private void ContrastButton_Click(object sender, EventArgs e)
{
int brightness = (int)BrightnessBar.Value;
int contrast = (int)ContrastBar.Value;
Bitmap image = ConvertToBitmap(PictureBox1.Source as BitmapSource);
image = imageOperation.ChangeAttributes(image, brightness, contrast);
PictureBox1.Source = BitmapToImageSource(image);
}
private void ContrastButton_Click(object sender, EventArgs e)
{
int brightness = BrightnessBar.Value;
int contrast = ContrastBar.Value;
Image image = PictureBox1.Image;
Bitmap bitmap = new Bitmap(PictureBox1.Image);
image = imageOperation.ChangeAttributes(bitmap, brightness, contrast);
PictureBox1.Image = image;
}