//----------------------------------------------------------------
        public void ReSynchronize(double xe, double ye, uint len)
        {
            // Assume x1,y1 are equal to the ones At the previous End point
            int x1  = m_coord_x.y();
            int y1  = m_coord_y.y();
            int sx1 = m_scale_x.y();
            int sy1 = m_scale_y.y();

            // Calculate transformed Coordinates At x2,y2
            double xt = xe;
            double yt = ye;

            m_trans_dir.Transform(ref xt, ref yt);
            int x2 = Basics.Round(xt * subpixel_scale);
            int y2 = Basics.Round(yt * subpixel_scale);

            double delta = 1 / (double)subpixel_scale;
            double dx;
            double dy;

            // Calculate Scale by X At x2,y2
            dx = xt + delta;
            dy = yt;
            m_trans_inv.Transform(ref dx, ref dy);
            dx -= xe;
            dy -= ye;
            int sx2 = (int)Basics.UnsignedRound(subpixel_scale / Math.Sqrt(dx * dx + dy * dy)) >> subpixel_shift;

            // Calculate Scale by Y At x2,y2
            dx = xt;
            dy = yt + delta;
            m_trans_inv.Transform(ref dx, ref dy);
            dx -= xe;
            dy -= ye;
            int sy2 = (int)Basics.UnsignedRound(subpixel_scale / Math.Sqrt(dx * dx + dy * dy)) >> subpixel_shift;

            // Initialize the interpolators
            m_coord_x = new Dda2LineInterpolator(x1, x2, (int)len);
            m_coord_y = new Dda2LineInterpolator(y1, y2, (int)len);
            m_scale_x = new Dda2LineInterpolator(sx1, sx2, (int)len);
            m_scale_y = new Dda2LineInterpolator(sy1, sy2, (int)len);
        }
Exemple #2
0
 public int x2()
 {
     return(line_lr(m_interpolator.y()));
 }