1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtGui module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
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18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
45 #include <QtCore/qstring.h>
46 #include <QtCore/qiodevice.h>
47 #include <QtCore/qglobal.h>
48 #include <QtCore/qobject.h>
49 #include <QtCore/qpoint.h>
50 #include <QtGui/qfont.h>
51 #include <QtGui/qtransform.h>
52 #include <QtGui/qfontdatabase.h>
54 #if !defined(QT_NO_RAWFONT)
62 class QRawFontPrivate;
63 class Q_GUI_EXPORT QRawFont
66 enum AntialiasingType {
72 QRawFont(const QString &fileName,
74 QFont::HintingPreference hintingPreference = QFont::PreferDefaultHinting);
75 QRawFont(const QByteArray &fontData,
77 QFont::HintingPreference hintingPreference = QFont::PreferDefaultHinting);
78 QRawFont(const QRawFont &other);
83 QRawFont &operator=(const QRawFont &other);
85 bool operator==(const QRawFont &other) const;
86 inline bool operator!=(const QRawFont &other) const
87 { return !operator==(other); }
89 QString familyName() const;
90 QString styleName() const;
92 QFont::Style style() const;
95 QVector<quint32> glyphIndexesForString(const QString &text) const;
96 QVector<QPointF> advancesForGlyphIndexes(const QVector<quint32> &glyphIndexes) const;
97 bool glyphIndexesForChars(const QChar *chars, int numChars, quint32 *glyphIndexes, int *numGlyphs) const;
98 bool advancesForGlyphIndexes(const quint32 *glyphIndexes, QPointF *advances, int numGlyphs) const;
100 QImage alphaMapForGlyph(quint32 glyphIndex,
101 AntialiasingType antialiasingType = SubPixelAntialiasing,
102 const QTransform &transform = QTransform()) const;
103 QPainterPath pathForGlyph(quint32 glyphIndex) const;
104 QRectF boundingRect(quint32 glyphIndex) const;
106 void setPixelSize(qreal pixelSize);
107 qreal pixelSize() const;
109 QFont::HintingPreference hintingPreference() const;
111 qreal ascent() const;
112 qreal descent() const;
113 qreal leading() const;
114 qreal xHeight() const;
115 qreal averageCharWidth() const;
116 qreal maxCharWidth() const;
117 qreal lineThickness() const;
118 qreal underlinePosition() const;
120 qreal unitsPerEm() const;
122 void loadFromFile(const QString &fileName,
124 QFont::HintingPreference hintingPreference);
126 void loadFromData(const QByteArray &fontData,
128 QFont::HintingPreference hintingPreference);
130 bool supportsCharacter(quint32 ucs4) const;
131 bool supportsCharacter(const QChar &character) const;
132 QList<QFontDatabase::WritingSystem> supportedWritingSystems() const;
134 QByteArray fontTable(const char *tagName) const;
136 static QRawFont fromFont(const QFont &font,
137 QFontDatabase::WritingSystem writingSystem = QFontDatabase::Any);
140 friend class QRawFontPrivate;
141 friend class QTextLayout;
143 QExplicitlySharedDataPointer<QRawFontPrivate> d;
150 #endif // QT_NO_RAWFONT