public void grayScaleMode(GrayScaleMode scaleMode)
{
modifiedImage = ImageProcessing.grayScale(image, scaleMode);
imageMode = ImageMode.Grayscale;
this.scaleMode = scaleMode;
changeBitmap(getCurrentImage());
}
public ImageForm(string imagePath, Main owner)
{
InitializeComponent();
this.owner = owner;
Owner = owner;
imageMode = ImageMode.Default;
scaleMode = GrayScaleMode.Null;
filter = new ColorFilter();
this.imagePath = imagePath;
using (var bmpTemp = new Bitmap(imagePath))
{
image = new Bitmap(bmpTemp);
originalImage = new Bitmap(bmpTemp);
}
Text = imagePath;
pictureBox.Image = image;
MaximumSize = new Size(owner.Width - 100, owner.Height - 150);
setSizeAuto();
}
public static Bitmap grayScale(Bitmap image, GrayScaleMode mode)
{
Bitmap newImage = new Bitmap(image.Width, image.Height);
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
int gray = 0;
int R = image.GetPixel(x, y).R;
int G = image.GetPixel(x, y).G;
int B = image.GetPixel(x, y).B;
switch (mode)
{
case GrayScaleMode.Average:
gray = (R + G + B) / 3;
break;
case GrayScaleMode.Luma:
gray = (int)Math.Round(R * 0.2126 + G * 0.7152 + B * 0.0722, 0);
break;
case GrayScaleMode.Desaturation:
gray = (Math.Max(Math.Max(R, G), B) + Math.Min(Math.Min(R, G), B)) / 2;
break;
case GrayScaleMode.DecompositionMin:
gray = Math.Min(Math.Min(R, G), B);
break;
case GrayScaleMode.DecompositionMax:
gray = Math.Max(Math.Max(R, G), B);
break;
}
newImage.SetPixel(x, y, Color.FromArgb(gray, gray, gray));
}
}
return(newImage);
}
public void changeMode(ImageMode mode)
{
imageMode = mode;
scaleMode = GrayScaleMode.Null;
changeBitmap(getCurrentImage());
}