C# ISurface类代码示例

        public ImageEditorForm(ISurface iSurface, bool outputMade)
        {
            editorList.Add(this);

            //
            // The InitializeComponent() call is required for Windows Forms designer support.
            //
            ManualLanguageApply = true;
            InitializeComponent();

            Load += delegate {
                var thread = new Thread(delegate() {AddDestinations();});
                thread.Name = "add destinations";
                thread.Start();
            };

            // Make sure the editor is placed on the same location as the last editor was on close
            WindowDetails thisForm = new WindowDetails(Handle);
            thisForm.WindowPlacement = editorConfiguration.GetEditorPlacement();

            // init surface
            Surface = iSurface;
            // Intial "saved" flag for asking if the image needs to be save
            surface.Modified = !outputMade;

            updateUI();

            // Workaround: As the cursor is (mostly) selected on the surface a funny artifact is visible, this fixes it.
            hideToolstripItems();
        }

		/// <summary>
		/// Do the actual upload to Picasa
		/// </summary>
		/// <param name="surfaceToUpload">Image to upload</param>
		/// <param name="outputSettings"></param>
		/// <param name="title"></param>
		/// <param name="filename"></param>
		/// <returns>PicasaResponse</returns>
		public static string UploadToPicasa(ISurface surfaceToUpload, SurfaceOutputSettings outputSettings, string title, string filename) {
			// Fill the OAuth2Settings
			OAuth2Settings settings = new OAuth2Settings();
			settings.AuthUrlPattern = AuthUrl;
			settings.TokenUrl = TokenUrl;
			settings.CloudServiceName = "Picasa";
			settings.ClientId = PicasaCredentials.ClientId;
			settings.ClientSecret = PicasaCredentials.ClientSecret;
			settings.AuthorizeMode = OAuth2AuthorizeMode.LocalServer;

			// Copy the settings from the config, which is kept in memory and on the disk
			settings.RefreshToken = Config.RefreshToken;
			settings.AccessToken = Config.AccessToken;
			settings.AccessTokenExpires = Config.AccessTokenExpires;

			try {
				var webRequest = OAuth2Helper.CreateOAuth2WebRequest(HTTPMethod.POST, string.Format(UploadUrl, Config.UploadUser, Config.UploadAlbum), settings);
				if (Config.AddFilename) {
					webRequest.Headers.Add("Slug", NetworkHelper.EscapeDataString(filename));
				}
				SurfaceContainer container = new SurfaceContainer(surfaceToUpload, outputSettings, filename);
				container.Upload(webRequest);
				
				string response = NetworkHelper.GetResponseAsString(webRequest);

				return ParseResponse(response);
			} finally {
				// Copy the settings back to the config, so they are stored.
				Config.RefreshToken = settings.RefreshToken;
				Config.AccessToken = settings.AccessToken;
				Config.AccessTokenExpires = settings.AccessTokenExpires;
				Config.IsDirty = true;
				IniConfig.Save();
			}
		}

		/// <summary>
		/// Render the effect from the source surface to the destination surface.
		/// </summary>
		/// <param name="src">The source surface.</param>
		/// <param name="dst">The destination surface.</param>
		public virtual void Render (ISurface src, ISurface dst)
		{
			if (src.Bounds != dst.Bounds)
				throw new InvalidOperationException ("Source and destination surfaces must be the same size.");

			Render (src, dst, src.Bounds);
		}

		protected unsafe override void RenderLine (ISurface src, ISurface dest, Rectangle rect)
		{
			for (int y = rect.Top; y <= rect.Bottom; ++y) {
				int yEnd = y + 1;

				for (int x = rect.Left; x <= rect.Right; ++x) {
					var cellRect = GetCellBox (x, y, cell_size);
					cellRect.Intersect (dest.Bounds);
					var color = ComputeCellColor (x, y, src, cell_size, src.Bounds);

					int xEnd = Math.Min (rect.Right, cellRect.Right);
					yEnd = Math.Min (rect.Bottom, cellRect.Bottom);

					for (int y2 = y; y2 <= yEnd; ++y2) {
						ColorBgra* ptr = dest.GetPointAddress (x, y2);

						for (int x2 = x; x2 <= xEnd; ++x2) {
							ptr->Bgra = color.Bgra;
							++ptr;
						}
					}

					x = xEnd;
				}

				y = yEnd;
			}
		}

		public Task ApplyAsync (ISurface src, ISurface dst)
		{
			if (dst.Size != src.Size)
				throw new ArgumentException ("dst.Size != src.Size");

			return ApplyAsync (src, dst, dst.Bounds, CancellationToken.None);
		}

		public void Apply (ISurface src, ISurface dst)
		{
			if (dst.Size != src.Size)
				throw new ArgumentException ("dst.Size != src.Size");

			ApplyLoop (src, dst, dst.Bounds, CancellationToken.None, null);
		}

 public static void Initialize(         
  IConsole console,
  ISurface surface,
  IStyle style,
  IDrawings drawing,
  IShapes shapes,
  IImages images,
  IControls controls,
  ISounds sounds,         
  IKeyboard keyboard,
  IMouse mouse,
  ITimer timer,
  IFlickr flickr,
  ISpeech speech,
  CancellationToken token)
 {
     TextWindow.Init(console);
      Desktop.Init(surface);
      GraphicsWindow.Init(style, surface, drawing, keyboard, mouse);
      Shapes.Init(shapes);
      ImageList.Init(images);
      Turtle.Init(surface, drawing, shapes);
      Controls.Init(controls);
      Sound.Init(sounds);
      Timer.Init(timer);
      Stack.Init();
      Flickr.Init(flickr);
      Speech.Init(speech);
      Program.Init(token);
 }

		public override ExportInformation ExportCapture(bool manuallyInitiated, ISurface surface, ICaptureDetails captureDetails) {
			ExportInformation exportInformation = new ExportInformation(this.Designation, this.Description);
			SurfaceOutputSettings outputSettings = new SurfaceOutputSettings();

			
			if (presetCommand != null) {
				if (!config.runInbackground.ContainsKey(presetCommand)) {
					config.runInbackground.Add(presetCommand, true);
				}
				bool runInBackground = config.runInbackground[presetCommand];
				string fullPath = captureDetails.Filename;
				if (fullPath == null) {
					fullPath = ImageOutput.SaveNamedTmpFile(surface, captureDetails, outputSettings);
				}

				string output;
				string error;
				if (runInBackground) {
					Thread commandThread = new Thread(delegate() {
						CallExternalCommand(exportInformation, presetCommand, fullPath, out output, out error);
						ProcessExport(exportInformation, surface);
					});
					commandThread.Name = "Running " + presetCommand;
					commandThread.IsBackground = true;
					commandThread.SetApartmentState(ApartmentState.STA);
					commandThread.Start();
					exportInformation.ExportMade = true;
				} else {
					CallExternalCommand(exportInformation, presetCommand, fullPath, out output, out error);
					ProcessExport(exportInformation, surface);
				}
			}
			return exportInformation;
		}

		protected unsafe override void RenderLine (ISurface src, ISurface dest, Rectangle roi)
		{
			float redAdjust = 1.0f + (warmth / 100.0f);
			float blueAdjust = 1.0f - (warmth / 100.0f);

			this.blur_effect.Render (src, dest, roi);
			this.bac_adjustment.Render (src, dest, roi);

			for (int y = roi.Top; y <= roi.Bottom; ++y) {
				ColorBgra* srcPtr = src.GetPointAddress (roi.X, y);
				ColorBgra* dstPtr = dest.GetPointAddress (roi.X, y);

				for (int x = roi.Left; x <= roi.Right; ++x) {
					ColorBgra srcGrey = this.desaturate_op.Apply (*srcPtr);

					srcGrey.R = Utility.ClampToByte ((int)((float)srcGrey.R * redAdjust));
					srcGrey.B = Utility.ClampToByte ((int)((float)srcGrey.B * blueAdjust));

					ColorBgra mypixel = this.overlay_op.Apply (srcGrey, *dstPtr);
					*dstPtr = mypixel;

					++srcPtr;
					++dstPtr;
				}
			}
		}

		protected override void OnBeginRender (ISurface src, ISurface dst, Rectangle roi)
		{
			var histogram = new HistogramRgb ();
			histogram.UpdateHistogram (src, src.Bounds);

			op = histogram.MakeLevelsAuto ();
		}

 public SurfacePlot(ISurface surface, double a1, double b1, int n1, double a2, double b2, int n2, params IFunctionPlotStyle[] styles)
 {
     Surface = surface;
     Segment1 = new FunctionPlotSegment(a1, b1, n1);
     Segment2 = new FunctionPlotSegment(a2, b2, n2);
     Properties = new PlotProperties(styles);
 }

		public Task ApplyAsync (ISurface src, ISurface dst, CancellationToken token)
		{
			if (src.Bounds != dst.Bounds)
				throw new InvalidOperationException ("Source and destination surfaces must be the same size or use an overload with a specified bounds.");

			return ApplyAsync (src, dst, src.Bounds, token);
		}

		public void Apply (ISurface src, ISurface dst)
		{
			if (src.Bounds != dst.Bounds)
				throw new InvalidOperationException ("Source and destination surfaces must be the same size or use an overload with a specified bounds.");

			Apply (src, dst, src.Bounds);
		}

        public override ExportInformation ExportCapture(bool manuallyInitiated, ISurface surface, ICaptureDetails captureDetails)
        {
            _log.Debug("Start capture export to oo.vg");

            try
            {
                string uploadUrl;

                var exportInformation = new ExportInformation(this.Designation, this.Description)
                {
                    ExportMade = UploadImage(captureDetails, surface, out uploadUrl),
                    Uri = uploadUrl
                };

                ProcessExport(exportInformation, surface);

                if (exportInformation.ExportMade)
                {
                    Clipboard.SetText(uploadUrl);
                }

                return exportInformation;
            }
            finally
            {
                _log.Debug("Export to oo.vg complete");
            }
        }

        public ImageEditorForm(ISurface iSurface, bool outputMade)
        {
            EditorList.Add(this);

            InitializeComponent();

            if (EditorConfiguration.MatchSizeToCapture)
            {
                RECT lastPosition = EditorConfiguration.GetEditorPlacement().NormalPosition;
                this.StartPosition = FormStartPosition.Manual;
                this.Location = new Point(lastPosition.Left, lastPosition.Top);
            }
            else
            {
                Load += delegate
                {
                    //Make sure the editor is placed on the same location as the last editor was on close
                    WindowDetails thisForm = new WindowDetails(Handle)
                    {
                        WindowPlacement = EditorConfiguration.GetEditorPlacement()
                    };
                };
            }

            // init surface
            Surface = iSurface;
            // Intial "saved" flag for asking if the image needs to be save
            _surface.Modified = !outputMade;

            UpdateUi();

            // Workaround: As the cursor is (mostly) selected on the surface a funny artifact is visible, this fixes it.
            //HideToolstripItems();
        }