diff options
Diffstat (limited to 'src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp')
| -rw-r--r-- | src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp | 217 |
1 files changed, 118 insertions, 99 deletions
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp index d71af4b232..a5779fc291 100644 --- a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp +++ b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase.cpp @@ -754,7 +754,7 @@ static inline QFontDatabase::WritingSystem writingSystemFromCharSet(uchar charSe ((quint32)(ch1)) \ ) -bool localizedName(const QString &name) +bool qt_localizedName(const QString &name) { const QChar *c = name.unicode(); for (int i = 0; i < name.length(); ++i) { @@ -764,24 +764,8 @@ bool localizedName(const QString &name) return false; } -static inline quint16 getUShort(const unsigned char *p) -{ - quint16 val; - val = *p++ << 8; - val |= *p; - - return val; -} - namespace { -struct FontNames { - QString name; // e.g. "DejaVu Sans Condensed" - QString style; // e.g. "Italic" - QString preferredName; // e.g. "DejaVu Sans" - QString preferredStyle; // e.g. "Condensed Italic" -}; - static QString readName(bool unicode, const uchar *string, int length) { QString out; @@ -792,7 +776,7 @@ static QString readName(bool unicode, const uchar *string, int length) out.resize(length); QChar *uc = out.data(); for (int i = 0; i < length; ++i) - uc[i] = getUShort(string + 2*i); + uc[i] = qt_getUShort(string + 2*i); } else { // Apple Roman @@ -817,7 +801,7 @@ enum PlatformFieldValue { PlatformId_Microsoft = 3 }; -static FontNames getCanonicalFontNames(const uchar *table, quint32 bytes) +FontNames qt_getCanonicalFontNames(const uchar *table, quint32 bytes) { FontNames out; const int NameRecordSize = 12; @@ -831,11 +815,11 @@ static FontNames getCanonicalFontNames(const uchar *table, quint32 bytes) if (bytes < 8) return out; - if (getUShort(table) != 0) + if (qt_getUShort(table) != 0) return out; - count = getUShort(table+2); - string_offset = getUShort(table+4); + count = qt_getUShort(table + 2); + string_offset = qt_getUShort(table + 4); names = table + 6; if (string_offset >= bytes || 6 + count*NameRecordSize > string_offset) @@ -854,10 +838,10 @@ static FontNames getCanonicalFontNames(const uchar *table, quint32 bytes) for (int i = 0; i < count; ++i) { // search for the correct name entries - quint16 platform_id = getUShort(names + i*NameRecordSize); - quint16 encoding_id = getUShort(names + 2 + i*NameRecordSize); - quint16 language_id = getUShort(names + 4 + i*NameRecordSize); - quint16 name_id = getUShort(names + 6 + i*NameRecordSize); + quint16 platform_id = qt_getUShort(names + i*NameRecordSize); + quint16 encoding_id = qt_getUShort(names + 2 + i*NameRecordSize); + quint16 language_id = qt_getUShort(names + 4 + i*NameRecordSize); + quint16 name_id = qt_getUShort(names + 6 + i*NameRecordSize); PlatformIdType *idType = nullptr; int *id = nullptr; @@ -883,8 +867,8 @@ static FontNames getCanonicalFontNames(const uchar *table, quint32 bytes) continue; } - quint16 length = getUShort(names + 8 + i*NameRecordSize); - quint16 offset = getUShort(names + 10 + i*NameRecordSize); + quint16 length = qt_getUShort(names + 8 + i*NameRecordSize); + quint16 offset = qt_getUShort(names + 10 + i*NameRecordSize); if (DWORD(string_offset + offset + length) > bytes) continue; @@ -911,8 +895,8 @@ static FontNames getCanonicalFontNames(const uchar *table, quint32 bytes) if (idStatus[i] == NotFound) continue; int id = ids[i]; - quint16 length = getUShort(names + 8 + id * NameRecordSize); - quint16 offset = getUShort(names + 10 + id * NameRecordSize); + quint16 length = qt_getUShort(names + 8 + id * NameRecordSize); + quint16 offset = qt_getUShort(names + 10 + id * NameRecordSize); const unsigned char *string = table + string_offset + offset; strings[i] = readName(idStatus[i] != Apple, string, length); } @@ -926,7 +910,7 @@ static FontNames getCanonicalFontNames(const uchar *table, quint32 bytes) } // namespace -QString getEnglishName(const QString &familyName, bool includeStyle = false) +QString qt_getEnglishName(const QString &familyName, bool includeStyle) { QString i18n_name; QString faceName = familyName; @@ -965,7 +949,7 @@ QString getEnglishName(const QString &familyName, bool includeStyle = false) goto error; { - const FontNames names = getCanonicalFontNames(table, bytes); + const FontNames names = qt_getCanonicalFontNames(table, bytes); i18n_name = names.name; if (includeStyle) i18n_name += QLatin1Char(' ') + names.style; @@ -980,16 +964,63 @@ error: return i18n_name; } -static bool addFontToDatabase(const QString &familyName, const QString &styleName, uchar charSet, +// Note this duplicates parts of qt_getEnglishName, we should try to unify the two functions. +FontNames qt_getCanonicalFontNames(const LOGFONT &lf) +{ + FontNames fontNames; + HDC hdc = GetDC(0); + HFONT hfont = CreateFontIndirect(&lf); + + if (!hfont) { + ReleaseDC(0, hdc); + return fontNames; + } + + HGDIOBJ oldobj = SelectObject(hdc, hfont); + + // get the name table + QByteArray table; + const DWORD name_tag = MAKE_TAG('n', 'a', 'm', 'e'); + DWORD bytes = GetFontData(hdc, name_tag, 0, 0, 0); + if (bytes != GDI_ERROR) { + table.resize(bytes); + + if (GetFontData(hdc, name_tag, 0, table.data(), bytes) != GDI_ERROR) + fontNames = qt_getCanonicalFontNames(reinterpret_cast<const uchar*>(table.constData()), bytes); + } + + SelectObject(hdc, oldobj); + DeleteObject(hfont); + ReleaseDC(0, hdc); + + return fontNames; +} + +static QChar *createFontFile(const QString &faceName) +{ + QChar *faceNamePtr = nullptr; + if (!faceName.isEmpty()) { + const int nameLength = qMin(faceName.length(), LF_FACESIZE - 1); + faceNamePtr = new QChar[nameLength + 1]; + memcpy(faceNamePtr, faceName.utf16(), sizeof(wchar_t) * nameLength); + faceNamePtr[nameLength] = 0; + } + return faceNamePtr; +} + +static bool addFontToDatabase(QString familyName, + QString styleName, + const LOGFONT &logFont, const TEXTMETRIC *textmetric, const FONTSIGNATURE *signature, - int type, - bool registerAlias) + int type) { // the "@family" fonts are just the same as "family". Ignore them. if (familyName.isEmpty() || familyName.at(0) == QLatin1Char('@') || familyName.startsWith(QLatin1String("WST_"))) return false; + uchar charSet = logFont.lfCharSet; + static const int SMOOTH_SCALABLE = 0xffff; const QString foundryName; // No such concept. const bool fixed = !(textmetric->tmPitchAndFamily & TMPF_FIXED_PITCH); @@ -1018,10 +1049,24 @@ static bool addFontToDatabase(const QString &familyName, const QString &styleNam qCDebug(lcQpaFonts) << message; } #endif - QString englishName; - if (registerAlias && ttf && localizedName(familyName)) - englishName = getEnglishName(familyName); + QString faceName; + + QString subFamilyName; + QString subFamilyStyle; + if (ttf) { + // Look-up names registered in the font + FontNames canonicalNames = qt_getCanonicalFontNames(logFont); + if (qt_localizedName(familyName) && !canonicalNames.name.isEmpty()) + englishName = canonicalNames.name; + if (!canonicalNames.preferredName.isEmpty()) { + subFamilyName = familyName; + subFamilyStyle = styleName; + faceName = familyName; // Remember the original name for later lookups + familyName = canonicalNames.preferredName; + styleName = canonicalNames.preferredStyle; + } + } QSupportedWritingSystems writingSystems; if (type & TRUETYPE_FONTTYPE) { @@ -1049,32 +1094,36 @@ static bool addFontToDatabase(const QString &familyName, const QString &styleNam } QPlatformFontDatabase::registerFont(familyName, styleName, foundryName, weight, - style, stretch, antialias, scalable, size, fixed, writingSystems, 0); + style, stretch, antialias, scalable, size, fixed, writingSystems, createFontFile(faceName)); + // add fonts windows can generate for us: if (weight <= QFont::DemiBold && styleName.isEmpty()) QPlatformFontDatabase::registerFont(familyName, QString(), foundryName, QFont::Bold, - style, stretch, antialias, scalable, size, fixed, writingSystems, 0); + style, stretch, antialias, scalable, size, fixed, writingSystems, createFontFile(faceName)); if (style != QFont::StyleItalic && styleName.isEmpty()) QPlatformFontDatabase::registerFont(familyName, QString(), foundryName, weight, - QFont::StyleItalic, stretch, antialias, scalable, size, fixed, writingSystems, 0); + QFont::StyleItalic, stretch, antialias, scalable, size, fixed, writingSystems, createFontFile(faceName)); if (weight <= QFont::DemiBold && style != QFont::StyleItalic && styleName.isEmpty()) QPlatformFontDatabase::registerFont(familyName, QString(), foundryName, QFont::Bold, - QFont::StyleItalic, stretch, antialias, scalable, size, fixed, writingSystems, 0); + QFont::StyleItalic, stretch, antialias, scalable, size, fixed, writingSystems, createFontFile(faceName)); - if (!englishName.isEmpty()) + if (!subFamilyName.isEmpty() && familyName != subFamilyName) { + QPlatformFontDatabase::registerFont(subFamilyName, subFamilyStyle, foundryName, weight, + style, stretch, antialias, scalable, size, fixed, writingSystems, createFontFile(faceName)); + } + + if (!englishName.isEmpty() && englishName != familyName) QPlatformFontDatabase::registerAliasToFontFamily(familyName, englishName); return true; } static int QT_WIN_CALLBACK storeFont(const LOGFONT *logFont, const TEXTMETRIC *textmetric, - DWORD type, LPARAM lParam) + DWORD type, LPARAM) { const ENUMLOGFONTEX *f = reinterpret_cast<const ENUMLOGFONTEX *>(logFont); const QString familyName = QString::fromWCharArray(f->elfLogFont.lfFaceName); const QString styleName = QString::fromWCharArray(f->elfStyle); - const uchar charSet = f->elfLogFont.lfCharSet; - const bool registerAlias = bool(lParam); // NEWTEXTMETRICEX (passed for TT fonts) is a NEWTEXTMETRIC, which according // to the documentation is identical to a TEXTMETRIC except for the last four @@ -1082,13 +1131,13 @@ static int QT_WIN_CALLBACK storeFont(const LOGFONT *logFont, const TEXTMETRIC *t const FONTSIGNATURE *signature = Q_NULLPTR; if (type & TRUETYPE_FONTTYPE) signature = &reinterpret_cast<const NEWTEXTMETRICEX *>(textmetric)->ntmFontSig; - addFontToDatabase(familyName, styleName, charSet, textmetric, signature, type, registerAlias); + addFontToDatabase(familyName, styleName, *logFont, textmetric, signature, type); // keep on enumerating return 1; } -void QWindowsFontDatabase::populateFamily(const QString &familyName, bool registerAlias) +void QWindowsFontDatabase::populateFamily(const QString &familyName) { qCDebug(lcQpaFonts) << familyName; if (familyName.size() >= LF_FACESIZE) { @@ -1101,29 +1150,12 @@ void QWindowsFontDatabase::populateFamily(const QString &familyName, bool regist familyName.toWCharArray(lf.lfFaceName); lf.lfFaceName[familyName.size()] = 0; lf.lfPitchAndFamily = 0; - EnumFontFamiliesEx(dummy, &lf, storeFont, LPARAM(registerAlias), 0); + EnumFontFamiliesEx(dummy, &lf, storeFont, 0, 0); ReleaseDC(0, dummy); } -void QWindowsFontDatabase::populateFamily(const QString &familyName) -{ - populateFamily(familyName, false); -} - -namespace { -// Context for enumerating system fonts, records whether the default font has been encountered, -// which is normally not enumerated by EnumFontFamiliesEx(). -struct PopulateFamiliesContext -{ - PopulateFamiliesContext(const QString &f) : systemDefaultFont(f), seenSystemDefaultFont(false) {} - - QString systemDefaultFont; - bool seenSystemDefaultFont; -}; -} // namespace - -static int QT_WIN_CALLBACK populateFontFamilies(const LOGFONT *logFont, const TEXTMETRIC *textmetric, - DWORD, LPARAM lparam) +static int QT_WIN_CALLBACK populateFontFamilies(const LOGFONT *logFont, const TEXTMETRIC *, + DWORD, LPARAM) { // the "@family" fonts are just the same as "family". Ignore them. const ENUMLOGFONTEX *f = reinterpret_cast<const ENUMLOGFONTEX *>(logFont); @@ -1131,22 +1163,6 @@ static int QT_WIN_CALLBACK populateFontFamilies(const LOGFONT *logFont, const TE if (faceNameW[0] && faceNameW[0] != L'@' && wcsncmp(faceNameW, L"WST_", 4)) { const QString faceName = QString::fromWCharArray(faceNameW); QPlatformFontDatabase::registerFontFamily(faceName); - PopulateFamiliesContext *context = reinterpret_cast<PopulateFamiliesContext *>(lparam); - if (!context->seenSystemDefaultFont && faceName == context->systemDefaultFont) - context->seenSystemDefaultFont = true; - - // Register current font's english name as alias - const bool ttf = textmetric->tmPitchAndFamily & TMPF_TRUETYPE; - if (ttf && localizedName(faceName)) { - const QString englishName = getEnglishName(faceName); - if (!englishName.isEmpty()) { - QPlatformFontDatabase::registerAliasToFontFamily(faceName, englishName); - // Check whether the system default font name is an alias of the current font family name, - // as on Chinese Windows, where the system font "SimSun" is an alias to a font registered under a local name - if (!context->seenSystemDefaultFont && englishName == context->systemDefaultFont) - context->seenSystemDefaultFont = true; - } - } } return 1; // continue } @@ -1159,12 +1175,10 @@ void QWindowsFontDatabase::populateFontDatabase() lf.lfCharSet = DEFAULT_CHARSET; lf.lfFaceName[0] = 0; lf.lfPitchAndFamily = 0; - PopulateFamiliesContext context(QWindowsFontDatabase::systemDefaultFont().family()); - EnumFontFamiliesEx(dummy, &lf, populateFontFamilies, reinterpret_cast<LPARAM>(&context), 0); + EnumFontFamiliesEx(dummy, &lf, populateFontFamilies, 0, 0); ReleaseDC(0, dummy); // Work around EnumFontFamiliesEx() not listing the system font. - if (!context.seenSystemDefaultFont) - QPlatformFontDatabase::registerFontFamily(context.systemDefaultFont); + QPlatformFontDatabase::registerFontFamily(QWindowsFontDatabase::systemDefaultFont().family()); } typedef QSharedPointer<QWindowsFontEngineData> QWindowsFontEngineDataPtr; @@ -1223,7 +1237,8 @@ QFontEngineMulti *QWindowsFontDatabase::fontEngineMulti(QFontEngine *fontEngine, QFontEngine * QWindowsFontDatabase::fontEngine(const QFontDef &fontDef, void *handle) { - QFontEngine *fe = QWindowsFontDatabase::createEngine(fontDef, + const QString faceName(static_cast<const QChar*>(handle)); + QFontEngine *fe = QWindowsFontDatabase::createEngine(fontDef, faceName, defaultVerticalDPI(), sharedFontData()); qCDebug(lcQpaFonts) << __FUNCTION__ << "FONTDEF" << fontDef << fe << handle; @@ -1277,7 +1292,7 @@ QT_WARNING_POP request.hintingPreference = hintingPreference; request.stretch = QFont::Unstretched; - fontEngine = QWindowsFontDatabase::createEngine(request, + fontEngine = QWindowsFontDatabase::createEngine(request, QString(), defaultVerticalDPI(), sharedFontData()); @@ -1456,7 +1471,7 @@ static void getFamiliesAndSignatures(const QByteArray &fontData, getFontTable(data, font, MAKE_TAG('n', 'a', 'm', 'e'), &table, &length); if (!table) continue; - FontNames names = getCanonicalFontNames(table, length); + FontNames names = qt_getCanonicalFontNames(table, length); if (names.name.isEmpty()) continue; @@ -1518,8 +1533,8 @@ QStringList QWindowsFontDatabase::addApplicationFont(const QByteArray &fontData, TEXTMETRIC textMetrics; GetTextMetrics(hdc, &textMetrics); - addFontToDatabase(familyName, styleName, lf.lfCharSet, &textMetrics, &signatures.at(j), - TRUETYPE_FONTTYPE, true); + addFontToDatabase(familyName, styleName, lf, &textMetrics, &signatures.at(j), + TRUETYPE_FONTTYPE); SelectObject(hdc, oldobj); DeleteObject(hfont); @@ -1545,7 +1560,7 @@ QStringList QWindowsFontDatabase::addApplicationFont(const QByteArray &fontData, for (int j = 0; j < families.count(); ++j) { const QString familyName = families.at(j).name; familyNames << familyName; - populateFamily(familyName, true); + populateFamily(familyName); } } @@ -1566,8 +1581,10 @@ void QWindowsFontDatabase::removeApplicationFonts() m_applicationFonts.clear(); } -void QWindowsFontDatabase::releaseHandle(void * /* handle */) +void QWindowsFontDatabase::releaseHandle(void *handle) { + const QChar *faceName = reinterpret_cast<const QChar *>(handle); + delete[] faceName; } QString QWindowsFontDatabase::fontDir() const @@ -1658,7 +1675,7 @@ static const char *kr_tryFonts[] = { static const char **tryFonts = 0; -LOGFONT QWindowsFontDatabase::fontDefToLOGFONT(const QFontDef &request) +LOGFONT QWindowsFontDatabase::fontDefToLOGFONT(const QFontDef &request, const QString &faceName) { LOGFONT lf; memset(&lf, 0, sizeof(LOGFONT)); @@ -1733,7 +1750,9 @@ LOGFONT QWindowsFontDatabase::fontDefToLOGFONT(const QFontDef &request) lf.lfPitchAndFamily = DEFAULT_PITCH | hint; - QString fam = request.family; + QString fam = faceName; + if (fam.isEmpty()) + fam = 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); @@ -1832,13 +1851,13 @@ QStringList QWindowsFontDatabase::fallbacksForFamily(const QString &family, QFon } -QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, +QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, const QString &faceName, int dpi, const QSharedPointer<QWindowsFontEngineData> &data) { QFontEngine *fe = 0; - LOGFONT lf = fontDefToLOGFONT(request); + LOGFONT lf = fontDefToLOGFONT(request, faceName); const bool preferClearTypeAA = lf.lfQuality == CLEARTYPE_QUALITY; if (request.stretch != 100) { |