diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/fontconfig')
4 files changed, 35 insertions, 32 deletions
diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp index 5dec1d0915..686563893f 100644 --- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp +++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp @@ -54,6 +54,13 @@ QT_BEGIN_NAMESPACE +static const int maxWeight = 99; + +static inline int mapToQtWeightForRange(int fcweight, int fcLower, int fcUpper, int qtLower, int qtUpper) +{ + return qtLower + ((fcweight - fcLower) * (qtUpper - qtLower)) / (fcUpper - fcLower); +} + static inline bool requiresOpenType(int writingSystem) { return ((writingSystem >= QFontDatabase::Syriac && writingSystem <= QFontDatabase::Sinhala) @@ -68,26 +75,22 @@ static inline int weightFromFcWeight(int fcweight) // mapping. This ensures that where there is a corresponding enum on both sides (for example // FC_WEIGHT_DEMIBOLD and QFont::DemiBold) we map one to the other but other values map // to intermediate Qt weights. - const int maxWeight = 99; - int qtweight; - if (fcweight < 0) - qtweight = 0; - else if (fcweight <= FC_WEIGHT_LIGHT) - qtweight = (fcweight * QFont::Light) / FC_WEIGHT_LIGHT; - else if (fcweight <= FC_WEIGHT_NORMAL) - qtweight = QFont::Light + ((fcweight - FC_WEIGHT_LIGHT) * (QFont::Normal - QFont::Light)) / (FC_WEIGHT_NORMAL - FC_WEIGHT_LIGHT); - else if (fcweight <= FC_WEIGHT_DEMIBOLD) - qtweight = QFont::Normal + ((fcweight - FC_WEIGHT_NORMAL) * (QFont::DemiBold - QFont::Normal)) / (FC_WEIGHT_DEMIBOLD - FC_WEIGHT_NORMAL); - else if (fcweight <= FC_WEIGHT_BOLD) - qtweight = QFont::DemiBold + ((fcweight - FC_WEIGHT_DEMIBOLD) * (QFont::Bold - QFont::DemiBold)) / (FC_WEIGHT_BOLD - FC_WEIGHT_DEMIBOLD); - else if (fcweight <= FC_WEIGHT_BLACK) - qtweight = QFont::Bold + ((fcweight - FC_WEIGHT_BOLD) * (QFont::Black - QFont::Bold)) / (FC_WEIGHT_BLACK - FC_WEIGHT_BOLD); - else if (fcweight <= FC_WEIGHT_ULTRABLACK) - qtweight = QFont::Black + ((fcweight - FC_WEIGHT_BLACK) * (maxWeight - QFont::Black)) / (FC_WEIGHT_ULTRABLACK - FC_WEIGHT_BLACK); - else - qtweight = maxWeight; - return qtweight; + if (fcweight < 0) + return 0; + if (fcweight <= FC_WEIGHT_LIGHT) + return mapToQtWeightForRange(fcweight, 0, FC_WEIGHT_LIGHT, 0, QFont::Light); + if (fcweight <= FC_WEIGHT_NORMAL) + return mapToQtWeightForRange(fcweight, FC_WEIGHT_LIGHT, FC_WEIGHT_NORMAL, QFont::Light, QFont::Normal); + if (fcweight <= FC_WEIGHT_DEMIBOLD) + return mapToQtWeightForRange(fcweight, FC_WEIGHT_NORMAL, FC_WEIGHT_DEMIBOLD, QFont::Normal, QFont::DemiBold); + if (fcweight <= FC_WEIGHT_BOLD) + return mapToQtWeightForRange(fcweight, FC_WEIGHT_DEMIBOLD, FC_WEIGHT_BOLD, QFont::DemiBold, QFont::Bold); + if (fcweight <= FC_WEIGHT_BLACK) + return mapToQtWeightForRange(fcweight, FC_WEIGHT_BOLD, FC_WEIGHT_BLACK, QFont::Bold, QFont::Black); + if (fcweight <= FC_WEIGHT_ULTRABLACK) + return mapToQtWeightForRange(fcweight, FC_WEIGHT_BLACK, FC_WEIGHT_ULTRABLACK, QFont::Black, maxWeight); + return maxWeight; } static inline int stretchFromFcWidth(int fcwidth) diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h index 745d12b825..f67db6a527 100644 --- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h +++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h @@ -55,14 +55,14 @@ class QFontEngineFT; class QFontconfigDatabase : public QBasicFontDatabase { public: - void populateFontDatabase(); - QFontEngineMulti *fontEngineMulti(QFontEngine *fontEngine, QChar::Script script); - QFontEngine *fontEngine(const QFontDef &fontDef, void *handle); - QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference); - QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const; - QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName); - QString resolveFontFamilyAlias(const QString &family) const; - QFont defaultFont() const; + void populateFontDatabase() Q_DECL_OVERRIDE; + QFontEngineMulti *fontEngineMulti(QFontEngine *fontEngine, QChar::Script script) Q_DECL_OVERRIDE; + QFontEngine *fontEngine(const QFontDef &fontDef, void *handle) Q_DECL_OVERRIDE; + QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) Q_DECL_OVERRIDE; + QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const Q_DECL_OVERRIDE; + QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName) Q_DECL_OVERRIDE; + QString resolveFontFamilyAlias(const QString &family) const Q_DECL_OVERRIDE; + QFont defaultFont() const Q_DECL_OVERRIDE; private: void setupFontEngine(QFontEngineFT *engine, const QFontDef &fontDef) const; diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp index 956cf68290..b0460814ca 100644 --- a/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp +++ b/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp @@ -38,7 +38,7 @@ QT_BEGIN_NAMESPACE QFontEngineMultiFontConfig::QFontEngineMultiFontConfig(QFontEngine *fe, int script) - : QFontEngineMultiBasicImpl(fe, script) + : QFontEngineMulti(fe, script) { } @@ -67,8 +67,8 @@ bool QFontEngineMultiFontConfig::shouldLoadFontEngineForCharacter(int at, uint u FcPattern * QFontEngineMultiFontConfig::getMatchPatternForFallback(int fallBackIndex) const { Q_ASSERT(fallBackIndex < fallbackFamilyCount()); - if (engines.size() - 1 > cachedMatchPatterns.size()) - cachedMatchPatterns.resize(engines.size() - 1); + if (fallbackFamilyCount() > cachedMatchPatterns.size()) + cachedMatchPatterns.resize(fallbackFamilyCount()); FcPattern *ret = cachedMatchPatterns.at(fallBackIndex); if (ret) return ret; diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig_p.h b/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig_p.h index 115f8e6c16..e748e81cf6 100644 --- a/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig_p.h +++ b/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig_p.h @@ -50,14 +50,14 @@ QT_BEGIN_NAMESPACE -class QFontEngineMultiFontConfig : public QFontEngineMultiBasicImpl +class QFontEngineMultiFontConfig : public QFontEngineMulti { public: explicit QFontEngineMultiFontConfig(QFontEngine *fe, int script); ~QFontEngineMultiFontConfig(); - bool shouldLoadFontEngineForCharacter(int at, uint ucs4) const; + bool shouldLoadFontEngineForCharacter(int at, uint ucs4) const Q_DECL_OVERRIDE; private: FcPattern* getMatchPatternForFallback(int at) const; |