CGAffineTransform PDFPageGetDrawingTransform(CGPDFPageRef page, CGPDFBox box, float scale)
{
CGRect boxRect = CGPDFPageGetBoxRect(page, box);
int rotation = PDFPageGetRotation(page);
CGAffineTransform transform = CGAffineTransformMakeScale(scale, scale);
transform = CGAffineTransformRotate(transform, -(rotation * M_PI_2));
switch (rotation)
{
case 1:
transform = CGAffineTransformTranslate(transform, -CGRectGetWidth(boxRect), 0);
break;
case 2:
transform = CGAffineTransformTranslate(transform, -CGRectGetWidth(boxRect), 0);
transform = CGAffineTransformTranslate(transform, 0, -CGRectGetHeight(boxRect));
break;
case 3:
transform = CGAffineTransformTranslate(transform, 0, -CGRectGetHeight(boxRect));
break;
default:
break;
}
transform = CGAffineTransformTranslate(transform, -boxRect.origin.x, -boxRect.origin.y);
return transform;
}
DRAW_TEST_F(CGImageDrawing, DrawAContextIntoAnImage, UIKitMimicTest<>) {
// This test will create a bitmap context, draw some entity into the context, then create a image out of the bitmap context.
// Thereafter it will draw the image into the Canvas context
static woc::unique_cf<CGColorSpaceRef> rgbColorSpace(CGColorSpaceCreateDeviceRGB());
// Create a bitmap context to draw the Image into
woc::unique_cf<CGContextRef> contextImage(CGBitmapContextCreate(
nullptr, 10, 10, 8, 4 * 10 /* bytesPerRow = bytesPerPixel*width*/, rgbColorSpace.get(), kCGImageAlphaPremultipliedFirst));
ASSERT_NE(contextImage, nullptr);
CGContextSetRGBFillColor(contextImage.get(), 1.0, 0.0, 0.0, 1.0);
CGContextFillRect(contextImage.get(), { 0, 0, 10, 10 });
// Create the image out of the bitmap context
woc::unique_cf<CGImageRef> image(CGBitmapContextCreateImage(contextImage.get()));
ASSERT_NE(image, nullptr);
CGContextRef context = GetDrawingContext();
CGRect bounds = GetDrawingBounds();
CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
CGAffineTransform shift = CGAffineTransformTranslate(flip, 0, bounds.size.height * -1);
CGContextConcatCTM(context, shift);
// draw the image
CGContextDrawImage(context, bounds, image.get());
}
void PlatformCALayer::drawRepaintIndicator(CGContextRef context, PlatformCALayer* platformCALayer, int repaintCount, CGColorRef customBackgroundColor)
{
char text[16]; // that's a lot of repaints
snprintf(text, sizeof(text), "%d", repaintCount);
CGRect indicatorBox = platformCALayer->bounds();
indicatorBox.size.width = 12 + 10 * strlen(text);
indicatorBox.size.height = 27;
CGContextSaveGState(context);
CGContextSetAlpha(context, 0.5f);
CGContextBeginTransparencyLayerWithRect(context, indicatorBox, 0);
if (customBackgroundColor)
CGContextSetFillColorWithColor(context, customBackgroundColor);
else
CGContextSetRGBFillColor(context, 0, 0.5f, 0.25f, 1);
CGContextFillRect(context, indicatorBox);
if (platformCALayer->acceleratesDrawing())
CGContextSetRGBFillColor(context, 1, 0, 0, 1);
else
CGContextSetRGBFillColor(context, 1, 1, 1, 1);
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
CGContextSetTextMatrix(context, CGAffineTransformMakeScale(1, -1));
CGContextSelectFont(context, "Helvetica", 22, kCGEncodingMacRoman);
CGContextShowTextAtPoint(context, indicatorBox.origin.x + 5, indicatorBox.origin.y + 22, text, strlen(text));
#pragma clang diagnostic pop
CGContextEndTransparencyLayer(context);
CGContextRestoreGState(context);
}
// This function is needed to work around a bug in Windows CG <rdar://problem/22703470>
void PlatformCALayer::drawTextAtPoint(CGContextRef context, CGFloat x, CGFloat y, CGSize scale, CGFloat fontSize, const char* text, size_t length) const
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
CGContextSetTextMatrix(context, CGAffineTransformMakeScale(scale.width, scale.height));
CGContextSelectFont(context, "Helvetica", fontSize, kCGEncodingMacRoman);
CGContextShowTextAtPoint(context, x, y, text, length);
#pragma clang diagnostic pop
}
void WKCACFLayer::display(PlatformGraphicsContext* context)
{
if (!m_owner)
return;
CGContextSaveGState(context);
CGRect layerBounds = bounds();
if (m_owner->contentsOrientation() == WebCore::GraphicsLayer::CompositingCoordinatesTopDown) {
CGContextScaleCTM(context, 1, -1);
CGContextTranslateCTM(context, 0, -layerBounds.size.height);
}
if (m_owner->client()) {
GraphicsContext graphicsContext(context);
// It's important to get the clip from the context, because it may be significantly
// smaller than the layer bounds (e.g. tiled layers)
CGRect clipBounds = CGContextGetClipBoundingBox(context);
IntRect clip(enclosingIntRect(clipBounds));
m_owner->paintGraphicsLayerContents(graphicsContext, clip);
}
#ifndef NDEBUG
else {
ASSERT_NOT_REACHED();
// FIXME: ideally we'd avoid calling -setNeedsDisplay on a layer that is a plain color,
// so CA never makes backing store for it (which is what -setNeedsDisplay will do above).
CGContextSetRGBFillColor(context, 0.0f, 1.0f, 0.0f, 1.0f);
CGContextFillRect(context, layerBounds);
}
#endif
if (m_owner->showRepaintCounter()) {
char text[16]; // that's a lot of repaints
_snprintf(text, sizeof(text), "%d", m_owner->incrementRepaintCount());
CGContextSaveGState(context);
CGContextSetRGBFillColor(context, 1.0f, 0.0f, 0.0f, 0.8f);
CGRect aBounds = layerBounds;
aBounds.size.width = 10 + 12 * strlen(text);
aBounds.size.height = 25;
CGContextFillRect(context, aBounds);
CGContextSetRGBFillColor(context, 0.0f, 0.0f, 0.0f, 1.0f);
CGContextSetTextMatrix(context, CGAffineTransformMakeScale(1.0f, -1.0f));
CGContextSelectFont(context, "Helvetica", 25, kCGEncodingMacRoman);
CGContextShowTextAtPoint(context, aBounds.origin.x + 3.0f, aBounds.origin.y + 20.0f, text, strlen(text));
CGContextRestoreGState(context);
}
CGContextRestoreGState(context);
}
//-----------------------------------------------------------------------------
void CGDrawContext::drawCGImageRef (CGContextRef context, CGImageRef image, CGLayerRef layer, double bitmapScaleFactor, const CRect& inRect, const CPoint& inOffset, float alpha, CBitmap* bitmap)
{
CRect rect (inRect);
CPoint offset (inOffset);
CGContextSetAlpha (context, (CGFloat)alpha*currentState.globalAlpha);
CGRect dest;
dest.origin.x = static_cast<CGFloat> (rect.left - offset.x);
dest.origin.y = static_cast<CGFloat> (-(rect.top) - (bitmap->getHeight () - offset.y));
dest.size.width = static_cast<CGFloat> (bitmap->getWidth ());
dest.size.height = static_cast<CGFloat> (bitmap->getHeight ());
CGRect clipRect;
clipRect.origin.x = static_cast<CGFloat> (rect.left);
clipRect.origin.y = static_cast<CGFloat> (-(rect.top) - rect.getHeight ());
clipRect.size.width = static_cast<CGFloat> (rect.getWidth ());
clipRect.size.height = static_cast<CGFloat> (rect.getHeight ());
if (bitmapScaleFactor != 1.)
{
CGContextConcatCTM (context, CGAffineTransformMakeScale (static_cast<CGFloat> (1./bitmapScaleFactor), static_cast<CGFloat> (1./bitmapScaleFactor)));
CGAffineTransform transform = CGAffineTransformMakeScale (static_cast<CGFloat> (bitmapScaleFactor), static_cast<CGFloat> (bitmapScaleFactor));
clipRect.origin = CGPointApplyAffineTransform (clipRect.origin, transform);
clipRect.size = CGSizeApplyAffineTransform (clipRect.size, transform);
dest.origin = CGPointApplyAffineTransform (dest.origin, transform);
dest.size = CGSizeApplyAffineTransform (dest.size, transform);
}
dest = pixelAlligned (dest);
clipRect = pixelAlligned (clipRect);
CGContextClipToRect (context, clipRect);
if (layer)
{
CGContextDrawLayerInRect (context, dest, layer);
}
else
{
CGContextDrawImage (context, dest, image);
}
}
//-----------------------------------------------------------------------------
CGDrawContext::CGDrawContext (CGBitmap* _bitmap)
: COffscreenContext (new CBitmap (_bitmap))
, cgContext (_bitmap->createCGContext ())
, scaleFactor (_bitmap->getScaleFactor ())
{
if (scaleFactor != 1.)
{
CGContextConcatCTM (cgContext, CGAffineTransformMakeScale (static_cast<CGFloat> (scaleFactor), static_cast<CGFloat> (scaleFactor)));
}
init ();
bitmap->forget ();
}
// This function is needed to work around a bug in Windows CG <rdar://problem/22703470>
void PlatformCALayer::drawTextAtPoint(CGContextRef context, CGFloat x, CGFloat y, CGSize scale, CGFloat fontSize, const char* text, size_t length) const
{
auto matrix = CGAffineTransformMakeScale(scale.width, scale.height);
auto font = adoptCF(CTFontCreateWithName(CFSTR("Helvetica"), fontSize, &matrix));
CFTypeRef keys[] = { kCTFontAttributeName, kCTForegroundColorFromContextAttributeName };
CFTypeRef values[] = { font.get(), kCFBooleanTrue };
auto attributes = adoptCF(CFDictionaryCreate(kCFAllocatorDefault, keys, values, WTF_ARRAY_LENGTH(keys), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
auto string = adoptCF(CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const UInt8*>(text), length, kCFStringEncodingUTF8, false, kCFAllocatorNull));
auto attributedString = adoptCF(CFAttributedStringCreate(kCFAllocatorDefault, string.get(), attributes.get()));
auto line = adoptCF(CTLineCreateWithAttributedString(attributedString.get()));
CGContextSetTextPosition(context, x, y);
CTLineDraw(line.get(), context);
}
DRAW_TEST_F(CGImageDrawing, DrawAnImage, UIKitMimicTest<>) {
// Load an Image and draw it into the canvas context
auto drawingConfig = DrawingTestConfig::Get();
woc::unique_cf<CFStringRef> testFilename{ _CFStringCreateWithStdString(drawingConfig->GetResourcePath("jpg1.jpg")) };
woc::unique_cf<CGImageRef> image{ _CGImageCreateFromJPEGFile(testFilename.get()) };
ASSERT_NE(image, nullptr);
CGContextRef context = GetDrawingContext();
CGRect bounds = GetDrawingBounds();
CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
CGAffineTransform shift = CGAffineTransformTranslate(flip, 0, bounds.size.height * -1);
CGContextConcatCTM(context, shift);
CGContextDrawImage(context, bounds, image.get());
}
DISABLED_DRAW_TEST_F(CGImageDrawing, DrawIntoRect, UIKitMimicTest<>) {
// Draw a portion of an image into a different region.
auto drawingConfig = DrawingTestConfig::Get();
woc::unique_cf<CFStringRef> testFilename{ _CFStringCreateWithStdString(drawingConfig->GetResourcePath("png3.9.png")) };
woc::unique_cf<CGImageRef> image{ _CGImageCreateFromPNGFile(testFilename.get()) };
ASSERT_NE(image, nullptr);
CGContextRef context = GetDrawingContext();
CGRect bounds = GetDrawingBounds();
CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
CGAffineTransform shift = CGAffineTransformTranslate(flip, 0, bounds.size.height * -1);
CGContextConcatCTM(context, shift);
_CGContextDrawImageRect(context,
image.get(),
{ 0, 0, bounds.size.width / 4, bounds.size.height / 4 },
{ 0, 0, bounds.size.width, bounds.size.height });
}
float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
{
#if __WXMSW__
// under Windows / wxMSW we currently always use GDI fonts.
return widthForGDIGlyph(glyph);
#elif OS(DARWIN)
float pointSize = m_platformData.size();
CGAffineTransform m = CGAffineTransformMakeScale(pointSize, pointSize);
CGSize advance;
NSFont* nsfont = (NSFont*)m_platformData.nsFont();
if (!wkGetGlyphTransformedAdvances(m_platformData.cgFont(), nsfont, &m, &glyph, &advance)) {
// LOG_ERROR("Unable to cache glyph widths for %@ %f", [nsfont displayName], pointSize);
advance.width = 0;
}
return advance.width + m_syntheticBoldOffset;
#else
// TODO: fix this! Make GetTextExtents a method of wxFont in 2.9
int width = 10;
GetTextExtent(*m_platformData.font(), (wxChar)glyph, &width, NULL);
return width;
#endif
}
void
ScaledFontMac::CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, BackendType aBackendType, const Matrix *aTransformHint)
{
if (!(aBackendType == BackendType::COREGRAPHICS || aBackendType == BackendType::COREGRAPHICS_ACCELERATED)) {
ScaledFontBase::CopyGlyphsToBuilder(aBuffer, aBuilder, aBackendType, aTransformHint);
return;
}
PathBuilderCG *pathBuilderCG =
static_cast<PathBuilderCG*>(aBuilder);
// XXX: check builder type
for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) {
// XXX: we could probably fold both of these transforms together to avoid extra work
CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
CGPathRef glyphPath = ::CGFontGetGlyphPath(mFont, &flip, 0, aBuffer.mGlyphs[i].mIndex);
CGAffineTransform matrix = CGAffineTransformMake(mSize, 0, 0, mSize,
aBuffer.mGlyphs[i].mPosition.x,
aBuffer.mGlyphs[i].mPosition.y);
CGPathAddPath(pathBuilderCG->mCGPath, &matrix, glyphPath);
CGPathRelease(glyphPath);
}
}
TemporaryRef<Path>
ScaledFontMac::GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget)
{
if (aTarget->GetType() == BackendType::COREGRAPHICS || aTarget->GetType() == BackendType::COREGRAPHICS_ACCELERATED) {
CGMutablePathRef path = CGPathCreateMutable();
for (unsigned int i = 0; i < aBuffer.mNumGlyphs; i++) {
// XXX: we could probably fold both of these transforms together to avoid extra work
CGAffineTransform flip = CGAffineTransformMakeScale(1, -1);
CGPathRef glyphPath = ::CGFontGetGlyphPath(mFont, &flip, 0, aBuffer.mGlyphs[i].mIndex);
CGAffineTransform matrix = CGAffineTransformMake(mSize, 0, 0, mSize,
aBuffer.mGlyphs[i].mPosition.x,
aBuffer.mGlyphs[i].mPosition.y);
CGPathAddPath(path, &matrix, glyphPath);
CGPathRelease(glyphPath);
}
TemporaryRef<Path> ret = new PathCG(path, FillRule::FILL_WINDING);
CGPathRelease(path);
return ret;
}
return ScaledFontBase::GetPathForGlyphs(aBuffer, aTarget);
}
CGContextRef BitLockerSkia::cgContext()
{
SkDevice* device = m_canvas->getDevice();
ASSERT(device);
if (!device)
return 0;
releaseIfNeeded();
const SkBitmap& bitmap = device->accessBitmap(true);
bitmap.lockPixels();
void* pixels = bitmap.getPixels();
m_cgContext = CGBitmapContextCreate(pixels, device->width(),
device->height(), 8, bitmap.rowBytes(), CGColorSpaceCreateDeviceRGB(),
kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst);
// Apply device matrix.
CGAffineTransform contentsTransform = CGAffineTransformMakeScale(1, -1);
contentsTransform = CGAffineTransformTranslate(contentsTransform, 0, -device->height());
CGContextConcatCTM(m_cgContext, contentsTransform);
// Apply clip in device coordinates.
CGMutablePathRef clipPath = CGPathCreateMutable();
SkRegion::Iterator iter(m_canvas->getTotalClip());
for (; !iter.done(); iter.next()) {
IntRect rect = iter.rect();
CGPathAddRect(clipPath, 0, rect);
}
CGContextAddPath(m_cgContext, clipPath);
CGContextClip(m_cgContext);
CGPathRelease(clipPath);
// Apply content matrix.
const SkMatrix& skMatrix = m_canvas->getTotalMatrix();
CGAffineTransform affine = SkMatrixToCGAffineTransform(skMatrix);
CGContextConcatCTM(m_cgContext, affine);
return m_cgContext;
}
void QFontDatabase::load(const QFontPrivate *d, int script)
{
// sanity checks
if(!qApp)
qWarning("QFont: Must construct a QApplication before a QFont");
Q_ASSERT(script >= 0 && script < QUnicodeTables::ScriptCount);
Q_UNUSED(script);
QFontDef req = d->request;
req.pixelSize = qt_mac_pixelsize(req, d->dpi);
// set the point size to 0 to get better caching
req.pointSize = 0;
QFontCache::Key key = QFontCache::Key(req, QUnicodeTables::Common, d->screen);
if(!(d->engineData = QFontCache::instance()->findEngineData(key))) {
d->engineData = new QFontEngineData;
QFontCache::instance()->insertEngineData(key, d->engineData);
} else {
d->engineData->ref.ref();
}
if(d->engineData->engine) // already loaded
return;
// set it to the actual pointsize, so QFontInfo will do the right thing
req.pointSize = qRound(qt_mac_pointsize(d->request, d->dpi));
QFontEngine *e = QFontCache::instance()->findEngine(key);
if(!e && qt_enable_test_font && req.family == QLatin1String("__Qt__Box__Engine__")) {
e = new QTestFontEngine(req.pixelSize);
e->fontDef = req;
}
if(e) {
e->ref.ref();
d->engineData->engine = e;
return; // the font info and fontdef should already be filled
}
//find the font
QStringList family_list = familyList(req);
const char *stylehint = styleHint(req);
if (stylehint)
family_list << QLatin1String(stylehint);
// add QFont::defaultFamily() to the list, for compatibility with
// previous versions
family_list << QApplication::font().defaultFamily();
ATSFontFamilyRef familyRef = 0;
ATSFontRef fontRef = 0;
QMutexLocker locker(fontDatabaseMutex());
QFontDatabasePrivate *db = privateDb();
if (!db->count)
initializeDb();
for(int i = 0; i < family_list.size(); ++i) {
for (int k = 0; k < db->count; ++k) {
if (db->families[k]->name.compare(family_list.at(i), Qt::CaseInsensitive) == 0) {
QByteArray family_name = db->families[k]->name.toUtf8();
familyRef = ATSFontFamilyFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
if (familyRef) {
fontRef = ATSFontFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
goto FamilyFound;
} else {
#if defined(QT_MAC_USE_COCOA)
// ATS and CT disagrees on what the family name should be,
// use CT to look up the font if ATS fails.
QCFString familyName = QString::fromAscii(family_name);
QCFType<CTFontRef> CTfontRef = CTFontCreateWithName(familyName, 12, NULL);
QCFType<CTFontDescriptorRef> fontDescriptor = CTFontCopyFontDescriptor(CTfontRef);
QCFString displayName = (CFStringRef)CTFontDescriptorCopyAttribute(fontDescriptor, kCTFontDisplayNameAttribute);
familyRef = ATSFontFamilyFindFromName(displayName, kATSOptionFlagsDefault);
if (familyRef) {
fontRef = ATSFontFindFromName(displayName, kATSOptionFlagsDefault);
goto FamilyFound;
}
#endif
}
}
}
}
FamilyFound:
//fill in the engine's font definition
QFontDef fontDef = d->request; //copy..
if(fontDef.pointSize < 0)
fontDef.pointSize = qt_mac_pointsize(fontDef, d->dpi);
else
fontDef.pixelSize = qt_mac_pixelsize(fontDef, d->dpi);
#if 0
ItemCount name_count;
if(ATSUCountFontNames(fontID, &name_count) == noErr && name_count) {
ItemCount actualName_size;
if(ATSUGetIndFontName(fontID, 0, 0, 0, &actualName_size, 0, 0, 0, 0) == noErr && actualName_size) {
QByteArray actualName(actualName_size);
if(ATSUGetIndFontName(fontID, 0, actualName_size, actualName.data(), &actualName_size, 0, 0, 0, 0) == noErr && actualName_size)
fontDef.family = QString::fromUtf8(actualName);
}
}
#else
{
QCFString actualName;
if(ATSFontFamilyGetName(familyRef, kATSOptionFlagsDefault, &actualName) == noErr)
fontDef.family = actualName;
}
#endif
#ifdef QT_MAC_USE_COCOA
QFontEngine *engine = new QCoreTextFontEngineMulti(familyRef, fontRef, fontDef, d->kerning);
#elif 1
QFontEngine *engine = new QFontEngineMacMulti(familyRef, fontRef, fontDef, d->kerning);
#else
ATSFontFamilyRef atsFamily = familyRef;
ATSFontFamilyRef atsFontRef = fontRef;
FMFont fontID;
FMFontFamily fmFamily;
FMFontStyle fntStyle = 0;
fmFamily = FMGetFontFamilyFromATSFontFamilyRef(atsFamily);
if (fmFamily == kInvalidFontFamily) {
// Use the ATSFont then...
fontID = FMGetFontFromATSFontRef(atsFontRef);
} else {
if (fontDef.weight >= QFont::Bold)
fntStyle |= ::bold;
if (fontDef.style != QFont::StyleNormal)
fntStyle |= ::italic;
FMFontStyle intrinsicStyle;
FMFont fnt = 0;
if (FMGetFontFromFontFamilyInstance(fmFamily, fntStyle, &fnt, &intrinsicStyle) == noErr)
fontID = FMGetATSFontRefFromFont(fnt);
}
OSStatus status;
const int maxAttributeCount = 5;
ATSUAttributeTag tags[maxAttributeCount + 1];
ByteCount sizes[maxAttributeCount + 1];
ATSUAttributeValuePtr values[maxAttributeCount + 1];
int attributeCount = 0;
Fixed size = FixRatio(fontDef.pixelSize, 1);
tags[attributeCount] = kATSUSizeTag;
sizes[attributeCount] = sizeof(size);
values[attributeCount] = &size;
++attributeCount;
tags[attributeCount] = kATSUFontTag;
sizes[attributeCount] = sizeof(fontID);
values[attributeCount] = &fontID;
++attributeCount;
CGAffineTransform transform = CGAffineTransformIdentity;
if (fontDef.stretch != 100) {
transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1);
tags[attributeCount] = kATSUFontMatrixTag;
sizes[attributeCount] = sizeof(transform);
values[attributeCount] = &transform;
++attributeCount;
}
ATSUStyle style;
status = ATSUCreateStyle(&style);
Q_ASSERT(status == noErr);
Q_ASSERT(attributeCount < maxAttributeCount + 1);
status = ATSUSetAttributes(style, attributeCount, tags, sizes, values);
Q_ASSERT(status == noErr);
QFontEngine *engine = new QFontEngineMac(style, fontID, fontDef, /*multiEngine*/ 0);
ATSUDisposeStyle(style);
#endif
d->engineData->engine = engine;
engine->ref.ref(); //a ref for the engineData->engine
QFontCache::instance()->insertEngine(key, engine);
}
CGAffineTransform CGAffineTransformScale(CGAffineTransform T,CGFloat sx,CGFloat sy) {
return CGAffineTransformConcat(T,CGAffineTransformMakeScale(sx,sy));
}
QFontEngineMacMulti::QFontEngineMacMulti(const ATSFontFamilyRef &atsFamily, const ATSFontRef &atsFontRef, const QFontDef &fontDef, bool kerning)
: QFontEngineMulti(0)
{
this->fontDef = fontDef;
this->kerning = kerning;
FMFontFamily fmFamily;
FMFontStyle fntStyle = 0;
fmFamily = FMGetFontFamilyFromATSFontFamilyRef(atsFamily);
if (fmFamily == kInvalidFontFamily) {
// Use the ATSFont then...
fontID = FMGetFontFromATSFontRef(atsFontRef);
} else {
if (fontDef.weight >= QFont::Bold)
fntStyle |= ::bold;
if (fontDef.style != QFont::StyleNormal)
fntStyle |= ::italic;
FMFontStyle intrinsicStyle;
FMFont fnt = 0;
if (FMGetFontFromFontFamilyInstance(fmFamily, fntStyle, &fnt, &intrinsicStyle) == noErr)
fontID = FMGetATSFontRefFromFont(fnt);
}
OSStatus status;
status = ATSUCreateTextLayout(&textLayout);
Q_ASSERT(status == noErr);
const int maxAttributeCount = 5;
ATSUAttributeTag tags[maxAttributeCount + 1];
ByteCount sizes[maxAttributeCount + 1];
ATSUAttributeValuePtr values[maxAttributeCount + 1];
int attributeCount = 0;
Fixed size = FixRatio(fontDef.pixelSize, 1);
tags[attributeCount] = kATSUSizeTag;
sizes[attributeCount] = sizeof(size);
values[attributeCount] = &size;
++attributeCount;
tags[attributeCount] = kATSUFontTag;
sizes[attributeCount] = sizeof(fontID);
values[attributeCount] = &this->fontID;
++attributeCount;
transform = CGAffineTransformIdentity;
if (fontDef.stretch != 100) {
transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1);
tags[attributeCount] = kATSUFontMatrixTag;
sizes[attributeCount] = sizeof(transform);
values[attributeCount] = &transform;
++attributeCount;
}
status = ATSUCreateStyle(&style);
Q_ASSERT(status == noErr);
Q_ASSERT(attributeCount < maxAttributeCount + 1);
status = ATSUSetAttributes(style, attributeCount, tags, sizes, values);
Q_ASSERT(status == noErr);
QFontEngineMac *fe = new QFontEngineMac(style, fontID, fontDef, this);
fe->ref.ref();
engines.append(fe);
}
