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<?
$handle = imagick_readimage( getcwd() . "/image.jpg" ) ;
if ( imagick_iserror( $handle ) )
{
$reason = imagick_failedreason( $handle ) ;
$description = imagick_faileddescription( $handle ) ;
print "handle failed!<BR>\nReason: $reason<BR>\nDescription: $description<BR>\n" ;
exit ;
}
imagick_negate( $handle, 0 ) ;
//
// or, imagick_negate( $handle, 1 ). 1 and 0 are the only valid
// values for the second parameter. 1 means that only the gray scale
// within the image should be negated.
//
if ( !imagick_writeimage( $handle, getcwd() . "/new_image.jpg" ) )
{
$reason = imagick_failedreason( $handle ) ;
$description = imagick_faileddescription( $handle ) ;
print "imagick_writeimage() failed<BR>\nReason: $reason<BR>\nDescription: $description<BR>\n" ;
exit ;
}
print "Done!<BR>\n" ;
?>
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