Dynamic image generation

[eluser]Mat-Moo[/eluser]

Code:

set_message("ok","Creating preview, please wait...");
$.ajax({
    'type' : 'post',
    'dataType' : 'text',
    'data' : {
        'font' : $('#font').val(),
        'topline' : $('#topline').attr('value'),
        'topcolour' : $('#topcolour').attr('value'),
    },
    'url' : '<?=site_url("/photos/jquery_make_preview")?>',
    'success' : function(afile) {
        $('#dynamic_image').html("<img src='"+afile+"' />");
        clear_message();
    }

Ended up using this, pretty much the same thing, afile is returned with a ?uniquenumber to stop cacheing issues. Thanks for your pointers, mose helpful, just a shame I couldn't do this without saving to disk.