/****************************************************************************

**

** Copyright (C) 2012 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.

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**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#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