function theme_image_style in Drupal 7

Returns HTML for an image using a specific image style.

Parameters

$variables: An associative array containing:

• style_name: The name of the style to be used to alter the original image.
• path: The path of the image file relative to the Drupal files directory. This function does not work with images outside the files directory nor with remotely hosted images. This should be in a format such as 'images/image.jpg', or using a stream wrapper such as 'public://images/image.jpg'.
• width: The width of the source image (if known).
• height: The height of the source image (if known).
• alt: The alternative text for text-based browsers.
• title: The title text is displayed when the image is hovered in some popular browsers.
• attributes: Associative array of attributes to be placed in the img tag.

Related topics

1 call to theme_image_style()

ImageDimensionsTestCase::testImageDimensions in modules/image/image.test

Test styled image dimensions cumulatively.

3 theme calls to theme_image_style()

image_field_widget_process in modules/image/image.field.inc

An element #process callback for the image_image field type.

template_preprocess_user_picture in modules/user/user.module

Process variables for user-picture.tpl.php.

theme_image_formatter in modules/image/image.field.inc

Returns HTML for an image field formatter.

File

modules/image/image.module, line 1368

Exposes global functionality for creating image styles.

Code

function theme_image_style($variables) {

  // Determine the dimensions of the styled image.
  $dimensions = array(
    'width' => $variables['width'],
    'height' => $variables['height'],
  );
  image_style_transform_dimensions($variables['style_name'], $dimensions);
  $variables['width'] = $dimensions['width'];
  $variables['height'] = $dimensions['height'];

  // Determine the URL for the styled image.
  $variables['path'] = image_style_url($variables['style_name'], $variables['path']);
  return theme('image', $variables);
}