function picture_background_formatter_picture_breakpoint_data in Picture Background Formatter 7

Queries the breakpoint data for the requested picture mapping.

Parameters

array $picture_mapping: Desired Picture Mapping to pull Breakpoint Data from.

Return value

array An array of breakpoints, their sizes, and multipliers.

See also

picture_background_formatter_generate_background_css()

1 call to picture_background_formatter_picture_breakpoint_data()

picture_background_formatter_generate_background_css in ./picture_background_formatter.module

CSS Generator Helper Function.

File

./picture_background_formatter.module, line 171

Hooks and functions for the Picture Background Formatter module.

Code

function picture_background_formatter_picture_breakpoint_data($picture_mapping) {
  $mapping = picture_mapping_load($picture_mapping);
  $mapping_breakpoints = array_reverse(picture_get_mapping_breakpoints($mapping));
  $picture_breakpoint_data = array();
  reset($mapping_breakpoints);
  $first = key($mapping_breakpoints);
  foreach ($mapping_breakpoints as $breakpoint_name => $breakpoint_values) {

    // Mark breakpoint as invalid if it consists of a type other than an
    // image_style type.
    $invalid = FALSE;
    foreach ($breakpoint_values as $values) {
      if ($values['mapping_type'] != "image_style") {
        $invalid = TRUE;
      }
    }

    // Skip invalid breakpoints.
    if ($invalid) {
      watchdog('picture_background_formatter', 'Breakpoint %breakpoint was skipped due to the misconfigured %mapping Picture Mapping.', array(
        '%breakpoint' => $breakpoint_name,
        '%mapping' => $mapping
          ->label(),
      ), WATCHDOG_NOTICE, NULL);
      continue;
    }
    if ($breakpoint_name === $first) {
      $picture_breakpoint_data["default"] = $mapping_breakpoints[$breakpoint_name];
    }
    else {
      $breakpoint_data = breakpoints_breakpoint_load_by_fullkey($breakpoint_name);
      $picture_breakpoint_data[$breakpoint_data->breakpoint] = $mapping_breakpoints[$breakpoint_name];
    }
  }
  return $picture_breakpoint_data;
}