function simple_image_rotate_rotate_image in Simple Image Rotate 7

Same name and namespace in other branches

1. 8 simple_image_rotate.module \simple_image_rotate_rotate_image()
2. 7.2 simple_image_rotate.module \simple_image_rotate_rotate_image()
3. 2.1.x simple_image_rotate.module \simple_image_rotate_rotate_image()
4. 1.0.x simple_image_rotate.module \simple_image_rotate_rotate_image()
5. 2.0.x simple_image_rotate.module \simple_image_rotate_rotate_image()

Rotates image.

2 calls to simple_image_rotate_rotate_image()

simple_image_rotate_entity_presave in ./simple_image_rotate.module

Implements hook_entity_presave().

simple_image_rotate_profile2_presave in ./simple_image_rotate.module

Implements hook_profile2_presave().

File

./simple_image_rotate.module, line 104

Allows users to rotate images on node forms.

Code

function simple_image_rotate_rotate_image($entity, $type) {

  // Load all image fields.
  $image_fields = array_keys(field_read_fields(array(
    'type' => 'image',
  )));

  // Loop through all image fields.
  foreach ($image_fields as $field) {

    // Image field exists in the entity.
    if (isset($entity->{$field})) {

      // Loop through all images of this field.
      foreach ($entity->{$field}[LANGUAGE_NONE] as $delta => $value) {

        // If rotate angle is indicated.
        if (isset($value['rotate']) && $value['rotate']) {

          // Load image file.
          $file = file_load($value['fid']);

          // Get new filename for rotated image.
          $new_uri = $file->uri;
          $file_counter = 1;
          if (preg_match('#_r([\\d]+)\\.([^.]+)$#i', $new_uri, $matches)) {
            $file_counter = $matches[1] + 1;
            $new_uri = str_replace($matches[0], '_r' . $file_counter . '.jpg', $new_uri);
          }

          // Increment filename counter if filename is occupied.
          while (file_exists($new_uri)) {
            $pos = strrpos($new_uri, '.');
            $new_uri = substr_replace($new_uri, '_r' . $file_counter, $pos, 0);
          }

          // Move image file to a new location.
          if (file_move($file, $new_uri, 'FILE_EXIST_ERROR')) {

            // Update file object after moving file.
            $file = file_load($value['fid']);

            // Rotate image and save image object.
            $image = image_load($file->uri);
            image_rotate($image, $value['rotate']);
            if (image_save($image)) {

              // Reload image to get new width, height and filesize.
              $image = image_load($file->uri);

              // Update image width and height in entity.
              $entity->{$field}[LANGUAGE_NONE][$delta]['width'] = $image->info['width'];
              $entity->{$field}[LANGUAGE_NONE][$delta]['height'] = $image->info['height'];

              // Update file.
              $file->filesize = $image->info['file_size'];
              file_save($file);
            }
          }
        }
      }
    }
  }
}