public static Bitmap AutoColorCorrections(Bitmap source)
{
if (source == null) throw new ArgumentNullException("source");
//Bitmap output = null;
ContrastStretch filter = new ContrastStretch();
filter.ApplyInPlace(source);
//float brightness = 1.0f; // no change in brightness
//float contrast = 2.0f; // twice the contrast
//float gamma = 1.0f; // no change in gamma
//float adjustedBrightness = brightness - 1.0f;
//// create matrix that will brighten and contrast the image
//float[][] ptsArray ={
// new float[] {contrast, 0, 0, 0, 0}, // scale red
// new float[] {0, contrast, 0, 0, 0}, // scale green
// new float[] {0, 0, contrast, 0, 0}, // scale blue
// new float[] {0, 0, 0, 1.0f, 0}, // don't scale alpha
// new float[] {adjustedBrightness, adjustedBrightness, adjustedBrightness, 0, 1}};
//using (ImageAttributes imageAttrs = new ImageAttributes())
//{
// imageAttrs.ClearColorMatrix();
// imageAttrs.SetColorMatrix(new ColorMatrix(ptsArray), ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
// imageAttrs.SetGamma(gamma, ColorAdjustType.Bitmap);
// using (Graphics g = Graphics.FromImage(output))
// {
// g.DrawImage(source, new Rectangle(0, 0, output.Width, output.Height), 0, 0, source.Width, source.Height, GraphicsUnit.Pixel, imageAttrs);
// }
//}
return source;
}
private void Contrast_scretchFunc(ref Bitmap frame, int par_int, double par_d, int par_R, int par_G, int par_B)
{
ContrastStretch filter = new ContrastStretch();
// process image
filter.ApplyInPlace(frame);
}
private void contrastStretch_Click(object sender, RoutedEventArgs e)
{
if (contrastStretch.IsChecked == true)
{
ContrastStretch filter = new ContrastStretch();
filter.ApplyInPlace(mainPhoto);
Photography.Source = ToBitmapImage(mainPhoto);
}
else
{
UpdatePicture(ImageURL);
Photography.Source = ToBitmapImage(mainPhoto);
}
mainPhotoIS = Photography.Source;
UpdateHistograms(null);
UpdateChannelPreviews(null);
}
private void Contrast_scretchFunc(ref Bitmap frame)
{
ContrastStretch filter = new ContrastStretch();
// process image
filter.ApplyInPlace(frame);
}
