function picture_get_mapping_breakpoints in Picture 7.2

Same name and namespace in other branches

1. 7 picture.module \picture_get_mapping_breakpoints()

Returns a list with the image styles of a mapping configuration.

Parameters

object $picture_mapping: The mapping configuration.

string $fallback_image_style: Reference to access the evaluated fallback image style.

Return value

array List with the image styles of a mapping configuration. The array has following structure: array( breakpoint_name => array( multiplier => array( mapping_type => _none|sizes|image_style, image_style => image_style_name, sizes => '(min-width: 700px) 700px, 100vw', sizes_image_styles => array( thumbnail => thumbnail, medium => medium, large => large, ), ), ), );

4 calls to picture_get_mapping_breakpoints()

picture_field_formatter_picture_view in ./picture.module

Helper function.

picture_file_formatter_picture_view in ./picture.file_entity_1.inc

View callback for hook_file_formatter_info().

template_preprocess_flexslider_picture_list in flexslider_picture/theme/flexslider_picture.theme.inc

Process the items and prepare the item slides to be rendered.

_picture_filter_prepare_image in ./picture.module

Prepares a Render Array for theme_picture_formatter().

File

./picture.module, line 2224

Picture formatter.

Code

function picture_get_mapping_breakpoints(PictureMapping $picture_mapping, &$fallback_image_style = NULL) {
  $breakpoint_styles = array();
  $image_styles = array();
  foreach ($picture_mapping
    ->getMappings() as $breakpoint_name => $multipliers) {

    // Make sure there are multipliers.
    if (!empty($multipliers)) {
      $breakpoint = breakpoints_breakpoint_load_by_fullkey($breakpoint_name);
      if ($breakpoint && $breakpoint->status) {

        // Determine the enabled multipliers.
        $multipliers = array_intersect_key($multipliers, $breakpoint->multipliers);
        foreach ($multipliers as $multiplier => $mapping_definition) {

          // Make sure the multiplier still exists.
          if (!PictureMapping::isEmptyMappingDefinition($mapping_definition)) {
            if ($mapping_definition['mapping_type'] == 'image_style') {
              $image_styles[] = $mapping_definition['image_style'];
            }
            elseif ($mapping_definition['mapping_type'] == 'sizes') {
              $mapping_definition['sizes_image_styles'] = array_filter($mapping_definition['sizes_image_styles']);
              $image_styles = array_merge($image_styles, $mapping_definition['sizes_image_styles']);
            }
            if (!isset($breakpoint_styles[$breakpoint_name])) {
              $breakpoint_styles[$breakpoint_name] = array();
            }
            $breakpoint_styles[$breakpoint_name][$multiplier] = $mapping_definition;
          }
        }
      }
    }
  }

  // Check if the user defined a custom fallback image style.
  if (!$fallback_image_style) {
    $fallback_image_style = end($image_styles);
  }
  return $breakpoint_styles;
}