| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
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| 4 | ** Contact: https://www.qt.io/licensing/ | 
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| 5 | ** | 
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| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | 
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| 7 | ** | 
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 9 | ** Commercial License Usage | 
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| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
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| 11 | ** accordance with the commercial license agreement provided with the | 
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| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
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| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
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| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
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| 16 | ** | 
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| 17 | ** GNU Lesser General Public License Usage | 
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| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
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| 19 | ** General Public License version 3 as published by the Free Software | 
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| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
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| 21 | ** packaging of this file. Please review the following information to | 
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| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
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| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
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| 24 | ** | 
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| 25 | ** GNU General Public License Usage | 
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| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
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| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
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| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
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| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
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| 31 | ** included in the packaging of this file. Please review the following | 
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| 32 | ** information to ensure the GNU General Public License requirements will | 
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| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
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| 35 | ** | 
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| 36 | ** $QT_END_LICENSE$ | 
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| 37 | ** | 
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| 38 | ****************************************************************************/ | 
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| 39 |  | 
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| 40 | #ifndef QFONTDATABASE_H | 
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| 41 | #define QFONTDATABASE_H | 
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| 42 |  | 
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| 43 | #include <QtGui/qtguiglobal.h> | 
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| 44 | #include <QtGui/qwindowdefs.h> | 
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| 45 | #include <QtCore/qstring.h> | 
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| 46 | #include <QtGui/qfont.h> | 
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| 47 |  | 
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| 48 | QT_BEGIN_NAMESPACE | 
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| 49 |  | 
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| 50 |  | 
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| 51 | struct QFontDef; | 
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| 52 | class QFontEngine; | 
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| 53 |  | 
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| 54 | class QFontDatabasePrivate; | 
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| 55 |  | 
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| 56 | class Q_GUI_EXPORT QFontDatabase | 
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| 57 | { | 
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| 58 | Q_GADGET | 
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| 59 | public: | 
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| 60 | enum WritingSystem { | 
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| 61 | Any, | 
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| 62 |  | 
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| 63 | Latin, | 
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| 64 | Greek, | 
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| 65 | Cyrillic, | 
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| 66 | Armenian, | 
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| 67 | Hebrew, | 
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| 68 | Arabic, | 
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| 69 | Syriac, | 
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| 70 | Thaana, | 
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| 71 | Devanagari, | 
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| 72 | Bengali, | 
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| 73 | Gurmukhi, | 
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| 74 | Gujarati, | 
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| 75 | Oriya, | 
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| 76 | Tamil, | 
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| 77 | Telugu, | 
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| 78 | Kannada, | 
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| 79 | Malayalam, | 
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| 80 | Sinhala, | 
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| 81 | Thai, | 
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| 82 | Lao, | 
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| 83 | Tibetan, | 
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| 84 | Myanmar, | 
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| 85 | Georgian, | 
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| 86 | Khmer, | 
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| 87 | SimplifiedChinese, | 
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| 88 | TraditionalChinese, | 
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| 89 | Japanese, | 
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| 90 | Korean, | 
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| 91 | Vietnamese, | 
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| 92 |  | 
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| 93 | Symbol, | 
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| 94 | Other = Symbol, | 
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| 95 |  | 
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| 96 | Ogham, | 
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| 97 | Runic, | 
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| 98 | Nko, | 
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| 99 |  | 
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| 100 | WritingSystemsCount | 
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| 101 | }; | 
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| 102 | Q_ENUM(WritingSystem) | 
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| 103 |  | 
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| 104 | enum SystemFont { | 
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| 105 | GeneralFont, | 
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| 106 | FixedFont, | 
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| 107 | TitleFont, | 
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| 108 | SmallestReadableFont | 
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| 109 | }; | 
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| 110 | Q_ENUM(SystemFont) | 
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| 111 |  | 
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| 112 | static QList<int> standardSizes(); | 
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| 113 |  | 
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| 114 | QFontDatabase(); | 
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| 115 |  | 
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| 116 | static QList<WritingSystem> writingSystems(); | 
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| 117 | static QList<WritingSystem> writingSystems(const QString &family); | 
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| 118 |  | 
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| 119 | static QStringList families(WritingSystem writingSystem = Any); | 
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| 120 | static QStringList styles(const QString &family); | 
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| 121 | static QList<int> pointSizes(const QString &family, const QString &style = QString()); | 
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| 122 | static QList<int> smoothSizes(const QString &family, const QString &style); | 
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| 123 | static QString styleString(const QFont &font); | 
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| 124 | static QString styleString(const QFontInfo &fontInfo); | 
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| 125 |  | 
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| 126 | static QFont font(const QString &family, const QString &style, int pointSize); | 
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| 127 |  | 
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| 128 | static bool isBitmapScalable(const QString &family, const QString &style = QString()); | 
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| 129 | static bool isSmoothlyScalable(const QString &family, const QString &style = QString()); | 
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| 130 | static bool isScalable(const QString &family, const QString &style = QString()); | 
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| 131 | static bool isFixedPitch(const QString &family, const QString &style = QString()); | 
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| 132 |  | 
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| 133 | static bool italic(const QString &family, const QString &style); | 
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| 134 | static bool bold(const QString &family, const QString &style); | 
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| 135 | static int weight(const QString &family, const QString &style); | 
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| 136 |  | 
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| 137 | static bool hasFamily(const QString &family); | 
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| 138 | static bool isPrivateFamily(const QString &family); | 
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| 139 |  | 
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| 140 | static QString writingSystemName(WritingSystem writingSystem); | 
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| 141 | static QString writingSystemSample(WritingSystem writingSystem); | 
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| 142 |  | 
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| 143 | static int addApplicationFont(const QString &fileName); | 
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| 144 | static int addApplicationFontFromData(const QByteArray &fontData); | 
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| 145 | static QStringList applicationFontFamilies(int id); | 
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| 146 | static bool removeApplicationFont(int id); | 
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| 147 | static bool removeAllApplicationFonts(); | 
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| 148 |  | 
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| 149 | static QFont systemFont(SystemFont type); | 
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| 150 |  | 
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| 151 | private: | 
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| 152 | static void createDatabase(); | 
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| 153 | static void parseFontName(const QString &name, QString &foundry, QString &family); | 
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| 154 | static QString resolveFontFamilyAlias(const QString &family); | 
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| 155 | static QFontEngine *findFont(const QFontDef &request, int script /* QChar::Script */); | 
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| 156 | static void load(const QFontPrivate *d, int script /* QChar::Script */); | 
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| 157 | static QFontDatabasePrivate *ensureFontDatabase(); | 
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| 158 |  | 
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| 159 | friend struct QFontDef; | 
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| 160 | friend class QFontPrivate; | 
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| 161 | friend class QFontDialog; | 
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| 162 | friend class QFontDialogPrivate; | 
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| 163 | friend class QFontEngineMulti; | 
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| 164 | friend class QRawFont; | 
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| 165 | }; | 
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| 166 |  | 
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| 167 | QT_END_NAMESPACE | 
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| 168 |  | 
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| 169 | #endif // QFONTDATABASE_H | 
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| 170 |  | 
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