Class ManualMaskingArgs

public class ManualMaskingArgs : IMaskingArgs

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                // Define a manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.GraphicsPath manualMask = new Aspose.Imaging.GraphicsPath();
                                                                                                                                                                                                                                                Aspose.Imaging.Figure figure = new Aspose.Imaging.Figure();
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.EllipseShape(new RectangleF(50, 50, 40, 40)));
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.RectangleShape(new RectangleF(10, 20, 50, 30)));
                                                                                                                                                                                                                                                manualMask.AddFigure(figure);

                                                                                                                                                                                                                                                // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                // Set the manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.Masking.Options.ManualMaskingArgs args = new Aspose.Imaging.Masking.Options.ManualMaskingArgs();
                                                                                                                                                                                                                                                args.Mask = manualMask;

                                                                                                                                                                                                                                                using (RasterImage image = (RasterImage)Image.Load(dir + "Blue hills.png"))
                                                                                                                                                                                                                                                {
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                    // Use manual clustering algorithm.
                                                                                                                                                                                                                                                    maskingOptions.Method = Masking.Options.SegmentationMethod.Manual;

                                                                                                                                                                                                                                                    // All shapes making up a mask will be combined into one. 
                                                                                                                                                                                                                                                    maskingOptions.Decompose = false;
                                                                                                                                                                                                                                                    maskingOptions.Args = args;

                                                                                                                                                                                                                                                    // The backgroung color will be orange.
                                                                                                                                                                                                                                                    maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                    maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                    // The area of the source image that masking will be applied to.
                                                                                                                                                                                                                                                    maskingOptions.MaskingArea = new Rectangle(50, 50, 120, 120);

                                                                                                                                                                                                                                                    // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                    // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                    using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                    {
                                                                                                                                                                                                                                                        // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                        for (int i = 0; i < maskingResult.Length; i++)
                                                                                                                                                                                                                                                        {
                                                                                                                                                                                                                                                            string outputFileName = string.Format("Blue hills.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                            using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                            {
                                                                                                                                                                                                                                                                resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                }

public ManualMaskingArgs()

public GraphicsPath Mask { get; set; }

string dir = "c:\\temp\\";

                                                                                                                                                                                                                                                // Define a manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.GraphicsPath manualMask = new Aspose.Imaging.GraphicsPath();
                                                                                                                                                                                                                                                Aspose.Imaging.Figure figure = new Aspose.Imaging.Figure();
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.EllipseShape(new RectangleF(50, 50, 40, 40)));
                                                                                                                                                                                                                                                figure.AddShape(new Aspose.Imaging.Shapes.RectangleShape(new RectangleF(10, 20, 50, 30)));
                                                                                                                                                                                                                                                manualMask.AddFigure(figure);

                                                                                                                                                                                                                                                // Each cluster (segment) will be stored to a separate PNG file.
                                                                                                                                                                                                                                                Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions();
                                                                                                                                                                                                                                                exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha;
                                                                                                                                                                                                                                                exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream());

                                                                                                                                                                                                                                                // Set the manual mask.
                                                                                                                                                                                                                                                Aspose.Imaging.Masking.Options.ManualMaskingArgs args = new Aspose.Imaging.Masking.Options.ManualMaskingArgs();
                                                                                                                                                                                                                                                args.Mask = manualMask;

                                                                                                                                                                                                                                                using (RasterImage image = (RasterImage)Image.Load(dir + "Blue hills.png"))
                                                                                                                                                                                                                                                {
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions();

                                                                                                                                                                                                                                                    // Use manual clustering algorithm.
                                                                                                                                                                                                                                                    maskingOptions.Method = Masking.Options.SegmentationMethod.Manual;

                                                                                                                                                                                                                                                    // All shapes making up a mask will be combined into one. 
                                                                                                                                                                                                                                                    maskingOptions.Decompose = false;
                                                                                                                                                                                                                                                    maskingOptions.Args = args;

                                                                                                                                                                                                                                                    // The backgroung color will be orange.
                                                                                                                                                                                                                                                    maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Orange;
                                                                                                                                                                                                                                                    maskingOptions.ExportOptions = exportOptions;

                                                                                                                                                                                                                                                    // The area of the source image that masking will be applied to.
                                                                                                                                                                                                                                                    maskingOptions.MaskingArea = new Rectangle(50, 50, 120, 120);

                                                                                                                                                                                                                                                    // Create an instance of the ImageMasking class.
                                                                                                                                                                                                                                                    Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image);

                                                                                                                                                                                                                                                    // Divide the source image into several clusters (segments).
                                                                                                                                                                                                                                                    using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions))
                                                                                                                                                                                                                                                    {
                                                                                                                                                                                                                                                        // Obtain images from masking result and save them to PNG.
                                                                                                                                                                                                                                                        for (int i = 0; i < maskingResult.Length; i++)
                                                                                                                                                                                                                                                        {
                                                                                                                                                                                                                                                            string outputFileName = string.Format("Blue hills.Segment{0}.png", maskingResult[i].ObjectNumber);
                                                                                                                                                                                                                                                            using (Aspose.Imaging.Image resultImage = maskingResult[i].GetImage())
                                                                                                                                                                                                                                                            {
                                                                                                                                                                                                                                                                resultImage.Save(dir + outputFileName);
                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                }