diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsscreen.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowsscreen.cpp b/src/plugins/platforms/windows/qwindowsscreen.cpp index 4915c4f3be..059ebf19f6 100644 --- a/src/plugins/platforms/windows/qwindowsscreen.cpp +++ b/src/plugins/platforms/windows/qwindowsscreen.cpp @@ -39,6 +39,7 @@ #include "qtwindows_additional.h" +#include <QtCore/QSettings> #include <QtGui/QPixmap> #include <QtGui/QGuiApplication> #include <qpa/qwindowsysteminterface.h> @@ -359,6 +360,37 @@ void QWindowsScreen::handleChanges(const QWindowsScreenData &newData) } /*! + \brief Queries ClearType settings to check the pixel layout +*/ +QPlatformScreen::SubpixelAntialiasingType QWindowsScreen::subpixelAntialiasingTypeHint() const +{ +#if defined(Q_OS_WINCE) || !defined(FT_LCD_FILTER_H) || !defined(FT_CONFIG_OPTION_SUBPIXEL_RENDERING) + return QPlatformScreen::Subpixel_None; +#else + QPlatformScreen::SubpixelAntialiasingType type = QPlatformScreen::subpixelAntialiasingTypeHint(); + if (type == QPlatformScreen::Subpixel_None) { + QSettings settings(QLatin1String("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Avalon.Graphics\\DISPLAY1"), QSettings::NativeFormat); + int registryValue = settings.value(QLatin1String("PixelStructure"), -1).toInt(); + switch (registryValue) { + case 0: + type = QPlatformScreen::Subpixel_None; + break; + case 1: + type = QPlatformScreen::Subpixel_RGB; + break; + case 2: + type = QPlatformScreen::Subpixel_BGR; + break; + default: + type = QPlatformScreen::Subpixel_None; + break; + } + } + return type; +#endif +} + +/*! \class QWindowsScreenManager \brief Manages a list of QWindowsScreen. |