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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPICTURE_H
#define QPICTURE_H
#include <QtGui/qpaintdevice.h>
#include <QtCore/qstringlist.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_PICTURE
class QPicturePrivate;
class Q_GUI_EXPORT QPicture : public QPaintDevice
{
Q_DECLARE_SCOPED_PRIVATE(QPicture)
public:
explicit QPicture(int formatVersion = -1);
QPicture(const QPicture &);
~QPicture();
bool isNull() const;
int devType() const;
uint size() const;
const char* data() const;
virtual void setData(const char* data, uint size);
bool play(QPainter *p);
bool load(QIODevice *dev, const char *format = 0);
bool load(const QString &fileName, const char *format = 0);
bool save(QIODevice *dev, const char *format = 0);
bool save(const QString &fileName, const char *format = 0);
QRect boundingRect() const;
void setBoundingRect(const QRect &r);
QPicture& operator=(const QPicture &p);
void detach();
bool isDetached() const;
friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &in, const QPicture &p);
friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QPicture &p);
static const char* pictureFormat(const QString &fileName);
static QList<QByteArray> inputFormats();
static QList<QByteArray> outputFormats();
static QStringList inputFormatList();
static QStringList outputFormatList();
QPaintEngine *paintEngine() const;
protected:
QPicture(QPicturePrivate &data);
int metric(PaintDeviceMetric m) const;
#ifdef QT3_SUPPORT
inline QT3_SUPPORT QPicture copy() const { QPicture p(*this); p.detach(); return p; }
#endif
private:
bool exec(QPainter *p, QDataStream &ds, int i);
void detach_helper();
QScopedSharedPointer<QPicturePrivate> d_ptr;
friend class QPicturePaintEngine;
friend class Q3Picture;
friend class QAlphaPaintEngine;
friend class QPreviewPaintEngine;
public:
typedef QPicturePrivate* DataPtr;
inline DataPtr &data_ptr() { return d_ptr.data_ptr(); }
};
Q_DECLARE_SHARED(QPicture)
#ifndef QT_NO_PICTUREIO
class QIODevice;
class QPictureIO;
typedef void (*picture_io_handler)(QPictureIO *); // picture IO handler
struct QPictureIOData;
class Q_GUI_EXPORT QPictureIO
{
public:
QPictureIO();
QPictureIO(QIODevice *ioDevice, const char *format);
QPictureIO(const QString &fileName, const char *format);
~QPictureIO();
const QPicture &picture() const;
int status() const;
const char *format() const;
QIODevice *ioDevice() const;
QString fileName() const;
int quality() const;
QString description() const;
const char *parameters() const;
float gamma() const;
void setPicture(const QPicture &);
void setStatus(int);
void setFormat(const char *);
void setIODevice(QIODevice *);
void setFileName(const QString &);
void setQuality(int);
void setDescription(const QString &);
void setParameters(const char *);
void setGamma(float);
bool read();
bool write();
static QByteArray pictureFormat(const QString &fileName);
static QByteArray pictureFormat(QIODevice *);
static QList<QByteArray> inputFormats();
static QList<QByteArray> outputFormats();
static void defineIOHandler(const char *format,
const char *header,
const char *flags,
picture_io_handler read_picture,
picture_io_handler write_picture);
private:
Q_DISABLE_COPY(QPictureIO)
void init();
QPictureIOData *d;
};
#endif //QT_NO_PICTUREIO
/*****************************************************************************
QPicture stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QPicture &);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPicture &);
#endif
#endif // QT_NO_PICTURE
QT_END_NAMESPACE
QT_END_HEADER
#endif // QPICTURE_H
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