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diff --git a/doc/html/qimageformattype.html b/doc/html/qimageformattype.html new file mode 100644 index 0000000..44b3156 --- /dev/null +++ b/doc/html/qimageformattype.html @@ -0,0 +1,108 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/kernel/qasyncimageio.cpp:582 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>QImageFormatType Class</title> +<style type="text/css"><!-- +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>QImageFormatType Class Reference</h1> + +<p>The QImageFormatType class is a factory that makes QImageFormat objects. +<a href="#details">More...</a> +<p><tt>#include <<a href="qasyncimageio-h.html">qasyncimageio.h</a>></tt> +<p><a href="qimageformattype-members.html">List of all member functions.</a> +<h2>Public Members</h2> +<ul> +<li class=fn>virtual <a href="#~QImageFormatType"><b>~QImageFormatType</b></a> ()</li> +<li class=fn>virtual QImageFormat * <a href="#decoderFor"><b>decoderFor</b></a> ( const uchar * buffer, int length ) = 0</li> +<li class=fn>virtual const char * <a href="#formatName"><b>formatName</b></a> () const = 0</li> +</ul> +<h2>Protected Members</h2> +<ul> +<li class=fn><a href="#QImageFormatType"><b>QImageFormatType</b></a> ()</li> +</ul> +<hr><a name="details"></a><h2>Detailed Description</h2> + + +The QImageFormatType class is a factory that makes <a href="qimageformat.html">QImageFormat</a> objects. +<p> + + +<p> Whereas the <a href="qimageio.html">QImageIO</a> class allows for <em>complete</em> loading of +images, QImageFormatType allows for <em>incremental</em> loading of +images. +<p> New image file formats are installed by creating objects of +derived classes of QImageFormatType. They must implement +<a href="#decoderFor">decoderFor</a>() and <a href="#formatName">formatName</a>(). +<p> QImageFormatType is a very simple class. Its only task is to +recognize image data in some format and make a new object, +subclassed from QImageFormat, which can decode that format. +<p> The factories for formats built into Qt are automatically defined +before any other factory is initialized. If two factories would +recognize an image format, the factory created last will override +the earlier one; you can thus override current and future built-in +formats. +<p>See also <a href="graphics.html">Graphics Classes</a>, <a href="images.html">Image Processing Classes</a>, and <a href="multimedia.html">Multimedia Classes</a>. + +<hr><h2>Member Function Documentation</h2> +<h3 class=fn><a name="QImageFormatType"></a>QImageFormatType::QImageFormatType ()<tt> [protected]</tt> +</h3> +Constructs a factory. It automatically registers itself with +<a href="qimagedecoder.html">QImageDecoder</a>. + +<h3 class=fn><a name="~QImageFormatType"></a>QImageFormatType::~QImageFormatType ()<tt> [virtual]</tt> +</h3> +Destroys a factory. It automatically unregisters itself from +<a href="qimagedecoder.html">QImageDecoder</a>. + +<h3 class=fn><a href="qimageformat.html">QImageFormat</a> * <a name="decoderFor"></a>QImageFormatType::decoderFor ( const uchar * buffer, int length )<tt> [pure virtual]</tt> +</h3> + +<p> Returns a decoder for decoding an image that starts with the bytes +in <em>buffer</em>. The length of the data is given in <em>length</em>. This +function should only return a decoder if it is certain that the +decoder applies to data with the given header. Returns 0 if there +is insufficient data in the header to make a positive +identification or if the data is not recognized. + +<h3 class=fn>const char * <a name="formatName"></a>QImageFormatType::formatName () const<tt> [pure virtual]</tt> +</h3> + +<p> Returns the name of the format supported by decoders from this +factory. The string is statically allocated. + +<!-- eof --> +<hr><p> +This file is part of the <a href="index.html">Qt toolkit</a>. +Copyright © 1995-2007 +<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |