public Point2D inverseTransform(Point2D src, Point2D dst)
{//throws NoninvertibleTransformException {
double det = getDeterminant();
if (java.lang.Math.abs(det) < ZERO)
{
// awt.204=Determinant is zero
throw new NoninvertibleTransformException("Determinant is zero"); //$NON-NLS-1$
}
if (dst == null)
{
if (src is Point2D.Double)
{
dst = new Point2D.Double();
}
else
{
dst = new Point2D.Float();
}
}
double x = src.getX() - m02;
double y = src.getY() - m12;
dst.setLocation((x * m11 - y * m01) / det, (y * m00 - x * m10) / det);
return(dst);
}
public Point2D deltaTransform(Point2D src, Point2D dst)
{
if (dst == null)
{
if (src is Point2D.Double)
{
dst = new Point2D.Double();
}
else
{
dst = new Point2D.Float();
}
}
double x = src.getX();
double y = src.getY();
dst.setLocation(x * m00 + y * m01, x * m10 + y * m11);
return(dst);
}
public void transform(Point2D[] src, int srcOff, Point2D[] dst, int dstOff, int length)
{
while (--length >= 0)
{
Point2D srcPoint = src[srcOff++];
double x = srcPoint.getX();
double y = srcPoint.getY();
Point2D dstPoint = dst[dstOff];
if (dstPoint == null)
{
if (srcPoint is Point2D.Double)
{
dstPoint = new Point2D.Double();
}
else
{
dstPoint = new Point2D.Float();
}
}
dstPoint.setLocation(x * m00 + y * m01 + m02, x * m10 + y * m11 + m12);
dst[dstOff++] = dstPoint;
}
}
