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Viewing changes to www/Magick++/CoderInfo.html

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Kobras
  • Date: 2006-05-06 16:28:08 UTC
  • Revision ID: james.westby@ubuntu.com-20060506162808-vt2ni3r5nytcszms
Tags: upstream-1.1.7
Import upstream version 1.1.7

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www/Magick++/CoderInfo.html
 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
 
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<HTML>
 
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<HEAD>
 
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        <META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=ibm437">
 
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        <TITLE>Magick::CoderInfo Class</TITLE>
 
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        <META NAME="GENERATOR" CONTENT="OpenOffice.org 1.0  (Win32)">
 
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        <META NAME="AUTHOR" CONTENT="Bob Friesenhahn">
 
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        <META NAME="CREATED" CONTENT="20020805;13531808">
 
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        <META NAME="CHANGEDBY" CONTENT="Bob Friesenhahn">
 
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        <META NAME="CHANGED" CONTENT="20020805;13535284">
 
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        <META NAME="DESCRIPTION" CONTENT="Class to access raw image pixels.">
 
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        <META NAME="KEYWORDS" CONTENT="GraphicsMagick,Pixel,Magick++">
 
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        <STYLE>
 
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        <!--
 
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                TD P { color: #000000 }
 
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                P { color: #000000 }
 
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                H3 { color: #000000 }
 
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                A:link { color: #0000ff }
 
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                A:visited { color: #ff0000 }
 
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        -->
 
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        </STYLE>
 
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</HEAD>
 
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<BODY LANG="en-US" TEXT="#000000" LINK="#0000ff" VLINK="#ff0000" BGCOLOR="#ffffff">
 
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<H3 ALIGN=CENTER>Magick::CoderInfo</H3>
 
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<P>The <I>CoderInfo</I> class provides the means to provide
 
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information regarding GraphicsMagick support for an image format
 
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(designated by a magick string). It may be used to provide support
 
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for a specific named format (provided as an argument to the
 
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constructor), or as an element of a container when format support is
 
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queried using the <A HREF="STL.html#coderInfoList">coderInfoList()</A>
 
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templated function. 
 
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</P>
 
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<P>The following code fragment illustrates how CoderInfo may be used.
 
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</P>
 
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<P><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp; CoderInfo
 
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info(&quot;GIF&quot;);</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; info-&gt;name() &lt;&lt; &quot;: (&quot; &lt;&lt;
 
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info-&gt;description() &lt;&lt; &quot;) : &quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;Readable = &quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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if ( info-&gt;isReadable() )</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;true&quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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else</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;false&quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;, &quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;Writable = &quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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if ( info-&gt;isWritable() )</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;true&quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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else</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;false&quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;, &quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;Multiframe = &quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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if ( info-&gt;isMultiframe() )</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;true&quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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else</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; &quot;false&quot;;</FONT></TT> <BR><TT><FONT COLOR="#000066">&nbsp;&nbsp;&nbsp;
 
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cout &lt;&lt; endl;</FONT></TT> 
 
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</P>
 
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<P STYLE="margin-bottom: 0cm">The methods available in the <I>CoderInfo</I>
 
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class are shown in the following table: <BR><BR>
 
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</P>
 
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<P ALIGN=CENTER STYLE="margin-bottom: 0cm"><B>CoderInfo Methods</B></P>
 
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<TABLE WIDTH=100% BORDER=1 CELLPADDING=2 CELLSPACING=2>
 
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        <TR>
 
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                <TD>
 
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                        <P ALIGN=CENTER><B>Method</B></P>
 
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                </TD>
 
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                <TD>
 
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                        <P ALIGN=CENTER><B>Returns</B></P>
 
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                </TD>
 
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                <TD>
 
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                        <P ALIGN=CENTER><B>Signature</B></P>
 
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                </TD>
 
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                <TD>
 
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                        <P ALIGN=CENTER><B>Description</B></P>
 
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                </TD>
 
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        </TR>
 
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        <TR>
 
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                <TD>
 
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                        <P ALIGN=CENTER><A NAME="CoderInfo"></A><FONT SIZE=2>CoderInfo</FONT></P>
 
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                </TD>
 
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                <TD BGCOLOR="#999999">
 
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                        <P><FONT SIZE=2>&nbsp;</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>void</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>Construct object corresponding to named format
 
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                        (e.g. &quot;GIF&quot;). An exception is thrown if the format is
 
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                        not supported.</FONT></P>
 
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                </TD>
 
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        </TR>
 
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        <TR>
 
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                <TD>
 
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                        <P ALIGN=CENTER><A NAME="name"></A><FONT SIZE=2>name</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>std::string</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>void</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>Format name (e.g. &quot;GIF&quot;).</FONT></P>
 
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                </TD>
 
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        </TR>
 
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        <TR>
 
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                <TD>
 
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                        <P ALIGN=CENTER><A NAME="description"></A><FONT SIZE=2>description</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>std::string</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>void</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>Format description (e.g. &quot;CompuServe graphics
 
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                        interchange format&quot;).</FONT></P>
 
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                </TD>
 
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        </TR>
 
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        <TR>
 
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                <TD>
 
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                        <P ALIGN=CENTER><A NAME="isReadable"></A><FONT SIZE=2>isReadable</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>bool</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>void</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>Format is readable.</FONT></P>
 
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                </TD>
 
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        </TR>
 
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        <TR>
 
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                <TD>
 
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                        <P ALIGN=CENTER><A NAME="isWritable"></A><FONT SIZE=2>isWritable</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>bool</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>void</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>Format is writeable.</FONT></P>
 
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                </TD>
 
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        </TR>
 
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        <TR>
 
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                <TD>
 
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                        <P ALIGN=CENTER><A NAME="isMultiFrame"></A><FONT SIZE=2>isMultiFrame</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>bool</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>void</FONT></P>
 
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                </TD>
 
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                <TD>
 
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                        <P><FONT SIZE=2>Format supports multiple frames.</FONT></P>
 
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                </TD>
 
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        </TR>
 
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</TABLE>
 
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<P><BR><BR>
 
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</P>
 
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</BODY>
 
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</HTML>
 
 
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