Exemplo n.º 1
0
        public ActionResult Image(string imageFile, int?width, int?height, int?id)
        {
            var memoryStream = new MemoryStream();
            var image        = new Bitmap(ObjectsRepository.CatalogFolder + imageFile.Replace("___", "/"));

            if (width != null && height != null)
            {
                image = image.Clip10X15();
                image = image.ResizeImage(width.Value, height.Value);
            }
            if (id != null)
            {
                image = image.AddBluredRect(30);
                var htmlText = ObjectsRepository.GetObjectDescription(id.Value);
                if (!string.IsNullOrEmpty(htmlText))
                {
                    image = image.AddText(30, 0, htmlText);
                }
                //var backImage = new Bitmap(Server.MapPath("~\\Content\\images\\keyend.png"));
                //image = image.AddBackBitmap(backImage);
            }
            image.Save(memoryStream, ImageFormat.Jpeg);
            memoryStream.Seek(0, SeekOrigin.Begin);
            return(File(memoryStream, "image/jpeg"));
        }
Exemplo n.º 2
0
        public static Bitmap CombineBitmap(IEnumerable <string> files)
        {
            //read all images into memory
            List <Bitmap> images     = new List <Bitmap>();
            Bitmap        finalImage = null;

            try
            {
                int width  = 0;
                int height = 0;

                foreach (string filename in files)
                {
                    // create a Bitmap from the file and add it to the list
                    Bitmap bitmap = new Bitmap(filename);

                    // update the size of the final bitmap
                    width += bitmap.Width;
                    height = bitmap.Height > height ? bitmap.Height : height;

                    images.Add(bitmap);
                }

                // create a bitmap to hold the combined image
                finalImage = new Bitmap(width, height);

                // get a graphics object from the image so we can draw on it
                using (Graphics g = Graphics.FromImage(finalImage))
                {
                    // set background color
                    g.Clear(Color.Transparent);

                    // go through each image and draw it on th final image
                    foreach (Bitmap image in images)
                    {
                        g.DrawImage(image, new Rectangle(0, 0, image.Width, image.Height));
                    }
                }

                var destRect = new Rectangle(0, finalImage.Height / 3, finalImage.Width, finalImage.Height / 3);
                return(finalImage.AddBluredRect(destRect));
            }
            catch (Exception)
            {
                if (finalImage != null)
                {
                    finalImage.Dispose();
                }
                throw;
            }
            finally
            {
                // clean up memory
                foreach (Bitmap image in images)
                {
                    image.Dispose();
                }
            }
        }
Exemplo n.º 3
0
        public static Bitmap AddBluredRect(this Bitmap fromImage, decimal bottomPercent)
        {
            var destRect = new Rectangle(0, fromImage.Height - (int)(fromImage.Height * bottomPercent / 100), fromImage.Width, (int)(fromImage.Height * bottomPercent / 100));

            return(fromImage.AddBluredRect(destRect));
        }