public void PreProcess(string filepath, string outputpath, int brightness, int contrast)
{
System.Drawing.Image image1 = System.Drawing.Image.FromFile(filepath);
Bitmap image = (Bitmap)image1;
BrightnessCorrection bfilter = new BrightnessCorrection(brightness);
bfilter.ApplyInPlace(image);
ContrastCorrection cfilter = new ContrastCorrection(contrast);
cfilter.ApplyInPlace(image);
image.Save(outputpath);
}
public void displayMessage()
{
string filename = @"Testing\card2.tif";
string inputpath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + Path.DirectorySeparatorChar + filename;
string outputpath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + Path.DirectorySeparatorChar + @"Testing\newfile1.tif";
System.Drawing.Image image1 = System.Drawing.Image.FromFile(inputpath);
Bitmap image = (Bitmap)image1;
BrightnessCorrection bfilter = new BrightnessCorrection(40);
bfilter.ApplyInPlace(image);
ContrastCorrection cfilter = new ContrastCorrection(180);
cfilter.ApplyInPlace(image);
image.Save(outputpath);
}