// SVG Grid Math // =============

// SVG Column Position // ——————- /// Determine the proper horizontal position /// for a column rectangle /// /// @access private /// /// @param {Integer} $column - /// 1-indexed column location on the grid /// @param {Map} $grid - /// Normalized settings map representing the current grid /// /// @return {Length} - /// Horizontal position of svg column rectangle, /// as distance from the grid edge @function _susy-svg-column-position(

$column,
$grid

) {

$x: $column - 1;

@if ($x > 0) {
  $x: susy-span(first $x wide, $grid);
}

@return $x;

}

// SVG Offset // ———- /// Determine if a grid image needs to be offset, /// to account for edge gutters. /// /// @access private /// /// @param {Map} $grid - /// Normalized settings map representing the current grid /// /// @return {Length | null} - /// Expected distance from container edge to first column, /// based on spread values and gutter-widths @function _susy-svg-offset(

$grid

) {

$columns: su-valid-columns(map-get($grid, 'columns'));
$gutters: su-valid-gutters(map-get($grid, 'gutters'));
$container: su-valid-spread(map-get($grid, 'container-spread')) + 1;

@if ($container == 0) {
  @return null;
}

$gutter: su-call('su-gutter', $grid);

@if (type-of($gutter) == 'string') {
  @return 'calc(#{$container} * #{$gutter} / 2)';
}

@return $container * $gutter / 2;

}