/// <inheritdoc/>
protected override IEnumerable <Segment> Render(RenderContext context, int maxWidth)
{
var image = Image;
var width = Width;
var height = Height;
// Got a max width?
if (MaxWidth != null)
{
height = (int)(height * ((float)MaxWidth.Value) / Width);
width = MaxWidth.Value;
}
// Exceed the max width when we take pixel width into account?
if (width * PixelWidth > maxWidth)
{
height = (int)(height * (maxWidth / (float)(width * PixelWidth)));
width = maxWidth / PixelWidth;
}
// Need to rescale the pixel buffer?
if (width != Width || height != Height)
{
var resampler = Resampler ?? _defaultResampler;
image = image.Clone(); // Clone the original image
image.Mutate(i => i.Resize(width, height, resampler));
}
var canvas = new Canvas(width, height)
{
MaxWidth = MaxWidth,
PixelWidth = PixelWidth,
Scale = false,
};
for (var y = 0; y < image.Height; y++)
{
for (var x = 0; x < image.Width; x++)
{
if (image[x, y].A == 0)
{
continue;
}
canvas.SetPixel(x, y, new Color(
image[x, y].R, image[x, y].G, image[x, y].B));
}
}
return(((IRenderable)canvas).Render(context, maxWidth));
}
public static Spectre.Console.Canvas Generate(int width, int height)
{
var canvas = new Spectre.Console.Canvas(width, height);
var scale = 2 * MaxValueExtent / Math.Min(canvas.Width, canvas.Height);
for (var i = 0; i < canvas.Height; i++)
{
var y = (canvas.Height / 2 - i) * scale;
for (var j = 0; j < canvas.Width; j++)
{
var x = (j - canvas.Width / 2) * scale;
var value = Calculate(new ComplexNumber(x, y));
canvas.SetPixel(j, i, GetColor(value));
}
}
return(canvas);
}