Exemple #1
0
        public Byte[] CreateThumbnail(byte[] imageData, int Width, int Height, bool maintainAspectRatio)
        {
            Byte[] imageDataNew;
            Bitmap bmp = null;

            try
            {
                MemoryStream memStream = new MemoryStream(imageData);

                System.Drawing.Image img = System.Drawing.Image.FromStream(memStream);
                if (maintainAspectRatio)
                {
                    AspectRatio aspectRatio = new AspectRatio();
                    aspectRatio.WidthAndHeight(img.Width, img.Height, Width, Height);
                    bmp = new Bitmap(img, aspectRatio.Width, aspectRatio.Height);
                }
                else
                {
                    bmp = new Bitmap(img, Width, Height);
                }
                memStream.Dispose();

                MemoryStream stream = new MemoryStream();
                bmp.Save(stream, System.Drawing.Imaging.ImageFormat.Bmp);
                imageDataNew = stream.ToArray();
            }
            catch (Exception ex)
            {
                string ErrorMsg = ex.Message.ToString();
                imageDataNew = imageData;
            }
            return(imageDataNew);
        }
Exemple #2
0
        public Bitmap CreateThumbnail(byte[] imageByte,
                                      bool maintainAspectRatio, int desiredWidth, int desiredHeight)
        {
            Bitmap bmp = null;

            MemoryStream memStream = new MemoryStream(imageByte);

            System.Drawing.Image img = System.Drawing.Image.FromStream(memStream);

            if (maintainAspectRatio)
            {
                AspectRatio aspectRatio = new AspectRatio();
                aspectRatio.WidthAndHeight(img.Width, img.Height,
                                           desiredWidth, desiredHeight);
                bmp = new Bitmap(img, aspectRatio.Width, aspectRatio.Height);
            }
            else
            {
                bmp = new Bitmap(img, desiredWidth, desiredHeight);
            }
            memStream.Dispose();

            return(bmp);
        }