diff options
Diffstat (limited to 'src/gui/text/qfontdatabase_win.cpp')
| -rw-r--r-- | src/gui/text/qfontdatabase_win.cpp | 288 |
1 files changed, 227 insertions, 61 deletions
diff --git a/src/gui/text/qfontdatabase_win.cpp b/src/gui/text/qfontdatabase_win.cpp index e2c5116d87..05b7509bf6 100644 --- a/src/gui/text/qfontdatabase_win.cpp +++ b/src/gui/text/qfontdatabase_win.cpp @@ -49,6 +49,11 @@ #include "qabstractfileengine.h" #include "qendian.h" +#if !defined(QT_NO_DIRECTWRITE) +# include "qsettings.h" +# include "qfontenginedirectwrite_p.h" +#endif + #ifdef Q_OS_WINCE # include <QTemporaryFile> #endif @@ -237,6 +242,8 @@ error: return i18n_name; } +extern QFont::Weight weightFromInteger(int weight); // qfontdatabase.cpp + static void addFontToDatabase(QString familyName, const QString &scriptName, TEXTMETRIC *textmetric, @@ -269,16 +276,7 @@ void addFontToDatabase(QString familyName, const QString &scriptName, if (familyName[0] != QLatin1Char('@') && !familyName.startsWith(QLatin1String("WST_"))) { QtFontStyle::Key styleKey; styleKey.style = italic ? QFont::StyleItalic : QFont::StyleNormal; - if (weight < 400) - styleKey.weight = QFont::Light; - else if (weight < 600) - styleKey.weight = QFont::Normal; - else if (weight < 700) - styleKey.weight = QFont::DemiBold; - else if (weight < 800) - styleKey.weight = QFont::Bold; - else - styleKey.weight = QFont::Black; + styleKey.weight = weightFromInteger(weight); QtFontFamily *family = privateDb()->family(familyName, true); @@ -335,7 +333,7 @@ void addFontToDatabase(QString familyName, const QString &scriptName, quint32 codePageRange[2] = { signature->fsCsb[0], signature->fsCsb[1] }; - QList<QFontDatabase::WritingSystem> systems = determineWritingSystemsFromTrueTypeBits(unicodeRange, codePageRange); + QList<QFontDatabase::WritingSystem> systems = qt_determine_writing_systems_from_truetype_bits(unicodeRange, codePageRange); for (int i = 0; i < systems.count(); ++i) { QFontDatabase::WritingSystem writingSystem = systems.at(i); @@ -525,23 +523,82 @@ static inline void load(const QString &family = QString(), int = -1) -static void initFontInfo(QFontEngineWin *fe, const QFontDef &request, const QFontPrivate *fp) +static void initFontInfo(QFontEngineWin *fe, const QFontDef &request, HDC fontHdc, int dpi) { fe->fontDef = request; // most settings are equal - HDC dc = ((request.styleStrategy & QFont::PreferDevice) && fp->hdc) ? fp->hdc : shared_dc(); + HDC dc = ((request.styleStrategy & QFont::PreferDevice) && fontHdc) ? fontHdc : shared_dc(); SelectObject(dc, fe->hfont); wchar_t n[64]; GetTextFace(dc, 64, n); fe->fontDef.family = QString::fromWCharArray(n); fe->fontDef.fixedPitch = !(fe->tm.tmPitchAndFamily & TMPF_FIXED_PITCH); if (fe->fontDef.pointSize < 0) { - fe->fontDef.pointSize = fe->fontDef.pixelSize * 72. / fp->dpi; + fe->fontDef.pointSize = fe->fontDef.pixelSize * 72. / dpi; } else if (fe->fontDef.pixelSize == -1) { - fe->fontDef.pixelSize = qRound(fe->fontDef.pointSize * fp->dpi / 72.); + fe->fontDef.pixelSize = qRound(fe->fontDef.pointSize * dpi / 72.); } } +#if !defined(QT_NO_DIRECTWRITE) +static void initFontInfo(QFontEngineDirectWrite *fe, const QFontDef &request, + int dpi, IDWriteFont *font) +{ + fe->fontDef = request; + + IDWriteFontFamily *fontFamily = NULL; + HRESULT hr = font->GetFontFamily(&fontFamily); + + IDWriteLocalizedStrings *familyNames = NULL; + if (SUCCEEDED(hr)) + hr = fontFamily->GetFamilyNames(&familyNames); + + UINT32 index = 0; + BOOL exists = false; + + wchar_t localeName[LOCALE_NAME_MAX_LENGTH]; + + if (SUCCEEDED(hr)) { + int defaultLocaleSuccess = GetUserDefaultLocaleName(localeName, LOCALE_NAME_MAX_LENGTH); + + if (defaultLocaleSuccess) + hr = familyNames->FindLocaleName(localeName, &index, &exists); + + if (SUCCEEDED(hr) && !exists) + hr = familyNames->FindLocaleName(L"en-us", &index, &exists); + } + + if (!exists) + index = 0; + + UINT32 length = 0; + if (SUCCEEDED(hr)) + hr = familyNames->GetStringLength(index, &length); + + wchar_t *name = new (std::nothrow) wchar_t[length+1]; + if (name == NULL) + hr = E_OUTOFMEMORY; + + // Get the family name. + if (SUCCEEDED(hr)) + hr = familyNames->GetString(index, name, length + 1); + + if (SUCCEEDED(hr)) + fe->fontDef.family = QString::fromWCharArray(name); + + delete[] name; + if (familyNames != NULL) + familyNames->Release(); + + if (FAILED(hr)) + qErrnoWarning(hr, "initFontInfo: Failed to get family name"); + + if (fe->fontDef.pointSize < 0) + fe->fontDef.pointSize = fe->fontDef.pixelSize * 72. / dpi; + else if (fe->fontDef.pixelSize == -1) + fe->fontDef.pixelSize = qRound(fe->fontDef.pointSize * dpi / 72.); +} +#endif static const char *other_tryFonts[] = { "Arial", @@ -595,6 +652,14 @@ static const char *kr_tryFonts[] = { static const char **tryFonts = 0; +#if !defined(QT_NO_DIRECTWRITE) +static QString fontNameSubstitute(const QString &familyName) +{ + QLatin1String key("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\CurrentVersion\\" + "FontSubstitutes"); + return QSettings(key, QSettings::NativeFormat).value(familyName, familyName).toString(); +} +#endif static inline HFONT systemFont() { @@ -607,20 +672,21 @@ static inline HFONT systemFont() #define DEFAULT_GUI_FONT 17 #endif -static -QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &request, const QtFontDesc *desc, - const QStringList &family_list) +static QFontEngine *loadEngine(int script, const QFontDef &request, + HDC fontHdc, int dpi, bool rawMode, + const QtFontDesc *desc, + const QStringList &family_list) { LOGFONT lf; memset(&lf, 0, sizeof(LOGFONT)); - bool useDevice = (request.styleStrategy & QFont::PreferDevice) && fp->hdc; + bool useDevice = (request.styleStrategy & QFont::PreferDevice) && fontHdc; HDC hdc = shared_dc(); - QString font_name = desc->family->name; + QString font_name = desc != 0 ? desc->family->name : request.family; if (useDevice) { - hdc = fp->hdc; + hdc = fontHdc; font_name = request.family; } @@ -629,9 +695,18 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ HFONT hfont = 0; - if (fp->rawMode) { // will choose a stock font + +#if !defined(QT_NO_DIRECTWRITE) + bool useDirectWrite = (request.hintingPreference == QFont::PreferNoHinting) + || (request.hintingPreference == QFont::PreferVerticalHinting); + IDWriteFont *directWriteFont = 0; +#else + bool useDirectWrite = false; +#endif + + if (rawMode) { // will choose a stock font int f, deffnt = SYSTEM_FONT; - QString fam = desc->family->name.toLower(); + QString fam = desc != 0 ? desc->family->name.toLower() : request.family.toLower(); if (fam == QLatin1String("default")) f = deffnt; else if (fam == QLatin1String("system")) @@ -685,11 +760,11 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ lf.lfWidth = 0; lf.lfEscapement = 0; lf.lfOrientation = 0; - if (desc->style->key.weight == 50) + if (desc == 0 || desc->style->key.weight == 50) lf.lfWeight = FW_DONTCARE; else lf.lfWeight = (desc->style->key.weight*900)/99; - lf.lfItalic = (desc->style->key.style != QFont::StyleNormal); + lf.lfItalic = (desc != 0 && desc->style->key.style != QFont::StyleNormal); lf.lfCharSet = DEFAULT_CHARSET; int strat = OUT_DEFAULT_PRECIS; @@ -745,6 +820,7 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ fam = QLatin1String("Courier New"); memcpy(lf.lfFaceName, fam.utf16(), sizeof(wchar_t) * qMin(fam.length() + 1, 32)); // 32 = Windows hard-coded + hfont = CreateFontIndirect(&lf); if (!hfont) qErrnoWarning("QFontEngine::loadEngine: CreateFontIndirect failed"); @@ -759,54 +835,130 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ res = GetTextMetrics(hdc, &tm); avWidth = tm.tmAveCharWidth; ttf = tm.tmPitchAndFamily & TMPF_TRUETYPE; - SelectObject(hdc, oldObj); - if (hfont && (!ttf || request.stretch != 100)) { - DeleteObject(hfont); - if (!res) - qErrnoWarning("QFontEngine::loadEngine: GetTextMetrics failed"); - lf.lfWidth = avWidth * request.stretch/100; - hfont = CreateFontIndirect(&lf); - if (!hfont) - qErrnoWarning("QFontEngine::loadEngine: CreateFontIndirect with stretch failed"); - } + if (!ttf || !useDirectWrite) { + useDirectWrite = false; + + if (hfont && (!ttf || request.stretch != 100)) { + DeleteObject(hfont); + if (!res) + qErrnoWarning("QFontEngine::loadEngine: GetTextMetrics failed"); + lf.lfWidth = avWidth * request.stretch/100; + hfont = CreateFontIndirect(&lf); + if (!hfont) + qErrnoWarning("QFontEngine::loadEngine: CreateFontIndirect with stretch failed"); + } #ifndef Q_WS_WINCE - if (hfont == 0) { - hfont = (HFONT)GetStockObject(ANSI_VAR_FONT); - stockFont = true; - } + if (hfont == 0) { + hfont = (HFONT)GetStockObject(ANSI_VAR_FONT); + stockFont = true; + } #else - if (hfont == 0) { - hfont = (HFONT)GetStockObject(SYSTEM_FONT); - stockFont = true; + if (hfont == 0) { + hfont = (HFONT)GetStockObject(SYSTEM_FONT); + stockFont = true; + } +#endif + + } + +#if !defined(QT_NO_DIRECTWRITE) + else { + // Default to false for DirectWrite (and re-enable once/if everything + // turns out okay) + useDirectWrite = false; + + QFontDatabasePrivate *db = privateDb(); + if (db->directWriteFactory == 0) { + HRESULT hr = DWriteCreateFactory( + DWRITE_FACTORY_TYPE_SHARED, + __uuidof(IDWriteFactory), + reinterpret_cast<IUnknown **>(&db->directWriteFactory) + ); + if (FAILED(hr)) { + qErrnoWarning("QFontEngine::loadEngine: DWriteCreateFactory failed"); + } else { + hr = db->directWriteFactory->GetGdiInterop(&db->directWriteGdiInterop); + if (FAILED(hr)) + qErrnoWarning("QFontEngine::loadEngine: GetGdiInterop failed"); + } + } + + if (db->directWriteGdiInterop != 0) { + QString nameSubstitute = fontNameSubstitute(QString::fromWCharArray(lf.lfFaceName)); + memcpy(lf.lfFaceName, nameSubstitute.utf16(), + sizeof(wchar_t) * qMin(nameSubstitute.length() + 1, LF_FACESIZE)); + + HRESULT hr = db->directWriteGdiInterop->CreateFontFromLOGFONT( + &lf, + &directWriteFont); + if (FAILED(hr)) { +#ifndef QT_NO_DEBUG + qErrnoWarning("QFontEngine::loadEngine: CreateFontFromLOGFONT failed " + "for %ls (0x%lx)", + lf.lfFaceName, hr); +#endif + } else { + DeleteObject(hfont); + useDirectWrite = true; + } + } } #endif } - QFontEngineWin *few = new QFontEngineWin(font_name, hfont, stockFont, lf); - - if (preferClearTypeAA) - few->glyphFormat = QFontEngineGlyphCache::Raster_RGBMask; - - // Also check for OpenType tables when using complex scripts - // ### TODO: This only works for scripts that require OpenType. More generally - // for scripts that do not require OpenType we should just look at the list of - // supported writing systems in the font's OS/2 table. - if (scriptRequiresOpenType(script)) { - HB_Face hbFace = few->harfbuzzFace(); - if (!hbFace || !hbFace->supported_scripts[script]) { - FM_DEBUG(" OpenType support missing for script\n"); - delete few; - return 0; + + QFontEngine *fe = 0; + if (!useDirectWrite) { + QFontEngineWin *few = new QFontEngineWin(font_name, hfont, stockFont, lf); + if (preferClearTypeAA) + few->glyphFormat = QFontEngineGlyphCache::Raster_RGBMask; + + // Also check for OpenType tables when using complex scripts + // ### TODO: This only works for scripts that require OpenType. More generally + // for scripts that do not require OpenType we should just look at the list of + // supported writing systems in the font's OS/2 table. + if (scriptRequiresOpenType(script)) { + HB_Face hbFace = few->harfbuzzFace(); + if (!hbFace || !hbFace->supported_scripts[script]) { + FM_DEBUG(" OpenType support missing for script\n"); + delete few; + return 0; + } + } + + initFontInfo(few, request, fontHdc, dpi); + fe = few; + } + +#if !defined(QT_NO_DIRECTWRITE) + else { + QFontDatabasePrivate *db = privateDb(); + + IDWriteFontFace *directWriteFontFace = NULL; + HRESULT hr = directWriteFont->CreateFontFace(&directWriteFontFace); + if (SUCCEEDED(hr)) { + QFontEngineDirectWrite *fedw = new QFontEngineDirectWrite(db->directWriteFactory, + directWriteFontFace, + request.pixelSize); + + initFontInfo(fedw, request, dpi, directWriteFont); + + fe = fedw; + } else { + qErrnoWarning(hr, "QFontEngine::loadEngine: CreateFontFace failed"); } } - QFontEngine *fe = few; - initFontInfo(few, request, fp); + if (directWriteFont != 0) + directWriteFont->Release(); +#endif + if(script == QUnicodeTables::Common && !(request.styleStrategy & QFont::NoFontMerging) + && desc != 0 && !(desc->family->writingSystems[QFontDatabase::Symbol] & QtFontFamily::Supported)) { if(!tryFonts) { LANGID lid = GetUserDefaultLangID(); @@ -836,13 +988,27 @@ QFontEngine *loadEngine(int script, const QFontPrivate *fp, const QFontDef &requ list << QLatin1String(*tf); ++tf; } - QFontEngine *mfe = new QFontEngineMultiWin(few, list); + QFontEngine *mfe = new QFontEngineMultiWin(fe, list); mfe->fontDef = fe->fontDef; fe = mfe; } return fe; } +QFontEngine *qt_load_font_engine_win(const QFontDef &request) +{ + // From qfont.cpp + extern int qt_defaultDpi(); + + QFontCache::Key key(request, QUnicodeTables::Common); + QFontEngine *fe = QFontCache::instance()->findEngine(key); + if (fe != 0) + return fe; + else + return loadEngine(QUnicodeTables::Common, request, 0, qt_defaultDpi(), false, 0, + QStringList()); +} + const char *styleHint(const QFontDef &request) { const char *stylehint = 0; @@ -903,7 +1069,7 @@ static QFontEngine *loadWin(const QFontPrivate *d, int script, const QFontDef &r } if (!desc.family) break; - fe = loadEngine(script, d, req, &desc, family_list); + fe = loadEngine(script, req, d->hdc, d->dpi, d->rawMode, &desc, family_list); if (!fe) blacklistedFamilies.append(desc.familyIndex); } |