function imagecrop_scale_settings_form in Image javascript crop 7

Show the scale form for the current imagecrop.

1 string reference to 'imagecrop_scale_settings_form'

imagecrop_cropping_page in includes/imagecrop.admin.inc

Show the cropping page for the selected image style.

File

includes/imagecrop.admin.inc, line 406

Administration tools for the imagecrop module.

Code

function imagecrop_scale_settings_form($form, $form_state, $imagecrop) {
  $step = variable_get('imagecrop_scale_step', 50);
  $image_width = $scale_width = $imagecrop
    ->getOriginalImageWidth();
  $image_height = $imagecrop
    ->getOriginalImageHeight();
  $aspect = $image_width / $image_height;
  $crop_width = $imagecrop
    ->getWidth();
  $crop_height = $imagecrop
    ->getHeight();
  $form = array();
  $options = array();
  if ($step > 0) {
    $options[$image_width . 'x' . $image_height] = $image_width . ' x ' . $image_height . 'px (Original)';
    $scale_width -= $step;
    while ($scale_width > $crop_width && $scale_width / $aspect > $crop_height) {
      $scaled_height = intval($scale_width / $aspect);
      $options[$scale_width . 'x' . $scaled_height] = $scale_width . ' x ' . $scaled_height . 'px (' . round($scale_width / $image_width * 100, 2) . '%)';
      $scale_width -= $step;
    }
  }

  // Set the smallest scaling option to match the width of the crop (if it fits).
  $cropped_height = intval($crop_width / $aspect);
  $crop_width_with_border = $crop_width + 2;
  if ($crop_width != $scale_width + $step && $cropped_height >= $crop_height) {
    $options[$crop_width_with_border . 'x' . $cropped_height] = $crop_width_with_border . ' x ' . $cropped_height . 'px (' . round($scale_width / $image_width * 100, 2) . '%)';
  }

  // only show when there are multiple scaling options available
  if (count($options) > 1) {
    $current_width = $imagecrop
      ->getScale();
    $form['scaling'] = array(
      '#type' => 'select',
      '#options' => $options,
      '#default_value' => $current_width . 'x' . floor($current_width / $aspect),
      '#title' => t('Scale image'),
    );
  }
  return $form;
}