virtual public Point2D InverseTransform(Point2D src, Point2D dst)
{
double det = GetDeterminant();
if (Math.Abs(det) < ZERO)
{
// awt.204=Determinant is zero
throw new InvalidOperationException("awt.204"); //$NON-NLS-1$
}
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);
}
virtual 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;
}
virtual 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;
}
}
public Point2D Transform(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 + m02, x * m10 + y * m11 + m12);
return(dst);
}
virtual public Point2D InverseTransform(Point2D src, Point2D dst) {
double det = GetDeterminant();
if (Math.Abs(det) < ZERO) {
// awt.204=Determinant is zero
throw new InvalidOperationException("awt.204"); //$NON-NLS-1$
}
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;
}
