Re: [osg-users] osgDotNet and Windows Forms

[Jason Beverage]

Hi Christoffer,

Here is a simple control that uses TAO to display an OSG window that I've
used for testing.

Thanks!

Jason


On 9/18/07, Christoffer Markusson <[EMAIL PROTECTED]> wrote:
>
> I'm using OSG together with C# in Visual Studio 2005 using the osgDotNet
> wrappers.
>
> Is there an easy way to integrate and display an OSG window in a Windows
> Form? Does anyone have example code?
>
> Christoffer
>
> _______________________________________________
> osg-users mailing list
> osg-users@lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
>

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;


using Tao.Platform.Windows;
using OsgViewer;
using OsgGA;

namespace OSGTesting
{
  public partial class OSGControl : SimpleOpenGlControl
  {
    public OSGControl()
    {
      InitializeComponent();
      InitializeContexts();

      _gw = _viewer.setUpViewerAsEmbeddedInWindow(0, 0, Width, Height);
      _viewer.setCameraManipulator(new TrackballManipulator());
      _viewer.realize();
    }

    public Viewer Viewer
    {
      get {return _viewer;}
    }

    protected override void OnMouseMove(MouseEventArgs e)
    {
      if (!DesignMode)
      {
        _gw.getEventQueue().mouseMotion(e.X, e.Y);
      }
      base.OnMouseMove(e);
    }


    protected override void OnKeyPress(KeyPressEventArgs e)
    {
      if (!DesignMode)
      {
        _gw.getEventQueue().keyPress((int)e.KeyChar);
      }
      base.OnKeyPress(e);
    }

    protected override void OnMouseDown(MouseEventArgs e)
    {
      _gw.getEventQueue().mouseButtonPress(e.X, e.Y, ConvertMouse(e.Button));
      base.OnMouseDown(e);
    }

    protected override void OnMouseUp(MouseEventArgs e)
    {
      _gw.getEventQueue().mouseButtonRelease(e.X, e.Y, ConvertMouse(e.Button));
      base.OnMouseUp(e);
    }

    protected override void OnResize(EventArgs e)
    {
      if (!DesignMode && _gw != null)
      {
        _gw.getEventQueue().windowResize(0, 0, ClientSize.Width, 
ClientSize.Height);
        _gw.resized(0, 0, Width, Height);
      }
      base.OnResize(e);
    }

    private void OSGControl_Paint(object sender, PaintEventArgs e)
    {
      if (!DesignMode)
      {
        _viewer.frame(_timer.time_s());
      }
    }

    private static uint ConvertMouse(MouseButtons button)
    {
      uint result = 0;
      switch (button)
      {
        case MouseButtons.Left: result = 1; break;
        case MouseButtons.Middle: result = 2; break;
        case MouseButtons.Right: result = 3; break;
      }
      return result;
    }

    private Osg.Timer _timer = new Osg.Timer();
    private GraphicsWindow _gw;
    private Viewer _viewer = new Viewer();
  }
}

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