function imce_resize_image in IMCE 7

Same name and namespace in other branches

1. 5 imce.module \imce_resize_image()
2. 6.2 inc/imce.page.inc \imce_resize_image()
3. 6 inc/page.inc \imce_resize_image()

Resize an image in the file list. Also used for thumbnail creation.

1 call to imce_resize_image()

imce_create_thumbnail in inc/imce.page.inc

Create a thumbnail.

1 string reference to 'imce_resize_image'

imce_resize_submit in inc/imce.page.inc

Submit resize form.

File

inc/imce.page.inc, line 533

Implements the file browser.

Code

function imce_resize_image($filename, &$imce, $width, $height, $copy = TRUE, $destname = FALSE, $op = 'resize') {
  $destdir = imce_dir_uri($imce);
  $imguri = $destdir . $filename;

  // Check if the file is an image.
  if (!$imce['files'][$filename]['width'] || !($img = image_get_info($imguri))) {
    drupal_set_message(t('%filename is not an image.', array(
      '%filename' => utf8_encode($filename),
    )), 'error', FALSE);
    return FALSE;
  }
  if (substr($op, 0, 5) == 'scale' && !($width < $img['width'] || $height < $img['height'])) {
    drupal_set_message(t('Scaling up is not allowed.'), 'error', FALSE);
    return FALSE;
  }

  // Create file object.
  $file = new stdClass();
  $file->uri = $destdir . $destname;
  if (!$destname || $destname == $filename) {
    $file->uri = $copy ? file_create_filename($filename, $destdir) : $imguri;
  }
  $file->filename = drupal_basename($file->uri);

  // Check if a file having the same properties exists already.
  if (isset($imce['files'][$file->filename])) {
    if (($f = $imce['files'][$file->filename]) && $f['width'] == $width && $f['height'] == $height) {
      drupal_set_message(t('%filename(%dimensions) already exists.', array(
        '%filename' => utf8_encode($file->filename),
        '%dimensions' => $width . 'x' . $height,
      )), 'error');
      return FALSE;
    }
  }

  // Validate file name.
  $errors = file_validate_name_length($file);
  if (!empty($errors)) {
    drupal_set_message($errors[0], 'error');
    return FALSE;
  }

  // Resize image.
  $image = image_load($imguri);
  $function = 'image_' . $op;
  if (!$image || !function_exists($function) || !$function($image, $width, $height)) {
    drupal_set_message(t('%filename cannot be resized to %dimensions', array(
      '%filename' => utf8_encode($filename),
      '%dimensions' => $width . 'x' . $height,
    )), 'error', FALSE);
    return FALSE;
  }

  // Copy to a temp file.
  if (!($tempuri = drupal_tempnam('temporary://', 'imce'))) {
    return FALSE;
  }
  register_shutdown_function('file_unmanaged_delete', $tempuri);
  if (!image_save($image, $tempuri) || !$image->info) {
    return FALSE;
  }

  // Validate quota.
  $file->filesize = $image->info['file_size'];
  $quotadiff = $file->filename == $filename ? -$imce['files'][$filename]['size'] : 0;
  if (!imce_validate_quotas($file, $imce, $quotadiff)) {
    return FALSE;
  }

  // Build the rest of the file object.
  $file->uid = $imce['uid'];
  $file->filemime = $img['mime'];
  $file->status = FILE_STATUS_PERMANENT;
  $file->timestamp = REQUEST_TIME;

  // Copy from temp to file uri.
  $destination = $file->uri;
  $file->uri = $tempuri;
  if (!($file = file_copy($file, $destination, FILE_EXISTS_REPLACE))) {
    return FALSE;
  }
  imce_file_register($file);

  // Update file list.
  // If the file was scaled get the new dimensions.
  if ($op == 'scale') {
    $img = imce_image_info($file->uri);
    $width = $img['width'];
    $height = $img['height'];
  }
  $file->width = $width;
  $file->height = $height;
  imce_add_file($file, $imce);
  return $file;
}