MouseCursor example.

Small example to show how the MouseCursor class can be used.

Source/Examples/OpenTK.Examples.csproj

@@ -146,6 +146,7 @@
       <SubType>Code</SubType>
     </Compile>
     <Compile Include="OpenGL\1.x\TextRendering.cs" />
+    <Compile Include="OpenTK\GameWindow\MouseCursorSimple.cs" />
     <Compile Include="OpenTK\Test\TestShaderUtf8Support.cs" />
     <Compile Include="SamplesTreeViewSorter.cs">
       <SubType>Code</SubType>
@@ -551,6 +552,7 @@
     <EmbeddedResource Include="OpenGL\1.x\OpenGLDiagnostics.rtf" />
     <EmbeddedResource Include="OpenGL\1.x\Anaglyph.rtf" />
     <EmbeddedResource Include="OpenGL\1.x\TextRendering.rtf" />
+    <EmbeddedResource Include="OpenTK\GameWindow\MouseCursorSimple.rtf" />
     <None Include="Resources\App.ico">
     </None>
     <None Include="..\OpenTK\OpenTK.dll.config">
@@ -635,6 +637,7 @@
     <Content Include="..\..\Dependencies\x86\SDL2.dll">
       <Link>Dependencies\x86\SDL2.dll</Link>
     </Content>
+    <Content Include="Data\Textures\cursor.png" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>

Source/Examples/OpenTK/GameWindow/MouseCursorSimple.cs

@@ -0,0 +1,155 @@
+// This code was written for the OpenTK library and has been released
+// to the Public Domain.
+// It is provided "as is" without express or implied warranty of any kind.
+
+using System;
+using System.Drawing;
+using OpenTK;
+using OpenTK.Graphics.OpenGL;
+using OpenTK.Input;
+
+namespace Examples.Tutorial
+{
+    /// <summary>
+    /// Demonstrates the MouseCursor class.
+    /// </summary>
+    [Example("MouseCursor Simple", ExampleCategory.OpenTK, "GameWindow", 1, Documentation = "MouseCursorSimple")]
+    public class MouseCursorSimple : GameWindow
+    {
+        public MouseCursorSimple()
+            : base(800, 600)
+        {
+            Keyboard.KeyDown += Keyboard_KeyDown;
+
+            Bitmap bitmap = new Bitmap("D:/VisualStudio/Projects/opentk/Source/Examples/Data/Textures/cursor.png");
+
+            var rgba = new byte[bitmap.Width * bitmap.Height * 4];
+            var data = bitmap.LockBits(
+                new Rectangle(0, 0, bitmap.Width, bitmap.Height), 
+                System.Drawing.Imaging.ImageLockMode.ReadOnly, 
+                System.Drawing.Imaging.PixelFormat.Format32bppArgb);
+
+            for (int y = 0; y < bitmap.Height; ++y)
+            {
+                var offset = new IntPtr(data.Scan0.ToInt64() + (data.Stride * y));
+                System.Runtime.InteropServices.Marshal.Copy(
+                    offset, rgba, y * 4, bitmap.Width * 4);
+            }
+
+            var cursor = new OpenTK.MouseCursor(rgba, bitmap.Width, bitmap.Height, 0, 0);
+
+            this.Cursor = cursor;
+        }
+
+        #region Keyboard_KeyDown
+
+        /// <summary>
+        /// Occurs when a key is pressed.
+        /// </summary>
+        /// <param name="sender">The KeyboardDevice which generated this event.</param>
+        /// <param name="e">The key that was pressed.</param>
+        void Keyboard_KeyDown(object sender, KeyboardKeyEventArgs e)
+        {
+            if (e.Key == Key.Escape)
+                this.Exit();
+
+            if (e.Key == Key.F11)
+                if (this.WindowState == WindowState.Fullscreen)
+                    this.WindowState = WindowState.Normal;
+                else
+                    this.WindowState = WindowState.Fullscreen;
+        }
+
+        #endregion
+
+        #region OnLoad
+
+        /// <summary>
+        /// Setup OpenGL and load resources here.
+        /// </summary>
+        /// <param name="e">Not used.</param>
+        protected override void OnLoad(EventArgs e)
+        {
+            GL.ClearColor(Color.MidnightBlue);
+        }
+
+        #endregion
+
+        #region OnResize
+
+        /// <summary>
+        /// Respond to resize events here.
+        /// </summary>
+        /// <param name="e">Contains information on the new GameWindow size.</param>
+        /// <remarks>There is no need to call the base implementation.</remarks>
+        protected override void OnResize(EventArgs e)
+        {
+            GL.Viewport(0, 0, Width, Height);
+
+            GL.MatrixMode(MatrixMode.Projection);
+            GL.LoadIdentity();
+            GL.Ortho(-1.0, 1.0, -1.0, 1.0, 0.0, 4.0);
+        }
+
+        #endregion
+
+        #region OnUpdateFrame
+
+        /// <summary>
+        /// Add your game logic here.
+        /// </summary>
+        /// <param name="e">Contains timing information.</param>
+        /// <remarks>There is no need to call the base implementation.</remarks>
+        protected override void OnUpdateFrame(FrameEventArgs e)
+        {
+            // Nothing to do!
+        }
+
+        #endregion
+
+        #region OnRenderFrame
+
+        /// <summary>
+        /// Add your game rendering code here.
+        /// </summary>
+        /// <param name="e">Contains timing information.</param>
+        /// <remarks>There is no need to call the base implementation.</remarks>
+        protected override void OnRenderFrame(FrameEventArgs e)
+        {
+            GL.Clear(ClearBufferMask.ColorBufferBit);
+
+            GL.Begin(PrimitiveType.Triangles);
+
+            GL.Color3(Color.MidnightBlue);
+            GL.Vertex2(-1.0f, 1.0f);
+            GL.Color3(Color.SpringGreen);
+            GL.Vertex2(0.0f, -1.0f);
+            GL.Color3(Color.Ivory);
+            GL.Vertex2(1.0f, 1.0f);
+
+            GL.End();
+
+            this.SwapBuffers();
+        }
+
+        #endregion
+        
+        #region public static void Main()
+
+        /// <summary>
+        /// Entry point of this example.
+        /// </summary>
+        [STAThread]
+        public static void Main()
+        {
+            using (MouseCursorSimple example = new MouseCursorSimple())
+            {
+                // Get the title and category  of this example using reflection.
+                Utilities.SetWindowTitle(example);
+                example.Run(30.0, 0.0);
+            }
+        }
+
+        #endregion
+    }
+}