diff options
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp')
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp deleted file mode 100644 index bc0e5cc523..0000000000 --- a/src/plugins/platforms/windows/qwindowsfontdatabase_ft.cpp +++ /dev/null @@ -1,438 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** 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 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 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. -** -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qwindowsfontdatabase_ft.h" -#include "qwindowsfontdatabase.h" -#include "qwindowscontext.h" - -#include <ft2build.h> -#include FT_TRUETYPE_TABLES_H - -#include <QtCore/QDir> -#include <QtCore/QDirIterator> -#include <QtCore/QSettings> -#include <QtCore/QRegularExpression> -#include <QtGui/private/qfontengine_ft_p.h> -#include <QtGui/QGuiApplication> -#include <QtGui/QFontDatabase> - -#include <wchar.h> - -QT_BEGIN_NAMESPACE - -static inline QFontDatabase::WritingSystem writingSystemFromCharSet(uchar charSet) -{ - switch (charSet) { - case ANSI_CHARSET: - case EASTEUROPE_CHARSET: - case BALTIC_CHARSET: - case TURKISH_CHARSET: - return QFontDatabase::Latin; - case GREEK_CHARSET: - return QFontDatabase::Greek; - case RUSSIAN_CHARSET: - return QFontDatabase::Cyrillic; - case HEBREW_CHARSET: - return QFontDatabase::Hebrew; - case ARABIC_CHARSET: - return QFontDatabase::Arabic; - case THAI_CHARSET: - return QFontDatabase::Thai; - case GB2312_CHARSET: - return QFontDatabase::SimplifiedChinese; - case CHINESEBIG5_CHARSET: - return QFontDatabase::TraditionalChinese; - case SHIFTJIS_CHARSET: - return QFontDatabase::Japanese; - case HANGUL_CHARSET: - case JOHAB_CHARSET: - return QFontDatabase::Korean; - case VIETNAMESE_CHARSET: - return QFontDatabase::Vietnamese; - case SYMBOL_CHARSET: - return QFontDatabase::Symbol; - default: - break; - } - return QFontDatabase::Any; -} - -static FontFile * createFontFile(const QString &fileName, int index) -{ - FontFile *fontFile = new FontFile; - fontFile->fileName = fileName; - fontFile->indexValue = index; - return fontFile; -} - -extern bool localizedName(const QString &name); -extern QString getEnglishName(const QString &familyName, bool includeStyle = false); - -namespace { -struct FontKey -{ - QString fileName; - QStringList fontNames; -}; -} // namespace - -typedef QVector<FontKey> FontKeys; - -static FontKeys &fontKeys() -{ - static FontKeys result; - if (result.isEmpty()) { - const QSettings fontRegistry(QStringLiteral("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts"), - QSettings::NativeFormat); - const QStringList allKeys = fontRegistry.allKeys(); - const QString trueType = QStringLiteral("(TrueType)"); -#ifndef QT_NO_REGULAREXPRESSION - const QRegularExpression sizeListMatch(QStringLiteral("\\s(\\d+,)+\\d+")); -#else - const QRegExp sizeListMatch(QLatin1String("\\s(\\d+,)+\\d+")); -#endif - Q_ASSERT(sizeListMatch.isValid()); - const int size = allKeys.size(); - result.reserve(size); - for (int i = 0; i < size; ++i) { - FontKey fontKey; - const QString ®istryFontKey = allKeys.at(i); - fontKey.fileName = fontRegistry.value(registryFontKey).toString(); - QString realKey = registryFontKey; - realKey.remove(trueType); - realKey.remove(sizeListMatch); - const auto fontNames = QStringRef(&realKey).trimmed().split(QLatin1Char('&')); - fontKey.fontNames.reserve(fontNames.size()); - for (const QStringRef &fontName : fontNames) - fontKey.fontNames.append(fontName.trimmed().toString()); - result.append(fontKey); - } - } - return result; -} - -static const FontKey *findFontKey(const QString &name, int *indexIn = Q_NULLPTR) -{ - const FontKeys &keys = fontKeys(); - for (auto it = keys.constBegin(), cend = keys.constEnd(); it != cend; ++it) { - const int index = it->fontNames.indexOf(name); - if (index >= 0) { - if (indexIn) - *indexIn = index; - return &(*it); - } - } - if (indexIn) - *indexIn = -1; - return Q_NULLPTR; -} - -static bool addFontToDatabase(const QString &faceName, - const QString &styleName, - const QString &fullName, - uchar charSet, - const TEXTMETRIC *textmetric, - const FONTSIGNATURE *signature, - int type, - bool registerAlias) -{ - // the "@family" fonts are just the same as "family". Ignore them. - if (faceName.isEmpty() || faceName.at(0) == QLatin1Char('@') || faceName.startsWith(QLatin1String("WST_"))) - return false; - - static const int SMOOTH_SCALABLE = 0xffff; - const QString foundryName; // No such concept. - const bool fixed = !(textmetric->tmPitchAndFamily & TMPF_FIXED_PITCH); - const bool ttf = (textmetric->tmPitchAndFamily & TMPF_TRUETYPE); - const bool scalable = textmetric->tmPitchAndFamily & (TMPF_VECTOR|TMPF_TRUETYPE); - const int size = scalable ? SMOOTH_SCALABLE : textmetric->tmHeight; - const QFont::Style style = textmetric->tmItalic ? QFont::StyleItalic : QFont::StyleNormal; - const bool antialias = false; - const QFont::Weight weight = QPlatformFontDatabase::weightFromInteger(textmetric->tmWeight); - const QFont::Stretch stretch = QFont::Unstretched; - -#ifndef QT_NO_DEBUG_STREAM - if (QWindowsContext::verbose > 2) { - QString message; - QTextStream str(&message); - str << __FUNCTION__ << ' ' << faceName << "::" << fullName << ' ' << charSet << " TTF=" << ttf; - if (type & DEVICE_FONTTYPE) - str << " DEVICE"; - if (type & RASTER_FONTTYPE) - str << " RASTER"; - if (type & TRUETYPE_FONTTYPE) - str << " TRUETYPE"; - str << " scalable=" << scalable << " Size=" << size - << " Style=" << style << " Weight=" << weight - << " stretch=" << stretch; - qCDebug(lcQpaFonts) << message; - } -#endif - - QString englishName; - if (registerAlias & ttf && localizedName(faceName)) - englishName = getEnglishName(faceName); - - QSupportedWritingSystems writingSystems; - if (type & TRUETYPE_FONTTYPE) { - Q_ASSERT(signature); - quint32 unicodeRange[4] = { - signature->fsUsb[0], signature->fsUsb[1], - signature->fsUsb[2], signature->fsUsb[3] - }; - quint32 codePageRange[2] = { - signature->fsCsb[0], signature->fsCsb[1] - }; - writingSystems = QPlatformFontDatabase::writingSystemsFromTrueTypeBits(unicodeRange, codePageRange); - // ### Hack to work around problem with Thai text on Windows 7. Segoe UI contains - // the symbol for Baht, and Windows thus reports that it supports the Thai script. - // Since it's the default UI font on this platform, most widgets will be unable to - // display Thai text by default. As a temporary work around, we special case Segoe UI - // and remove the Thai script from its list of supported writing systems. - if (writingSystems.supported(QFontDatabase::Thai) && - faceName == QLatin1String("Segoe UI")) - writingSystems.setSupported(QFontDatabase::Thai, false); - } else { - const QFontDatabase::WritingSystem ws = writingSystemFromCharSet(charSet); - if (ws != QFontDatabase::Any) - writingSystems.setSupported(ws); - } - - int index = 0; - const FontKey *key = findFontKey(fullName, &index); - if (!key) { - // On non-English locales, the styles of the font may be localized in enumeration, but - // not in the registry. - QLocale systemLocale = QLocale::system(); - if (systemLocale.language() != QLocale::C - && systemLocale.language() != QLocale::English - && styleName != QLatin1String("Italic") - && styleName != QLatin1String("Bold")) { - key = findFontKey(getEnglishName(fullName, true), &index); - } - if (!key) - key = findFontKey(faceName, &index); - if (!key && !registerAlias && englishName.isEmpty() && localizedName(faceName)) - englishName = getEnglishName(faceName); - if (!key && !englishName.isEmpty()) - key = findFontKey(englishName, &index); - if (!key) - return false; - } - QString value = key->fileName; - if (value.isEmpty()) - return false; - - if (!QDir::isAbsolutePath(value)) - value.prepend(QFile::decodeName(qgetenv("windir") + "\\Fonts\\")); - - QPlatformFontDatabase::registerFont(faceName, styleName, foundryName, weight, style, stretch, - antialias, scalable, size, fixed, writingSystems, createFontFile(value, index)); - - // add fonts windows can generate for us: - if (weight <= QFont::DemiBold && styleName.isEmpty()) - QPlatformFontDatabase::registerFont(faceName, QString(), foundryName, QFont::Bold, style, stretch, - antialias, scalable, size, fixed, writingSystems, createFontFile(value, index)); - - if (style != QFont::StyleItalic && styleName.isEmpty()) - QPlatformFontDatabase::registerFont(faceName, QString(), foundryName, weight, QFont::StyleItalic, stretch, - antialias, scalable, size, fixed, writingSystems, createFontFile(value, index)); - - if (weight <= QFont::DemiBold && style != QFont::StyleItalic && styleName.isEmpty()) - QPlatformFontDatabase::registerFont(faceName, QString(), foundryName, QFont::Bold, QFont::StyleItalic, stretch, - antialias, scalable, size, fixed, writingSystems, createFontFile(value, index)); - - if (!englishName.isEmpty()) - QPlatformFontDatabase::registerAliasToFontFamily(faceName, englishName); - - return true; -} - -static int QT_WIN_CALLBACK storeFont(const LOGFONT *logFont, const TEXTMETRIC *textmetric, - DWORD type, LPARAM) -{ - const ENUMLOGFONTEX *f = reinterpret_cast<const ENUMLOGFONTEX *>(logFont); - const QString faceName = QString::fromWCharArray(f->elfLogFont.lfFaceName); - const QString styleName = QString::fromWCharArray(f->elfStyle); - const QString fullName = QString::fromWCharArray(f->elfFullName); - const uchar charSet = f->elfLogFont.lfCharSet; - - // NEWTEXTMETRICEX (passed for TT fonts) is a NEWTEXTMETRIC, which according - // to the documentation is identical to a TEXTMETRIC except for the last four - // members, which we don't use anyway - const FONTSIGNATURE *signature = Q_NULLPTR; - if (type & TRUETYPE_FONTTYPE) - signature = &reinterpret_cast<const NEWTEXTMETRICEX *>(textmetric)->ntmFontSig; - addFontToDatabase(faceName, styleName, fullName, charSet, textmetric, signature, type, false); - - // keep on enumerating - return 1; -} - -/*! - \brief Populate font database using EnumFontFamiliesEx(). - - Normally, leaving the name empty should enumerate - all fonts, however, system fonts like "MS Shell Dlg 2" - are only found when specifying the name explicitly. -*/ - -void QWindowsFontDatabaseFT::populateFamily(const QString &familyName) -{ - qCDebug(lcQpaFonts) << familyName; - if (familyName.size() >= LF_FACESIZE) { - qCWarning(lcQpaFonts) << "Unable to enumerate family '" << familyName << '\''; - return; - } - HDC dummy = GetDC(0); - LOGFONT lf; - lf.lfCharSet = DEFAULT_CHARSET; - familyName.toWCharArray(lf.lfFaceName); - lf.lfFaceName[familyName.size()] = 0; - lf.lfPitchAndFamily = 0; - EnumFontFamiliesEx(dummy, &lf, storeFont, 0, 0); - ReleaseDC(0, dummy); -} - -namespace { -// Context for enumerating system fonts, records whether the default font has been -// encountered, which is normally not enumerated. -struct PopulateFamiliesContext -{ - PopulateFamiliesContext(const QString &f) : systemDefaultFont(f), seenSystemDefaultFont(false) {} - - QString systemDefaultFont; - bool seenSystemDefaultFont; -}; -} // namespace - -// Delayed population of font families - -static int QT_WIN_CALLBACK populateFontFamilies(const LOGFONT *logFont, const TEXTMETRIC *textmetric, - DWORD, LPARAM lparam) -{ - const ENUMLOGFONTEX *f = reinterpret_cast<const ENUMLOGFONTEX *>(logFont); - // the "@family" fonts are just the same as "family". Ignore them. - const wchar_t *faceNameW = f->elfLogFont.lfFaceName; - if (faceNameW[0] && faceNameW[0] != L'@' && wcsncmp(faceNameW, L"WST_", 4)) { - // Register only font families for which a font file exists for delayed population - const bool ttf = textmetric->tmPitchAndFamily & TMPF_TRUETYPE; - const QString faceName = QString::fromWCharArray(faceNameW); - const FontKey *key = findFontKey(faceName); - if (!key) { - key = findFontKey(QString::fromWCharArray(f->elfFullName)); - if (!key && ttf && localizedName(faceName)) - key = findFontKey(getEnglishName(faceName)); - } - if (key) { - 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 - 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 -} - -void QWindowsFontDatabaseFT::populateFontDatabase() -{ - HDC dummy = GetDC(0); - LOGFONT lf; - 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); - ReleaseDC(0, dummy); - // Work around EnumFontFamiliesEx() not listing the system font - if (!context.seenSystemDefaultFont) - QPlatformFontDatabase::registerFontFamily(context.systemDefaultFont); -} - -QFontEngine * QWindowsFontDatabaseFT::fontEngine(const QFontDef &fontDef, void *handle) -{ - QFontEngine *fe = QBasicFontDatabase::fontEngine(fontDef, handle); - qCDebug(lcQpaFonts) << __FUNCTION__ << "FONTDEF" << fontDef.family << fe << handle; - return fe; -} - -QFontEngine *QWindowsFontDatabaseFT::fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) -{ - QFontEngine *fe = QBasicFontDatabase::fontEngine(fontData, pixelSize, hintingPreference); - qCDebug(lcQpaFonts) << __FUNCTION__ << "FONTDATA" << fontData << pixelSize << hintingPreference << fe; - return fe; -} - -QStringList QWindowsFontDatabaseFT::fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const -{ - QStringList result; - result.append(QWindowsFontDatabase::familyForStyleHint(styleHint)); - result.append(QWindowsFontDatabase::extraTryFontsForFamily(family)); - result.append(QBasicFontDatabase::fallbacksForFamily(family, style, styleHint, script)); - - qCDebug(lcQpaFonts) << __FUNCTION__ << family << style << styleHint - << script << result; - - return result; -} -QString QWindowsFontDatabaseFT::fontDir() const -{ - const QString result = QLatin1String(qgetenv("windir")) + QLatin1String("/Fonts");//QPlatformFontDatabase::fontDir(); - qCDebug(lcQpaFonts) << __FUNCTION__ << result; - return result; -} - -QFont QWindowsFontDatabaseFT::defaultFont() const -{ - return QWindowsFontDatabase::systemDefaultFont(); -} - -QT_END_NAMESPACE |