public byte[] Generate(FractalImageSettings input)
{
int width = input.PixelWidth;
int height = input.PixelHeight;
var f = MakeConverter(input);
var color = MakeBasicColorizer();
var start = DateTime.Now;
var sw = new Stopwatch();
using (Image <Rgba32> image = new Image <Rgba32>(width, height))
{
for (int wp = 0; wp < width; wp++)
{
for (int hp = 0; hp < height; hp++)
{
var pos = f(Tuple.Create(wp, hp));
sw.Start();
image[wp, hp] = color(pos);
sw.Stop();
}
}
Console.WriteLine($"Mandelbrot run: {sw.ElapsedMilliseconds} ms.");
Console.WriteLine($"Generated raw image: {(DateTime.Now - start).TotalSeconds}");
var result = ToPng(image);
Console.WriteLine($"Encoded as PNG: {(DateTime.Now - start).TotalSeconds}");
return(result);
}
}
private Func <Tuple <int, int>, Tuple <double, double> > MakeConverter(FractalImageSettings input)
{
var tx = CoordinateTransformer.CreatePixelTransformer(input.PixelWidth, input.PixelHeight, input.OriginX, input.OriginY, input.LogicalWidth);
return((pixPos) => tx.TransformToLocal(pixPos.Item1, pixPos.Item2));
}
