diff options
Diffstat (limited to 'src/widgets')
| -rw-r--r-- | src/widgets/platforms/mac/qfontengine_coretext.mm | 870 | ||||
| -rw-r--r-- | src/widgets/platforms/mac/qfontengine_coretext_p.h | 153 |
2 files changed, 0 insertions, 1023 deletions
diff --git a/src/widgets/platforms/mac/qfontengine_coretext.mm b/src/widgets/platforms/mac/qfontengine_coretext.mm deleted file mode 100644 index 9943229787..0000000000 --- a/src/widgets/platforms/mac/qfontengine_coretext.mm +++ /dev/null @@ -1,870 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qfontengine_coretext_p.h" - -#include <QtCore/qendian.h> -#include <QtCore/qsettings.h> - -#include <private/qimage_p.h> - -#if !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) - -QT_BEGIN_NAMESPACE - -static float SYNTHETIC_ITALIC_SKEW = tanf(14 * acosf(0) / 90); - -static void loadAdvancesForGlyphs(CTFontRef ctfont, - QVarLengthArray<CGGlyph> &cgGlyphs, - QGlyphLayout *glyphs, int len, - QTextEngine::ShaperFlags flags, - const QFontDef &fontDef) -{ - Q_UNUSED(flags); - 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(); - } - } -} - -QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(const QCFString &name, 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; - } - - 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 = NULL; - // There is a side effect in Core Text: if we apply 0 as symbolic traits to a font in normal weight, - // we will get the light version of that font (while the way supposed to work doesn't: - // setting kCTFontWeightTrait to some value between -1.0 to 0.0 has no effect on font selection) - if (fontDef.weight != QFont::Normal || symbolicTraits) - 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); - } - init(kerning); -} - -QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(CTFontRef ctFontRef, const QFontDef &fontDef, bool kerning) - : QFontEngineMulti(0) -{ - this->fontDef = fontDef; - ctfont = (CTFontRef) CFRetain(ctFontRef); - init(kerning); -} - -QCoreTextFontEngineMulti::~QCoreTextFontEngineMulti() -{ - CFRelease(ctfont); -} - -void QCoreTextFontEngineMulti::init(bool kerning) -{ - Q_ASSERT(ctfont != NULL); - 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); - fontDef.family = fe->fontDef.family; - fontDef.styleName = fe->fontDef.styleName; - transform = fe->transform; - fe->ref.ref(); - engines.append(fe); -} - -uint QCoreTextFontEngineMulti::fontIndexForFont(CTFontRef font) const -{ - for (int i = 0; i < engines.count(); ++i) { - if (CFEqual(engineAt(i)->ctfont, font)) - return i; - } - - QCoreTextFontEngineMulti *that = const_cast<QCoreTextFontEngineMulti *>(this); - QCoreTextFontEngine *fe = new QCoreTextFontEngine(font, fontDef); - 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 flags, - unsigned short *logClusters, const HB_CharAttributes *, - QScriptItem *si) const -{ - QCFType<CFStringRef> cfstring = CFStringCreateWithCharactersNoCopy(0, - reinterpret_cast<const UniChar *>(str), - len, kCFAllocatorNull); - QCFType<CFAttributedStringRef> attributedString = CFAttributedStringCreate(0, cfstring, attributeDict); - QCFType<CTTypesetterRef> typeSetter; - -#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6 - if (flags & QTextEngine::RightToLeft) { - const void *optionKeys[] = { kCTTypesetterOptionForcedEmbeddingLevel }; - const short rtlForcedEmbeddingLevelValue = 1; - const void *rtlOptionValues[] = { CFNumberCreate(kCFAllocatorDefault, kCFNumberShortType, &rtlForcedEmbeddingLevelValue) }; - QCFType<CFDictionaryRef> options = CFDictionaryCreate(kCFAllocatorDefault, optionKeys, rtlOptionValues, 1, - &kCFCopyStringDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks); - typeSetter = CTTypesetterCreateWithAttributedStringAndOptions(attributedString, options); - } else -#else - Q_UNUSED(flags); -#endif - 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); - 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) - glyphCount++; - - 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)); - 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--; - - 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 + prepend; - (i < stringRange.location + stringRange.length) && (k < glyphCount); ++i) { - if (tmpIndices[k * rtlSign + rtlOffset] == i || i == stringRange.location + prepend) { - 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); - // Use negative y advance for flipped coordinate system - outAdvances_y[idx] = QFixed::fromReal(tmpPoints[i].y - tmpPoints[i + 1].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); - - if (endWithPDF) { - logClusters[stringRange.location + stringRange.length - 1] = glyphCount + prepend; - outGlyphs[glyphCount] = 0xFFFF; - outAdvances_x[glyphCount] = 0; - outAdvances_y[glyphCount] = 0; - outAttributes[glyphCount].clusterStart = true; - outAttributes[glyphCount].dontPrint = true; - glyphCount++; - } - } - 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; - - loadAdvancesForGlyphs(ctfont, cgGlyphs, glyphs, len, flags, fontDef); - return true; -} - -void QCoreTextFontEngineMulti::loadEngine(int) -{ - // Do nothing - Q_ASSERT(false); -} - -extern int qt_antialiasing_threshold; // from qapplication.cpp - -CGAffineTransform qt_transform_from_fontdef(const QFontDef &fontDef) -{ - CGAffineTransform transform = CGAffineTransformIdentity; - if (fontDef.stretch != 100) - transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1); - return transform; -} - -QCoreTextFontEngine::QCoreTextFontEngine(CTFontRef font, const QFontDef &def) -{ - fontDef = def; - transform = qt_transform_from_fontdef(fontDef); - ctfont = font; - CFRetain(ctfont); - cgFont = CTFontCopyGraphicsFont(font, NULL); - init(); -} - -QCoreTextFontEngine::QCoreTextFontEngine(CGFontRef font, const QFontDef &def) -{ - fontDef = def; - transform = qt_transform_from_fontdef(fontDef); - cgFont = font; - // Keep reference count balanced - CFRetain(cgFont); - ctfont = CTFontCreateWithGraphicsFont(font, fontDef.pixelSize, &transform, NULL); - init(); -} - -QCoreTextFontEngine::~QCoreTextFontEngine() -{ - CFRelease(cgFont); - CFRelease(ctfont); -} - -extern QFont::Weight weightFromInteger(int weight); // qfontdatabase.cpp - -int getTraitValue(CFDictionaryRef allTraits, CFStringRef trait) -{ - if (CFDictionaryContainsKey(allTraits, trait)) { - CFNumberRef traitNum = (CFNumberRef) CFDictionaryGetValue(allTraits, trait); - float v = 0; - CFNumberGetValue(traitNum, kCFNumberFloatType, &v); - // the value we get from CFNumberRef is from -1.0 to 1.0 - int value = v * 500 + 500; - return value; - } - - return 0; -} - -void QCoreTextFontEngine::init() -{ - Q_ASSERT(ctfont != NULL); - Q_ASSERT(cgFont != NULL); - - QCFString family = CTFontCopyFamilyName(ctfont); - fontDef.family = family; - - QCFString styleName = (CFStringRef) CTFontCopyAttribute(ctfont, kCTFontStyleNameAttribute); - fontDef.styleName = styleName; - - synthesisFlags = 0; - CTFontSymbolicTraits traits = CTFontGetSymbolicTraits(ctfont); - if (traits & kCTFontItalicTrait) - fontDef.style = QFont::StyleItalic; - - CFDictionaryRef allTraits = CTFontCopyTraits(ctfont); - fontDef.weight = weightFromInteger(getTraitValue(allTraits, kCTFontWeightTrait)); - int slant = getTraitValue(allTraits, kCTFontSlantTrait); - if (slant > 500 && !(traits & kCTFontItalicTrait)) - fontDef.style = QFont::StyleOblique; - CFRelease(allTraits); - - if (fontDef.weight >= QFont::Bold && !(traits & kCTFontBoldTrait)) - synthesisFlags |= SynthesizedBold; - // XXX: we probably don't need to synthesis italic for oblique font - if (fontDef.style != QFont::StyleNormal && !(traits & kCTFontItalicTrait)) - synthesisFlags |= SynthesizedItalic; - - avgCharWidth = 0; - QByteArray os2Table = getSfntTable(MAKE_TAG('O', 'S', '/', '2')); - unsigned emSize = CTFontGetUnitsPerEm(ctfont); - if (os2Table.size() >= 10) { - fsType = qFromBigEndian<quint16>(reinterpret_cast<const uchar *>(os2Table.constData() + 8)); - // qAbs is a workaround for weird fonts like Lucida Grande - qint16 width = qAbs(qFromBigEndian<qint16>(reinterpret_cast<const uchar *>(os2Table.constData() + 2))); - avgCharWidth = QFixed::fromReal(width * fontDef.pixelSize / emSize); - } else - avgCharWidth = QFontEngine::averageCharWidth(); -} - -bool QCoreTextFontEngine::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]; - - if (flags & QTextEngine::GlyphIndicesOnly) - return true; - - loadAdvancesForGlyphs(ctfont, cgGlyphs, glyphs, len, flags, fontDef); - return true; -} - -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); - if (synthesisFlags & QFontEngine::SynthesizedItalic) { - rect.size.width += rect.size.height * SYNTHETIC_ITALIC_SKEW; - } - 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 -{ - return (fontDef.styleStrategy & QFont::ForceIntegerMetrics) - ? avgCharWidth.round() : avgCharWidth; -} - -qreal QCoreTextFontEngine::maxCharWidth() const -{ - return 0; -} - -qreal QCoreTextFontEngine::minLeftBearing() const -{ - return 0; -} - -qreal QCoreTextFontEngine::minRightBearing() const -{ - 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, -SYNTHETIC_ITALIC_SKEW, 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, -SYNTHETIC_ITALIC_SKEW, 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, QFixed subPixelPosition, 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 = CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB); - 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, SYNTHETIC_ITALIC_SKEW, 1, 0, 0)); - - cgMatrix = CGAffineTransformConcat(cgMatrix, transform); - - CGContextSetTextMatrix(ctx, cgMatrix); - CGContextSetRGBFillColor(ctx, 1, 1, 1, 1); - CGContextSetTextDrawingMode(ctx, kCGTextFill); - - CGContextSetFont(ctx, cgFont); - - qreal pos_x = -br.x.truncate() + subPixelPosition.toReal(); - qreal 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, QFixed subPixelPosition) -{ - QImage im = imageForGlyph(glyph, subPixelPosition, 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, QFixed subPixelPosition, int margin, const QTransform &x) -{ - if (x.type() >= QTransform::TxScale) - return QFontEngine::alphaRGBMapForGlyph(glyph, subPixelPosition, margin, x); - - QImage im = imageForGlyph(glyph, subPixelPosition, margin, true); - qGamma_correct_back_to_linear_cs(&im); - return im; -} - -void QCoreTextFontEngine::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const -{ - int i, numGlyphs = glyphs->numGlyphs; - QVarLengthArray<CGGlyph> cgGlyphs(numGlyphs); - - for (i = 0; i < numGlyphs; ++i) { - if (glyphs->glyphs[i] & 0xff000000) - cgGlyphs[i] = 0; - else - cgGlyphs[i] = glyphs->glyphs[i]; - } - - loadAdvancesForGlyphs(ctfont, cgGlyphs, glyphs, numGlyphs, flags, fontDef); -} - -QFontEngine::FaceId QCoreTextFontEngine::faceId() const -{ - return QFontEngine::FaceId(); -} - -bool QCoreTextFontEngine::canRender(const QChar *string, int len) -{ - QVarLengthArray<CGGlyph> cgGlyphs(len); - return CTFontGetGlyphsForCharacters(ctfont, (const UniChar *) string, cgGlyphs.data(), len); -} - -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 *) -{ - // ### -} - -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, newFontDef); -} - -QT_END_NAMESPACE - -#endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) - diff --git a/src/widgets/platforms/mac/qfontengine_coretext_p.h b/src/widgets/platforms/mac/qfontengine_coretext_p.h deleted file mode 100644 index d8a3033be6..0000000000 --- a/src/widgets/platforms/mac/qfontengine_coretext_p.h +++ /dev/null @@ -1,153 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QFONTENGINE_CORETEXT_P_H -#define QFONTENGINE_CORETEXT_P_H - -#include <private/qfontengine_p.h> - -#if !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -class QRawFontPrivate; -class QCoreTextFontEngineMulti; -class QCoreTextFontEngine : public QFontEngine -{ -public: - QCoreTextFontEngine(CTFontRef font, const QFontDef &def); - QCoreTextFontEngine(CGFontRef font, const QFontDef &def); - ~QCoreTextFontEngine(); - - virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; - virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const; - - virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs); - virtual glyph_metrics_t boundingBox(glyph_t glyph); - - virtual QFixed ascent() const; - virtual QFixed descent() const; - virtual QFixed leading() const; - virtual QFixed xHeight() const; - virtual qreal maxCharWidth() const; - virtual QFixed averageCharWidth() const; - - virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs, - QPainterPath *path, QTextItem::RenderFlags); - - virtual const char *name() const { return "QCoreTextFontEngine"; } - - virtual bool canRender(const QChar *string, int len); - - virtual int synthesized() const { return synthesisFlags; } - virtual bool supportsSubPixelPositions() const { return true; } - - virtual Type type() const { return QFontEngine::Mac; } - - void draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight); - - virtual FaceId faceId() const; - virtual bool getSfntTableData(uint /*tag*/, uchar * /*buffer*/, uint * /*length*/) const; - virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics); - virtual QImage alphaMapForGlyph(glyph_t, QFixed subPixelPosition); - virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t); - virtual qreal minRightBearing() const; - virtual qreal minLeftBearing() const; - virtual QFixed emSquareSize() const; - - virtual QFontEngine *cloneWithSize(qreal pixelSize) const; - -private: - friend class QRawFontPrivate; - - void init(); - QImage imageForGlyph(glyph_t glyph, QFixed subPixelPosition, int margin, bool colorful); - CTFontRef ctfont; - CGFontRef cgFont; - int synthesisFlags; - CGAffineTransform transform; - QFixed avgCharWidth; - friend class QCoreTextFontEngineMulti; -}; - -class QCoreTextFontEngineMulti : public QFontEngineMulti -{ -public: - QCoreTextFontEngineMulti(const QCFString &name, const QFontDef &fontDef, bool kerning); - QCoreTextFontEngineMulti(CTFontRef ctFontRef, const QFontDef &fontDef, bool kerning); - ~QCoreTextFontEngineMulti(); - - virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, - QTextEngine::ShaperFlags flags) const; - bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, - QTextEngine::ShaperFlags flags, - unsigned short *logClusters, const HB_CharAttributes *charAttributes, - QScriptItem *si) const; - - virtual const char *name() const { return "CoreText"; } - inline CTFontRef macFontID() const { return ctfont; } - -protected: - virtual void loadEngine(int at); - -private: - void init(bool kerning); - inline const QCoreTextFontEngine *engineAt(int i) const - { return static_cast<const QCoreTextFontEngine *>(engines.at(i)); } - - uint fontIndexForFont(CTFontRef font) const; - CTFontRef ctfont; - mutable QCFType<CFMutableDictionaryRef> attributeDict; - CGAffineTransform transform; - friend class QFontDialogPrivate; -}; - -CGAffineTransform qt_transform_from_fontdef(const QFontDef &fontDef); - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) - -#endif // QFONTENGINE_CORETEXT_P_H |