diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsfontdatabase.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsfontdatabase.cpp | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp index e0be731b53..7d0bd53e8b 100644 --- a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp +++ b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp @@ -68,8 +68,10 @@ QT_BEGIN_NAMESPACE */ QWindowsFontEngineData::QWindowsFontEngineData() + : clearTypeEnabled(false) + , fontSmoothingGamma(QWindowsFontDatabase::fontSmoothingGamma()) #if !defined(QT_NO_DIRECTWRITE) - : directWriteFactory(0) + , directWriteFactory(0) , directWriteGdiInterop(0) #endif { @@ -78,17 +80,6 @@ QWindowsFontEngineData::QWindowsFontEngineData() if (SystemParametersInfo(SPI_GETFONTSMOOTHINGTYPE, 0, &result, 0)) clearTypeEnabled = (result == FE_FONTSMOOTHINGCLEARTYPE); - int winSmooth; - if (SystemParametersInfo(0x200C /* SPI_GETFONTSMOOTHINGCONTRAST */, 0, &winSmooth, 0)) { - fontSmoothingGamma = winSmooth / qreal(1000.0); - } else { - fontSmoothingGamma = 1.0; - } - - // Safeguard ourselves against corrupt registry values... - if (fontSmoothingGamma > 5 || fontSmoothingGamma < 1) - fontSmoothingGamma = qreal(1.4); - const qreal gray_gamma = 2.31; for (int i=0; i<256; ++i) pow_gamma[i] = uint(qRound(qPow(i / qreal(255.), gray_gamma) * 2047)); @@ -110,6 +101,19 @@ QWindowsFontEngineData::~QWindowsFontEngineData() #endif } +qreal QWindowsFontDatabase::fontSmoothingGamma() +{ + int winSmooth; + qreal result = 1; + if (SystemParametersInfo(0x200C /* SPI_GETFONTSMOOTHINGCONTRAST */, 0, &winSmooth, 0)) + result = qreal(winSmooth) / qreal(1000.0); + + // Safeguard ourselves against corrupt registry values... + if (result > 5 || result < 1) + result = qreal(1.4); + return result; +} + #if !defined(QT_NO_DIRECTWRITE) static inline bool initDirectWrite(QWindowsFontEngineData *d) { |