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157 lines
5.2 KiB
157 lines
5.2 KiB
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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>qasyncimageio.h</h1>
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<p>This is the verbatim text of the qasyncimageio.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<hr>
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<pre>
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/****************************************************************************
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** $Id: qt/qasyncimageio.h 3.3.8 edited Jan 11 14:38 $
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**
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** Definition of asynchronous image/movie loading classes
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**
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** Created : 970617
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Alternatively you may (at your option) use any
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** later version of the GNU General Public License if such license has
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** been publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQASYNCIMAGEIO_H
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#define TQASYNCIMAGEIO_H
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#ifndef QT_H
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#include "qimage.h"
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#endif // QT_H
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#ifndef QT_NO_ASYNC_IMAGE_IO
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#if __GNUC__ - 0 > 3
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#pragma GCC system_header
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#endif
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class Q_EXPORT TQImageConsumer {
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public:
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virtual void end()=0;
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// Change transfer type 1.
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virtual void changed( const TQRect& ) = 0;
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virtual void frameDone() = 0;
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// Change transfer type 2.
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virtual void frameDone( const TQPoint&, const TQRect& ) = 0;
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virtual void setLooping( int ) = 0;
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virtual void setFramePeriod( int ) = 0;
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virtual void setSize( int, int ) = 0;
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};
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class Q_EXPORT TQImageFormat {
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public:
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virtual ~TQImageFormat();
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virtual int decode( TQImage& img, TQImageConsumer* consumer,
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const uchar* buffer, int length ) = 0;
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};
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class Q_EXPORT TQImageFormatType {
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public:
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virtual ~TQImageFormatType();
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virtual TQImageFormat* decoderFor( const uchar* buffer, int length ) = 0;
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virtual const char* formatName() const = 0;
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protected:
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TQImageFormatType();
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};
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class TQImageDecoderPrivate;
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class Q_EXPORT TQImageDecoder {
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public:
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TQImageDecoder( TQImageConsumer* c );
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~TQImageDecoder();
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const TQImage& image() { return img; }
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int decode( const uchar* buffer, int length );
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static const char* formatName( const uchar* buffer, int length );
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static TQImageFormatType* format( const char* name ); // direct use - no decode()
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static TQStrList inputFormats();
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static void registerDecoderFactory( TQImageFormatType* );
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static void unregisterDecoderFactory( TQImageFormatType* );
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private:
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TQImageFormat* actual_decoder;
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TQImageConsumer* consumer;
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TQImage img;
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TQImageDecoderPrivate *d;
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};
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#endif // QT_NO_ASYNC_IMAGE_IO
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#endif // TQASYNCIMAGEIO_H
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</pre>
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<!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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