private static void DitherCalculateAndSave(DitheringBase method, Bitmap input, string filenameWithoutExtension)
{
Bitmap dithered = method.DoDithering(input);
double mse = CalculateMSE(input, dithered);
double psrn = CalculatePSRN(mse);
Console.WriteLine("Method: " + method.GetMethodName() + " PSRN: " + psrn);
dithered.Save(filenameWithoutExtension + method.GetFilenameAddition() + ".png");
}
private static void DitherCalculateAndSave(DitheringBase method, Bitmap input, string filenameWithoutExtension)
{
Bitmap dithered = method.DoDithering(input);
double mse = CalculateMSE(input, dithered);
double psrn = CalculatePSRN(mse);
Console.WriteLine("Method: " + method.GetMethodName() + " PSRN: " + psrn);
dithered.Save(filenameWithoutExtension + method.GetFilenameAddition() + ".png");
}
public static void DitherAndWritePngStream(Stream outputStream, Bitmap bitmap, DitheringBase <byte> ditherer, bool writeToSameBitmap = true)
{
byte[] bytes = ReadWriteBitmaps.ReadBitmapToColorBytes(bitmap);
TempByteImageFormat temp = new TempByteImageFormat(bytes, bitmap.Width, bitmap.Height, 3);
temp = (TempByteImageFormat)ditherer.DoDithering(temp);
if (writeToSameBitmap)
{
ReadWriteBitmaps.WriteToBitmap(bitmap, temp.GetPixelChannels);
bitmap.Save(outputStream, System.Drawing.Imaging.ImageFormat.Png);
}
else
{
Bitmap tempBitmap = new Bitmap(bitmap.Width, bitmap.Height, bitmap.PixelFormat);
ReadWriteBitmaps.WriteToBitmap(tempBitmap, temp.GetPixelChannels);
tempBitmap.Save(outputStream, System.Drawing.Imaging.ImageFormat.Png);
}
}
private static DitheringBase <byte> GetDitherer(DitheringMethod method, DitheringBase <byte> .ColorFunction colorfunc) =>
method switch
{
public static Bitmap DitherCalculate(DitheringBase method, Bitmap input)
{
Bitmap dithered = method.DoDithering(input);
return(dithered);
}
private static (long checksum, int colorCount) DoDitheringAndGetChecksumAndColorCount(DitheringBase <byte> dithering, Bitmap bitmap)
{
using (var image = bitmap)
{
byte[,,] bytes = ReadTo3DBytes(image);
TempByteImageFormat temp = new TempByteImageFormat(bytes);
dithering.DoDithering(temp);
WriteToBitmap(image, temp.GetPixelChannels);
//image.Save("temp123.png");
return(GetImageTotalPixelSum(image), CountTotalColors(image));
}
}
