public void centerAndZoom(double x, double y)
{
DecPoint center = scale((double)x, (double)y);
height = height / zoom;
width = width / zoom;
xmin = center.X - width / 2;
xmax = center.X + width / 2;
ymin = center.Y - height / 2;
ymax = center.Y + height / 2;
generateBitmap();
}
private void generateBitmap()
{
for (int x = 1; x < bmpXmax; ++x)
{
for (int y = 1; y < bmpYmax; ++y)
{
double Xtemp;
DecPoint point = scale(x, y);
DecPoint z = new DecPoint(0, 0);
int iter;
for (iter = 0; iter < iter_max && z.Abs2() < 4; ++iter)
{
Xtemp = z.X;
z.X = z.X * z.X - z.Y * z.Y + point.X;
z.Y = 2 * Xtemp * z.Y + point.Y;
}
bitmap.SetPixel(x, y, colors[iter]);
}
}
}
