private void ApplyBoxBlur(Bitmap destinationBitmap, int range)
{
// We only need one fastbitmap as we use it as source and target (the reading is done for one line H/V, writing after "parsing" one line H/V)
using (IFastBitmap fastBitmap = FastBitmap.Create(destinationBitmap)) {
FastBitmapOperator.ApplyBoxBlur(fastBitmap, range);
}
}
public Image Blur(Image sourceImage, int radius)
{
if (sourceImage == null)
{
return(sourceImage);
}
using (IFastBitmap fastBitmap = FastBitmap.CreateCloneOf(sourceImage)) {
FastBitmapOperator.ApplyBoxBlur(fastBitmap, radius);
Bitmap bmp = new Bitmap(sourceImage.Width, sourceImage.Height, sourceImage.PixelFormat);
using (Graphics graphics = Graphics.FromImage(bmp)) {
fastBitmap.DrawTo(graphics, Point.Empty);
}
return(bmp);
}
}