protected override RequestedAction LayoutImage(ImageState s) { if (s.sourceBitmap == null) { return(RequestedAction.None); } //Parse carve data bitmap if (!string.IsNullOrEmpty(s.settings["carve.data"])) { string[] parts = s.settings["carve.data"].Split('|'); //Parse block count and string var block_count = int.Parse(parts[0]); var carveString = new LzwDecoder("012").Decode(PathUtils.FromBase64UToBytes(parts[1])); float block_size = (int)Math.Floor(Math.Sqrt(s.originalSize.Width * s.originalSize.Height / (double)block_count)); var carveData = new CarveDataPlotter() { BlockCount = block_count, Stride = (int)Math.Ceiling((float)s.originalSize.Width / block_size), Rows = (int)Math.Ceiling((float)s.originalSize.Height / block_size) }; carveData.Init(carveString); Size remove = carveData.GetRemovalSpace(s.originalSize.Width, s.originalSize.Height, (int)block_size); if (remove.Width / s.originalSize.Width > remove.Height / s.originalSize.Height) { s.originalSize = new Size(s.originalSize.Width - remove.Width, s.originalSize.Height); } else { s.originalSize = new Size(s.originalSize.Width, s.originalSize.Height - remove.Height); } //Save later s.Data[CarveData] = carveData; } return(RequestedAction.None); }
protected override RequestedAction LayoutImage(ImageState s) { if (s.sourceBitmap == null) return RequestedAction.None; //Parse carve data bitmap if (!string.IsNullOrEmpty(s.settings["carve.data"])) { string[] parts = s.settings["carve.data"].Split('|'); //Parse block count and string var block_count = int.Parse(parts[0]); var carveString = new LzwDecoder("012").Decode(PathUtils.FromBase64UToBytes(parts[1])); float block_size = (int)Math.Floor(Math.Sqrt(s.originalSize.Width * s.originalSize.Height / (double)block_count)); var carveData = new CarveDataPlotter() { BlockCount=block_count, Stride = (int)Math.Ceiling((float)s.originalSize.Width / block_size), Rows = (int)Math.Ceiling((float)s.originalSize.Height / block_size) }; carveData.Init(carveString); Size remove = carveData.GetRemovalSpace(s.originalSize.Width,s.originalSize.Height,(int)block_size); if (remove.Width / s.originalSize.Width > remove.Height / s.originalSize.Height) { s.originalSize = new Size(s.originalSize.Width - remove.Width, s.originalSize.Height); } else { s.originalSize = new Size(s.originalSize.Width, s.originalSize.Height - remove.Height); } //Save later s.Data[CarveData] = carveData; } return RequestedAction.None; }
protected override RequestedAction PreRenderImage(ImageState s) { //Skip this when we are doing simulations if (s.destGraphics == null) { return(RequestedAction.None); } s.ApplyCropping(); s.EnsurePreRenderBitmap(); //Parse carve algorithm kind FilterType ftype = s.settings.Get <FilterType>("carve", FilterType.None); if ("true".Equals(s.settings["carve"], StringComparison.OrdinalIgnoreCase)) { ftype = FilterType.Prewitt; } if (string.IsNullOrEmpty(s.settings["carve"]) && s.settings.Mode == FitMode.Carve) { ftype = FilterType.Prewitt; } //If we have carve data CarveDataPlotter carveData = s.Data.ContainsKey(CarveData) ? (s.Data[CarveData] as CarveDataPlotter) : null; if (carveData != null && ftype == FilterType.None) { ftype = FilterType.Prewitt; } RectangleF copyRect = s.copyRect; if (carveData != null) { copyRect = new RectangleF(new PointF(0, 0), s.sourceBitmap.Size); } if (ftype == FilterType.None) { return(RequestedAction.None); //Only override rendering when carving is requested. } //The minimum dimensions of the temporary bitmap. SizeF targetSize = PolygonMath.getParallelogramSize(s.layout["image"]); targetSize = new SizeF((float)Math.Ceiling(targetSize.Width), (float)Math.Ceiling(targetSize.Height)); //The size of the temporary bitmap. //We want it larger than the size we'll use on the final copy, so we never upscale it //- but we also want it as small as possible so processing is fast. SizeF tempSize = PolygonMath.ScaleOutside(targetSize, copyRect.Size); int tempWidth = (int)Math.Ceiling(tempSize.Width); int tempHeight = (int)Math.Ceiling(tempSize.Height); //The intermediate and seam carved files string tempFile = Path.GetTempFileName(); string outputTempFile = Path.GetTempFileName(); try { try { //Create a temporary bitmap that is 'halfway resized', so we can efficiently perform seam carving. //Unless it's already been done for us by FreeImageResize or something if (s.preRenderBitmap != null && (tempWidth - s.preRenderBitmap.Width < 50 && tempHeight - s.preRenderBitmap.Height < 50)) { s.preRenderBitmap.Save(tempFile, ImageFormat.Bmp); tempWidth = s.preRenderBitmap.Width; tempHeight = s.preRenderBitmap.Height; } else { //Create the temporary bitmap and graphics. using (Bitmap temp = new Bitmap(tempWidth, tempHeight, PixelFormat.Format32bppArgb)) using (Graphics g = Graphics.FromImage(temp)) using (ImageAttributes ia = new ImageAttributes()) { //High quality everything g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic; g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality; g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality; g.CompositingMode = CompositingMode.SourceOver; ia.SetWrapMode(WrapMode.TileFlipXY); if (s.preRenderBitmap != null) { g.DrawImage(s.preRenderBitmap, new Rectangle(0, 0, tempWidth, tempHeight), 0, 0, s.preRenderBitmap.Width, s.preRenderBitmap.Height, GraphicsUnit.Pixel, ia); } else { g.DrawImage(s.sourceBitmap, new Rectangle(0, 0, tempWidth, tempHeight), copyRect.X, copyRect.Y, copyRect.Width, copyRect.Height, GraphicsUnit.Pixel, ia); } g.Flush(FlushIntention.Flush); //Save temp.Save(tempFile, ImageFormat.Bmp); } } string maskFile = carveData != null?Path.GetTempFileName() : null; try { if (carveData != null) { carveData.SaveBitmapAs(maskFile, tempWidth, tempHeight); } Size intTargetSize = new Size((int)targetSize.Width, (int)targetSize.Height); CairJob job = new CairJob(); if (maskFile != null) { job.WeightPath = maskFile; } job.SourcePath = tempFile; job.DestPath = outputTempFile; job.Size = intTargetSize; job.Filter = ftype; job.Timeout = Timeout; cair.CairyIt(job); } finally { if (maskFile != null) { File.Delete(maskFile); } } } finally { File.Delete(tempFile); } //Dispose old intermediate bitmap first if (s.preRenderBitmap != null) { s.preRenderBitmap.Dispose(); } //Load the new intermediate file from disk s.preRenderBitmap = new Bitmap(outputTempFile); s.preRenderBitmap.MakeTransparent(); //Reset the s.copyRect to match the new bitmap s.copyRect = new RectangleF(new PointF(0, 0), new SizeF(targetSize.Width, targetSize.Height)); } finally { File.Delete(outputTempFile); } return(RequestedAction.Cancel); }