Blog.Common.Utils.Helpers.ImageHelper.CreateGifThumbnail C# (CSharp) Method

        public bool CreateGifThumbnail(string filename, string destinationPath, string thumbnailPrefix)
        {
            try
            {
                var img = Image.FromFile(filename);
                var frames = img.GetFrameCount(FrameDimension.Time);
                if (frames <= 1) throw new Exception("Image not animated");

                var frame = Convert.ToInt32(Math.Round(Convert.ToDouble(frames / 2), MidpointRounding.AwayFromZero));
                img.SelectActiveFrame(FrameDimension.Time, frame);

                if (!Directory.Exists(destinationPath.TrimEnd('\\')))
                {
                    FileHelper.CreateDirectory(destinationPath);
                }

                var compressedImage = ResizeImage(img, GetComputedImageSize(img.Width, img.Height));
                var jpgEncoder = GetEncoder(ImageFormat.Jpeg);
                var encoder = Encoder.Quality;
                var encoderParams = new EncoderParameters(1);

                encoderParams.Param[0] = new EncoderParameter(encoder, 100L);
                compressedImage.Save(destinationPath.TrimEnd('\\') + @"\" + thumbnailPrefix + Path.GetFileNameWithoutExtension(filename) + ".jpg", jpgEncoder, encoderParams);

                compressedImage.Dispose();
                img.Dispose();
                
                return true;
            }
            catch (Exception ex)
            {
                throw new BlogException(ex.Message, ex.InnerException);
            }
        }