public static void SaveImageToFile(string filepath, Image image, MagickFormat format = MagickFormat.Png)
{
ImageUInt8RGB byteRgbImage = (ImageUInt8RGB)image.ToRGB().ToUInt8();
uint width = byteRgbImage.Width;
uint height = byteRgbImage.Height;
byte[,] r = byteRgbImage.R.ToByteArray();
byte[,] g = byteRgbImage.G.ToByteArray();
byte[,] b = byteRgbImage.B.ToByteArray();
byte[] data = new byte[width * height * 3];
for (uint y = 0; y < height; y++)
{
for (uint x = 0; x < width; x++)
{
data[3 * width * y + 3 * x] = r[x, y];
data[3 * width * y + 3 * x + 1] = g[x, y];
data[3 * width * y + 3 * x + 2] = b[x, y];
}
}
var readSettings = new MagickReadSettings
{
Width = (int)width,
Height = (int)height,
Format = MagickFormat.Rgb
};
var savedImage = new MagickImage(data, readSettings);
savedImage.Format = format;
savedImage.Write(filepath);
}
public override Image ToUInt8()
{
ImageUInt8RGB uint8Image = new ImageUInt8RGB(Width, Height);
double multiplier = (double)byte.MaxValue + 1;
for (int x = 0; x < Width; x++)
{
for (int y = 0; y < Height; y++)
{
uint8Image.R[x, y] = (byte)(R[x, y] * multiplier);
uint8Image.G[x, y] = (byte)(G[x, y] * multiplier);
uint8Image.B[x, y] = (byte)(B[x, y] * multiplier);
}
}
return(uint8Image);
}
public static Image LoadFromFile(string filepath)
{
var image = new MagickImage(filepath);
IPixelCollection <byte> pixelCollection = image.GetPixels();
ImageUInt8RGB result = new ImageUInt8RGB((uint)image.Width, (uint)image.Height);
for (int x = 0; x < image.Width; x++)
{
for (int y = 0; y < image.Height; y++)
{
IPixel <byte> pixel = pixelCollection.GetPixel(x, y);
result.R[x, y] = pixel.GetChannel(0);
result.G[x, y] = pixel.GetChannel(1);
result.B[x, y] = pixel.GetChannel(2);
}
}
return(result);
}
