diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm')
| -rw-r--r-- | src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm index 1eb1cbeece..c42320889a 100644 --- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm +++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm @@ -39,10 +39,12 @@ ** ****************************************************************************/ +#import <Cocoa/Cocoa.h> +#import <IOKit/graphics/IOGraphicsLib.h> + #include "qcoretextfontdatabase_p.h" #include "qfontengine_coretext_p.h" #include <QtCore/QSettings> -#import <Foundation/Foundation.h> QT_BEGIN_NAMESPACE @@ -86,9 +88,6 @@ static const char *languageForWritingSystem[] = { }; enum { LanguageCount = sizeof(languageForWritingSystem) / sizeof(const char *) }; -int qt_antialiasing_threshold = 0; -bool qt_enable_font_smoothing = true; - QFont::StyleHint styleHintFromNSString(NSString *style) { if ([style isEqual: @"sans-serif"]) @@ -122,13 +121,37 @@ QCoreTextFontDatabase::QCoreTextFontDatabase() QSettings appleSettings(QLatin1String("apple.com")); QVariant appleValue = appleSettings.value(QLatin1String("AppleAntiAliasingThreshold")); if (appleValue.isValid()) - qt_antialiasing_threshold = appleValue.toInt(); - + QCoreTextFontEngine::antialiasingThreshold = appleValue.toInt(); + + /* + font_smoothing = 0 means no smoothing, while 1-3 means subpixel + antialiasing with different hinting styles (but we don't care about the + exact value, only if subpixel rendering is available or not) + */ + int font_smoothing = 0; appleValue = appleSettings.value(QLatin1String("AppleFontSmoothing")); - // Only disable font smoothing when AppleFontSmoothing is set to 0, - // empty or non-zero means enabled - if (appleValue.isValid() && appleValue.toInt() == 0) - qt_enable_font_smoothing = false; + if (appleValue.isValid()) { + font_smoothing = appleValue.toInt(); + } else { + NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; + + // find the primary display (which is always the first NSScreen + // according to the documentation) + NSScreen *defaultScreen = [[NSScreen screens] objectAtIndex:0]; + CGDirectDisplayID displayId = [[[defaultScreen deviceDescription] objectForKey:@"NSScreenNumber"] unsignedIntValue]; + io_service_t iodisplay = CGDisplayIOServicePort(displayId); + + // determine if font smoothing is available based on the subpixel + // layout of the primary display + NSDictionary *d = (NSDictionary *) IODisplayCreateInfoDictionary(iodisplay, kIODisplayOnlyPreferredName); + uint displaySubpixelLayout = [[d objectForKey:@kDisplaySubPixelLayout] unsignedIntValue]; + font_smoothing = (displaySubpixelLayout == kDisplaySubPixelLayoutUndefined ? 0 : 1); + + [pool release]; + } + QCoreTextFontEngine::defaultGlyphFormat = (font_smoothing > 0 + ? QFontEngineGlyphCache::Raster_RGBMask + : QFontEngineGlyphCache::Raster_A8); } QCoreTextFontDatabase::~QCoreTextFontDatabase() |