Added RenderImage

Cleaned internal CSFML code
Synchronized with trunk

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1135 4e206d99-4929-0410-ac5d-dfc041789085

dotnet/src/Graphics/RenderTarget.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Security;
+using SFML.Window;
+
+namespace SFML
+{
+    namespace Graphics
+    {
+        ////////////////////////////////////////////////////////////
+        /// <summary>
+        /// Abstract base class for render targets (renderwindow, renderimage)
+        /// </summary>
+        ////////////////////////////////////////////////////////////
+        public interface RenderTarget
+        {
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Width of the rendering region of the window
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            uint Width {get;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Height of the rendering region of the window
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            uint Height {get;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Default view of the window
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            View DefaultView {get;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Current view active in the window
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            View CurrentView {get;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Tell SFML to preserve external OpenGL states, at the expense of
+            /// more CPU charge. Use this function if you don't want SFML
+            /// to mess up your own OpenGL states (if any).
+            /// Don't enable state preservation if not needed, as it will allow
+            /// SFML to do internal optimizations and improve performances.
+            /// This parameter is false by default
+            /// </summary>
+            /// <param name="preserve">True to preserve OpenGL states, false to let SFML optimize</param>
+            ////////////////////////////////////////////////////////////
+            void PreserveOpenGLStates(bool preserve);
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Clear the entire window with black color
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            void Clear();
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Clear the entire window with a single color
+            /// </summary>
+            /// <param name="color">Color to use to clear the window</param>
+            ////////////////////////////////////////////////////////////
+            void Clear(Color color);
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Draw something into the window
+            /// </summary>
+            /// <param name="objectToDraw">Object to draw</param>
+            ////////////////////////////////////////////////////////////
+            void Draw(Drawable objectToDraw);
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Apply a post-fx to the window
+            /// </summary>
+            /// <param name="postFx">PostFx to apply</param>
+            ////////////////////////////////////////////////////////////
+            void Draw(PostFx postFx);
+        }
+    }
+}