public CalcResult Render(CalcRequest request)
{
var image = new Bitmap(request.RealSteps, request.ImagSteps, PixelFormat.Format24bppRgb);
ClearBitmap(image);
var dx = (request.ToCorner.Real - request.FromCorner.Real) / request.RealSteps;
var dy = (request.ToCorner.Imaginary - request.FromCorner.Imaginary) / request.ImagSteps;
double x;
double y;
int count;
for (int gx = 0; gx < request.RealSteps; gx++)
{
x = request.FromCorner.Real + gx * dx;
for (int gy = 0; gy < request.ImagSteps; gy++)
{
y = request.FromCorner.Imaginary + gy * dy;
count = ComputeCount(new Complex(x, y));
image.SetPixel(gx, gy, colors[count % NumColors]);
}
}
AddCaption(image, request);
var result = new CalcResult
{
Image = image
};
return(result);
}
private void AddCaption(Bitmap image, CalcRequest request)
{
var message =
$"({request.FromCorner.Real}, {request.FromCorner.Imaginary}) - ({request.ToCorner.Real}, {request.ToCorner.Imaginary})";
Graphics g = Graphics.FromImage(image);
g.SmoothingMode = SmoothingMode.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawString(message, new Font("Tahoma", 8), Brushes.White, 5.0f, 5.0f);
g.Flush();
}
