Added the trunk/branches/tags directories at repository root, and moved previous root into trunk/

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/trunk@1002 4e206d99-4929-0410-ac5d-dfc041789085

dotnet/src/Graphics/Drawable.cs

@@ -0,0 +1,119 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace SFML
+{
+    namespace Graphics
+    {
+        ////////////////////////////////////////////////////////////
+        /// <summary>
+        /// Enumerate the blending modes available for drawable objects
+        /// </summary>
+        ////////////////////////////////////////////////////////////
+        public enum BlendMode
+        {
+            /// <summary>Pixel = Src * a + Dest * (1 - a)</summary>
+            Alpha,
+
+            /// <summary>Pixel = Src + Dest</summary>
+            Add,
+
+            /// <summary>Pixel = Src * Dest</summary>
+            Multiply,
+
+            /// <summary>No blending</summary>
+            None
+        }
+
+        ////////////////////////////////////////////////////////////
+        /// <summary>
+        /// Abstract base class for every object that can be drawn
+        /// into a render window
+        /// </summary>
+        ////////////////////////////////////////////////////////////
+        public abstract class Drawable : ObjectBase
+        {
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Position of the object on screen
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            public abstract Vector2 Position {get; set;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Rotation of the object, defined in degrees
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            public abstract float Rotation {get; set;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Vertical and horizontal scale of the object
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            public abstract Vector2 Scale {get; set;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Center of the transformation of the object
+            /// (center of translation, rotation and scale)
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            public abstract Vector2 Center {get; set;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Global color of the object
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            public abstract Color Color {get; set;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Blending mode of the object
+            /// </summary>
+            ////////////////////////////////////////////////////////////
+            public abstract BlendMode BlendMode {get; set;}
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Transform a point from global coordinates into local coordinates
+            /// (ie it applies the inverse of object's center, translation, rotation and scale to the point)
+            /// </summary>
+            /// <param name="point">Point to transform</param>
+            /// <returns>Transformed point</returns>
+            ////////////////////////////////////////////////////////////
+            public abstract Vector2 TransformToLocal(Vector2 point);
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Transform a point from local coordinates into global coordinates
+            /// (ie it applies the object's center, translation, rotation and scale to the point)
+            /// </summary>
+            /// <param name="point">Point to transform</param>
+            /// <returns>Transformed point</returns>
+            ////////////////////////////////////////////////////////////
+            public abstract Vector2 TransformToGlobal(Vector2 point);
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Render the object into the given render window
+            /// </summary>
+            /// <param name="window">Target window</param>
+            ////////////////////////////////////////////////////////////
+            internal abstract void Render(RenderWindow window);
+
+            ////////////////////////////////////////////////////////////
+            /// <summary>
+            /// Internal constructor, for derived classes
+            /// </summary>
+            /// <param name="thisPtr">Pointer to the object in C library</param>
+            ////////////////////////////////////////////////////////////
+            protected Drawable(IntPtr thisPtr) :
+                base(thisPtr)
+            {
+            }
+        }
+    }
+}