/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnSizeChanged(EventArgs e)
{
base.OnSizeChanged(e);
int width = this.Width, height = this.Height;
if (width > 0 && height > 0)
{
FBORenderContext renderContext = this.renderContext;
if (renderContext != null)
{
renderContext.MakeCurrent();
renderContext.SetDimensions(width, height);
OpenGL.Viewport(0, 0, width, height);
if (this.designMode)
{
GLCanvasHelper.ResizeGL(width, height);
}
this.Invalidate();
}
}
}
void ISupportInitialize.EndInit()
{
int width = this.Width, height = this.Height;
if (this.designMode)
{
this.assist.Resize(width, height);
}
else
{
this.KeyPress += WinGLCanvas_KeyPress;
this.MouseDown += WinGLCanvas_MouseDown;
this.MouseMove += WinGLCanvas_MouseMove;
this.MouseUp += WinGLCanvas_MouseUp;
this.MouseWheel += WinGLCanvas_MouseWheel;
this.KeyDown += WinGLCanvas_KeyDown;
this.KeyUp += WinGLCanvas_KeyUp;
}
// Create the render context.
const short bitDepth = 32;
var renderContext = new FBORenderContext(width, height, bitDepth);
renderContext.MakeCurrent();
this.renderContext = renderContext;
// Set the most basic OpenGL styles.
GL.Instance.ShadeModel(GL.GL_SMOOTH);
GL.Instance.ClearDepth(1.0f);
GL.Instance.Enable(GL.GL_DEPTH_TEST);// depth test is disabled by default.
GL.Instance.DepthFunc(GL.GL_LEQUAL);
GL.Instance.Hint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
}
private void DestroyRenderContext()
{
FBORenderContext renderContext = this.renderContext;
if (renderContext != null)
{
this.renderContext = null;
renderContext.Dispose();
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(PaintEventArgs e)
{
FBORenderContext renderContext = this.renderContext;
if (renderContext == null)
{
base.OnPaint(e);
return;
}
stopWatch.Reset();
stopWatch.Start();
// Make sure it's our instance of openSharpGL that's active.
renderContext.MakeCurrent();
if (this.designMode)
{
try
{
DesignModeRendering();
}
catch (Exception)
{
}
}
else
{
// If there is a draw handler, then call it.
DoOpenGLDraw(e);
}
// Blit our offscreen bitmap.
Graphics graphics = e.Graphics;
IntPtr deviceContext = graphics.GetHdc();
renderContext.Blit(deviceContext);
graphics.ReleaseHdc(deviceContext);
stopWatch.Stop();
{
ErrorCode error = (ErrorCode)OpenGL.GetError();
if (error != ErrorCode.NoError)
{
Debug.WriteLine(string.Format("{0}: OpenGL error: {1}", this.fullname, error));
}
}
this.FPS = 1000.0 / stopWatch.Elapsed.TotalMilliseconds;
}
/// <summary>
///
/// </summary>
protected virtual void CreateRenderContext()
{
// Initialises OpenGL.
var renderContext = new FBORenderContext();
// Create the render context.
renderContext.Create(Width, Height, 32, null);
this.RenderContext = renderContext;
renderContext.MakeCurrent();
// Set the most basic OpenGL styles.
GL.Instance.ShadeModel(GL.GL_SMOOTH);
GL.Instance.ClearDepth(1.0f);
GL.Instance.Enable(GL.GL_DEPTH_TEST);// depth test is disabled by default.
GL.Instance.DepthFunc(GL.GL_LEQUAL);
GL.Instance.Hint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_NICEST);
}
private void CreateRenderContext()
{
// Initialises OpenGL.
var renderContext = new FBORenderContext();
// Create the render context.
renderContext.Create(OpenGLVersion, Width, Height, 32, null);
this.renderContext = renderContext;
renderContext.MakeCurrent();
// Set the most basic OpenGL styles.
OpenGL.ShadeModel(OpenGL.GL_SMOOTH);
// 天蓝色背景
OpenGL.ClearColor(0x87 / 255.0f, 0xce / 255.0f, 0xeb / 255.0f, 0xff / 255.0f);
OpenGL.ClearDepth(1.0f);
OpenGL.Enable(OpenGL.GL_DEPTH_TEST);
OpenGL.DepthFunc(OpenGL.GL_LEQUAL);
OpenGL.Hint(OpenGL.GL_PERSPECTIVE_CORRECTION_HINT, OpenGL.GL_NICEST);
}
/// <summary>
///
/// </summary>
protected virtual void CreateRenderContext()
{
// Initialises OpenGL.
var renderContext = new FBORenderContext();
// Create the render context.
renderContext.Create(Width, Height, 32, null);
this.renderContext = renderContext;
renderContext.MakeCurrent();
// Set the most basic OpenGL styles.
OpenGL.ShadeModel(OpenGL.GL_SMOOTH);
OpenGL.ClearDepth(1.0f);
OpenGL.Enable(OpenGL.GL_DEPTH_TEST);
OpenGL.DepthFunc(OpenGL.GL_LEQUAL);
OpenGL.Hint(OpenGL.GL_PERSPECTIVE_CORRECTION_HINT, OpenGL.GL_NICEST);
if (this.designMode)
{
GLCanvasHelper.ResizeGL(this.Width, this.Height);
}
}
/// <summary>
///
/// </summary>
protected virtual void CreateRenderContext()
{
// Initialises OpenGL.
var renderContext = new FBORenderContext();
// Create the render context.
renderContext.Create(Width, Height, 32, null);
this.renderContext = renderContext;
renderContext.MakeCurrent();
// Set the most basic OpenGL styles.
OpenGL.ShadeModel(OpenGL.GL_SMOOTH);
OpenGL.ClearDepth(1.0f);
OpenGL.Enable(OpenGL.GL_DEPTH_TEST);
OpenGL.DepthFunc(OpenGL.GL_LEQUAL);
OpenGL.Hint(OpenGL.GL_PERSPECTIVE_CORRECTION_HINT, OpenGL.GL_NICEST);
if (this.designMode)
{
GLCanvasHelper.ResizeGL(this.Width, this.Height);
}
}
private void DestroyRenderContext()
{
FBORenderContext renderContext = this.renderContext;
if (renderContext != null)
{
this.renderContext = null;
renderContext.Dispose();
}
}