function imagecache_gd_imagefilter in ImageCache Actions 6

Same name and namespace in other branches

1. 5.3 imagecache_coloractions.module \imagecache_gd_imagefilter()
2. 5.2 imagecache_coloractions.module \imagecache_gd_imagefilter()

Attempt to run imagefilter, which may or may not be included with your gdtoolkit. If it isn't, a local script is used to emulate the simpler of its functions.

1 call to imagecache_gd_imagefilter()

imagecache_imagefilter in ./imagecache_coloractions.module

Stub for the image toolkit.

File

./imagecache_coloractions.module, line 228

Additional actions for imagecache processing.

Code

function imagecache_gd_imagefilter($image, $filter, $arg1, $arg2, $arg3) {

  // some distros that allegedly include PHP5 GD2 are faulty.
  // thankyou http://www.weberdev.com/get_example-4601.html
  if (!function_exists('imagefilter')) {
    include_once 'imagefilter.inc';
  }
  $info = $image->info;
  if (!$info) {
    return FALSE;
  }

  #dpm("run imagefilter imagefilter($image->resource, $filter, $arg1, $arg2, $arg3)");
  imagesavealpha($image->resource, TRUE);

  # This is a bit silly really, php internals complain if it's given TOO MANY args!

  # Should refactor this and not be so lazy.
  if (!is_null($arg2) && !is_null($arg3)) {
    return imagefilter($image->resource, $filter, $arg1, $arg2, $arg3);
  }
  else {
    if (!is_null($arg2) && is_null($arg3)) {
      return imagefilter($image->resource, $filter, $arg1, $arg2);
    }
    else {
      if (is_null($arg2) && is_null($arg3)) {
        return imagefilter($image->resource, $filter, $arg1);
      }
    }
  }
}