/// <summary>
/// Create the negative of a given image
/// </summary>
/// <param name="fileName"></param>
/// <param name="outputFile"></param>
/// <returns></returns>
public static bool NegativePicture(string fileName, string outputFile)
{
Bitmap img = CreateBitmap(fileName);
if (img != null)
{
int width = img.Width;
int height = img.Height;
Bitmap newImg = CreateBitmap(width, height);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
System.Drawing.Color p = img.GetPixel(i, j);
System.Drawing.Color pNegative = NegativePixel(p);
newImg.SetPixel(i, j, pNegative); // Set the pixel
}
}
img.Dispose(); // Allow to override the loaded picture without crashing
if (System.IO.File.Exists(outputFile))
{
FileUtilsShared.TryDeleteFile(outputFile); // Delete the file if it already exists
}
return(TrySaveImageDispose(newImg, outputFile));
}
return(false);
}
/// <summary>
/// Flip a given image horizontally and/or vertically
/// </summary>
/// <param name="fileName"></param>
/// <param name="outputFile"></param>
/// <param name="horizontal"></param>
/// <param name="vertical"></param>
/// <returns></returns>
public static bool FlipTexture(string fileName, bool horizontal, bool vertical, string outputFile)
{
Bitmap img = CreateBitmap(fileName);
if (img != null)
{
Bitmap newImg = CreateBitmap(img);
if (horizontal && vertical)
{
newImg.RotateFlip(RotateFlipType.RotateNoneFlipXY);
}
else
{
if (horizontal)
{
newImg.RotateFlip(RotateFlipType.RotateNoneFlipX);
}
else if (vertical)
{
newImg.RotateFlip(RotateFlipType.RotateNoneFlipY);
}
}
img.Dispose(); // Allow to override the loaded picture without crashing
if (System.IO.File.Exists(outputFile))
{
FileUtilsShared.TryDeleteFile(outputFile); // Delete the file if it already exists
}
return(TrySaveImageDispose(newImg, outputFile));
}
return(false);
}
/// <summary>
/// Mirror a given image horizontally and/or vertically
/// </summary>
/// <param name="fileName"></param>
/// <param name="outputFile"></param>
/// <param name="horizontal"></param>
/// <param name="vertical"></param>
/// <returns></returns>
public static bool MirrorTexture(string fileName, bool horizontal, bool vertical, string outputFile)
{
Bitmap img = CreateBitmap(fileName);
if (img != null)
{
int width = img.Width;
int maxWidth = horizontal ? width * 2 : width;
int height = img.Height;
int maxHeight = vertical ? height * 2 : height;
Bitmap newImg = CreateBitmap(maxWidth, maxHeight);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
System.Drawing.Color p = img.GetPixel(i, j);
newImg.SetPixel(i, j, p); // Set the pixel
int newWidth = maxWidth - 1 - i;
int newHeight = maxHeight - 1 - j;
if (horizontal)
{
newImg.SetPixel(newWidth, j, p); // Set the mirrored pixel
}
if (vertical)
{
newImg.SetPixel(i, newHeight, p); // Set the mirrored pixel
}
if (horizontal && vertical)
{
newImg.SetPixel(newWidth, newHeight, p); // Set the mirrored pixel
}
}
}
img.Dispose(); // Allow to override the loaded picture without crashing
if (System.IO.File.Exists(outputFile))
{
FileUtilsShared.TryDeleteFile(outputFile); // Delete the file if it already exists
}
return(TrySaveImageDispose(newImg, outputFile));
}
return(false);
}
/// <summary>
/// Create a transparent image using the original image and its alpha
/// </summary>
/// <param name="alphaFile"></param>
/// <param name="textureFile"></param>
/// <param name="outputFile"></param>
/// <returns></returns>
public static bool MakeTransparent(string alphaFile, string textureFile, string outputFile)
{
Bitmap BmpA = CreateBitmap(alphaFile);
Bitmap BmpC = CreateBitmap(textureFile);
if (BmpA != null && BmpC != null)
{
if (AreSameSize(BmpA, BmpC))
{
int width = BmpA.Width;
int height = BmpA.Height;
Bitmap newImg = CreateBitmap(width, height);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
System.Drawing.Color alphaPixel = BmpA.GetPixel(i, j);
System.Drawing.Color texturePixel = BmpC.GetPixel(i, j);
if (alphaPixel.R == 255 && alphaPixel.G == 255 && alphaPixel.B == 255) // White pixel
{
newImg.SetPixel(i, j, transparentPixel); // Set transparent pixel
}
else
{
newImg.SetPixel(i, j, texturePixel); // Set the texture pixel
}
}
}
BmpA.Dispose(); // Dispose the file streams so we can overwrite the files
BmpC.Dispose();
if (System.IO.File.Exists(outputFile))
{
FileUtilsShared.TryDeleteFile(outputFile); // Delete the file if it already exists
}
return(TrySaveImageDispose(newImg, outputFile));
}
}
return(false);
}
