146 lines
4.7 KiB
C#
146 lines
4.7 KiB
C#
#region --- License ---
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/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
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* See license.txt for license info
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Diagnostics;
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using System.IO;
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using System.Drawing;
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using System.Drawing.Imaging;
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using OpenTK;
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using OpenTK.OpenGL;
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using OpenTK.Fonts;
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using OpenTK.OpenGL.Enums;
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namespace Examples.Tutorial
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{
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/// <summary>
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/// Demonstrates simple OpenGL Texturing.
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/// </summary>
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public class Textures : GameWindow, IExample
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{
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Bitmap bitmap = new Bitmap("Data\\metal.jpg");
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int texture;
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TextureFont sans = new TextureFont(new Font(FontFamily.GenericSansSerif, 24.0f));
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public Textures() : base(new DisplayMode(800, 600), "OpenTK | Tutorial 5: Texturing") { }
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#region OnLoad
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/// <summary>
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/// Setup OpenGL and load resources here.
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/// </summary>
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/// <param name="e">Not used.</param>
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public override void OnLoad(EventArgs e)
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{
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GL.ClearColor(Color.MidnightBlue);
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GL.Enable(EnableCap.Texture2d);
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GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Nicest);
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//bitmap = new OpenTK.Fonts.Renderer().bmp;
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//bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
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GL.GenTextures(1, out texture);
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GL.BindTexture(TextureTarget.Texture2d, texture);
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BitmapData data = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height),
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ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
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GL.TexImage2D(TextureTarget.Texture2d, 0, PixelInternalFormat.Three, bitmap.Width, bitmap.Height, 0,
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OpenTK.OpenGL.Enums.PixelFormat.Bgr, PixelType.UnsignedByte, data.Scan0);
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bitmap.UnlockBits(data);
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GL.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
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GL.TexParameter(TextureTarget.Texture2d, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
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}
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#endregion
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#region OnResize
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/// <summary>
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/// Respond to resize events here.
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/// </summary>
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/// <param name="e">Contains information on the new GameWindow size.</param>
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/// <remarks>There is no need to call the base implementation.</remarks>
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protected override void OnResize(OpenTK.Platform.ResizeEventArgs e)
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{
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GL.Viewport(0, 0, e.Width, e.Height);
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GL.MatrixMode(MatrixMode.Projection);
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GL.LoadIdentity();
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GL.Ortho(-1.0, 1.0, -1.0, 1.0, 0.0, 4.0);
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}
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#endregion
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#region OnUpdateFrame
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/// <summary>
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/// Add your game logic here.
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/// </summary>
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/// <param name="e">Contains timing information.</param>
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/// <remarks>There is no need to call the base implementation.</remarks>
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public override void OnUpdateFrame(UpdateFrameEventArgs e)
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{
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if (Keyboard[OpenTK.Input.Key.Escape])
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this.Exit();
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}
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#endregion
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#region OnRenderFrame
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/// <summary>
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/// Add your game rendering code here.
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/// </summary>
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/// <param name="e">Contains timing information.</param>
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/// <remarks>There is no need to call the base implementation.</remarks>
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public override void OnRenderFrame(RenderFrameEventArgs e)
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{
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GL.Clear(ClearBufferMask.ColorBufferBit);
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GL.LoadIdentity();
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GL.BindTexture(TextureTarget.Texture2d, texture);
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GL.Begin(BeginMode.Quads);
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GL.TexCoord2(0.0f, 1.0f); GL.Vertex2(-0.8f + 0.0375f, -0.8f + 0.0375f);
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GL.TexCoord2(1.0f, 1.0f); GL.Vertex2(0.8f + 0.0375f, -0.8f + 0.0375f);
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GL.TexCoord2(1.0f, 0.0f); GL.Vertex2(0.8f + 0.0375f, 0.8f + 0.0375f);
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GL.TexCoord2(0.0f, 0.0f); GL.Vertex2(-0.8f + 0.0375f, 0.8f + 0.0375f);
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GL.End();
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//sans.
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GL.Scale(2.0f / Width, 2.0f / Height, 1.0f);
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//sans.Print('A');
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SwapBuffers();
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}
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#endregion
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#region IExample Members
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/// <summary>
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/// Only used by the ExampleLauncher application, no need to add a Launch() method in your code.
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/// Add a call to Run() in your Main() function instead.
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/// </summary>
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public void Launch()
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{
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this.Run(10.0, 5.0);
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}
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#endregion
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public static readonly int order = 5;
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}
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}
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