qpicture.h Include File

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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   3.3.3   edited May 27 2003 $
    **
    ** Definition of QPicture class
    **
    ** Created : 940729
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the kernel module of the Qt GUI Toolkit.
    **
    ** This file may be distributed under the terms of the Q Public License
    ** as defined by Trolltech AS of Norway and appearing in the file
    ** LICENSE.QPL included in the packaging of this file.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** 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
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/qpl/ for QPL licensing information.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    **********************************************************************/

    #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