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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qpngio.h</h1>
<p>This is the verbatim text of the qpngio.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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/****************************************************************************
** $Id: qt/qpngio.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of PNG TQImage IOHandler
**
** Created : 970521
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
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** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
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** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
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** Public Licensing retquirements will be met:
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#ifndef TQPNGIO_H
#define TQPNGIO_H
#ifndef QT_H
#include "qimage.h"
#endif // QT_H
#ifndef QT_NO_IMAGEIO_PNG
void qInitPngIO();
class TQIODevice;
#ifndef Q_PNGEXPORT
#if !defined(QT_PLUGIN)
#define Q_PNGEXPORT Q_EXPORT
#else
#define Q_PNGEXPORT
#endif
#endif
class Q_PNGEXPORT TQPNGImageWriter {
public:
TQPNGImageWriter(TQIODevice*);
~TQPNGImageWriter();
enum DisposalMethod { Unspecified, NoDisposal, RestoreBackground, RestoreImage };
void setDisposalMethod(DisposalMethod);
void setLooping(int loops=0); // 0 == infinity
void setFrameDelay(int msecs);
void setGamma(float);
bool writeImage(const TQImage& img, int x, int y);
bool writeImage(const TQImage& img, int quality, int x, int y);
bool writeImage(const TQImage& img)
{ return writeImage(img, 0, 0); }
bool writeImage(const TQImage& img, int quality)
{ return writeImage(img, quality, 0, 0); }
TQIODevice* device() { return dev; }
private:
TQIODevice* dev;
int frames_written;
DisposalMethod disposal;
int looping;
int ms_delay;
float gamma;
};
class Q_PNGEXPORT TQPNGImagePacker : public TQPNGImageWriter {
public:
TQPNGImagePacker(TQIODevice*, int depth, int convflags);
void setPixelAlignment(int x);
bool packImage(const TQImage& img);
private:
TQImage previous;
int depth;
int convflags;
int alignx;
};
#endif // QT_NO_IMAGEIO_PNG
#endif // TQPNGIO_H
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