public static float getScaleX(uiMatrix3 matrix)
{
// ignore perspective parameters for now.
if (matrix.isIdentity())
{
return(1.0f);
}
if (matrix.getSkewY() == 0)
{
return(matrix.getScaleX());
}
var x = matrix.getScaleX();
var y = matrix.getSkewY();
return(Mathf.Sqrt(x * x + y * y));
}