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