diff options
Diffstat (limited to 'src/gui/text/qfontengine_mac.mm')
| -rw-r--r-- | src/gui/text/qfontengine_mac.mm | 702 |
1 files changed, 27 insertions, 675 deletions
diff --git a/src/gui/text/qfontengine_mac.mm b/src/gui/text/qfontengine_mac.mm index 1c21f91bce..7751bbe62f 100644 --- a/src/gui/text/qfontengine_mac.mm +++ b/src/gui/text/qfontengine_mac.mm @@ -39,6 +39,8 @@ ** ****************************************************************************/ +#include "qfontengine_mac_p.h" + #include <private/qapplication_p.h> #include <private/qfontengine_p.h> #include <private/qpainter_p.h> @@ -53,6 +55,7 @@ #include <qdebug.h> #include <qendian.h> #include <qmath.h> +#include <private/qimage_p.h> #include <ApplicationServices/ApplicationServices.h> #include <AppKit/AppKit.h> @@ -119,679 +122,6 @@ OSStatus QMacFontPath::closePath(void *data) } - -void qmacfontengine_gamma_correct(QImage *image) -{ - extern uchar qt_pow_rgb_gamma[256]; - - // gamma correct the pixels back to linear color space... - int h = image->height(); - int w = image->width(); - - for (int y=0; y<h; ++y) { - uint *pixels = (uint *) image->scanLine(y); - for (int x=0; x<w; ++x) { - uint p = pixels[x]; - uint r = qt_pow_rgb_gamma[qRed(p)]; - uint g = qt_pow_rgb_gamma[qGreen(p)]; - uint b = qt_pow_rgb_gamma[qBlue(p)]; - pixels[x] = (r << 16) | (g << 8) | b | 0xff000000; - } - } -} - - -#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 -QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(const ATSFontFamilyRef &, const ATSFontRef &atsFontRef, const QFontDef &fontDef, bool kerning) - : QFontEngineMulti(0) -{ - this->fontDef = fontDef; - CTFontSymbolicTraits symbolicTraits = 0; - if (fontDef.weight >= QFont::Bold) - symbolicTraits |= kCTFontBoldTrait; - switch (fontDef.style) { - case QFont::StyleNormal: - break; - case QFont::StyleItalic: - case QFont::StyleOblique: - symbolicTraits |= kCTFontItalicTrait; - break; - } - - QCFString name; - ATSFontGetName(atsFontRef, kATSOptionFlagsDefault, &name); - - transform = CGAffineTransformIdentity; - if (fontDef.stretch != 100) { - transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1); - } - - QCFType<CTFontDescriptorRef> descriptor = CTFontDescriptorCreateWithNameAndSize(name, fontDef.pixelSize); - QCFType<CTFontRef> baseFont = CTFontCreateWithFontDescriptor(descriptor, fontDef.pixelSize, &transform); - ctfont = CTFontCreateCopyWithSymbolicTraits(baseFont, fontDef.pixelSize, &transform, symbolicTraits, symbolicTraits); - - // CTFontCreateCopyWithSymbolicTraits returns NULL if we ask for a trait that does - // not exist for the given font. (for example italic) - if (ctfont == 0) { - ctfont = baseFont; - CFRetain(ctfont); - } - - attributeDict = CFDictionaryCreateMutable(0, 2, - &kCFTypeDictionaryKeyCallBacks, - &kCFTypeDictionaryValueCallBacks); - CFDictionaryAddValue(attributeDict, NSFontAttributeName, ctfont); - if (!kerning) { - float zero = 0.0; - QCFType<CFNumberRef> noKern = CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &zero); - CFDictionaryAddValue(attributeDict, kCTKernAttributeName, noKern); - } - - QCoreTextFontEngine *fe = new QCoreTextFontEngine(ctfont, fontDef, this); - fe->ref.ref(); - engines.append(fe); - -} - -QCoreTextFontEngineMulti::~QCoreTextFontEngineMulti() -{ - CFRelease(ctfont); -} - -uint QCoreTextFontEngineMulti::fontIndexForFont(CTFontRef id) const -{ - for (int i = 0; i < engines.count(); ++i) { - if (CFEqual(engineAt(i)->ctfont, id)) - return i; - } - - QCoreTextFontEngineMulti *that = const_cast<QCoreTextFontEngineMulti *>(this); - QCoreTextFontEngine *fe = new QCoreTextFontEngine(id, fontDef, that); - fe->ref.ref(); - that->engines.append(fe); - return engines.count() - 1; -} - -bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags, - unsigned short *logClusters, const HB_CharAttributes *) const -{ - QCFType<CFStringRef> cfstring = CFStringCreateWithCharactersNoCopy(0, - reinterpret_cast<const UniChar *>(str), - len, kCFAllocatorNull); - QCFType<CFAttributedStringRef> attributedString = CFAttributedStringCreate(0, cfstring, attributeDict); - QCFType<CTTypesetterRef> typeSetter = CTTypesetterCreateWithAttributedString(attributedString); - CFRange range = {0, 0}; - QCFType<CTLineRef> line = CTTypesetterCreateLine(typeSetter, range); - CFArrayRef array = CTLineGetGlyphRuns(line); - uint arraySize = CFArrayGetCount(array); - glyph_t *outGlyphs = glyphs->glyphs; - HB_GlyphAttributes *outAttributes = glyphs->attributes; - QFixed *outAdvances_x = glyphs->advances_x; - QFixed *outAdvances_y = glyphs->advances_y; - glyph_t *initialGlyph = outGlyphs; - - if (arraySize == 0) { - // CoreText failed to shape the text we gave it, so we assume one glyph - // per character and build a list of invalid glyphs with zero advance - *nglyphs = len; - for (int i = 0; i < len; ++i) { - outGlyphs[i] = 0; - if (logClusters) - logClusters[i] = i; - outAdvances_x[i] = QFixed(); - outAdvances_y[i] = QFixed(); - outAttributes[i].clusterStart = true; - } - return true; - } - - const bool rtl = (CTRunGetStatus(static_cast<CTRunRef>(CFArrayGetValueAtIndex(array, 0))) & kCTRunStatusRightToLeft); - - bool outOBounds = false; - for (uint i = 0; i < arraySize; ++i) { - CTRunRef run = static_cast<CTRunRef>(CFArrayGetValueAtIndex(array, rtl ? (arraySize - 1 - i) : i)); - CFIndex glyphCount = CTRunGetGlyphCount(run); - if (glyphCount == 0) - continue; - - Q_ASSERT((CTRunGetStatus(run) & kCTRunStatusRightToLeft) == rtl); - - if (!outOBounds && outGlyphs + glyphCount - initialGlyph > *nglyphs) { - outOBounds = true; - } - if (!outOBounds) { - CFDictionaryRef runAttribs = CTRunGetAttributes(run); - //NSLog(@"Dictionary %@", runAttribs); - if (!runAttribs) - runAttribs = attributeDict; - CTFontRef runFont = static_cast<CTFontRef>(CFDictionaryGetValue(runAttribs, NSFontAttributeName)); - const uint fontIndex = (fontIndexForFont(runFont) << 24); - //NSLog(@"Run Font Name = %@", CTFontCopyFamilyName(runFont)); - QVarLengthArray<CGGlyph, 512> cgglyphs(0); - const CGGlyph *tmpGlyphs = CTRunGetGlyphsPtr(run); - if (!tmpGlyphs) { - cgglyphs.resize(glyphCount); - CTRunGetGlyphs(run, range, cgglyphs.data()); - tmpGlyphs = cgglyphs.constData(); - } - QVarLengthArray<CGPoint, 512> cgpoints(0); - const CGPoint *tmpPoints = CTRunGetPositionsPtr(run); - if (!tmpPoints) { - cgpoints.resize(glyphCount); - CTRunGetPositions(run, range, cgpoints.data()); - tmpPoints = cgpoints.constData(); - } - - const int rtlOffset = rtl ? (glyphCount - 1) : 0; - const int rtlSign = rtl ? -1 : 1; - - if (logClusters) { - CFRange stringRange = CTRunGetStringRange(run); - QVarLengthArray<CFIndex, 512> stringIndices(0); - const CFIndex *tmpIndices = CTRunGetStringIndicesPtr(run); - if (!tmpIndices) { - stringIndices.resize(glyphCount); - CTRunGetStringIndices(run, range, stringIndices.data()); - tmpIndices = stringIndices.constData(); - } - - const int firstGlyphIndex = outGlyphs - initialGlyph; - outAttributes[0].clusterStart = true; - - CFIndex k = 0; - CFIndex i = 0; - for (i = stringRange.location; - (i < stringRange.location + stringRange.length) && (k < glyphCount); ++i) { - if (tmpIndices[k * rtlSign + rtlOffset] == i || i == stringRange.location) { - logClusters[i] = k + firstGlyphIndex; - outAttributes[k].clusterStart = true; - ++k; - } else { - logClusters[i] = k + firstGlyphIndex - 1; - } - } - // in case of a ligature at the end, fill the remaining logcluster entries - for (;i < stringRange.location + stringRange.length; i++) { - logClusters[i] = k + firstGlyphIndex - 1; - } - } - for (CFIndex i = 0; i < glyphCount - 1; ++i) { - int idx = rtlOffset + rtlSign * i; - outGlyphs[idx] = tmpGlyphs[i] | fontIndex; - outAdvances_x[idx] = QFixed::fromReal(tmpPoints[i + 1].x - tmpPoints[i].x); - outAdvances_y[idx] = QFixed::fromReal(tmpPoints[i + 1].y - tmpPoints[i].y); - - if (fontDef.styleStrategy & QFont::ForceIntegerMetrics) { - outAdvances_x[idx] = outAdvances_x[idx].round(); - outAdvances_y[idx] = outAdvances_y[idx].round(); - } - } - CGSize lastGlyphAdvance; - CTFontGetAdvancesForGlyphs(runFont, kCTFontHorizontalOrientation, tmpGlyphs + glyphCount - 1, &lastGlyphAdvance, 1); - - outGlyphs[rtl ? 0 : (glyphCount - 1)] = tmpGlyphs[glyphCount - 1] | fontIndex; - outAdvances_x[rtl ? 0 : (glyphCount - 1)] = - (fontDef.styleStrategy & QFont::ForceIntegerMetrics) - ? QFixed::fromReal(lastGlyphAdvance.width).round() - : QFixed::fromReal(lastGlyphAdvance.width); - } - outGlyphs += glyphCount; - outAttributes += glyphCount; - outAdvances_x += glyphCount; - outAdvances_y += glyphCount; - } - *nglyphs = (outGlyphs - initialGlyph); - return !outOBounds; -} - -bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, - int *nglyphs, QTextEngine::ShaperFlags flags) const -{ - *nglyphs = len; - QCFType<CFStringRef> cfstring; - - QVarLengthArray<CGGlyph> cgGlyphs(len); - CTFontGetGlyphsForCharacters(ctfont, (const UniChar*)str, cgGlyphs.data(), len); - - for (int i = 0; i < len; ++i) { - if (cgGlyphs[i]) { - glyphs->glyphs[i] = cgGlyphs[i]; - } else { - if (!cfstring) - cfstring = CFStringCreateWithCharactersNoCopy(0, reinterpret_cast<const UniChar *>(str), len, kCFAllocatorNull); - QCFType<CTFontRef> substituteFont = CTFontCreateForString(ctfont, cfstring, CFRangeMake(i, 1)); - CGGlyph substituteGlyph = 0; - CTFontGetGlyphsForCharacters(substituteFont, (const UniChar*)str + i, &substituteGlyph, 1); - if (substituteGlyph) { - const uint fontIndex = (fontIndexForFont(substituteFont) << 24); - glyphs->glyphs[i] = substituteGlyph | fontIndex; - if (!(flags & QTextEngine::GlyphIndicesOnly)) { - CGSize advance; - CTFontGetAdvancesForGlyphs(substituteFont, kCTFontHorizontalOrientation, &substituteGlyph, &advance, 1); - glyphs->advances_x[i] = QFixed::fromReal(advance.width); - glyphs->advances_y[i] = QFixed::fromReal(advance.height); - } - } - } - } - - if (flags & QTextEngine::GlyphIndicesOnly) - return true; - - QVarLengthArray<CGSize> advances(len); - CTFontGetAdvancesForGlyphs(ctfont, kCTFontHorizontalOrientation, cgGlyphs.data(), advances.data(), len); - - for (int i = 0; i < len; ++i) { - if (glyphs->glyphs[i] & 0xff000000) - continue; - glyphs->advances_x[i] = QFixed::fromReal(advances[i].width); - glyphs->advances_y[i] = QFixed::fromReal(advances[i].height); - } - - if (fontDef.styleStrategy & QFont::ForceIntegerMetrics) { - for (int i = 0; i < len; ++i) { - glyphs->advances_x[i] = glyphs->advances_x[i].round(); - glyphs->advances_y[i] = glyphs->advances_y[i].round(); - } - } - - return true; -} - -void QCoreTextFontEngineMulti::recalcAdvances(int , QGlyphLayout *, QTextEngine::ShaperFlags) const -{ -} -void QCoreTextFontEngineMulti::doKerning(int , QGlyphLayout *, QTextEngine::ShaperFlags) const -{ -} - -void QCoreTextFontEngineMulti::loadEngine(int) -{ - // Do nothing - Q_ASSERT(false); -} - - - -QCoreTextFontEngine::QCoreTextFontEngine(CTFontRef font, const QFontDef &def, - QCoreTextFontEngineMulti *multiEngine) -{ - fontDef = def; - parentEngine = multiEngine; - synthesisFlags = 0; - ctfont = font; - CFRetain(ctfont); - ATSFontRef atsfont = CTFontGetPlatformFont(ctfont, 0); - cgFont = CGFontCreateWithPlatformFont(&atsfont); - CTFontSymbolicTraits traits = CTFontGetSymbolicTraits(ctfont); - if (fontDef.weight >= QFont::Bold && !(traits & kCTFontBoldTrait)) { - synthesisFlags |= SynthesizedBold; - } - - if (fontDef.style != QFont::StyleNormal && !(traits & kCTFontItalicTrait)) { - synthesisFlags |= SynthesizedItalic; - } - transform = CGAffineTransformIdentity; - if (fontDef.stretch != 100) { - transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1); - } - QByteArray os2Table = getSfntTable(MAKE_TAG('O', 'S', '/', '2')); - if (os2Table.size() >= 10) - fsType = qFromBigEndian<quint16>(reinterpret_cast<const uchar *>(os2Table.constData() + 8)); -} - -QCoreTextFontEngine::~QCoreTextFontEngine() -{ - CFRelease(ctfont); - CFRelease(cgFont); -} - -bool QCoreTextFontEngine::stringToCMap(const QChar *, int, QGlyphLayout *, int *, QTextEngine::ShaperFlags) const -{ - return false; -} - -glyph_metrics_t QCoreTextFontEngine::boundingBox(const QGlyphLayout &glyphs) -{ - QFixed w; - bool round = fontDef.styleStrategy & QFont::ForceIntegerMetrics; - - for (int i = 0; i < glyphs.numGlyphs; ++i) { - w += round ? glyphs.effectiveAdvance(i).round() - : glyphs.effectiveAdvance(i); - } - return glyph_metrics_t(0, -(ascent()), w - lastRightBearing(glyphs, round), ascent()+descent(), w, 0); -} -glyph_metrics_t QCoreTextFontEngine::boundingBox(glyph_t glyph) -{ - glyph_metrics_t ret; - CGGlyph g = glyph; - CGRect rect = CTFontGetBoundingRectsForGlyphs(ctfont, kCTFontHorizontalOrientation, &g, 0, 1); - ret.width = QFixed::fromReal(rect.size.width); - ret.height = QFixed::fromReal(rect.size.height); - ret.x = QFixed::fromReal(rect.origin.x); - ret.y = -QFixed::fromReal(rect.origin.y) - ret.height; - CGSize advances[1]; - CTFontGetAdvancesForGlyphs(ctfont, kCTFontHorizontalOrientation, &g, advances, 1); - ret.xoff = QFixed::fromReal(advances[0].width); - ret.yoff = QFixed::fromReal(advances[0].height); - - if (fontDef.styleStrategy & QFont::ForceIntegerMetrics) { - ret.xoff = ret.xoff.round(); - ret.yoff = ret.yoff.round(); - } - - return ret; -} - -QFixed QCoreTextFontEngine::ascent() const -{ - return (fontDef.styleStrategy & QFont::ForceIntegerMetrics) - ? QFixed::fromReal(CTFontGetAscent(ctfont)).round() - : QFixed::fromReal(CTFontGetAscent(ctfont)); -} -QFixed QCoreTextFontEngine::descent() const -{ - QFixed d = QFixed::fromReal(CTFontGetDescent(ctfont)); - if (fontDef.styleStrategy & QFont::ForceIntegerMetrics) - d = d.round(); - - // subtract a pixel to even out the historical +1 in QFontMetrics::height(). - // Fix in Qt 5. - return d - 1; -} -QFixed QCoreTextFontEngine::leading() const -{ - return (fontDef.styleStrategy & QFont::ForceIntegerMetrics) - ? QFixed::fromReal(CTFontGetLeading(ctfont)).round() - : QFixed::fromReal(CTFontGetLeading(ctfont)); -} -QFixed QCoreTextFontEngine::xHeight() const -{ - return (fontDef.styleStrategy & QFont::ForceIntegerMetrics) - ? QFixed::fromReal(CTFontGetXHeight(ctfont)).round() - : QFixed::fromReal(CTFontGetXHeight(ctfont)); -} -QFixed QCoreTextFontEngine::averageCharWidth() const -{ - // ### Need to implement properly and get the information from the OS/2 Table. - return (fontDef.styleStrategy & QFont::ForceIntegerMetrics) - ? QFontEngine::averageCharWidth().round() - : QFontEngine::averageCharWidth(); -} - -qreal QCoreTextFontEngine::maxCharWidth() const -{ - // ### Max Help! - return 0; - -} -qreal QCoreTextFontEngine::minLeftBearing() const -{ - // ### Min Help! - return 0; - -} -qreal QCoreTextFontEngine::minRightBearing() const -{ - // ### Max Help! (even thought it's right) - return 0; - -} - -void QCoreTextFontEngine::draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight) -{ - QVarLengthArray<QFixedPoint> positions; - QVarLengthArray<glyph_t> glyphs; - QTransform matrix; - matrix.translate(x, y); - getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions); - if (glyphs.size() == 0) - return; - - CGContextSetFontSize(ctx, fontDef.pixelSize); - - CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx); - - CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, -1, 0, -paintDeviceHeight); - - CGAffineTransformConcat(cgMatrix, oldTextMatrix); - - if (synthesisFlags & QFontEngine::SynthesizedItalic) - cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, -tanf(14 * acosf(0) / 90), 1, 0, 0)); - - cgMatrix = CGAffineTransformConcat(cgMatrix, transform); - - CGContextSetTextMatrix(ctx, cgMatrix); - - CGContextSetTextDrawingMode(ctx, kCGTextFill); - - - QVarLengthArray<CGSize> advances(glyphs.size()); - QVarLengthArray<CGGlyph> cgGlyphs(glyphs.size()); - - for (int i = 0; i < glyphs.size() - 1; ++i) { - advances[i].width = (positions[i + 1].x - positions[i].x).toReal(); - advances[i].height = (positions[i + 1].y - positions[i].y).toReal(); - cgGlyphs[i] = glyphs[i]; - } - advances[glyphs.size() - 1].width = 0; - advances[glyphs.size() - 1].height = 0; - cgGlyphs[glyphs.size() - 1] = glyphs[glyphs.size() - 1]; - - CGContextSetFont(ctx, cgFont); - //NSLog(@"Font inDraw %@ ctfont %@", CGFontCopyFullName(cgFont), CTFontCopyFamilyName(ctfont)); - - CGContextSetTextPosition(ctx, positions[0].x.toReal(), positions[0].y.toReal()); - - CGContextShowGlyphsWithAdvances(ctx, cgGlyphs.data(), advances.data(), glyphs.size()); - - if (synthesisFlags & QFontEngine::SynthesizedBold) { - CGContextSetTextPosition(ctx, positions[0].x.toReal() + 0.5 * lineThickness().toReal(), - positions[0].y.toReal()); - - CGContextShowGlyphsWithAdvances(ctx, cgGlyphs.data(), advances.data(), glyphs.size()); - } - - CGContextSetTextMatrix(ctx, oldTextMatrix); -} - -struct ConvertPathInfo -{ - ConvertPathInfo(QPainterPath *newPath, const QPointF &newPos) : path(newPath), pos(newPos) {} - QPainterPath *path; - QPointF pos; -}; - -static void convertCGPathToQPainterPath(void *info, const CGPathElement *element) -{ - ConvertPathInfo *myInfo = static_cast<ConvertPathInfo *>(info); - switch(element->type) { - case kCGPathElementMoveToPoint: - myInfo->path->moveTo(element->points[0].x + myInfo->pos.x(), - element->points[0].y + myInfo->pos.y()); - break; - case kCGPathElementAddLineToPoint: - myInfo->path->lineTo(element->points[0].x + myInfo->pos.x(), - element->points[0].y + myInfo->pos.y()); - break; - case kCGPathElementAddQuadCurveToPoint: - myInfo->path->quadTo(element->points[0].x + myInfo->pos.x(), - element->points[0].y + myInfo->pos.y(), - element->points[1].x + myInfo->pos.x(), - element->points[1].y + myInfo->pos.y()); - break; - case kCGPathElementAddCurveToPoint: - myInfo->path->cubicTo(element->points[0].x + myInfo->pos.x(), - element->points[0].y + myInfo->pos.y(), - element->points[1].x + myInfo->pos.x(), - element->points[1].y + myInfo->pos.y(), - element->points[2].x + myInfo->pos.x(), - element->points[2].y + myInfo->pos.y()); - break; - case kCGPathElementCloseSubpath: - myInfo->path->closeSubpath(); - break; - default: - qDebug() << "Unhandled path transform type: " << element->type; - } - -} - -void QCoreTextFontEngine::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nGlyphs, - QPainterPath *path, QTextItem::RenderFlags) -{ - - CGAffineTransform cgMatrix = CGAffineTransformIdentity; - cgMatrix = CGAffineTransformScale(cgMatrix, 1, -1); - - if (synthesisFlags & QFontEngine::SynthesizedItalic) - cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, -tanf(14 * acosf(0) / 90), 1, 0, 0)); - - - for (int i = 0; i < nGlyphs; ++i) { - QCFType<CGPathRef> cgpath = CTFontCreatePathForGlyph(ctfont, glyphs[i], &cgMatrix); - ConvertPathInfo info(path, positions[i].toPointF()); - CGPathApply(cgpath, &info, convertCGPathToQPainterPath); - } -} - -QImage QCoreTextFontEngine::imageForGlyph(glyph_t glyph, int margin, bool aa) -{ - const glyph_metrics_t br = boundingBox(glyph); - QImage im(qRound(br.width)+2, qRound(br.height)+2, QImage::Format_RGB32); - im.fill(0); - - CGColorSpaceRef colorspace = QCoreGraphicsPaintEngine::macGenericColorSpace(); - uint cgflags = kCGImageAlphaNoneSkipFirst; -#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version - cgflags |= kCGBitmapByteOrder32Host; -#endif - CGContextRef ctx = CGBitmapContextCreate(im.bits(), im.width(), im.height(), - 8, im.bytesPerLine(), colorspace, - cgflags); - CGContextSetFontSize(ctx, fontDef.pixelSize); - CGContextSetShouldAntialias(ctx, aa || - (fontDef.pointSize > qt_antialiasing_threshold - && !(fontDef.styleStrategy & QFont::NoAntialias))); - CGContextSetShouldSmoothFonts(ctx, aa); - CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx); - CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, 1, 0, 0); - - CGAffineTransformConcat(cgMatrix, oldTextMatrix); - - if (synthesisFlags & QFontEngine::SynthesizedItalic) - cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, tanf(14 * acosf(0) / 90), 1, 0, 0)); - - cgMatrix = CGAffineTransformConcat(cgMatrix, transform); - - CGContextSetTextMatrix(ctx, cgMatrix); - CGContextSetRGBFillColor(ctx, 1, 1, 1, 1); - CGContextSetTextDrawingMode(ctx, kCGTextFill); - - ATSFontRef atsfont = CTFontGetPlatformFont(ctfont, 0); - QCFType<CGFontRef> cgFont = CGFontCreateWithPlatformFont(&atsfont); - CGContextSetFont(ctx, cgFont); - - qreal pos_x = -br.x.toReal()+1, pos_y = im.height()+br.y.toReal(); - CGContextSetTextPosition(ctx, pos_x, pos_y); - - CGSize advance; - advance.width = 0; - advance.height = 0; - CGGlyph cgGlyph = glyph; - CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1); - - if (synthesisFlags & QFontEngine::SynthesizedBold) { - CGContextSetTextPosition(ctx, pos_x + 0.5 * lineThickness().toReal(), pos_y); - CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1); - } - - CGContextRelease(ctx); - - return im; -} - -QImage QCoreTextFontEngine::alphaMapForGlyph(glyph_t glyph) -{ - QImage im = imageForGlyph(glyph, 0, false); - - QImage indexed(im.width(), im.height(), QImage::Format_Indexed8); - QVector<QRgb> colors(256); - for (int i=0; i<256; ++i) - colors[i] = qRgba(0, 0, 0, i); - indexed.setColorTable(colors); - - for (int y=0; y<im.height(); ++y) { - uint *src = (uint*) im.scanLine(y); - uchar *dst = indexed.scanLine(y); - for (int x=0; x<im.width(); ++x) { - *dst = qGray(*src); - ++dst; - ++src; - } - } - - return indexed; -} - -QImage QCoreTextFontEngine::alphaRGBMapForGlyph(glyph_t glyph, int margin, const QTransform &x) -{ - if (x.type() >= QTransform::TxScale) - return QFontEngine::alphaRGBMapForGlyph(glyph, margin, x); - - QImage im = imageForGlyph(glyph, margin, true); - qmacfontengine_gamma_correct(&im); - return im; -} - -void QCoreTextFontEngine::recalcAdvances(int numGlyphs, QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const -{ - Q_ASSERT(false); - Q_UNUSED(numGlyphs); - Q_UNUSED(glyphs); - Q_UNUSED(flags); -} - -QFontEngine::FaceId QCoreTextFontEngine::faceId() const -{ - return QFontEngine::FaceId(); -} - -bool QCoreTextFontEngine::canRender(const QChar *string, int len) -{ - QCFType<CTFontRef> retFont = CTFontCreateForString(ctfont, - QCFType<CFStringRef>(CFStringCreateWithCharactersNoCopy(0, - reinterpret_cast<const UniChar *>(string), - len, kCFAllocatorNull)), - CFRangeMake(0, len)); - return retFont != 0; - return false; -} - - bool QCoreTextFontEngine::getSfntTableData(uint tag, uchar *buffer, uint *length) const - { - QCFType<CFDataRef> table = CTFontCopyTable(ctfont, tag, 0); - if (!table || !length) - return false; - CFIndex tableLength = CFDataGetLength(table); - int availableLength = *length; - *length = tableLength; - if (buffer) { - if (tableLength > availableLength) - return false; - CFDataGetBytes(table, CFRangeMake(0, tableLength), buffer); - } - return true; - } - -void QCoreTextFontEngine::getUnscaledGlyph(glyph_t, QPainterPath *, glyph_metrics_t *) -{ - // ### -} - -#endif // MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 - #ifndef QT_MAC_USE_COCOA QFontEngineMacMulti::QFontEngineMacMulti(const ATSFontFamilyRef &atsFamily, const ATSFontRef &atsFontRef, const QFontDef &fontDef, bool kerning) : QFontEngineMulti(0) @@ -1419,6 +749,7 @@ static inline unsigned int getChar(const QChar *str, int &i, const int len) return uc; } +// Not used directly for shaping, only used to calculate m_averageCharWidth bool QFontEngineMac::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const { if (!cmap) { @@ -1591,6 +922,27 @@ static void addGlyphsToPathHelper(ATSUStyle style, glyph_t *glyphs, QFixedPoint DisposeATSCubicClosePathUPP(closePath); } +QFont QFontEngineMac::createExplicitFont() const +{ + FMFont fmFont = FMGetFontFromATSFontRef(fontID); + + FMFontFamily fmFamily; + FMFontStyle fmStyle; + QString familyName; + if (!FMGetFontFamilyInstanceFromFont(fmFont, &fmFamily, &fmStyle)) { + ATSFontFamilyRef familyRef = FMGetATSFontFamilyRefFromFontFamily(fmFamily); + QCFString cfFamilyName;; + ATSFontFamilyGetName(familyRef, kATSOptionFlagsDefault, &cfFamilyName); + familyName = cfFamilyName; + } else { + QCFString cfFontName; + ATSFontGetName(fontID, kATSOptionFlagsDefault, &cfFontName); + familyName = cfFontName; + } + + return createExplicitFontWithName(familyName); +} + void QFontEngineMac::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs, QPainterPath *path, QTextItem::RenderFlags) { @@ -1677,7 +1029,7 @@ QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph) return indexed; } -QImage QFontEngineMac::alphaRGBMapForGlyph(glyph_t glyph, int margin, const QTransform &t) +QImage QFontEngineMac::alphaRGBMapForGlyph(glyph_t glyph, QFixed, int margin, const QTransform &t) { QImage im = imageForGlyph(glyph, margin, true); @@ -1685,7 +1037,7 @@ QImage QFontEngineMac::alphaRGBMapForGlyph(glyph_t glyph, int margin, const QTra im = im.transformed(t); } - qmacfontengine_gamma_correct(&im); + qGamma_correct_back_to_linear_cs(&im); return im; } |