private Bitmap MakeScale(Bitmap original, MakeColorDelegate makeColor)
{
/*
* The MakeScale function will iterate through the bitmap computing
* a new value for the pixel with a given filter. The filter is pass
* in by the makeColor delegate. The given delegate will point to one
* of the MakeColorScales which will alter the color for the given pixel.
*/
try
{
Bitmap newBitmap = new Bitmap(original.Width, original.Height);
for (int i = 0; i < original.Width; i++)
{
for (int j = 0; j < original.Height; j++)
{
Color newColor = makeColor(original, i, j);
newBitmap.SetPixel(i, j, newColor);
}
}
return(newBitmap);
}
catch (Exception ex)
{
throw new NotImplementedException();
}
}
private void ColorClick(MakeColorDelegate colorDelegate)
{
/*
* A general template for the click color buttons that generates a new
* form and display a filtered image.
*/
Form newForm = new Scale(); // Create a new form
Bitmap imageInstance = (Bitmap)OpenImageDisplay.Image; // Grab the image inside the PictureBox
Bitmap newInstance = new Bitmap(imageInstance.Width, imageInstance.Height); // Create a new Bitmap that is the same size as the image
if (imageInstance != null)
{
newInstance = MakeScale(imageInstance, colorDelegate); // Apply the filter
Generate_TempPict(newForm, newInstance);
}
}
private Bitmap ScanImage(Bitmap newImage, int[,] verticalFilter, int[,] horizontalFilter, int[,] diagonalFilter)
{
int pixel;
Bitmap original = (Bitmap)(OpenImageDisplay.Image);
Bitmap newBitmap = new Bitmap(original.Width, original.Height);
MakeColorDelegate grayDelegate = new MakeColorDelegate(MakeGrayScale);
Bitmap grayBitmap = MakeScale(Pad_Bitmap((Bitmap)OpenImageDisplay.Image), grayDelegate);
for (int i = 2; i < grayBitmap.Width - 2; i++)
{
for (int j = 2; j < grayBitmap.Height - 2; j++)
{
int[,] pixelnxn;
if (verticalFilter.Length == 9)
{
pixelnxn = new int[3, 3] {
{ grayBitmap.GetPixel(i - 1, j - 1).G, grayBitmap.GetPixel(i - 0, j - 1).G, grayBitmap.GetPixel(i + 1, j - 1).G },
{ grayBitmap.GetPixel(i - 1, j - 0).G, grayBitmap.GetPixel(i - 0, j - 0).G, grayBitmap.GetPixel(i + 1, j - 0).G },
{ grayBitmap.GetPixel(i - 1, j + 1).G, grayBitmap.GetPixel(i - 0, j + 1).G, grayBitmap.GetPixel(i + 1, j + 1).G }
};
}
else
{
pixelnxn = new int[2, 2] {
{ grayBitmap.GetPixel(i - 1, j - 1).G, grayBitmap.GetPixel(i - 0, j - 1).G },
{ grayBitmap.GetPixel(i - 1, j - 0).G, grayBitmap.GetPixel(i - 0, j - 0).G },
};
}
pixel = Calculate_Pixel_Distance(pixelnxn, verticalFilter, horizontalFilter, diagonalFilter);
Color newColor = Color.FromArgb(pixel, pixel, pixel);
newBitmap.SetPixel(i - 2, j - 2, newColor);
}
}
return(newBitmap);
}
private void Cb_Click(object sender, EventArgs e)
{
MakeColorDelegate cbDelegate = new MakeColorDelegate(MakeCbScale);
ColorClick(cbDelegate);
}
private void Q_Click(object sender, EventArgs e)
{
MakeColorDelegate qDelegate = new MakeColorDelegate(MakeQScale);
ColorClick(qDelegate);
}
private void I_Click(object sender, EventArgs e)
{
MakeColorDelegate iDelegate = new MakeColorDelegate(MakeIScale);
ColorClick(iDelegate);
}
private void V_Click(object sender, EventArgs e)
{
MakeColorDelegate vDelegate = new MakeColorDelegate(MakeVScale);
ColorClick(vDelegate);
}
private void U_Click(object sender, EventArgs e)
{
MakeColorDelegate uDelegate = new MakeColorDelegate(MakeUScale);
ColorClick(uDelegate);
}
private void Blue_Click(object sender, EventArgs e)
{
MakeColorDelegate blueDelegate = new MakeColorDelegate(MakeBlueScale);
ColorClick(blueDelegate);
}
private void Green_Click(object sender, EventArgs e)
{
MakeColorDelegate greenDelegate = new MakeColorDelegate(MakeGreenScale);
ColorClick(greenDelegate);
}
private void Red_Click(object sender, EventArgs e)
{
MakeColorDelegate redDelegate = new MakeColorDelegate(MakeRedScale);
ColorClick(redDelegate);
}
/*
* All Color Click methods operate the same way. It method will begin by
* creating a delegate that points to a MakeColor function. We will then
* run ColorClick method with the given delegate.
*/
private void Gray_Scale_Click(object sender, EventArgs e)
{
MakeColorDelegate grayDelegate = new MakeColorDelegate(MakeGrayScale);
ColorClick(grayDelegate);
}