qasyncimageio-h.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/include/qasyncimageio.h:1 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>qasyncimageio.h Include File</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><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><p>This is the verbatim text of the qasyncimageio.h include file. It is provided only for illustration; the copyright remains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/qasyncimageio.h 3.0.5 edited Oct 12 2001 $**** Definition of asynchronous image/movie loading classes**** Created : 970617**** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.**** This file is part of the kernel module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition** licenses may use this file in accordance with the Qt Commercial License** Agreement provided with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QASYNCIMAGEIO_H#define QASYNCIMAGEIO_H#ifndef QT_H#include "qimage.h"#endif // QT_H#ifndef QT_NO_ASYNC_IMAGE_IOclass Q_EXPORT QImageConsumer {public: virtual void end()=0; // Change transfer type 1. virtual void changed( const QRect& ) = 0; virtual void frameDone() = 0; // Change transfer type 2. virtual void frameDone( const QPoint&, const QRect& ) = 0; virtual void setLooping( int ) = 0; virtual void setFramePeriod( int ) = 0; virtual void setSize( int, int ) = 0;};class Q_EXPORT QImageFormat {public: virtual ~QImageFormat(); virtual int decode( QImage& img, QImageConsumer* consumer, const uchar* buffer, int length ) = 0;};class Q_EXPORT QImageFormatType {public: virtual ~QImageFormatType(); virtual QImageFormat* decoderFor( const uchar* buffer, int length ) = 0; virtual const char* formatName() const = 0;protected: QImageFormatType();};class QImageDecoderPrivate;class Q_EXPORT QImageDecoder {public: QImageDecoder( QImageConsumer* c ); ~QImageDecoder(); const QImage& image() { return img; } int decode( const uchar* buffer, int length ); static const char* formatName( const uchar* buffer, int length ); static QImageFormatType* format( const char* name ); // direct use - no decode() static QStrList inputFormats(); static void registerDecoderFactory( QImageFormatType* ); static void unregisterDecoderFactory( QImageFormatType* );private: QImageFormat* actual_decoder; QImageConsumer* consumer; QImage img; QImageDecoderPrivate *d;};#endif // QT_NO_ASYNC_IMAGE_IO#endif // QASYNCIMAGEIO_H</pre><!-- eof --><p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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