// click on processing buttons
private void Button_Click(object sender, RoutedEventArgs e)
{
string buttonName = (sender as Button).Content.ToString();
ImageProcessing process = new ImageProcessing();
byte[] processedImageBytes;
//try
//{
processedImageBytes = process.FindContours(originalImageBytes, originalImage.PixelHeight, originalImage.PixelWidth);
grayscalePanel.Source = ImageConvertor.ByteArrayToImage(processedImageBytes, originalImage.PixelWidth, originalImage.PixelHeight, 1);
//}
//catch (Exception ex) {
//MessageBox.Show("Smth went so wrong...");
//}
}
public byte[] FindContours(byte[] originalImage, int xsize, int ysize)
{
byte[] preimage = setGrayscale(originalImage);
Pixel[,] pixels = ImageConvertor.GetPixelArrayFromImage(preimage, xsize, ysize);
Pixel[,] new_pixels = new Pixel[pixels.GetLength(0), pixels.GetLength(1)];
for (int y = 0; y < pixels.GetLength(0) - 1; y++)
{
for (int x = 0; x < pixels.GetLength(1) - 1; x++)
{
Pixel temp1 = pixels[y, x] - pixels[y + 1, x + 1];
Pixel temp2 = pixels[y, x + 1] - pixels[y + 1, x];
new_pixels[y, x] = new Pixel()
{
R = (byte)(Math.Sqrt(temp1.R * temp1.R + temp2.R * temp2.R)),
G = (byte)(Math.Sqrt(temp1.G * temp1.G + temp2.G * temp2.G)),
B = (byte)(Math.Sqrt(temp1.B * temp1.B + temp2.B * temp2.B)),
Alpha = (byte)(Math.Sqrt(temp1.Alpha * temp1.Alpha + temp2.Alpha * temp2.Alpha)),
};
}
}
List <byte> result = new List <byte>();
for (int y = 0; y < new_pixels.GetLength(0); y++)
{
for (int x = 0; x < new_pixels.GetLength(1); x++)
{
byte result_sum = (byte)((new_pixels[y, x].R + new_pixels[y, x].G + new_pixels[y, x].B + new_pixels[y, x].Alpha) / 4);
//result.Add(pixels[y, x].B);
//result.Add(pixels[y, x].G);
//result.Add(pixels[y, x].R);
//result.Add(pixels[y, x].Alpha);
result.Add(result_sum);
result.Add(result_sum);
result.Add(result_sum);
result.Add(result_sum);
}
}
return(result.ToArray());
}
// click on processing buttons
private void Button_Click(object sender, RoutedEventArgs e)
{
string buttonName = (sender as Button).Content.ToString();
ImageProcessing process = new ImageProcessing();
byte[] processedImageBytes;
try
{
switch (buttonName[0])
{
// if the button is "Red filter"
case 'R':
processedImageBytes = process.setRedFilter(originalImageBytes);
grayscalePanel.Source = ImageConvertor.ByteArrayToImage(processedImageBytes, originalImage.PixelWidth, originalImage.PixelHeight, 4);
break;
// if the button is "Invert"
case 'I':
processedImageBytes = process.setInvert(originalImageBytes);
grayscalePanel.Source = ImageConvertor.ByteArrayToImage(processedImageBytes, originalImage.PixelWidth, originalImage.PixelHeight, 4);
break;
// if the button is "Gray-scale"
case 'G':
processedImageBytes = process.setGrayscale(originalImageBytes);
grayscalePanel.Source = ImageConvertor.ByteArrayToImage(processedImageBytes, originalImage.PixelWidth, originalImage.PixelHeight, 1);
break;
// if smth stupid happend
default:
break;
}
}
catch (Exception ex) {
MessageBox.Show("Smth went so wrong...");
}
}
// show image on the window
private void showImage(string filename)
{
originalImage = ImageConvertor.FilenameToImage(filename);
originalImageBytes = ImageConvertor.ImageToByteArray(filename);
originalPanel.Source = originalImage;
}
