internal static bool IsRotated(Visual visual)
{
// Determine whether WindowsFormsHost is rotated
Point pOrigin = HostUtils.TransformToRootPoint(visual, new Point(0.0, 0.0));
Point pX = HostUtils.TransformToRootPoint(visual, new Point(1.0, 0.0));
Point pY = HostUtils.TransformToRootPoint(visual, new Point(0.0, 1.0));
Vector xComponent = pX - pOrigin;
Vector yComponent = pY - pOrigin;
return(xComponent.X < 0 || yComponent.Y < 0);
}
internal static Vector GetScale(Visual visual, out bool skewed)
{
// Determine whether WindowsFormsHost scaling has changed
Point pOrigin = HostUtils.TransformToRootPoint(visual, new Point(0.0, 0.0));
Point pX = HostUtils.TransformToRootPoint(visual, new Point(1.0, 0.0));
Point pY = HostUtils.TransformToRootPoint(visual, new Point(0.0, 1.0));
Vector xComponent = pX - pOrigin;
Vector yComponent = pY - pOrigin;
skewed = (!IsZero(xComponent.Y) || !IsZero(yComponent.X));
return(new Vector(xComponent.Length, yComponent.Length));
}