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Writing IM code ( Anthony 15/6/2008 )

Below are some different ways you can write the IM code. I always used to use the exec( ); with everything on the same line and still do for short code. But with complicated code it makes it easyer to read if you use the $cmd version.

IM code:

<?php
$color = 'red';
$image = 'rose:';
$size = '70x46';
$string = 'A Rose by any Name';
 
// Example 1 - Using concatenate
exec("convert -background none -fill $color -gravity center " .
            " -font Candice -size $size caption:\"$string\" " .
            " \( $image -negate -flip \) +swap -composite " .
            " output.gif" );
 
// Example 2 - Using the imagemagick line continuation of \	
// You need to escape the \ with another \ so it becomes \\	
exec("convert -background none -fill $color -gravity center \\
	-font Candice -size $size caption:\"$string\" \\
	\( $image -negate -flip \) +swap -composite \\
	output.gif" );
 
// Example 3 - Writing the comand into a variable		
$cmd = "-background none -fill $color -gravity center " .
            " -font Candice -size $size caption:\"$string\" " .
            " \( $image -negate -flip \) +swap -composite ";			
exec("convert $cmd output.gif" );
 
// Example 4 - One long line		
exec("convert -background none -fill $color -gravity center -font Candice -size $size caption:\"$string\" \( $image -negate -flip \) +swap -composite output.gif" );
?>