responsive_image_build_source_attributes(ImageInterface $image, array $variables, BreakpointInterface $breakpoint, array $multipliers)

responsive_image_library_info_alter(array &$libraries, $module) Implements

responsive_image_get_mime_type($image_style_name, $extension) Determines the MIME type of an image.

responsive_image_get_image_dimensions($image_style_name, array $dimensions, $uri) Determines the dimensions

template_preprocess_responsive_image(&$variables) Prepares variables for a responsive image.

responsive_image_help($route_name, RouteMatchInterface $route_match) Implements

responsive_image_theme() Implements

Responsive image display formatter for image fields. File core/modules/responsive_image/responsive_image

File core/modules/responsive_image/

_responsive_image_image_style_url($style_name, $path) Wrapper around image_style_url() so we can return an