Opentk/Source/Examples/Tests/GameWindowStates.cs

150 lines
5 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;
using OpenTK.Input;
namespace Examples.Tests
{
[Example("GameWindow states", ExampleCategory.Test)]
public class GameWindowStates : GameWindow
{
Font font = new Font(FontFamily.GenericSansSerif, 16.0f);
TextPrinter printer = new TextPrinter();
#region GetNext and GetPrevious methods for enums.
T GetNext<T>(T t)
{
if (!(t is Enum))
throw new ArgumentException(String.Format("Should be an Enum type (is {0}).", t.GetType().ToString()),
"t");
string[] names = Enum.GetNames(t.GetType());
T[] values = (T[])Enum.GetValues(t.GetType());
int current_index = Array.IndexOf(names, t.ToString());
if (current_index >= values.Length - 1)
return values[0];
else
return values[current_index + 1];
}
T GetPrevious<T>(T t)
{
if (!(t is Enum))
throw new ArgumentException(String.Format("Should be an Enum type (is {0}).", t.GetType().ToString()),
"t");
string[] names = Enum.GetNames(t.GetType());
T[] values = (T[])Enum.GetValues(t.GetType());
int current_index = Array.IndexOf(names, t.ToString());
if (current_index <= 0)
return values[values.Length - 1];
else
return values[current_index - 1];
}
#endregion
public GameWindowStates()
: base(800, 600)
{
this.VSync = VSyncMode.On;
this.Keyboard.KeyRepeat = true;
this.Keyboard.KeyUp += new OpenTK.Input.KeyUpEvent(Keyboard_KeyUp);
GL.ClearColor(System.Drawing.Color.MidnightBlue);
}
void Keyboard_KeyUp(KeyboardDevice sender, Key key)
{
switch (key)
{
case OpenTK.Input.Key.Escape:
this.Exit();
break;
case OpenTK.Input.Key.Number1:
if (sender[Key.ShiftLeft] || sender[Key.ShiftRight])
WindowState = GetPrevious(WindowState);
else if (sender[Key.AltLeft] || sender[Key.AltRight])
WindowState = GetNext(GetNext(WindowState));
else if (sender[Key.ControlLeft] || sender[Key.ControlRight])
WindowState = GetPrevious(GetPrevious(WindowState));
else
WindowState = GetNext(WindowState);
break;
case OpenTK.Input.Key.Number2:
if (sender[Key.ShiftLeft] || sender[Key.ShiftRight])
WindowBorder = GetPrevious(WindowBorder);
else
WindowBorder = GetNext(WindowBorder);
break;
case OpenTK.Input.Key.Number3:
if (this.WindowState == WindowState.Fullscreen)
this.WindowState = WindowState.Normal;
else
this.WindowState = WindowState.Fullscreen;
break;
}
}
protected override void OnResize(OpenTK.Platform.ResizeEventArgs e)
{
GL.Viewport(0, 0, Width, Height);
}
public override void OnRenderFrame(RenderFrameEventArgs e)
{
GL.Clear(ClearBufferMask.ColorBufferBit);
printer.Begin();
printer.Print("Instructions:", font, Color.White);
GL.Translate(0, font.Height, 0);
printer.Print(String.Format("1 - cycle through window styles (current: {0}).", this.WindowState), font, Color.White, RectangleF.Empty);
GL.Translate(0, font.Height, 0);
printer.Print(String.Format("2 - cycle through window borders (current: {0}).", this.WindowBorder), font, Color.White, RectangleF.Empty);
GL.Translate(0, font.Height, 0);
printer.Print(String.Format("3 - toggle fullscreen (current: {0}).",
this.WindowState == WindowState.Fullscreen ? "enabled" : "disabled"), font, Color.White, RectangleF.Empty);
printer.End();
SwapBuffers();
Thread.Sleep(5);
}
public static void Main()
{
using (GameWindowStates ex = new GameWindowStates())
{
Utilities.SetWindowTitle(ex);
ex.Run(20.0);
}
}
}
}