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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