public static Bitmap MakeNegative(Bitmap originalImage, string originalPath, out string newPath)
{
Bitmap imageClone = (Bitmap)originalImage.Clone();
int x, y;
for (x = 0; x < imageClone.Width; x++)
{
for (y = 0; y < imageClone.Height; y++)
{
Color pixelColor = imageClone.GetPixel(x, y);
var negativeR = 255 - pixelColor.R;
var negativeG = 255 - pixelColor.G;
var negativeB = 255 - pixelColor.B;
Color newColor = Color.FromArgb(negativeR, negativeG, negativeB);
imageClone.SetPixel(x, y, newColor);
}
}
newPath = FileNameEditor.AddSuffixToFileName(originalPath, "_negative");
return(imageClone);
}
public static Bitmap MakeBlackAndWhite(Bitmap originalImage, string originalPath, out string newPath)
{
Bitmap imageClone = (Bitmap)originalImage.Clone();
int x, y;
for (x = 0; x < imageClone.Width; x++)
{
for (y = 0; y < imageClone.Height; y++)
{
Color pixelColor = imageClone.GetPixel(x, y);
var averageValue = (pixelColor.R + pixelColor.G + pixelColor.B) / 3;
Color newColor = Color.FromArgb(averageValue, averageValue, averageValue);
imageClone.SetPixel(x, y, newColor);
}
}
newPath = FileNameEditor.AddSuffixToFileName(originalPath, "_blackandwhite");
return(imageClone);
}
///This method will blur all pixels except the outer ones, meaning the image will have a "frame"
///of 1 px wide unblurred pixels. For that reason the program doesnt accept images under 300x300px
public static Bitmap MakeBlur(Bitmap originalImage, string originalPath, out string newPath)
{
Bitmap imageClone = (Bitmap)originalImage.Clone();
int x, y;
for (x = 1; x < imageClone.Width - 1; x++)
{
for (y = 1; y < imageClone.Height - 1; y++)
{
Color originalColor = originalImage.GetPixel(x, y);
Color colorPrevX = originalImage.GetPixel(x - 1, y);
Color colorNextX = originalImage.GetPixel(x + 1, y);
Color colorPrevY = originalImage.GetPixel(x, y - 1);
Color colorNextY = originalImage.GetPixel(x, y + 1);
Color colorCorner1 = originalImage.GetPixel(x - 1, y - 1);
Color colorCorner2 = originalImage.GetPixel(x + 1, y - 1);
Color colorCorner3 = originalImage.GetPixel(x - 1, y + 1);
Color colorCorner4 = originalImage.GetPixel(x + 1, y + 1);
var averageR = (originalColor.R + colorPrevX.R + colorNextX.R + colorPrevY.R + colorNextY.R + colorCorner1.R + colorCorner2.R + colorCorner3.R + colorCorner4.R) / 9;
var averageG = (originalColor.G + colorPrevX.G + colorNextX.G + colorPrevY.G + colorNextY.G + colorCorner1.G + colorCorner2.G + colorCorner3.G + colorCorner4.G) / 9;
var averageB = (originalColor.B + colorPrevX.B + colorNextX.B + colorPrevY.B + colorNextY.B + colorCorner1.B + colorCorner2.B + colorCorner3.B + colorCorner4.B) / 9;
Color newColor = Color.FromArgb(averageR, averageG, averageB);
imageClone.SetPixel(x, y, newColor);
}
}
newPath = FileNameEditor.AddSuffixToFileName(originalPath, "_blur");
return(imageClone);
}
