Opentk/Source/Examples/OpenTK/Test/GameWindowStates.cs
the_fiddler 878dd4394c Disabled TextPrinter samples.
Removed TextPrinter references.
2009-08-17 09:32:50 +00:00

123 lines
4.6 KiB
C#

#region --- License ---
/* Copyright (c) 2006, 2007 Stefanos Apostolopoulos
* See license.txt for license info
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.Drawing;
using System.Threading;
using OpenTK;
using OpenTK.Graphics.OpenGL;
using OpenTK.Input;
namespace Examples.Tests
{
[Example("GameWindow states", ExampleCategory.OpenTK, "Test", Documentation="GameWindowStates")]
public class GameWindowStates : GameWindow
{
readonly Font TextFont = new Font(FontFamily.GenericSansSerif, 16);
readonly Bitmap TextBitmap = new Bitmap(512, 512);
int texture;
public GameWindowStates()
: base(800, 600)
{
VSync = VSyncMode.On;
Keyboard.KeyUp += KeyUpHandler;
WindowBorderChanged += WindowBorderOrStateChangedHandler;
WindowStateChanged += WindowBorderOrStateChangedHandler;
}
void KeyUpHandler(KeyboardDevice sender, Key key)
{
switch (key)
{
case OpenTK.Input.Key.Escape: this.Exit(); break;
case Key.Number1: WindowState = WindowState.Normal; break;
case Key.Number2: WindowState = WindowState.Maximized; break;
case Key.Number3: WindowState = WindowState.Fullscreen; break;
case Key.Number4: WindowState = WindowState.Minimized; break;
case Key.Number5: WindowBorder = WindowBorder.Resizable; break;
case Key.Number6: WindowBorder = WindowBorder.Fixed; break;
case Key.Number7: WindowBorder = WindowBorder.Hidden; break;
}
}
void WindowBorderOrStateChangedHandler(object sender, EventArgs e)
{
using (Graphics gfx = Graphics.FromImage(TextBitmap))
{
gfx.Clear(Color.MidnightBlue);
gfx.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
gfx.DrawString(String.Format("[1 - 4]: change WindowState (current: {0}).", this.WindowState), TextFont, Brushes.White, new PointF(0, 0));
gfx.DrawString(String.Format("[5 - 7]: change WindowBorder (current: {0}).", this.WindowBorder), TextFont, Brushes.White, new PointF(0, TextFont.Height));
}
System.Drawing.Imaging.BitmapData data = TextBitmap.LockBits(new Rectangle(0, 0, TextBitmap.Width, TextBitmap.Height),
System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexSubImage2D(TextureTarget.Texture2D, 0, 0, 0, TextBitmap.Width, TextBitmap.Height, PixelFormat.Bgra, PixelType.UnsignedByte, data.Scan0);
TextBitmap.UnlockBits(data);
}
public override void OnLoad(EventArgs e)
{
GL.ClearColor(Color.MidnightBlue);
GL.Enable(EnableCap.Texture2D);
texture = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, TextBitmap.Width, TextBitmap.Height, 0, PixelFormat.Bgra, PixelType.UnsignedByte, IntPtr.Zero);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)All.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)All.Nearest);
// Make sure text is displayed when the application starts.
WindowBorderOrStateChangedHandler(this, EventArgs.Empty);
}
protected override void OnResize(EventArgs e)
{
GL.Viewport(0, 0, Width, Height);
Matrix4 ortho_projection = Matrix4.CreateOrthographicOffCenter(0, Width, Height, 0, -1, 1);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(ref ortho_projection);
}
protected override void OnRenderFrame(FrameEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.Begin(BeginMode.Quads);
GL.TexCoord2(0, 0); GL.Vertex2(0, 0);
GL.TexCoord2(1, 0); GL.Vertex2(TextBitmap.Width, 0);
GL.TexCoord2(1, 1); GL.Vertex2(TextBitmap.Width, TextBitmap.Height);
GL.TexCoord2(0, 1); GL.Vertex2(0, TextBitmap.Height);
GL.End();
SwapBuffers();
Thread.Sleep(5);
}
public static void Main()
{
using (GameWindowStates ex = new GameWindowStates())
{
Utilities.SetWindowTitle(ex);
ex.Run(20.0);
}
}
}
}