public static void SaveImageToFile(LightStrongImage image, string path, int gamma = 1, float min = 0.0f, float max = 1.0f)
{
FileStream fs = new FileStream(path, FileMode.OpenOrCreate);
PngBitmapEncoder pngBitmapEncoder = new PngBitmapEncoder();
pngBitmapEncoder.Frames.Add(BitmapFrame.Create(GetBitmap(image, min, max, gamma)));
pngBitmapEncoder.Save(fs);
fs.Flush();
fs.Close();
}
private static WriteableBitmap GetBitmap(LightStrongImage image, float min, float max, int gamma)
{
int imgw = image.Width, imgh = image.Height;
WriteableBitmap bitmap = new WriteableBitmap(imgw, imgh, 96, 96, System.Windows.Media.PixelFormats.Bgr24, null);
int byteperpixel = bitmap.Format.BitsPerPixel / 8;
byte[] colordata = new byte[imgw * imgh * byteperpixel];
int pos = 0;
for (int t = 0; t < imgh; t++)
{
for (int l = 0; l < imgw; l++)
{
int rt, rl;
if (image.HorMirror)
{
rl = imgw - 1 - l;
}
else
{
rl = l;
}
if (image.VerMirror)
{
rt = imgh - 1 - t;
}
else
{
rt = t;
}
RGBColor8 color = default;
if (gamma == 1)
{
color = TransToColorGamma1(image.Content[rt, rl], min, max);
}
else if (gamma == 2)
{
color = TransToColorGamma2(image.Content[rt, rl], min, max);
}
else
{
color = TransToColor(image.Content[rt, rl], min, max, gamma);
}
colordata[pos] = color.B; pos++;
colordata[pos] = color.G; pos++;
colordata[pos] = color.R; pos++;
}
}
Int32Rect rect = new Int32Rect(0, 0, image.Width, image.Height);
bitmap.WritePixels(rect, colordata, image.Width * byteperpixel, 0);
return(bitmap);
}
