diff options
Diffstat (limited to 'src/gui/text/qfontengine_coretext.mm')
| -rw-r--r-- | src/gui/text/qfontengine_coretext.mm | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/src/gui/text/qfontengine_coretext.mm b/src/gui/text/qfontengine_coretext.mm index 20b3730..d4df218 100644 --- a/src/gui/text/qfontengine_coretext.mm +++ b/src/gui/text/qfontengine_coretext.mm @@ -162,8 +162,10 @@ uint QCoreTextFontEngineMulti::fontIndexForFont(CTFontRef font) const return engines.count() - 1; } -bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, - unsigned short *logClusters, const HB_CharAttributes *) const +bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, + int *nglyphs, QTextEngine::ShaperFlags flags, + unsigned short *logClusters, const HB_CharAttributes *, + QScriptItem *si) const { QCFType<CFStringRef> cfstring = CFStringCreateWithCharactersNoCopy(0, reinterpret_cast<const UniChar *>(str), @@ -180,6 +182,8 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); typeSetter = CTTypesetterCreateWithAttributedStringAndOptions(attributedString, options); } else +#else + Q_UNUSED(flags); #endif typeSetter = CTTypesetterCreateWithAttributedString(attributedString); @@ -219,6 +223,25 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay Q_ASSERT((CTRunGetStatus(run) & kCTRunStatusRightToLeft) == rtl); CFRange stringRange = CTRunGetStringRange(run); + int prepend = 0; +#if MAC_OS_X_VERSION_MAX_ALLOWED == MAC_OS_X_VERSION_10_5 + UniChar beginGlyph = CFStringGetCharacterAtIndex(cfstring, stringRange.location); + QChar dir = QChar::direction(beginGlyph); + bool beginWithOverride = dir == QChar::DirLRO || dir == QChar::DirRLO || dir == QChar::DirLRE || dir == QChar::DirRLE; + if (beginWithOverride) { + logClusters[stringRange.location] = 0; + outGlyphs[0] = 0xFFFF; + outAdvances_x[0] = 0; + outAdvances_y[0] = 0; + outAttributes[0].clusterStart = true; + outAttributes[0].dontPrint = true; + outGlyphs++; + outAdvances_x++; + outAdvances_y++; + outAttributes++; + prepend = 1; + } +#endif UniChar endGlyph = CFStringGetCharacterAtIndex(cfstring, stringRange.location + stringRange.length - 1); bool endWithPDF = QChar::direction(endGlyph) == QChar::DirPDF; if (endWithPDF) @@ -233,7 +256,12 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay if (!runAttribs) runAttribs = attributeDict; CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(runAttribs, NSFontAttributeName)); - const uint fontIndex = (fontIndexForFont(runFont) << 24); + uint fontIndex = fontIndexForFont(runFont); + const QFontEngine *engine = engineAt(fontIndex); + fontIndex <<= 24; + si->ascent = qMax(engine->ascent(), si->ascent); + si->descent = qMax(engine->descent(), si->descent); + si->leading = qMax(engine->leading(), si->leading); //NSLog(@"Run Font Name = %@", CTFontCopyFamilyName(runFont)); if (endWithPDF) glyphCount--; @@ -271,9 +299,9 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay CFIndex k = 0; CFIndex i = 0; - for (i = stringRange.location; + for (i = stringRange.location + prepend; (i < stringRange.location + stringRange.length) && (k < glyphCount); ++i) { - if (tmpIndices[k * rtlSign + rtlOffset] == i || i == stringRange.location) { + if (tmpIndices[k * rtlSign + rtlOffset] == i || i == stringRange.location + prepend) { logClusters[i] = k + firstGlyphIndex; outAttributes[k].clusterStart = true; ++k; @@ -308,7 +336,7 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay : QFixed::fromReal(lastGlyphAdvance.width); if (endWithPDF) { - logClusters[stringRange.location + stringRange.length - 1] = glyphCount; + logClusters[stringRange.location + stringRange.length - 1] = glyphCount + prepend; outGlyphs[glyphCount] = 0xFFFF; outAdvances_x[glyphCount] = 0; outAdvances_y[glyphCount] = 0; @@ -837,6 +865,15 @@ QFixed QCoreTextFontEngine::emSquareSize() const return QFixed::QFixed(int(CTFontGetUnitsPerEm(ctfont))); } +QFontEngine *QCoreTextFontEngine::cloneWithSize(qreal pixelSize) const +{ + QFontDef newFontDef = fontDef; + newFontDef.pixelSize = pixelSize; + newFontDef.pointSize = pixelSize * 72.0 / qt_defaultDpi(); + + return new QCoreTextFontEngine(cgFont, fontDef); +} + QT_END_NAMESPACE #endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) |