private RgbArray GetTestRgbArray(int x = 256, int y = 256)
{
var rgbArray = new RgbArray(new Color[x][]);
for (int i = 0; i < x; i++)
{
rgbArray.data[i] = new Color[y];
for (int j = 0; j < y; j++)
{
var magnitude = (int)((i / (float)x + j / (float)y) * 128);
rgbArray.data[i][j] = Color.FromArgb(magnitude, magnitude, magnitude);
}
}
return(rgbArray);
}
private static void SaveRGBArrayAsImage(RgbArray rgbArray, DirectoryInfo outputDir)
{
var width = rgbArray.Width;
var height = rgbArray.Height;
using var image = new Image <Rgb24>(width, height);
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
var pixel = rgbArray.data[y][x];
image[x, y] = new Rgb24(pixel.R, pixel.G, pixel.B);
}
}
using var stream = new FileStream(Path.Combine(outputDir.FullName, "output.jpg"), FileMode.OpenOrCreate, FileAccess.ReadWrite);
image.SaveAsJpeg(stream);
}
