virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { | 394 SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { |
| 395 *ttcIndex = fIndex; | 395 *ttcIndex = fIndex; |
| 396 return fStream->duplicate(); | 396 return fStream->duplicate(); |
| 397 } | 397 } |
| 398 | 398 |
| 399 private: | 399 private: |
| 400 SkAutoTUnref<SkStreamAsset> fStream; | 400 SkAutoTUnref<SkStreamAsset> fStream; |
| 401 int fIndex; | 401 int fIndex; |
| 402 | 402 |
| 403 typedef SkTypeface_FreeType INHERITED; | 403 typedef SkTypeface_FreeType INHERITED; |
| 404 }; | 404 }; |
| 405 | 405 |
| 406 class SkTypeface_fontconfig : public SkTypeface_FreeType { | 406 class SkTypeface_fontconfig : public SkTypeface_FreeType { |
| 407 public: | 407 public: |
| 408 /** @param pattern takes ownership of the reference. */ | 408 /** @param pattern takes ownership of the reference. */ |
| 409 static SkTypeface_fontconfig* Create(FcPattern* pattern) { | 409 static SkTypeface_fontconfig* Create(FcPattern* pattern) { |
| 410 return SkNEW_ARGS(SkTypeface_fontconfig, (pattern)); | 410 return SkNEW_ARGS(SkTypeface_fontconfig, (pattern)); |
| 411 } | 411 } |
| 412 mutable SkAutoFcPattern fPattern; | 412 mutable SkAutoFcPattern fPattern; |
| 413 | 413 |
| 414 virtual void onGetFamilyName(SkString* familyName) const SK_OVERRIDE { | 414 void onGetFamilyName(SkString* familyName) const SK_OVERRIDE { |
| 415 *familyName = get_string(fPattern, FC_FAMILY); | 415 *familyName = get_string(fPattern, FC_FAMILY); |
| 416 } | 416 } |
| 417 | 417 |
| 418 virtual void onGetFontDescriptor(SkFontDescriptor* desc, bool* serialize) co
nst SK_OVERRIDE { | 418 void onGetFontDescriptor(SkFontDescriptor* desc, bool* serialize) const SK_O
VERRIDE { |
| 419 FCLocker lock; | 419 FCLocker lock; |
| 420 desc->setFamilyName(get_string(fPattern, FC_FAMILY)); | 420 desc->setFamilyName(get_string(fPattern, FC_FAMILY)); |
| 421 desc->setFullName(get_string(fPattern, FC_FULLNAME)); | 421 desc->setFullName(get_string(fPattern, FC_FULLNAME)); |
| 422 desc->setPostscriptName(get_string(fPattern, FC_POSTSCRIPT_NAME)); | 422 desc->setPostscriptName(get_string(fPattern, FC_POSTSCRIPT_NAME)); |
| 423 desc->setFontFileName(get_string(fPattern, FC_FILE)); | 423 desc->setFontFileName(get_string(fPattern, FC_FILE)); |
| 424 desc->setFontIndex(get_int(fPattern, FC_INDEX, 0)); | 424 desc->setFontIndex(get_int(fPattern, FC_INDEX, 0)); |
| 425 *serialize = false; | 425 *serialize = false; |
| 426 } | 426 } |
| 427 | 427 |
| 428 virtual SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { | 428 SkStream* onOpenStream(int* ttcIndex) const SK_OVERRIDE { |
| 429 FCLocker lock; | 429 FCLocker lock; |
| 430 *ttcIndex = get_int(fPattern, FC_INDEX, 0); | 430 *ttcIndex = get_int(fPattern, FC_INDEX, 0); |
| 431 return SkStream::NewFromFile(get_string(fPattern, FC_FILE)); | 431 return SkStream::NewFromFile(get_string(fPattern, FC_FILE)); |
| 432 } | 432 } |
| 433 | 433 |
| 434 virtual ~SkTypeface_fontconfig() { | 434 virtual ~SkTypeface_fontconfig() { |
| 435 // Hold the lock while unrefing the pattern. | 435 // Hold the lock while unrefing the pattern. |
| 436 FCLocker lock; | 436 FCLocker lock; |
| 437 fPattern.reset(); | 437 fPattern.reset(); |
| 438 } | 438 } |
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| 462 StyleSet(const SkFontMgr_fontconfig* parent, FcFontSet* fontSet) | 462 StyleSet(const SkFontMgr_fontconfig* parent, FcFontSet* fontSet) |
| 463 : fFontMgr(SkRef(parent)), fFontSet(fontSet) | 463 : fFontMgr(SkRef(parent)), fFontSet(fontSet) |
| 464 { } | 464 { } |
| 465 | 465 |
| 466 virtual ~StyleSet() { | 466 virtual ~StyleSet() { |
| 467 // Hold the lock while unrefing the font set. | 467 // Hold the lock while unrefing the font set. |
| 468 FCLocker lock; | 468 FCLocker lock; |
| 469 fFontSet.reset(); | 469 fFontSet.reset(); |
| 470 } | 470 } |
| 471 | 471 |
| 472 virtual int count() SK_OVERRIDE { return fFontSet->nfont; } | 472 int count() SK_OVERRIDE { return fFontSet->nfont; } |
| 473 | 473 |
| 474 virtual void getStyle(int index, SkFontStyle* style, SkString* styleName
) SK_OVERRIDE { | 474 void getStyle(int index, SkFontStyle* style, SkString* styleName) SK_OVE
RRIDE { |
| 475 if (index < 0 || fFontSet->nfont <= index) { | 475 if (index < 0 || fFontSet->nfont <= index) { |
| 476 return; | 476 return; |
| 477 } | 477 } |
| 478 | 478 |
| 479 FCLocker lock; | 479 FCLocker lock; |
| 480 if (style) { | 480 if (style) { |
| 481 *style = skfontstyle_from_fcpattern(fFontSet->fonts[index]); | 481 *style = skfontstyle_from_fcpattern(fFontSet->fonts[index]); |
| 482 } | 482 } |
| 483 if (styleName) { | 483 if (styleName) { |
| 484 *styleName = get_string(fFontSet->fonts[index], FC_STYLE); | 484 *styleName = get_string(fFontSet->fonts[index], FC_STYLE); |
| 485 } | 485 } |
| 486 } | 486 } |
| 487 | 487 |
| 488 virtual SkTypeface* createTypeface(int index) SK_OVERRIDE { | 488 SkTypeface* createTypeface(int index) SK_OVERRIDE { |
| 489 FCLocker lock; | 489 FCLocker lock; |
| 490 | 490 |
| 491 FcPattern* match = fFontSet->fonts[index]; | 491 FcPattern* match = fFontSet->fonts[index]; |
| 492 return fFontMgr->createTypefaceFromFcPattern(match); | 492 return fFontMgr->createTypefaceFromFcPattern(match); |
| 493 } | 493 } |
| 494 | 494 |
| 495 virtual SkTypeface* matchStyle(const SkFontStyle& style) SK_OVERRIDE { | 495 SkTypeface* matchStyle(const SkFontStyle& style) SK_OVERRIDE { |
| 496 FCLocker lock; | 496 FCLocker lock; |
| 497 | 497 |
| 498 SkAutoFcPattern pattern; | 498 SkAutoFcPattern pattern; |
| 499 fcpattern_from_skfontstyle(style, pattern); | 499 fcpattern_from_skfontstyle(style, pattern); |
| 500 FcConfigSubstitute(fFontMgr->fFC, pattern, FcMatchPattern); | 500 FcConfigSubstitute(fFontMgr->fFC, pattern, FcMatchPattern); |
| 501 FcDefaultSubstitute(pattern); | 501 FcDefaultSubstitute(pattern); |
| 502 | 502 |
| 503 FcResult result; | 503 FcResult result; |
| 504 FcFontSet* fontSets[1] = { fFontSet }; | 504 FcFontSet* fontSets[1] = { fFontSet }; |
| 505 SkAutoFcPattern match(FcFontSetMatch(fFontMgr->fFC, | 505 SkAutoFcPattern match(FcFontSetMatch(fFontMgr->fFC, |
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| 600 : fFC(config) | 600 : fFC(config) |
| 601 , fFamilyNames(GetFamilyNames(fFC)) { } | 601 , fFamilyNames(GetFamilyNames(fFC)) { } |
| 602 | 602 |
| 603 virtual ~SkFontMgr_fontconfig() { | 603 virtual ~SkFontMgr_fontconfig() { |
| 604 // Hold the lock while unrefing the config. | 604 // Hold the lock while unrefing the config. |
| 605 FCLocker lock; | 605 FCLocker lock; |
| 606 fFC.reset(); | 606 fFC.reset(); |
| 607 } | 607 } |
| 608 | 608 |
| 609 protected: | 609 protected: |
| 610 virtual int onCountFamilies() const SK_OVERRIDE { | 610 int onCountFamilies() const SK_OVERRIDE { |
| 611 return fFamilyNames->count(); | 611 return fFamilyNames->count(); |
| 612 } | 612 } |
| 613 | 613 |
| 614 virtual void onGetFamilyName(int index, SkString* familyName) const SK_OVERR
IDE { | 614 void onGetFamilyName(int index, SkString* familyName) const SK_OVERRIDE { |
| 615 familyName->set(fFamilyNames->atStr(index)); | 615 familyName->set(fFamilyNames->atStr(index)); |
| 616 } | 616 } |
| 617 | 617 |
| 618 virtual SkFontStyleSet* onCreateStyleSet(int index) const SK_OVERRIDE { | 618 SkFontStyleSet* onCreateStyleSet(int index) const SK_OVERRIDE { |
| 619 return this->onMatchFamily(fFamilyNames->atStr(index)); | 619 return this->onMatchFamily(fFamilyNames->atStr(index)); |
| 620 } | 620 } |
| 621 | 621 |
| 622 /** True if any string object value in the font is the same | 622 /** True if any string object value in the font is the same |
| 623 * as a string object value in the pattern. | 623 * as a string object value in the pattern. |
| 624 */ | 624 */ |
| 625 static bool AnyMatching(FcPattern* font, FcPattern* pattern, const char* obj
ect) { | 625 static bool AnyMatching(FcPattern* font, FcPattern* pattern, const char* obj
ect) { |
| 626 FcChar8* fontString; | 626 FcChar8* fontString; |
| 627 FcChar8* patternString; | 627 FcChar8* patternString; |
| 628 FcResult result; | 628 FcResult result; |
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| 677 if (FcResultMatch != result) { | 677 if (FcResultMatch != result) { |
| 678 continue; | 678 continue; |
| 679 } | 679 } |
| 680 if (FcCharSetHasChar(matchCharSet, character)) { | 680 if (FcCharSetHasChar(matchCharSet, character)) { |
| 681 return true; | 681 return true; |
| 682 } | 682 } |
| 683 } | 683 } |
| 684 return false; | 684 return false; |
| 685 } | 685 } |
| 686 | 686 |
| 687 virtual SkFontStyleSet* onMatchFamily(const char familyName[]) const SK_OVER
RIDE { | 687 SkFontStyleSet* onMatchFamily(const char familyName[]) const SK_OVERRIDE { |
| 688 FCLocker lock; | 688 FCLocker lock; |
| 689 | 689 |
| 690 SkAutoFcPattern pattern; | 690 SkAutoFcPattern pattern; |
| 691 FcPatternAddString(pattern, FC_FAMILY, (FcChar8*)familyName); | 691 FcPatternAddString(pattern, FC_FAMILY, (FcChar8*)familyName); |
| 692 FcConfigSubstitute(fFC, pattern, FcMatchPattern); | 692 FcConfigSubstitute(fFC, pattern, FcMatchPattern); |
| 693 FcDefaultSubstitute(pattern); | 693 FcDefaultSubstitute(pattern); |
| 694 | 694 |
| 695 FcPattern* matchPattern; | 695 FcPattern* matchPattern; |
| 696 SkAutoFcPattern strongPattern(NULL); | 696 SkAutoFcPattern strongPattern(NULL); |
| 697 if (familyName) { | 697 if (familyName) { |
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| 803 virtual SkTypeface* onMatchFaceStyle(const SkTypeface* typeface, | 803 virtual SkTypeface* onMatchFaceStyle(const SkTypeface* typeface, |
| 804 const SkFontStyle& style) const SK_OVER
RIDE | 804 const SkFontStyle& style) const SK_OVER
RIDE |
| 805 { | 805 { |
| 806 //TODO: should the SkTypeface_fontconfig know its family? | 806 //TODO: should the SkTypeface_fontconfig know its family? |
| 807 const SkTypeface_fontconfig* fcTypeface = | 807 const SkTypeface_fontconfig* fcTypeface = |
| 808 static_cast<const SkTypeface_fontconfig*>(typeface); | 808 static_cast<const SkTypeface_fontconfig*>(typeface); |
| 809 return this->matchFamilyStyle(get_string(fcTypeface->fPattern, FC_FAMILY
), style); | 809 return this->matchFamilyStyle(get_string(fcTypeface->fPattern, FC_FAMILY
), style); |
| 810 } | 810 } |
| 811 | 811 |
| 812 /** @param stream does not take ownership of the reference. */ | 812 /** @param stream does not take ownership of the reference. */ |
| 813 virtual SkTypeface* onCreateFromStream(SkStream* stream, int ttcIndex) const
SK_OVERRIDE { | 813 SkTypeface* onCreateFromStream(SkStream* stream, int ttcIndex) const SK_OVER
RIDE { |
| 814 const size_t length = stream->getLength(); | 814 const size_t length = stream->getLength(); |
| 815 if (length <= 0 || (1u << 30) < length) { | 815 if (length <= 0 || (1u << 30) < length) { |
| 816 return NULL; | 816 return NULL; |
| 817 } | 817 } |
| 818 | 818 |
| 819 SkFontStyle style; | 819 SkFontStyle style; |
| 820 bool isFixedWidth = false; | 820 bool isFixedWidth = false; |
| 821 if (!fScanner.scanFont(stream, ttcIndex, NULL, &style, &isFixedWidth)) { | 821 if (!fScanner.scanFont(stream, ttcIndex, NULL, &style, &isFixedWidth)) { |
| 822 return NULL; | 822 return NULL; |
| 823 } | 823 } |
| 824 | 824 |
| 825 return SkNEW_ARGS(SkTypeface_stream, (style, isFixedWidth, ttcIndex, | 825 return SkNEW_ARGS(SkTypeface_stream, (style, isFixedWidth, ttcIndex, |
| 826 static_cast<SkStreamAsset*>(stream
))); | 826 static_cast<SkStreamAsset*>(stream
))); |
| 827 } | 827 } |
| 828 | 828 |
| 829 virtual SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const SK_OV
ERRIDE { | 829 SkTypeface* onCreateFromData(SkData* data, int ttcIndex) const SK_OVERRIDE { |
| 830 SkAutoTUnref<SkStreamAsset> stream(SkNEW_ARGS(SkMemoryStream, (data))); | 830 SkAutoTUnref<SkStreamAsset> stream(SkNEW_ARGS(SkMemoryStream, (data))); |
| 831 return this->createFromStream(stream, ttcIndex); | 831 return this->createFromStream(stream, ttcIndex); |
| 832 } | 832 } |
| 833 | 833 |
| 834 virtual SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const
SK_OVERRIDE { | 834 SkTypeface* onCreateFromFile(const char path[], int ttcIndex) const SK_OVERR
IDE { |
| 835 SkAutoTUnref<SkStreamAsset> stream(SkStream::NewFromFile(path)); | 835 SkAutoTUnref<SkStreamAsset> stream(SkStream::NewFromFile(path)); |
| 836 return this->createFromStream(stream, ttcIndex); | 836 return this->createFromStream(stream, ttcIndex); |
| 837 } | 837 } |
| 838 | 838 |
| 839 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], | 839 virtual SkTypeface* onLegacyCreateTypeface(const char familyName[], |
| 840 unsigned styleBits) const SK_OVER
RIDE { | 840 unsigned styleBits) const SK_OVER
RIDE { |
| 841 bool bold = styleBits & SkTypeface::kBold; | 841 bool bold = styleBits & SkTypeface::kBold; |
| 842 bool italic = styleBits & SkTypeface::kItalic; | 842 bool italic = styleBits & SkTypeface::kItalic; |
| 843 SkFontStyle style = SkFontStyle(bold ? SkFontStyle::kBold_Weight | 843 SkFontStyle style = SkFontStyle(bold ? SkFontStyle::kBold_Weight |
| 844 : SkFontStyle::kNormal_Weight, | 844 : SkFontStyle::kNormal_Weight, |
| 845 SkFontStyle::kNormal_Width, | 845 SkFontStyle::kNormal_Width, |
| 846 italic ? SkFontStyle::kItalic_Slant | 846 italic ? SkFontStyle::kItalic_Slant |
| 847 : SkFontStyle::kUpright_Slant); | 847 : SkFontStyle::kUpright_Slant); |
| 848 SkAutoTUnref<SkTypeface> typeface(this->matchFamilyStyle(familyName, sty
le)); | 848 SkAutoTUnref<SkTypeface> typeface(this->matchFamilyStyle(familyName, sty
le)); |
| 849 if (typeface.get()) { | 849 if (typeface.get()) { |
| 850 return typeface.detach(); | 850 return typeface.detach(); |
| 851 } | 851 } |
| 852 | 852 |
| 853 return this->matchFamilyStyle(NULL, style); | 853 return this->matchFamilyStyle(NULL, style); |
| 854 } | 854 } |
| 855 }; | 855 }; |
| 856 | 856 |
| 857 SkFontMgr* SkFontMgr::Factory() { | 857 SkFontMgr* SkFontMgr::Factory() { |
| 858 return SkNEW(SkFontMgr_fontconfig); | 858 return SkNEW(SkFontMgr_fontconfig); |
| 859 } | 859 } |
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