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qpicture.h

This is the verbatim text of the qpicture.h include file. It is provided only for illustration; the copyright remains with Trolltech.

/****************************************************************************
** $Id: qt/qpicture.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of QPicture class
**
** Created : 940729
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file.  Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef QPICTURE_H
#define QPICTURE_H

#ifndef QT_H
#include "qpaintdevice.h"
#include "qbuffer.h"
#endif // QT_H

#ifndef QT_NO_PICTURE

class Q_EXPORT QPicture : public QPaintDevice		// picture class
{
public:
    QPicture( int formatVersion = -1 );
    QPicture( const QPicture & );
   ~QPicture();

    bool	isNull() const;

    uint	size() const;
    const char* data() const;
    virtual void setData( const char* data, uint size );

    bool	play( QPainter * );

    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&);

    friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QPicture & );
    friend Q_EXPORT QDataStream &operator>>( QDataStream &, QPicture & );

protected:
    bool	cmd( int, QPainter *, QPDevCmdParam * );
    int		metric( int ) const;
    void	detach();
    QPicture	copy() const;

private:
    bool	exec( QPainter *, QDataStream &, int );

    struct QPicturePrivate : public QShared {
	bool	cmd( int, QPainter *, QPDevCmdParam * );
	bool	checkFormat();
	void	resetFormat();

	QBuffer	pictb;
	int	trecs;
	bool	formatOk;
	int	formatMajor;
	int	formatMinor;
	QRect	brect;
    } *d;
};


inline bool QPicture::isNull() const
{
    return d->pictb.buffer().isNull();
}

inline uint QPicture::size() const
{
    return d->pictb.buffer().size();
}

inline const char* QPicture::data() const
{
    return d->pictb.buffer().data();
}

/*****************************************************************************
  QPicture stream functions
 *****************************************************************************/

Q_EXPORT QDataStream &operator<<( QDataStream &, const QPicture & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QPicture & );

#endif // QT_NO_PICTURE

#endif // QPICTURE_H