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<HTML>
<HEAD>
<TITLE>error - ImageMagick Error Methods</TITLE>
<LINK REV="made" HREF="mailto:magick@wizards.dupont.com">
</HEAD>
<body background="../../images/background.gif">
<!-- INDEX BEGIN -->
<UL>
<LI><A HREF="#NAME">NAME</A>
<LI><A HREF="#SYNOPSIS">SYNOPSIS</A>
<LI><A HREF="#FUNCTION_DESCRIPTIONS">FUNCTION DESCRIPTIONS</A>
<UL>
<LI><A HREF="#MagickError">MagickError</A>
<LI><A HREF="#MagickWarning">MagickWarning</A>
<LI><A HREF="#SetErrorHandler">SetErrorHandler</A>
<LI><A HREF="#SetWarningHandler">SetWarningHandler</A>
</UL>
</UL>
<!-- INDEX END -->
<HR>
<P>
<H1><A NAME="NAME">NAME</A></H1>
<P>
error - ImageMagick Error Methods
<P>
<HR>
<H1><A NAME="SYNOPSIS">SYNOPSIS</A></H1>
<P>
<PRE> B<MagickError>(error,message,qualifier)
</PRE>
<P>
ErrorHandler <STRONG>SetErrorHandler</STRONG>(ErrorHandlerhandler)
<P>
ErrorHandler <STRONG>SetWarningHandler</STRONG>(ErrorHandlerhandler)
<P>
<HR>
<H1><A NAME="FUNCTION_DESCRIPTIONS">FUNCTION DESCRIPTIONS</A></H1>
<P>
<FONT SIZE=-1>A</FONT> description of each parameter follows:
<DL><DL>
<DT><STRONG><A NAME="item_o">warning:</A></STRONG><DD>
<P>
Specifies the numeric warning category.
<DT><STRONG>message:</STRONG><DD>
<P>
Specifies the message to display before terminating the program.
<DT><STRONG>qualifier:</STRONG><DD>
<P>
Specifies any qualifier to the message.
</DL></DL>
<P>
<HR>
<H2><A NAME="MagickError">MagickError</A></H2>
<P>
Method MagickError calls the error handler methods with an error message.
<P>
The format of the MagickError method is:
<blockquote>MagickError (error, message,qualifier) </blockquote>
<P>
<FONT SIZE=-1>A</FONT> description of each parameter follows:
<DL><DL>
<DT><STRONG>error:</STRONG><DD>
<P>
Specifies the numeric error category.
<DT><STRONG>message:</STRONG><DD>
<P>
Specifies the message to display before terminating the program.
<DT><STRONG>qualifier:</STRONG><DD>
<P>
Specifies any qualifier to the message.
</DL></DL>
<P>
<HR>
<H2><A NAME="MagickWarning">MagickWarning</A></H2>
<P>
Method MagickWarning calls the warning handler methods with a warning
message.
<P>
The format of the MagickWarning method is:
<P>
<PRE> void MagickWarning(const unsigned int warning,const char *message,
const char *qualifier)
</PRE>
<P>
<FONT SIZE=-1>A</FONT> description of each parameter follows:
<DL><DL>
<DT><STRONG>warning:</STRONG><DD>
<P>
Specifies the numeric warning category.
<DT><STRONG>message:</STRONG><DD>
<P>
Specifies the message to display before terminating the program.
<DT><STRONG>qualifier:</STRONG><DD>
<P>
Specifies any qualifier to the message.
</DL></DL>
<P>
<HR>
<H2><A NAME="SetErrorHandler">SetErrorHandler</A></H2>
<P>
Method SetErrorHandler sets the error handler to the specified method and
returns the previous error handler.
<P>
The format of the SetErrorHandler method is:
<blockquote>ErrorHandler SetErrorHandler (ErrorHandler handler) </blockquote>
<P>
<FONT SIZE=-1>A</FONT> description of each parameter follows:
<DL><DL>
<DT><STRONG>handler:</STRONG><DD>
<P>
Specifies a pointer to a method to handle errors.
</DL></DL>
<P>
<HR>
<H2><A NAME="SetWarningHandler">SetWarningHandler</A></H2>
<P>
Method SetWarningHandler sets the warning handler to the specified method
and returns the previous warning handler.
<P>
The format of the SetWarningHandler method is:
<blockquote>ErrorHandler SetWarningHandler (ErrorHandler handler) </blockquote>
<P>
<FONT SIZE=-1>A</FONT> description of each parameter follows:
<DL><DL>
<DT><STRONG>handler:</STRONG><DD>
<P>
Specifies a pointer to a method to handle warnings.
</DL></DL>
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</HTML>
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