@function min($value1, $value2) {
@if $value1 > $value2 {
@return $value2;
}
@else if $value2 > $value1 {
@return $value1;
}
@return $value1;
}
@function max($value1, $value2) {
@if $value1 > $value2 {
@return $value1;
}
@else if $value2 > $value1 {
@return $value2;
}
@return $value1;
}
@function x($position) {
@return parsebox($position, 1);
}
@function y($position) {
@return parsebox($position, 2);
}
@function top($box) {
@return parsebox($box, 1);
}
@function right($box) {
@return parsebox($box, 2);
}
@function bottom($box) {
@return parsebox($box, 3);
}
@function left($box) {
@return parsebox($box, 4);
}
@function vertical($box) {
@return top($box) + bottom($box);
}
@function horizontal($box) {
@return left($box) + right($box);
}
@function boxmax($box) {
@return max(max(top($box), right($box)), max(bottom($box), left($box)));
}
@function boxmin($box) {
@return min(min(top($box), right($box)), min(bottom($box), left($box)));
}
@function rotate90($box) {
@return left($box) top($box) right($box) bottom($box);
}
@function rotate180($box) {
@return bottom($box) left($box) top($box) right($box);
}
@function rotate270($box) {
@return right($box) bottom($box) left($box) top($box);
}
@function flip-vertical($box) {
@return bottom($box) right($box) top($box) left($box);
}
@function flip-horizontal($box) {
@return top($box) left($box) bottom($box) right($box);
}
@function rtl($box) {
@return top($box) left($box) bottom($box) right($box);
}
@function rtl-background-position($pos) {
$x: top($pos);
$new-x: null;
@if $x == right or $x == 100% {
$new-x: 0;
} @else if $x == 0 or $x == left {
$new-x: right;
} @else {
$new-x: $x;
}
@return $new-x right($pos);
}