function imagecache_rgb_validate in ImageCache Actions 7

Same name and namespace in other branches

1. 8 utility-color.inc \imagecache_rgb_validate()

Element validate handler to ensure a hexadecimal color value.

The core image_effect_color_validate() was not intelligent enough. Actually parse the value in order to see if it is parsable.

Parameters

array $element: param array $form_state Not used

1 string reference to 'imagecache_rgb_validate'

imagecache_rgb_form in ./utility-color.inc

Prepares a subform for displaying RGB fields.

File

./utility-color.inc, line 88

Utility functions for color widgets.

Code

function imagecache_rgb_validate($element) {
  if ($element['#value'] != '') {
    $rgba_value = imagecache_actions_hex2rgba($element['#value']);
    if (!$rgba_value) {

      // Returning NULL means a parse error.
      form_error($element, t('!name must be a hexadecimal color value.', array(
        '!name' => $element['#title'],
      )));
    }
  }
}