diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsfontdatabase.cpp')
-rw-r--r-- | src/plugins/platforms/windows/qwindowsfontdatabase.cpp | 83 |
1 files changed, 58 insertions, 25 deletions
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp index 966be8c991..68a8fc5390 100644 --- a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp +++ b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp @@ -62,7 +62,11 @@ #endif #if !defined(QT_NO_DIRECTWRITE) -# include <dwrite.h> +# if defined(QT_USE_DIRECTWRITE2) +# include <dwrite_2.h> +# else +# include <dwrite.h> +# endif # include <d2d1.h> #endif @@ -86,17 +90,27 @@ static inline DWriteCreateFactoryType resolveDWriteCreateFactory() return reinterpret_cast<DWriteCreateFactoryType>(result); } -static IDWriteFactory *createDirectWriteFactory() +static void createDirectWriteFactory(IDWriteFactory **factory) { + *factory = Q_NULLPTR; + static const DWriteCreateFactoryType dWriteCreateFactory = resolveDWriteCreateFactory(); if (!dWriteCreateFactory) - return Q_NULLPTR; - IUnknown *result = Q_NULLPTR; - if (FAILED(dWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), &result))) { - qErrnoWarning("DWriteCreateFactory failed"); - return Q_NULLPTR; + return; + + IUnknown *result = NULL; +#if defined(QT_USE_DIRECTWRITE2) + dWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory2), &result); +#endif + + if (result == NULL) { + if (FAILED(dWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), &result))) { + qErrnoWarning("DWriteCreateFactory failed"); + return; + } } - return reinterpret_cast<IDWriteFactory *>(result); + + *factory = static_cast<IDWriteFactory *>(result); } #endif // !QT_NO_DIRECTWRITE @@ -506,8 +520,10 @@ namespace { class CustomFontFileLoader { public: - CustomFontFileLoader() : m_directWriteFactory(createDirectWriteFactory()), m_directWriteFontFileLoader(0) + CustomFontFileLoader() : m_directWriteFontFileLoader(Q_NULLPTR) { + createDirectWriteFactory(&m_directWriteFactory); + if (m_directWriteFactory) { m_directWriteFontFileLoader = new DirectWriteFontFileLoader(); m_directWriteFactory->RegisterFontFileLoader(m_directWriteFontFileLoader); @@ -606,7 +622,7 @@ qreal QWindowsFontDatabase::fontSmoothingGamma() static inline bool initDirectWrite(QWindowsFontEngineData *d) { if (!d->directWriteFactory) { - d->directWriteFactory = createDirectWriteFactory(); + createDirectWriteFactory(&d->directWriteFactory); if (!d->directWriteFactory) return false; } @@ -1757,10 +1773,7 @@ QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, } #if !defined(QT_NO_DIRECTWRITE) - bool useDirectWrite = (request.hintingPreference == QFont::PreferNoHinting) - || (request.hintingPreference == QFont::PreferVerticalHinting) - || (QHighDpiScaling::isActive() && request.hintingPreference == QFont::PreferDefaultHinting); - if (useDirectWrite && initDirectWrite(data.data())) { + if (initDirectWrite(data.data())) { const QString fam = QString::fromWCharArray(lf.lfFaceName); const QString nameSubstitute = QWindowsFontEngineDirectWrite::fontNameSubstitute(fam); if (nameSubstitute != fam) { @@ -1782,18 +1795,38 @@ QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, qWarning().noquote().nospace() << "DirectWrite: CreateFontFaceFromHDC() failed (" << errorString << ") for " << request << ' ' << lf << " dpi=" << dpi; } else { - QWindowsFontEngineDirectWrite *fedw = new QWindowsFontEngineDirectWrite(directWriteFontFace, - request.pixelSize, - data); - - wchar_t n[64]; - GetTextFace(data->hdc, 64, n); - - QFontDef fontDef = request; - fontDef.family = QString::fromWCharArray(n); + bool isColorFont = false; +#if defined(QT_USE_DIRECTWRITE2) + IDWriteFontFace2 *directWriteFontFace2 = Q_NULLPTR; + if (SUCCEEDED(directWriteFontFace->QueryInterface(__uuidof(IDWriteFontFace2), + reinterpret_cast<void **>(&directWriteFontFace2)))) { + if (directWriteFontFace2->IsColorFont()) + isColorFont = true; + } +#endif - fedw->initFontInfo(fontDef, dpi); - fe = fedw; + bool useDirectWrite = (request.hintingPreference == QFont::PreferNoHinting) + || (request.hintingPreference == QFont::PreferVerticalHinting) + || (QHighDpiScaling::isActive() && request.hintingPreference == QFont::PreferDefaultHinting) + || isColorFont; + if (useDirectWrite) { + QWindowsFontEngineDirectWrite *fedw = new QWindowsFontEngineDirectWrite(directWriteFontFace, + request.pixelSize, + data); + + wchar_t n[64]; + GetTextFace(data->hdc, 64, n); + + QFontDef fontDef = request; + fontDef.family = QString::fromWCharArray(n); + + if (isColorFont) + fedw->glyphFormat = QFontEngine::Format_ARGB; + fedw->initFontInfo(fontDef, dpi); + fe = fedw; + } else { + directWriteFontFace->Release(); + } } SelectObject(data->hdc, oldFont); |