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/samples/post-fx/PostFx.cs

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+using System;
+using System.Collections.Generic;
+using SFML;
+using SFML.Graphics;
+using SFML.Window;
+
+namespace sample_postfx
+{
+    static class Program
+    {
+        private static Dictionary<string, PostFx>            Effects;
+        private static Dictionary<string, PostFx>.Enumerator CurrentEffect;
+        private static String2D                              CurFXStr;
+
+        /// <summary>
+        /// The main entry point for the application.
+        /// </summary>
+        static void Main()
+        {
+            // Create the main window
+            RenderWindow App = new RenderWindow(new VideoMode(800, 600), "SFML.Net PostFX");
+
+            // Setup event handlers
+            App.Closed     += new EventHandler(OnClosed);
+            App.KeyPressed += new EventHandler<KeyEventArgs>(OnKeyPressed);
+
+            // Check that the system can use post effects
+            if (PostFx.CanUsePostFX == false)
+            {
+                DisplayError(App);
+                return;
+            }
+
+            // Load a cute background image to display :)
+            Sprite Background = new Sprite(new Image("datas/post-fx/background.jpg"));
+
+            // Load the text font
+            Font Cheeseburger = new Font("datas/post-fx/cheeseburger.ttf");
+
+            // Load the image needed for the wave effect
+            Image WaveImage = new Image("datas/post-fx/wave.jpg");
+
+            // Load all effects
+            Effects = new Dictionary<string, PostFx>();
+            Effects["nothing"]  = new PostFx("datas/post-fx/nothing.sfx");
+            Effects["blur"]     = new PostFx("datas/post-fx/blur.sfx");
+            Effects["colorize"] = new PostFx("datas/post-fx/colorize.sfx");
+            Effects["fisheye"]  = new PostFx("datas/post-fx/fisheye.sfx");
+            Effects["wave"]     = new PostFx("datas/post-fx/wave.sfx");
+            CurrentEffect = Effects.GetEnumerator();
+            CurrentEffect.MoveNext();
+
+            // Do specific initializations
+            Effects["nothing"].SetTexture("framebuffer", null);
+            Effects["blur"].SetTexture("framebuffer", null);
+            Effects["blur"].SetParameter("offset", 0.0F);
+            Effects["colorize"].SetTexture("framebuffer", null);
+            Effects["colorize"].SetParameter("color", 1.0F, 1.0F, 1.0F);
+            Effects["fisheye"].SetTexture("framebuffer", null);
+            Effects["wave"].SetTexture("framebuffer", null);
+            Effects["wave"].SetTexture("wave", WaveImage);
+
+            // Define a string for displaying current effect description
+            CurFXStr = new String2D();
+            CurFXStr.Text = "Current effect is \"" + CurrentEffect.Current.Key + "\"";
+            CurFXStr.Font = Cheeseburger;
+            CurFXStr.Position = new Vector2(20.0F, 0.0F);
+
+            // Define a string for displaying help
+            String2D InfoStr = new String2D();
+            InfoStr.Text = "Move your mouse to change the effect parameters\nPress numpad + to change effect\nWarning : some effects may not work\ndepending on your graphics card";
+            InfoStr.Font = Cheeseburger;
+            InfoStr.Position = new Vector2(20.0F, 460.0F);
+            InfoStr.Color = new Color(200, 100, 150);
+
+            // Start the game loop
+            while (App.IsOpened())
+            {
+                // Process events
+                App.DispatchEvents();
+
+                // Get the mouse position in the range [0, 1]
+                float X = App.Input.GetMouseX() / (float)App.Width;
+                float Y = App.Input.GetMouseY() / (float)App.Height;
+
+                // Update the current effect
+                if      (CurrentEffect.Current.Key == "blur")     CurrentEffect.Current.Value.SetParameter("offset", X * Y * 0.1f);
+                else if (CurrentEffect.Current.Key == "colorize") CurrentEffect.Current.Value.SetParameter("color", 0.3f, X, Y);
+                else if (CurrentEffect.Current.Key == "fisheye")  CurrentEffect.Current.Value.SetParameter("mouse", X, 1.0F - Y);
+                else if (CurrentEffect.Current.Key == "wave")     CurrentEffect.Current.Value.SetParameter("offset", X, Y);
+
+                // Clear the window
+                App.Clear();
+
+                // Draw background and apply the post-fx
+                App.Draw(Background);
+                App.Draw(CurrentEffect.Current.Value);
+
+                // Draw interface strings
+                App.Draw(CurFXStr);
+                App.Draw(InfoStr);
+
+                // Finally, display the rendered frame on screen
+                App.Display();
+            }
+        }
+
+        /// <summary>
+        /// Fonction called when the post-effects are not supported ;
+        /// Display an error message and wait until the user exits
+        /// </summary>
+        private static void DisplayError(RenderWindow App)
+        {
+            // Define a string for displaying the error message
+            String2D ErrorStr = new String2D("Sorry, your system doesn't support post-effects");
+            ErrorStr.Position = new Vector2(100.0F, 250.0F);
+            ErrorStr.Color = new Color(200, 100, 150);
+
+            // Start the game loop
+            while (App.IsOpened())
+            {
+                // Process events
+                App.DispatchEvents();
+
+                // Clear the window
+                App.Clear();
+
+                // Draw the error message
+                App.Draw(ErrorStr);
+
+                // Finally, display the rendered frame on screen
+                App.Display();
+            }
+        }
+
+        /// <summary>
+        /// Function called when the window is closed
+        /// </summary>
+        static void OnClosed(object sender, EventArgs e)
+        {
+            RenderWindow window = (RenderWindow)sender;
+            window.Close();
+        }
+
+        /// <summary>
+        /// Function called when a key is pressed
+        /// </summary>
+        static void OnKeyPressed(object sender, KeyEventArgs e)
+        {
+            RenderWindow window = (RenderWindow)sender;
+            if (e.Code == KeyCode.Escape)
+            {
+                // Close the window
+                window.Close();
+            }
+            else if (e.Code == KeyCode.Add)
+            {
+                // Advance to the next effect
+                if (CurrentEffect.MoveNext() == false)
+                {
+                    CurrentEffect = Effects.GetEnumerator();
+                    CurrentEffect.MoveNext();
+                }
+                CurFXStr.Text = "Current effect is \"" + CurrentEffect.Current.Key + "\"";
+            }
+        }
+    }
+}