private void applyFilterButton_Click(object sender, EventArgs e)
{
//pictureBox1.Image = nw.returnGraytoImage();
if (filterchosen != "" && !NoImage)
{
if (filterchosen.Contains("Sobel"))
{
Bitmap imgtmp = ImageProcessor.CopyImage(img.ViewedImage);
PreviewImage tmp = new PreviewImage(imgtmp);
img.filterImage(sobelv);
// tmp.filterImage(sobelh);
// img = img + tmp;
}
else if (filterchosen.Contains("Robert Cross"))
{
Bitmap imgtmp = ImageProcessor.CopyImage(img.ViewedImage);
PreviewImage tmp = new PreviewImage(imgtmp);
img.filterImage(RobertCrossH);
tmp.filterImage(RobertCrossV);
img = img + tmp;
}
else if (filterchosen.Contains("UnSharpen"))
{
Bitmap imgtmp = ImageProcessor.CopyImage(img.ViewedImage);
PreviewImage tmp = new PreviewImage(imgtmp);
Bitmap imgtmp2 = ImageProcessor.CopyImage(img.ViewedImage);
PreviewImage tmp2 = new PreviewImage(imgtmp2);
tmp.filterImage(blur);
tmp2 = tmp2 - tmp;
int k = 5;
if (!filterchosen.Contains("HighBoost"))
{
k = 1;
}
for (int i = 0; i < k; i++)
{
img = img + tmp2;
}
}
else if (filterchosen == "Average Noise Reduction")
{
List <PreviewImage> noisyImages = new List <PreviewImage>();
///fill list
Bitmap newImage = ImageProcessor.CopyImage(img.ViewedImage);
for (int r = 0; r < img.ViewedImage.Width; r++)
{
for (int c = 0; c < img.ViewedImage.Height; c++)
{
int redTotal = 0, greenTotal = 0, blueTotal = 0;
for (int i = 0; i < noisyImages.Count; i++)
{
Color color = noisyImages[i].ViewedImage.GetPixel(r, c);
redTotal += color.R;
greenTotal += color.G;
blueTotal += color.B;
}
redTotal /= noisyImages.Count;
greenTotal /= noisyImages.Count;
blueTotal /= noisyImages.Count;
newImage.SetPixel(r, c, Color.FromArgb(redTotal, greenTotal, blueTotal));
}
}
PreviewImage newPrev = new PreviewImage(newImage, img.isColorised);
img.ViewedImage = newPrev.ViewedImage;
img.Mat = newPrev.Mat;
img.GetViewedImage();
img.previewStages.Add(new PreviewState(img.stages, avgNoiseReduction, img.OriginalImage, img.ViewedImage, img.ColorisedImage, img.GrayscaleImage, img.MatOrigin, img.isColorised, img.brightness, img.contrast, img.saturation));
}
else if (filterchosen.Contains("Prewitt"))
{
Bitmap imgtmp = ImageProcessor.CopyImage(img.ViewedImage);
PreviewImage tmp = new PreviewImage(imgtmp);
img.filterImage(Pewitt);
tmp.filterImage(Pewitt2);
img = img + tmp;
}
else if (filterchosen.Contains("Cartoon"))
{
Bitmap imgtmp = ImageProcessor.CopyImage(img.ViewedImage);
Bitmap imgtmp2 = ImageProcessor.CopyImage(img.ViewedImage);
PreviewImage tmp = new PreviewImage(imgtmp);
PreviewImage tmp2 = new PreviewImage(imgtmp2);
for (int i = 0; i < 2; i++)
{
tmp.filterImage(Median);
tmp2.filterImage(Median);
}
tmp.filterImage(sobelh);
tmp2.filterImage(sobelv);
tmp = tmp + tmp2;
for (int i = 0; i < 6; i++)
{
img.filterImage(blur);
}
img = img - tmp;
ViewImages();
}
else
{
if (filterchosen == "Salt and Pepper")
{
saltAndPepper.randomUpdateFilter(img.ViewedImage.Width, img.ViewedImage.Height, 0, 256, false);
}
if (filterchosen == "Gaussian Noise")
{
gaussianNoise.randomUpdateFilter(img.ViewedImage.Width, img.ViewedImage.Height, 0, (0.1f * 0.5f), true);
}
img.filterImage(Filters[filterchosen]);
}
ViewImages();
}
}