function _focal_point_get_image_styles in Focal Point 7

Get a list of all image styles that use a focal point effect.

Return value

array A subset of the array returned by image_styles().

See also

image_styles()

1 call to _focal_point_get_image_styles()

_focal_point_preview in ./focal_point.module

Allows previewing of derivitive images based on the given focal point.

File

./focal_point.module, line 698

Code

function _focal_point_get_image_styles() {

  // Load all image styles defined on this site and filter out those that do
  // not use a focal point effect.
  module_load_include('inc', 'focal_point', 'focal_point.effects');
  $focal_point_effects = array_keys(focal_point_image_effect_info());
  $focal_point_styles = array();
  $styles = image_styles();
  foreach ($styles as $isid => $style) {
    foreach ($style['effects'] as $effect) {
      $focal_point_style = in_array($effect['name'], $focal_point_effects, TRUE);
      if ($focal_point_style) {

        // We found at least one effect within this style that uses Focal Point.
        $focal_point_styles[$isid] = $style;
        break;
      }
    }
  }
  return $focal_point_styles;
}