diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp')
| -rw-r--r-- | src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp | 40 |
1 files changed, 17 insertions, 23 deletions
diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp index b288a05e32..652a9f4add 100644 --- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp +++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp @@ -69,12 +69,6 @@ static inline int mapToQtWeightForRange(int fcweight, int fcLower, int fcUpper, return qtLower + ((fcweight - fcLower) * (qtUpper - qtLower)) / (fcUpper - fcLower); } -static inline bool requiresOpenType(int writingSystem) -{ - return ((writingSystem >= QFontDatabase::Syriac && writingSystem <= QFontDatabase::Sinhala) - || writingSystem == QFontDatabase::Khmer || writingSystem == QFontDatabase::Nko); -} - static inline int weightFromFcWeight(int fcweight) { // Font Config uses weights from 0 to 215 (the highest enum value) while QFont ranges from @@ -300,10 +294,10 @@ static const char *languageForWritingSystem[] = { Q_STATIC_ASSERT(sizeof(languageForWritingSystem) / sizeof(const char *) == QFontDatabase::WritingSystemsCount); #if FC_VERSION >= 20297 -// Newer FontConfig let's us sort out fonts that contain certain glyphs, but no -// open type tables for is directly. Do this so we don't pick some strange -// pseudo unicode font -static const char *openType[] = { +// Newer FontConfig let's us sort out fonts that report certain scripts support, +// but no open type tables for handling them correctly. +// Check the reported script presence in the FC_CAPABILITY's "otlayout:" section. +static const char *capabilityForWritingSystem[] = { 0, // Any 0, // Latin 0, // Greek @@ -339,7 +333,7 @@ static const char *openType[] = { 0, // Runic "nko " // N'Ko }; -Q_STATIC_ASSERT(sizeof(openType) / sizeof(const char *) == QFontDatabase::WritingSystemsCount); +Q_STATIC_ASSERT(sizeof(capabilityForWritingSystem) / sizeof(*capabilityForWritingSystem) == QFontDatabase::WritingSystemsCount); #endif static const char *getFcFamilyForStyleHint(const QFont::StyleHint style) @@ -422,11 +416,23 @@ static void populateFromPattern(FcPattern *pattern) FcResult res = FcPatternGetLangSet(pattern, FC_LANG, 0, &langset); if (res == FcResultMatch) { bool hasLang = false; +#if FC_VERSION >= 20297 + FcChar8 *cap = Q_NULLPTR; + FcResult capRes = FcResultNoMatch; +#endif for (int j = 1; j < QFontDatabase::WritingSystemsCount; ++j) { const FcChar8 *lang = (const FcChar8*) languageForWritingSystem[j]; if (lang) { FcLangResult langRes = FcLangSetHasLang(langset, lang); if (langRes != FcLangDifferentLang) { +#if FC_VERSION >= 20297 + if (capabilityForWritingSystem[j] != Q_NULLPTR) { + if (cap == Q_NULLPTR) + capRes = FcPatternGetString(pattern, FC_CAPABILITY, 0, &cap); + if (capRes == FcResultMatch && strstr(reinterpret_cast<const char *>(cap), capabilityForWritingSystem[j]) == 0) + continue; + } +#endif writingSystems.setSupported(QFontDatabase::WritingSystem(j)); hasLang = true; } @@ -442,18 +448,6 @@ static void populateFromPattern(FcPattern *pattern) writingSystems.setSupported(QFontDatabase::Other); } -#if FC_VERSION >= 20297 - for (int j = 1; j < QFontDatabase::WritingSystemsCount; ++j) { - if (writingSystems.supported(QFontDatabase::WritingSystem(j)) - && requiresOpenType(j) && openType[j]) { - FcChar8 *cap; - res = FcPatternGetString (pattern, FC_CAPABILITY, 0, &cap); - if (res != FcResultMatch || !strstr((const char *)cap, openType[j])) - writingSystems.setSupported(QFontDatabase::WritingSystem(j),false); - } - } -#endif - FontFile *fontFile = new FontFile; fontFile->fileName = QString::fromLocal8Bit((const char *)file_value); fontFile->indexValue = indexValue; |