diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsfontdatabase.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsfontdatabase.cpp | 124 |
1 files changed, 82 insertions, 42 deletions
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp index 4be215ec8a..68a8fc5390 100644 --- a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp +++ b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the plugins of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -44,6 +50,7 @@ #include <QtCore/qmath.h> #include <QtCore/QDebug> +#include <QtCore/QFile> #include <QtCore/QtEndian> #include <QtCore/QThreadStorage> #include <QtCore/private/qsystemlibrary_p.h> @@ -55,7 +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 @@ -79,17 +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 @@ -499,8 +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); @@ -599,7 +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; } @@ -1079,7 +1102,7 @@ QSharedPointer<QWindowsFontEngineData> sharedFontData() { FontEngineThreadLocalData *data = fontEngineThreadLocalData(); if (!data->hasLocalData()) - data->setLocalData(QSharedPointer<QWindowsFontEngineData>(new QWindowsFontEngineData)); + data->setLocalData(QSharedPointer<QWindowsFontEngineData>::create()); return data->localData(); } #else // !QT_NO_THREAD @@ -1089,7 +1112,7 @@ QWindowsFontEngineDataPtr sharedFontData() { QWindowsFontEngineDataPtr *data = fontEngineData(); if (data->isNull()) - *data = QWindowsFontEngineDataPtr(new QWindowsFontEngineData); + *data = QWindowsFontEngineDataPtr::create(); return *data; } #endif // QT_NO_THREAD @@ -1624,7 +1647,7 @@ LOGFONT QWindowsFontDatabase::fontDefToLOGFONT(const QFontDef &request) lf.lfPitchAndFamily = DEFAULT_PITCH | hint; QString fam = request.family; - if (fam.size() >= LF_FACESIZE) { + if (Q_UNLIKELY(fam.size() >= LF_FACESIZE)) { qCritical("%s: Family name '%s' is too long.", __FUNCTION__, qPrintable(fam)); fam.truncate(LF_FACESIZE - 1); } @@ -1750,10 +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) { @@ -1775,18 +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); |