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authorJason Barron <jbarron@trolltech.com>2009-06-25 13:49:53 (GMT)
committerJason Barron <jbarron@trolltech.com>2009-06-25 13:49:53 (GMT)
commitdb8f05e257019694f5e8076845626008f2adc3dd (patch)
tree05d3959403cf15ac5f702091439e028af01f343b /src/gui/text/qfontengine_mac.mm
parent8aafaa65a1d16f8b982279f5aceedf1e281ddb5a (diff)
parent796a5a2c7d8c91a46ac761dde18b7da2ec6c177b (diff)
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Merge commit 'qt/master-stable' into 4.6-stable
Bring Qt 4.6 into the Qt-S60 repo. Conflicts: configure.exe mkspecs/features/qttest_p4.prf qmake/generators/makefile.cpp src/corelib/io/qdir.cpp src/corelib/io/qprocess.h src/corelib/kernel/qcoreevent.h src/corelib/kernel/qobject.cpp src/corelib/kernel/qsharedmemory_unix.cpp src/corelib/thread/qthread_p.h src/corelib/tools/qvector.h src/gui/dialogs/qdialog.cpp src/gui/dialogs/qfiledialog.cpp src/gui/dialogs/qfiledialog_p.h src/gui/dialogs/qmessagebox.cpp src/gui/graphicsview/qgraphicsitem.cpp src/gui/graphicsview/qgraphicsview.cpp src/gui/image/qpixmapcache.cpp src/gui/kernel/qapplication.cpp src/gui/kernel/qapplication_p.h src/gui/kernel/qwidget.cpp src/gui/kernel/qwidget_p.h src/gui/painting/qdrawhelper.cpp src/gui/painting/qpaintengine_raster.cpp src/gui/text/qfontengine_qpf.cpp src/gui/widgets/qmenubar.cpp src/network/socket/qlocalserver.cpp src/testlib/qtestcase.cpp src/testlib/testlib.pro tests/auto/qimagereader/tst_qimagereader.cpp tests/auto/qitemdelegate/tst_qitemdelegate.cpp tests/auto/qnetworkreply/tst_qnetworkreply.cpp tests/auto/qpixmap/qpixmap.pro
Diffstat (limited to 'src/gui/text/qfontengine_mac.mm')
-rw-r--r--src/gui/text/qfontengine_mac.mm110
1 files changed, 74 insertions, 36 deletions
diff --git a/src/gui/text/qfontengine_mac.mm b/src/gui/text/qfontengine_mac.mm
index d397e4a..2e62086 100644
--- a/src/gui/text/qfontengine_mac.mm
+++ b/src/gui/text/qfontengine_mac.mm
@@ -135,12 +135,12 @@ QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(const ATSFontFamilyRef &, con
symbolicTraits |= kCTFontItalicTrait;
break;
}
-
+
QCFString name;
ATSFontGetName(atsFontRef, kATSOptionFlagsDefault, &name);
- QCFType<CTFontDescriptorRef> descriptor = CTFontDescriptorCreateWithNameAndSize(name, fontDef.pixelSize);
- QCFType<CTFontRef> baseFont = CTFontCreateWithFontDescriptor(descriptor, fontDef.pixelSize, 0);
- ctfont = CTFontCreateCopyWithSymbolicTraits(baseFont, fontDef.pixelSize, 0, symbolicTraits, symbolicTraits);
+ QCFType<CTFontDescriptorRef> descriptor = CTFontDescriptorCreateWithNameAndSize(name, fontDef.pointSize);
+ QCFType<CTFontRef> baseFont = CTFontCreateWithFontDescriptor(descriptor, fontDef.pointSize, 0);
+ ctfont = CTFontCreateCopyWithSymbolicTraits(baseFont, fontDef.pointSize, 0, symbolicTraits, symbolicTraits);
// CTFontCreateCopyWithSymbolicTraits returns NULL if we ask for a trait that does
// not exist for the given font. (for example italic)
@@ -162,7 +162,7 @@ QCoreTextFontEngineMulti::QCoreTextFontEngineMulti(const ATSFontFamilyRef &, con
QCoreTextFontEngine *fe = new QCoreTextFontEngine(ctfont, fontDef, this);
fe->ref.ref();
engines.append(fe);
-
+
}
QCoreTextFontEngineMulti::~QCoreTextFontEngineMulti()
@@ -176,7 +176,7 @@ uint QCoreTextFontEngineMulti::fontIndexForFont(CTFontRef id) const
if (CFEqual(engineAt(i)->ctfont, id))
return i;
}
-
+
QCoreTextFontEngineMulti *that = const_cast<QCoreTextFontEngineMulti *>(this);
QCoreTextFontEngine *fe = new QCoreTextFontEngine(id, fontDef, that);
fe->ref.ref();
@@ -227,7 +227,7 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay
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);
+ QVarLengthArray<CGGlyph, 512> cgglyphs(0);
const CGGlyph *tmpGlyphs = CTRunGetGlyphsPtr(run);
if (!tmpGlyphs) {
cgglyphs.resize(glyphCount);
@@ -260,7 +260,7 @@ bool QCoreTextFontEngineMulti::stringToCMap(const QChar *str, int len, QGlyphLay
CFIndex k = 0;
CFIndex i = 0;
- for (i = stringRange.location;
+ 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;
@@ -425,28 +425,28 @@ void QCoreTextFontEngine::draw(CGContextRef ctx, qreal x, qreal y, const QTextIt
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();
@@ -455,21 +455,21 @@ void QCoreTextFontEngine::draw(CGContextRef ctx, qreal x, qreal y, const QTextIt
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);
}
@@ -624,7 +624,7 @@ QFontEngine::FaceId QCoreTextFontEngine::faceId() const
bool QCoreTextFontEngine::canRender(const QChar *string, int len)
{
- QCFType<CTFontRef> retFont = CTFontCreateForString(ctfont,
+ QCFType<CTFontRef> retFont = CTFontCreateForString(ctfont,
QCFType<CFStringRef>(CFStringCreateWithCharactersNoCopy(0,
reinterpret_cast<const UniChar *>(string),
len, kCFAllocatorNull)),
@@ -674,7 +674,7 @@ QFontEngineMacMulti::QFontEngineMacMulti(const ATSFontFamilyRef &atsFamily, cons
} else {
if (fontDef.weight >= QFont::Bold)
fntStyle |= ::bold;
- if (fontDef.style != QFont::StyleNormal)
+ if (fontDef.style != QFont::StyleNormal)
fntStyle |= ::italic;
FMFontStyle intrinsicStyle;
@@ -957,7 +957,7 @@ bool QFontEngineMacMulti::stringToCMap(const QChar *str, int len, QGlyphLayout *
tmpItem.length = charCount;
tmpItem.glyphs = shaperItem.glyphs.mid(glyphIdx, glyphCount);
tmpItem.log_clusters = shaperItem.log_clusters + charIdx;
- if (!stringToCMapInternal(tmpItem.string + tmpItem.from, tmpItem.length,
+ if (!stringToCMapInternal(tmpItem.string + tmpItem.from, tmpItem.length,
&tmpItem.glyphs, &glyphCount, flags,
&tmpItem)) {
*nglyphs = glyphIdx + glyphCount;
@@ -1223,12 +1223,12 @@ QFontEngineMac::QFontEngineMac(ATSUStyle baseStyle, ATSUFontID fontID, const QFo
transform = multiEngine->transform;
else
transform = CGAffineTransformIdentity;
-
+
ATSUTextMeasurement metric;
ATSUGetAttribute(style, kATSUAscentTag, sizeof(metric), &metric, 0);
m_ascent = FixRound(metric);
-
+
ATSUGetAttribute(style, kATSUDescentTag, sizeof(metric), &metric, 0);
m_descent = FixRound(metric);
@@ -1424,11 +1424,16 @@ void QFontEngineMac::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, in
addGlyphsToPathHelper(style, glyphs, positions, numGlyphs, path);
}
-QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph)
+
+/*!
+ Helper function for alphaMapForGlyph and alphaRGBMapForGlyph. The two are identical, except for
+ the subpixel antialiasing...
+*/
+QImage QFontEngineMac::imageForGlyph(glyph_t glyph, int margin, bool colorful)
{
const glyph_metrics_t br = boundingBox(glyph);
QImage im(qRound(br.width)+2, qRound(br.height)+4, QImage::Format_RGB32);
- im.fill(0);
+ im.fill(0xff000000);
CGColorSpaceRef colorspace = QCoreGraphicsPaintEngine::macGenericColorSpace();
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
@@ -1446,7 +1451,7 @@ QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph)
CGContextSetFontSize(ctx, fontDef.pixelSize);
CGContextSetShouldAntialias(ctx, fontDef.pointSize > qt_antialiasing_threshold && !(fontDef.styleStrategy & QFont::NoAntialias));
// turn off sub-pixel hinting - no support for that in OpenGL
- CGContextSetShouldSmoothFonts(ctx, false);
+ CGContextSetShouldSmoothFonts(ctx, colorful);
CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx);
CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, 1, 0, 0);
CGAffineTransformConcat(cgMatrix, oldTextMatrix);
@@ -1478,6 +1483,13 @@ QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph)
CGContextRelease(ctx);
+ return im;
+}
+
+QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph)
+{
+ QImage im = imageForGlyph(glyph, 2, false);
+
QImage indexed(im.width(), im.height(), QImage::Format_Indexed8);
QVector<QRgb> colors(256);
for (int i=0; i<256; ++i)
@@ -1497,6 +1509,32 @@ QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph)
return indexed;
}
+QImage QFontEngineMac::alphaRGBMapForGlyph(glyph_t glyph, int margin, const QTransform &t)
+{
+ QImage im = imageForGlyph(glyph, margin, true);
+
+ if (t.type() >= QTransform::TxScale) {
+ im = im.transformed(t);
+ }
+
+ extern uchar qt_pow_rgb_gamma[256];
+
+ // gamma correct the pixels back to linear color space...
+ for (int y=0; y<im.height(); ++y) {
+ uint *pixels = (uint *) im.scanLine(y);
+ for (int x=0; x<im.width(); ++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;
+ }
+ }
+
+ return im;
+}
+
+
bool QFontEngineMac::canRender(const QChar *string, int len)
{
Q_ASSERT(false);
@@ -1650,7 +1688,7 @@ QFontEngine::Properties QFontEngineMac::properties() const
if (ATSFontGetTable(atsFont, MAKE_TAG('p', 'o', 's', 't'), 10, 2, &lw, 0) == noErr)
lw = qFromBigEndian<quint16>(lw);
props.lineWidth = lw;
-
+
// CTFontCopyPostScriptName
QCFString psName;
if (ATSFontGetPostScriptName(FMGetATSFontRefFromFont(fontID), kATSOptionFlagsDefault, &psName) == noErr)
@@ -1665,7 +1703,7 @@ void QFontEngineMac::getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_m
ATSUCreateAndCopyStyle(style, &unscaledStyle);
int emSquare = properties().emSquare.toInt();
-
+
const int maxAttributeCount = 4;
ATSUAttributeTag tags[maxAttributeCount + 1];
ByteCount sizes[maxAttributeCount + 1];
@@ -1677,7 +1715,7 @@ void QFontEngineMac::getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_m
sizes[attributeCount] = sizeof(size);
values[attributeCount] = &size;
++attributeCount;
-
+
Q_ASSERT(attributeCount < maxAttributeCount + 1);
OSStatus err = ATSUSetAttributes(unscaledStyle, attributeCount, tags, sizes, values);
Q_ASSERT(err == noErr);