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-/****************************************************************************
-**
-** Definition of PNG TQImage IOHandler
-**
-** Created : 970521
-**
-** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
-**
-** This file is part of the kernel module of the TQt 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 files LICENSE.GPL2
-** and LICENSE.GPL3 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 TQt 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.TQPL
-** included in the packaging of this file. Licensees holding valid TQt
-** Commercial licenses may use this file in accordance with the TQt
-** 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 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