function image_gd_settings_validate

7.x image.gd.inc image_gd_settings_validate($form, &$form_state)
6.x image.gd.inc image_gd_settings_validate($form, &$form_state)

Validate the submitted GD settings.

Related topics

Image toolkits
Drupal's image toolkits provide an abstraction layer for common image file manipulations like scaling, cropping, and rotating. The abstraction frees module authors from the need to support multiple image libraries, and it allows site…
1 string reference to 'image_gd_settings_validate'
image_gd_settings in drupal-6.x/includes/image.gd.inc
Retrieve settings for the GD2 toolkit.

File

drupal-6.x/includes/image.gd.inc, line 52
GD2 toolkit for image manipulation within Drupal.

Code

function image_gd_settings_validate($form, &$form_state) {
  // Validate image quality range.
  $value = $form_state['values']['image_jpeg_quality'];
  if (!is_numeric($value) || $value < 0 || $value > 100) {
    form_set_error('image_jpeg_quality', t('JPEG quality must be a number between 0 and 100.'));
  }
}