diff options
author | The Qt Project <gerrit-noreply@qt-project.org> | 2020-02-12 08:47:47 +0000 |
---|---|---|
committer | The Qt Project <gerrit-noreply@qt-project.org> | 2020-02-12 08:47:47 +0000 |
commit | f4a52b79ced0726b207c1af8c12ada1f8be12ff0 (patch) | |
tree | d11ec8434ee3c61ddc1f0d04009cfc478ec05af5 /src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp | |
parent | 99da0c164b02dca8f556c3186231e6b0723c532c (diff) | |
parent | c53f8c038c0736aeb208bcd69bf3b5e2816c29ae (diff) |
Merge "Merge remote-tracking branch 'origin/dev' into wip/cmake" into wip/cmake
Diffstat (limited to 'src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp')
-rw-r--r-- | src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp | 784 |
1 files changed, 11 insertions, 773 deletions
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp index 36a94724c1..cf5763fdbe 100644 --- a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp +++ b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp @@ -51,7 +51,6 @@ #include <QtCore/QDebug> #include <QtCore/QFile> #include <QtCore/QtEndian> -#include <QtCore/QThreadStorage> #include <QtCore/private/qsystemlibrary_p.h> #include <QtCore/private/qwinregistry_p.h> @@ -64,6 +63,7 @@ # include <dwrite.h> # endif # include <d2d1.h> +# include "qwindowsdirectwritefontdatabase_p.h" #endif QT_BEGIN_NAMESPACE @@ -75,40 +75,6 @@ Q_LOGGING_CATEGORY(lcQpaFonts, "qt.qpa.fonts") typedef HRESULT (WINAPI *DWriteCreateFactoryType)(DWRITE_FACTORY_TYPE, const IID &, IUnknown **); -static inline DWriteCreateFactoryType resolveDWriteCreateFactory() -{ - QSystemLibrary library(QStringLiteral("dwrite")); - QFunctionPointer result = library.resolve("DWriteCreateFactory"); - if (Q_UNLIKELY(!result)) { - qWarning("Unable to load dwrite.dll"); - return nullptr; - } - return reinterpret_cast<DWriteCreateFactoryType>(result); -} - -static void createDirectWriteFactory(IDWriteFactory **factory) -{ - *factory = nullptr; - - static const DWriteCreateFactoryType dWriteCreateFactory = resolveDWriteCreateFactory(); - if (!dWriteCreateFactory) - 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; - } - } - - *factory = static_cast<IDWriteFactory *>(result); -} - static inline bool useDirectWrite(QFont::HintingPreference hintingPreference, const QString &familyName = QString(), bool isColorFont = false) @@ -131,459 +97,6 @@ static inline bool useDirectWrite(QFont::HintingPreference hintingPreference, } #endif // !QT_NO_DIRECTWRITE -// Helper classes for creating font engines directly from font data -namespace { - -# pragma pack(1) - - // Common structure for all formats of the "name" table - struct NameTable - { - quint16 format; - quint16 count; - quint16 stringOffset; - }; - - struct NameRecord - { - quint16 platformID; - quint16 encodingID; - quint16 languageID; - quint16 nameID; - quint16 length; - quint16 offset; - }; - - struct OffsetSubTable - { - quint32 scalerType; - quint16 numTables; - quint16 searchRange; - quint16 entrySelector; - quint16 rangeShift; - }; - - struct TableDirectory - { - quint32 identifier; - quint32 checkSum; - quint32 offset; - quint32 length; - }; - - struct OS2Table - { - quint16 version; - qint16 avgCharWidth; - quint16 weightClass; - quint16 widthClass; - quint16 type; - qint16 subscriptXSize; - qint16 subscriptYSize; - qint16 subscriptXOffset; - qint16 subscriptYOffset; - qint16 superscriptXSize; - qint16 superscriptYSize; - qint16 superscriptXOffset; - qint16 superscriptYOffset; - qint16 strikeOutSize; - qint16 strikeOutPosition; - qint16 familyClass; - quint8 panose[10]; - quint32 unicodeRanges[4]; - quint8 vendorID[4]; - quint16 selection; - quint16 firstCharIndex; - quint16 lastCharIndex; - qint16 typoAscender; - qint16 typoDescender; - qint16 typoLineGap; - quint16 winAscent; - quint16 winDescent; - quint32 codepageRanges[2]; - qint16 height; - qint16 capHeight; - quint16 defaultChar; - quint16 breakChar; - quint16 maxContext; - }; - -# pragma pack() - - class EmbeddedFont - { - public: - EmbeddedFont(const QByteArray &fontData) : m_fontData(fontData) {} - - QString changeFamilyName(const QString &newFamilyName); - QByteArray data() const { return m_fontData; } - TableDirectory *tableDirectoryEntry(const QByteArray &tagName); - QString familyName(TableDirectory *nameTableDirectory = 0); - - private: - QByteArray m_fontData; - }; - - TableDirectory *EmbeddedFont::tableDirectoryEntry(const QByteArray &tagName) - { - Q_ASSERT(tagName.size() == 4); - quint32 tagId = *(reinterpret_cast<const quint32 *>(tagName.constData())); - const size_t fontDataSize = m_fontData.size(); - if (Q_UNLIKELY(fontDataSize < sizeof(OffsetSubTable))) - return 0; - - OffsetSubTable *offsetSubTable = reinterpret_cast<OffsetSubTable *>(m_fontData.data()); - TableDirectory *tableDirectory = reinterpret_cast<TableDirectory *>(offsetSubTable + 1); - - const size_t tableCount = qFromBigEndian<quint16>(offsetSubTable->numTables); - if (Q_UNLIKELY(fontDataSize < sizeof(OffsetSubTable) + sizeof(TableDirectory) * tableCount)) - return 0; - - TableDirectory *tableDirectoryEnd = tableDirectory + tableCount; - for (TableDirectory *entry = tableDirectory; entry < tableDirectoryEnd; ++entry) { - if (entry->identifier == tagId) - return entry; - } - - return 0; - } - - QString EmbeddedFont::familyName(TableDirectory *nameTableDirectoryEntry) - { - QString name; - - if (nameTableDirectoryEntry == 0) - nameTableDirectoryEntry = tableDirectoryEntry("name"); - - if (nameTableDirectoryEntry != 0) { - quint32 offset = qFromBigEndian<quint32>(nameTableDirectoryEntry->offset); - if (Q_UNLIKELY(quint32(m_fontData.size()) < offset + sizeof(NameTable))) - return QString(); - - NameTable *nameTable = reinterpret_cast<NameTable *>(m_fontData.data() + offset); - NameRecord *nameRecord = reinterpret_cast<NameRecord *>(nameTable + 1); - - quint16 nameTableCount = qFromBigEndian<quint16>(nameTable->count); - if (Q_UNLIKELY(quint32(m_fontData.size()) < offset + sizeof(NameRecord) * nameTableCount)) - return QString(); - - for (int i = 0; i < nameTableCount; ++i, ++nameRecord) { - if (qFromBigEndian<quint16>(nameRecord->nameID) == 1 - && qFromBigEndian<quint16>(nameRecord->platformID) == 3 // Windows - && qFromBigEndian<quint16>(nameRecord->languageID) == 0x0409) { // US English - quint16 stringOffset = qFromBigEndian<quint16>(nameTable->stringOffset); - quint16 nameOffset = qFromBigEndian<quint16>(nameRecord->offset); - quint16 nameLength = qFromBigEndian<quint16>(nameRecord->length); - - if (Q_UNLIKELY(quint32(m_fontData.size()) < offset + stringOffset + nameOffset + nameLength)) - return QString(); - - const void *ptr = reinterpret_cast<const quint8 *>(nameTable) - + stringOffset - + nameOffset; - - const quint16 *s = reinterpret_cast<const quint16 *>(ptr); - const quint16 *e = s + nameLength / sizeof(quint16); - while (s != e) - name += QChar( qFromBigEndian<quint16>(*s++)); - break; - } - } - } - - return name; - } - - QString EmbeddedFont::changeFamilyName(const QString &newFamilyName) - { - TableDirectory *nameTableDirectoryEntry = tableDirectoryEntry("name"); - if (nameTableDirectoryEntry == 0) - return QString(); - - QString oldFamilyName = familyName(nameTableDirectoryEntry); - - // Reserve size for name table header, five required name records and string - const int requiredRecordCount = 5; - quint16 nameIds[requiredRecordCount] = { 1, 2, 3, 4, 6 }; - - int sizeOfHeader = sizeof(NameTable) + sizeof(NameRecord) * requiredRecordCount; - int newFamilyNameSize = newFamilyName.size() * int(sizeof(quint16)); - - const QString regularString = QString::fromLatin1("Regular"); - int regularStringSize = regularString.size() * int(sizeof(quint16)); - - // Align table size of table to 32 bits (pad with 0) - int fullSize = ((sizeOfHeader + newFamilyNameSize + regularStringSize) & ~3) + 4; - - QByteArray newNameTable(fullSize, char(0)); - - { - NameTable *nameTable = reinterpret_cast<NameTable *>(newNameTable.data()); - nameTable->count = qbswap<quint16>(requiredRecordCount); - nameTable->stringOffset = qbswap<quint16>(sizeOfHeader); - - NameRecord *nameRecord = reinterpret_cast<NameRecord *>(nameTable + 1); - for (int i = 0; i < requiredRecordCount; ++i, nameRecord++) { - nameRecord->nameID = qbswap<quint16>(nameIds[i]); - nameRecord->encodingID = qbswap<quint16>(1); - nameRecord->languageID = qbswap<quint16>(0x0409); - nameRecord->platformID = qbswap<quint16>(3); - nameRecord->length = qbswap<quint16>(newFamilyNameSize); - - // Special case for sub-family - if (nameIds[i] == 4) { - nameRecord->offset = qbswap<quint16>(newFamilyNameSize); - nameRecord->length = qbswap<quint16>(regularStringSize); - } - } - - // nameRecord now points to string data - quint16 *stringStorage = reinterpret_cast<quint16 *>(nameRecord); - const quint16 *sourceString = newFamilyName.utf16(); - for (int i = 0; i < newFamilyName.size(); ++i) - stringStorage[i] = qbswap<quint16>(sourceString[i]); - stringStorage += newFamilyName.size(); - - sourceString = regularString.utf16(); - for (int i = 0; i < regularString.size(); ++i) - stringStorage[i] = qbswap<quint16>(sourceString[i]); - } - - quint32 *p = reinterpret_cast<quint32 *>(newNameTable.data()); - quint32 *tableEnd = reinterpret_cast<quint32 *>(newNameTable.data() + fullSize); - - quint32 checkSum = 0; - while (p < tableEnd) - checkSum += qFromBigEndian<quint32>(*(p++)); - - nameTableDirectoryEntry->checkSum = qbswap<quint32>(checkSum); - nameTableDirectoryEntry->offset = qbswap<quint32>(m_fontData.size()); - nameTableDirectoryEntry->length = qbswap<quint32>(fullSize); - - m_fontData.append(newNameTable); - - return oldFamilyName; - } - -#if !defined(QT_NO_DIRECTWRITE) - - class DirectWriteFontFileStream: public IDWriteFontFileStream - { - Q_DISABLE_COPY(DirectWriteFontFileStream) - public: - DirectWriteFontFileStream(const QByteArray &fontData) - : m_fontData(fontData) - , m_referenceCount(0) - { - } - virtual ~DirectWriteFontFileStream() - { - } - - HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void **object); - ULONG STDMETHODCALLTYPE AddRef(); - ULONG STDMETHODCALLTYPE Release(); - - HRESULT STDMETHODCALLTYPE ReadFileFragment(const void **fragmentStart, UINT64 fileOffset, - UINT64 fragmentSize, OUT void **fragmentContext); - void STDMETHODCALLTYPE ReleaseFileFragment(void *fragmentContext); - HRESULT STDMETHODCALLTYPE GetFileSize(OUT UINT64 *fileSize); - HRESULT STDMETHODCALLTYPE GetLastWriteTime(OUT UINT64 *lastWriteTime); - - private: - QByteArray m_fontData; - ULONG m_referenceCount; - }; - - HRESULT STDMETHODCALLTYPE DirectWriteFontFileStream::QueryInterface(REFIID iid, void **object) - { - if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileStream)) { - *object = this; - AddRef(); - return S_OK; - } else { - *object = NULL; - return E_NOINTERFACE; - } - } - - ULONG STDMETHODCALLTYPE DirectWriteFontFileStream::AddRef() - { - return InterlockedIncrement(&m_referenceCount); - } - - ULONG STDMETHODCALLTYPE DirectWriteFontFileStream::Release() - { - ULONG newCount = InterlockedDecrement(&m_referenceCount); - if (newCount == 0) - delete this; - return newCount; - } - - HRESULT STDMETHODCALLTYPE DirectWriteFontFileStream::ReadFileFragment( - const void **fragmentStart, - UINT64 fileOffset, - UINT64 fragmentSize, - OUT void **fragmentContext) - { - *fragmentContext = NULL; - if (fileOffset + fragmentSize <= quint64(m_fontData.size())) { - *fragmentStart = m_fontData.data() + fileOffset; - return S_OK; - } else { - *fragmentStart = NULL; - return E_FAIL; - } - } - - void STDMETHODCALLTYPE DirectWriteFontFileStream::ReleaseFileFragment(void *) - { - } - - HRESULT STDMETHODCALLTYPE DirectWriteFontFileStream::GetFileSize(UINT64 *fileSize) - { - *fileSize = m_fontData.size(); - return S_OK; - } - - HRESULT STDMETHODCALLTYPE DirectWriteFontFileStream::GetLastWriteTime(UINT64 *lastWriteTime) - { - *lastWriteTime = 0; - return E_NOTIMPL; - } - - class DirectWriteFontFileLoader: public IDWriteFontFileLoader - { - public: - DirectWriteFontFileLoader() : m_referenceCount(0) {} - virtual ~DirectWriteFontFileLoader() - { - } - - inline void addKey(const void *key, const QByteArray &fontData) - { - Q_ASSERT(!m_fontDatas.contains(key)); - m_fontDatas.insert(key, fontData); - } - - inline void removeKey(const void *key) - { - m_fontDatas.remove(key); - } - - HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void **object); - ULONG STDMETHODCALLTYPE AddRef(); - ULONG STDMETHODCALLTYPE Release(); - - HRESULT STDMETHODCALLTYPE CreateStreamFromKey(void const *fontFileReferenceKey, - UINT32 fontFileReferenceKeySize, - OUT IDWriteFontFileStream **fontFileStream); - - private: - ULONG m_referenceCount; - QHash<const void *, QByteArray> m_fontDatas; - }; - - HRESULT STDMETHODCALLTYPE DirectWriteFontFileLoader::QueryInterface(const IID &iid, - void **object) - { - if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileLoader)) { - *object = this; - AddRef(); - return S_OK; - } else { - *object = NULL; - return E_NOINTERFACE; - } - } - - ULONG STDMETHODCALLTYPE DirectWriteFontFileLoader::AddRef() - { - return InterlockedIncrement(&m_referenceCount); - } - - ULONG STDMETHODCALLTYPE DirectWriteFontFileLoader::Release() - { - ULONG newCount = InterlockedDecrement(&m_referenceCount); - if (newCount == 0) - delete this; - return newCount; - } - - HRESULT STDMETHODCALLTYPE DirectWriteFontFileLoader::CreateStreamFromKey( - void const *fontFileReferenceKey, - UINT32 fontFileReferenceKeySize, - IDWriteFontFileStream **fontFileStream) - { - Q_UNUSED(fontFileReferenceKeySize); - - if (fontFileReferenceKeySize != sizeof(const void *)) { - qWarning("%s: Wrong key size", __FUNCTION__); - return E_FAIL; - } - - const void *key = *reinterpret_cast<void * const *>(fontFileReferenceKey); - *fontFileStream = NULL; - auto it = m_fontDatas.constFind(key); - if (it == m_fontDatas.constEnd()) - return E_FAIL; - - QByteArray fontData = it.value(); - DirectWriteFontFileStream *stream = new DirectWriteFontFileStream(fontData); - stream->AddRef(); - *fontFileStream = stream; - - return S_OK; - } - - class CustomFontFileLoader - { - public: - CustomFontFileLoader() : m_directWriteFontFileLoader(nullptr) - { - createDirectWriteFactory(&m_directWriteFactory); - - if (m_directWriteFactory) { - m_directWriteFontFileLoader = new DirectWriteFontFileLoader(); - m_directWriteFactory->RegisterFontFileLoader(m_directWriteFontFileLoader); - } - } - - ~CustomFontFileLoader() - { - if (m_directWriteFactory != 0 && m_directWriteFontFileLoader != 0) - m_directWriteFactory->UnregisterFontFileLoader(m_directWriteFontFileLoader); - - if (m_directWriteFactory != 0) - m_directWriteFactory->Release(); - } - - void addKey(const void *key, const QByteArray &fontData) - { - if (m_directWriteFontFileLoader != 0) - m_directWriteFontFileLoader->addKey(key, fontData); - } - - void removeKey(const void *key) - { - if (m_directWriteFontFileLoader != 0) - m_directWriteFontFileLoader->removeKey(key); - } - - IDWriteFontFileLoader *loader() const - { - return m_directWriteFontFileLoader; - } - - private: - IDWriteFactory *m_directWriteFactory; - DirectWriteFontFileLoader *m_directWriteFontFileLoader; - }; - -#endif - -} // Anonymous namespace - /*! \struct QWindowsFontEngineData \brief Static constant data shared by the font engines. @@ -620,18 +133,6 @@ unsigned QWindowsFontDatabase::fontOptions() return m_fontOptions; } -QWindowsFontEngineData::~QWindowsFontEngineData() -{ - if (hdc) - DeleteDC(hdc); -#if !defined(QT_NO_DIRECTWRITE) - if (directWriteGdiInterop) - directWriteGdiInterop->Release(); - if (directWriteFactory) - directWriteFactory->Release(); -#endif -} - qreal QWindowsFontDatabase::fontSmoothingGamma() { int winSmooth; @@ -645,26 +146,6 @@ qreal QWindowsFontDatabase::fontSmoothingGamma() return result; } -#if !defined(QT_NO_DIRECTWRITE) -static inline bool initDirectWrite(QWindowsFontEngineData *d) -{ - if (!d->directWriteFactory) { - createDirectWriteFactory(&d->directWriteFactory); - if (!d->directWriteFactory) - return false; - } - if (!d->directWriteGdiInterop) { - const HRESULT hr = d->directWriteFactory->GetGdiInterop(&d->directWriteGdiInterop); - if (FAILED(hr)) { - qErrnoWarning("%s: GetGdiInterop failed", __FUNCTION__); - return false; - } - } - return true; -} - -#endif // !defined(QT_NO_DIRECTWRITE) - /*! \class QWindowsFontDatabase \brief Font database for Windows @@ -1239,20 +720,6 @@ void QWindowsFontDatabase::populateFontDatabase() addDefaultEUDCFont(); } -typedef QSharedPointer<QWindowsFontEngineData> QWindowsFontEngineDataPtr; - -typedef QThreadStorage<QWindowsFontEngineDataPtr> FontEngineThreadLocalData; - -Q_GLOBAL_STATIC(FontEngineThreadLocalData, fontEngineThreadLocalData) - -QSharedPointer<QWindowsFontEngineData> sharedFontData() -{ - FontEngineThreadLocalData *data = fontEngineThreadLocalData(); - if (!data->hasLocalData()) - data->setLocalData(QSharedPointer<QWindowsFontEngineData>::create()); - return data->localData(); -} - QWindowsFontDatabase::QWindowsFontDatabase() { // Properties accessed by QWin32PrintEngine (Qt Print Support) @@ -1262,9 +729,9 @@ QWindowsFontDatabase::QWindowsFontDatabase() Q_UNUSED(logFontMetaTypeId) if (lcQpaFonts().isDebugEnabled()) { - const QWindowsFontEngineDataPtr data = sharedFontData(); + QSharedPointer<QWindowsFontEngineData> d = data(); qCDebug(lcQpaFonts) << __FUNCTION__ << "Clear type: " - << data->clearTypeEnabled << "gamma: " << data->fontSmoothingGamma; + << d->clearTypeEnabled << "gamma: " << d->fontSmoothingGamma; } } @@ -1278,7 +745,7 @@ QFontEngine * QWindowsFontDatabase::fontEngine(const QFontDef &fontDef, void *ha const QString faceName(static_cast<const QChar*>(handle)); QFontEngine *fe = QWindowsFontDatabase::createEngine(fontDef, faceName, defaultVerticalDPI(), - sharedFontData()); + data()); qCDebug(lcQpaFonts) << __FUNCTION__ << "FONTDEF" << fontDef << fe << handle; return fe; } @@ -1332,7 +799,7 @@ QT_WARNING_POP fontEngine = QWindowsFontDatabase::createEngine(request, QString(), defaultVerticalDPI(), - sharedFontData()); + data()); if (fontEngine) { if (request.family != fontEngine->fontDef.family) { @@ -1371,87 +838,17 @@ QT_WARNING_POP RemoveFontMemResourceEx(fontHandle); } } + + // Get style and weight info + if (fontEngine != nullptr) + font.updateFromOS2Table(fontEngine); } #if !defined(QT_NO_DIRECTWRITE) else { - CustomFontFileLoader fontFileLoader; - fontFileLoader.addKey(this, fontData); - - QSharedPointer<QWindowsFontEngineData> fontEngineData = sharedFontData(); - if (!initDirectWrite(fontEngineData.data())) - return 0; - - IDWriteFontFile *fontFile = 0; - void *key = this; - - HRESULT hres = fontEngineData->directWriteFactory->CreateCustomFontFileReference(&key, - sizeof(void *), - fontFileLoader.loader(), - &fontFile); - if (FAILED(hres)) { - qErrnoWarning(hres, "%s: CreateCustomFontFileReference failed", __FUNCTION__); - return 0; - } - - BOOL isSupportedFontType; - DWRITE_FONT_FILE_TYPE fontFileType; - DWRITE_FONT_FACE_TYPE fontFaceType; - UINT32 numberOfFaces; - fontFile->Analyze(&isSupportedFontType, &fontFileType, &fontFaceType, &numberOfFaces); - if (!isSupportedFontType) { - fontFile->Release(); - return 0; - } - - IDWriteFontFace *directWriteFontFace = 0; - hres = fontEngineData->directWriteFactory->CreateFontFace(fontFaceType, - 1, - &fontFile, - 0, - DWRITE_FONT_SIMULATIONS_NONE, - &directWriteFontFace); - if (FAILED(hres)) { - qErrnoWarning(hres, "%s: CreateFontFace failed", __FUNCTION__); - fontFile->Release(); - return 0; - } - - fontFile->Release(); - - fontEngine = new QWindowsFontEngineDirectWrite(directWriteFontFace, - pixelSize, - fontEngineData); - - // Get font family from font data - fontEngine->fontDef.family = font.familyName(); - fontEngine->fontDef.hintingPreference = hintingPreference; - - directWriteFontFace->Release(); + fontEngine = QWindowsFontDatabaseBase::fontEngine(fontData, pixelSize, hintingPreference); } #endif - // Get style and weight info - if (fontEngine != 0) { - TableDirectory *os2TableEntry = font.tableDirectoryEntry("OS/2"); - if (os2TableEntry != 0) { - const OS2Table *os2Table = - reinterpret_cast<const OS2Table *>(fontData.constData() - + qFromBigEndian<quint32>(os2TableEntry->offset)); - - bool italic = qFromBigEndian<quint16>(os2Table->selection) & (1 << 0); - bool oblique = qFromBigEndian<quint16>(os2Table->selection) & (1 << 9); - - if (italic) - fontEngine->fontDef.style = QFont::StyleItalic; - else if (oblique) - fontEngine->fontDef.style = QFont::StyleOblique; - else - fontEngine->fontDef.style = QFont::StyleNormal; - - fontEngine->fontDef.weight = QPlatformFontDatabase::weightFromInteger(qFromBigEndian<quint16>(os2Table->weightClass)); - } - } - qCDebug(lcQpaFonts) << __FUNCTION__ << "FONTDATA" << fontData << pixelSize << hintingPreference << fontEngine; return fontEngine; } @@ -1683,14 +1080,6 @@ void QWindowsFontDatabase::refUniqueFont(const QString &uniqueFont) m_uniqueFontData[uniqueFont].refCount.ref(); } -// ### fixme Qt 6 (QTBUG-58610): See comment at QWindowsFontDatabase::systemDefaultFont() -HFONT QWindowsFontDatabase::systemFont() -{ - static const auto stock_sysfont = - reinterpret_cast<HFONT>(GetStockObject(DEFAULT_GUI_FONT)); - return stock_sysfont; -} - // Creation functions static const char *other_tryFonts[] = { @@ -1745,101 +1134,6 @@ static const char *kr_tryFonts[] = { static const char **tryFonts = 0; -LOGFONT QWindowsFontDatabase::fontDefToLOGFONT(const QFontDef &request, const QString &faceName) -{ - LOGFONT lf; - memset(&lf, 0, sizeof(LOGFONT)); - - lf.lfHeight = -qRound(request.pixelSize); - lf.lfWidth = 0; - lf.lfEscapement = 0; - lf.lfOrientation = 0; - if (request.weight == 50) - lf.lfWeight = FW_DONTCARE; - else - lf.lfWeight = (request.weight*900)/99; - lf.lfItalic = request.style != QFont::StyleNormal; - lf.lfCharSet = DEFAULT_CHARSET; - - int strat = OUT_DEFAULT_PRECIS; - if (request.styleStrategy & QFont::PreferBitmap) { - strat = OUT_RASTER_PRECIS; - } else if (request.styleStrategy & QFont::PreferDevice) { - strat = OUT_DEVICE_PRECIS; - } else if (request.styleStrategy & QFont::PreferOutline) { - strat = OUT_OUTLINE_PRECIS; - } else if (request.styleStrategy & QFont::ForceOutline) { - strat = OUT_TT_ONLY_PRECIS; - } - - lf.lfOutPrecision = strat; - - int qual = DEFAULT_QUALITY; - - if (request.styleStrategy & QFont::PreferMatch) - qual = DRAFT_QUALITY; - else if (request.styleStrategy & QFont::PreferQuality) - qual = PROOF_QUALITY; - - if (request.styleStrategy & QFont::PreferAntialias) { - qual = (request.styleStrategy & QFont::NoSubpixelAntialias) == 0 - ? CLEARTYPE_QUALITY : ANTIALIASED_QUALITY; - } else if (request.styleStrategy & QFont::NoAntialias) { - qual = NONANTIALIASED_QUALITY; - } else if ((request.styleStrategy & QFont::NoSubpixelAntialias) && sharedFontData()->clearTypeEnabled) { - qual = ANTIALIASED_QUALITY; - } - - lf.lfQuality = qual; - - lf.lfClipPrecision = CLIP_DEFAULT_PRECIS; - - int hint = FF_DONTCARE; - switch (request.styleHint) { - case QFont::Helvetica: - hint = FF_SWISS; - break; - case QFont::Times: - hint = FF_ROMAN; - break; - case QFont::Courier: - hint = FF_MODERN; - break; - case QFont::OldEnglish: - hint = FF_DECORATIVE; - break; - case QFont::System: - hint = FF_MODERN; - break; - default: - break; - } - - lf.lfPitchAndFamily = DEFAULT_PITCH | hint; - - QString fam = faceName; - if (fam.isEmpty()) - fam = request.families.size() > 0 ? request.families.at(0) : request.family; - if (Q_UNLIKELY(fam.size() >= LF_FACESIZE)) { - qCritical("%s: Family name '%s' is too long.", __FUNCTION__, qPrintable(fam)); - fam.truncate(LF_FACESIZE - 1); - } - - if (fam.isEmpty()) - fam = QStringLiteral("MS Sans Serif"); - - if (fam == QLatin1String("MS Sans Serif") - && (request.style == QFont::StyleItalic || (-lf.lfHeight > 18 && -lf.lfHeight != 24))) { - fam = QStringLiteral("Arial"); // MS Sans Serif has bearing problems in italic, and does not scale - } - if (fam == QLatin1String("Courier") && !(request.styleStrategy & QFont::PreferBitmap)) - fam = QStringLiteral("Courier New"); - - memcpy(lf.lfFaceName, fam.utf16(), fam.size() * sizeof(wchar_t)); - - return lf; -} - QStringList QWindowsFontDatabase::extraTryFontsForFamily(const QString &family) { QStringList result; @@ -1947,7 +1241,7 @@ QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, const Q } #if !defined(QT_NO_DIRECTWRITE) - if (initDirectWrite(data.data())) { + if (data->directWriteFactory != nullptr) { const QString fam = QString::fromWCharArray(lf.lfFaceName); const QString nameSubstitute = QWindowsFontEngineDirectWrite::fontNameSubstitute(fam); if (nameSubstitute != fam) { @@ -2023,62 +1317,6 @@ QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, const Q return fe; } -QFont QWindowsFontDatabase::systemDefaultFont() -{ -#if QT_VERSION >= 0x060000 - // Qt 6: Obtain default GUI font (typically "Segoe UI, 9pt", see QTBUG-58610) - NONCLIENTMETRICS ncm; - ncm.cbSize = FIELD_OFFSET(NONCLIENTMETRICS, lfMessageFont) + sizeof(LOGFONT); - SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize , &ncm, 0); - const QFont systemFont = QWindowsFontDatabase::LOGFONT_to_QFont(ncm.lfMessageFont); -#else - LOGFONT lf; - GetObject(QWindowsFontDatabase::systemFont(), sizeof(lf), &lf); - QFont systemFont = QWindowsFontDatabase::LOGFONT_to_QFont(lf); - // "MS Shell Dlg 2" is the correct system font >= Win2k - if (systemFont.family() == QLatin1String("MS Shell Dlg")) - systemFont.setFamily(QStringLiteral("MS Shell Dlg 2")); - // Qt 5 by (Qt 4) legacy uses GetStockObject(DEFAULT_GUI_FONT) to - // obtain the default GUI font (typically "MS Shell Dlg 2, 8pt"). This has been - // long deprecated; the message font of the NONCLIENTMETRICS structure obtained by - // SystemParametersInfo(SPI_GETNONCLIENTMETRICS) should be used instead (see - // QWindowsTheme::refreshFonts(), typically "Segoe UI, 9pt"), which is larger. -#endif // Qt 5 - qCDebug(lcQpaFonts) << __FUNCTION__ << systemFont; - return systemFont; -} - -QFont QWindowsFontDatabase::LOGFONT_to_QFont(const LOGFONT& logFont, int verticalDPI_In) -{ - if (verticalDPI_In <= 0) - verticalDPI_In = defaultVerticalDPI(); - QFont qFont(QString::fromWCharArray(logFont.lfFaceName)); - qFont.setItalic(logFont.lfItalic); - if (logFont.lfWeight != FW_DONTCARE) - qFont.setWeight(QPlatformFontDatabase::weightFromInteger(logFont.lfWeight)); - const qreal logFontHeight = qAbs(logFont.lfHeight); - qFont.setPointSizeF(logFontHeight * 72.0 / qreal(verticalDPI_In)); - qFont.setUnderline(logFont.lfUnderline); - qFont.setOverline(false); - qFont.setStrikeOut(logFont.lfStrikeOut); - return qFont; -} - -int QWindowsFontDatabase::defaultVerticalDPI() -{ - static int vDPI = -1; - if (vDPI == -1) { - if (HDC defaultDC = GetDC(0)) { - vDPI = GetDeviceCaps(defaultDC, LOGPIXELSY); - ReleaseDC(0, defaultDC); - } else { - // FIXME: Resolve now or return 96 and keep unresolved? - vDPI = 96; - } - } - return vDPI; -} - bool QWindowsFontDatabase::isPrivateFontFamily(const QString &family) const { return m_eudcFonts.contains(family) || QPlatformFontDatabase::isPrivateFontFamily(family); |