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-/****************************************************************************
-**
-** Definition of asynchronous image/movie loading classes
-**
-** Created : 970617
-**
-** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
-**
-** 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 TQASYNCIMAGEIO_H
-#define TQASYNCIMAGEIO_H
-
-#ifndef TQT_H
-#include "tqimage.h"
-#endif // TQT_H
-
-#ifndef TQT_NO_ASYNC_IMAGE_IO
-
-#if __GNUC__ - 0 > 3
-#pragma GCC system_header
-#endif
-
-class TQ_EXPORT TQImageConsumer {
-public:
- virtual void end()=0;
-
- // Change transfer type 1.
- virtual void changed( const TQRect& ) = 0;
- virtual void frameDone() = 0;
-
- // Change transfer type 2.
- virtual void frameDone( const TQPoint&, const TQRect& ) = 0;
-
- virtual void setLooping( int ) = 0;
- virtual void setFramePeriod( int ) = 0;
- virtual void setSize( int, int ) = 0;
-};
-
-class TQ_EXPORT TQImageFormat {
-public:
- virtual ~TQImageFormat();
- virtual int decode( TQImage& img, TQImageConsumer* consumer,
- const uchar* buffer, int length ) = 0;
-};
-
-class TQ_EXPORT TQImageFormatType {
-public:
- virtual ~TQImageFormatType();
- virtual TQImageFormat* decoderFor( const uchar* buffer, int length ) = 0;
- virtual const char* formatName() const = 0;
-protected:
- TQImageFormatType();
-};
-
-class TQImageDecoderPrivate;
-class TQ_EXPORT TQImageDecoder {
-public:
- TQImageDecoder( TQImageConsumer* c );
- ~TQImageDecoder();
-
- const TQImage& image() { return img; }
- int decode( const uchar* buffer, int length );
-
- static const char* formatName( const uchar* buffer, int length );
- static TQImageFormatType* format( const char* name ); // direct use - no decode()
-
- static TQStrList inputFormats();
- static void registerDecoderFactory( TQImageFormatType* );
- static void unregisterDecoderFactory( TQImageFormatType* );
-
-private:
- TQImageFormat* actual_decoder;
- TQImageConsumer* consumer;
- TQImage img;
- TQImageDecoderPrivate *d;
-};
-
-#endif // TQT_NO_ASYNC_IMAGE_IO
-
-#endif // TQASYNCIMAGEIO_H