diff options
Diffstat (limited to 'src/gui/text/qrawfont.h')
-rw-r--r-- | src/gui/text/qrawfont.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/gui/text/qrawfont.h b/src/gui/text/qrawfont.h new file mode 100644 index 0000000..cf77996 --- /dev/null +++ b/src/gui/text/qrawfont.h @@ -0,0 +1,147 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QRAWFONT_H +#define QRAWFONT_H + +#include <QtCore/qstring.h> +#include <QtCore/qiodevice.h> +#include <QtCore/qglobal.h> +#include <QtCore/qobject.h> +#include <QtCore/qpoint.h> +#include <QtGui/qfont.h> +#include <QtGui/qtransform.h> +#include <QtGui/qfontdatabase.h> + +#if !defined(QT_NO_RAWFONT) + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +class QRawFontPrivate; +class Q_GUI_EXPORT QRawFont +{ +public: + enum AntialiasingType { + PixelAntialiasing, + SubPixelAntialiasing + }; + + QRawFont(); + QRawFont(const QString &fileName, + qreal pixelSize, + QFont::HintingPreference hintingPreference = QFont::PreferDefaultHinting); + QRawFont(const QByteArray &fontData, + qreal pixelSize, + QFont::HintingPreference hintingPreference = QFont::PreferDefaultHinting); + QRawFont(const QRawFont &other); + ~QRawFont(); + + bool isValid() const; + + QRawFont &operator=(const QRawFont &other); + + bool operator==(const QRawFont &other) const; + inline bool operator!=(const QRawFont &other) const + { return !operator==(other); } + + QString familyName() const; + QString styleName() const; + + QFont::Style style() const; + int weight() const; + + QVector<quint32> glyphIndexesForString(const QString &text) const; + QVector<QPointF> advancesForGlyphIndexes(const QVector<quint32> &glyphIndexes) const; + bool glyphIndexesForChars(const QChar *chars, int numChars, quint32 *glyphIndexes, int *numGlyphs) const; + bool advancesForGlyphIndexes(const quint32 *glyphIndexes, QPointF *advances, int numGlyphs) const; + + QImage alphaMapForGlyph(quint32 glyphIndex, + AntialiasingType antialiasingType = SubPixelAntialiasing, + const QTransform &transform = QTransform()) const; + QPainterPath pathForGlyph(quint32 glyphIndex) const; + + void setPixelSize(qreal pixelSize); + qreal pixelSize() const; + + QFont::HintingPreference hintingPreference() const; + + qreal ascent() const; + qreal descent() const; + qreal leading() const; + qreal xHeight() const; + qreal averageCharWidth() const; + qreal maxCharWidth() const; + + qreal unitsPerEm() const; + + void loadFromFile(const QString &fileName, + qreal pixelSize, + QFont::HintingPreference hintingPreference); + + void loadFromData(const QByteArray &fontData, + qreal pixelSize, + QFont::HintingPreference hintingPreference); + + bool supportsCharacter(quint32 ucs4) const; + bool supportsCharacter(QChar character) const; + QList<QFontDatabase::WritingSystem> supportedWritingSystems() const; + + QByteArray fontTable(const char *tagName) const; + + static QRawFont fromFont(const QFont &font, + QFontDatabase::WritingSystem writingSystem = QFontDatabase::Any); + +private: + friend class QRawFontPrivate; + QExplicitlySharedDataPointer<QRawFontPrivate> d; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QT_NO_RAWFONT + +#endif // QRAWFONT_H |