/**
* The transform function applies the transformation matrix to this object and returns a new coordinates object.
*
* @param IdmlBoundary $boundary
* @param IdmlTransformation $matrix
*
* @return IdmlBoundary a new object
*/
public static function transform(IdmlBoundary $boundary, IdmlTransformation $matrix)
{
$a = $matrix->getA();
$b = $matrix->getB();
$c = $matrix->getC();
$d = $matrix->getD();
$tx = $matrix->xTranslate();
$ty = $matrix->yTranslate();
$left = $boundary->left;
$top = $boundary->top;
$right = $boundary->right;
$bottom = $boundary->bottom;
// Transform (x1,y1)
$left2 = $left * $a + $top * $c + $tx;
$top2 = $left * $b + $top * $d + $ty;
// Transform (x2,y2)
$right2 = $right * $a + $bottom * $c + $tx;
$bottom2 = $right * $b + $bottom * $d + $ty;
return new IdmlBoundary($top2, $left2, $bottom2, $right2);
}
