protected internal override void OnRender(RenderEventArgs e)
{
base.OnRender(e);
e.Canvas.Color = Colors.Silver;
e.Canvas.DrawSquare(0, 0, 400, 300);
}
private void RenderControl(RenderEventArgs e, Control ctl)
{
if (ctl is Control2D)
{
Control2D c2d = (ctl as Control2D);
Internal.OpenGL.Methods.glMatrixMode(MatrixMode.ModelView);
Internal.OpenGL.Methods.glTranslated(c2d.Position.X, c2d.Position.Y, 0);
Internal.OpenGL.Methods.glTranslated(5, 1, 0);
}
BeforeRenderEventArgs bre = new BeforeRenderEventArgs(e.Canvas);
ctl.OnBeforeRender(bre);
if (bre.Cancel) return;
ctl.OnRender(e);
ctl.OnAfterRender(e);
if (ctl is Control2D)
{
Control2D c2d = (ctl as Control2D);
Internal.OpenGL.Methods.glMatrixMode(MatrixMode.ModelView);
Internal.OpenGL.Methods.glTranslated(-c2d.Position.X, -c2d.Position.Y, 0);
Internal.OpenGL.Methods.glTranslated(-5, -1, 0);
}
}
private static void _OnRender()
{
Window w = null;
if (mvarLastFullscreenWindow != null)
{
w = mvarLastFullscreenWindow;
}
else
{
int handle = Internal.FreeGLUT.Methods.glutGetWindow();
w = handleWindows[handle];
}
BeforeRenderEventArgs bre = new BeforeRenderEventArgs(w.Canvas);
RenderEventArgs re = new RenderEventArgs(w.Canvas);
Internal.OpenGL.Methods.glMatrixMode(MatrixMode.Projection);
Internal.OpenGL.Methods.glLoadIdentity();
Internal.OpenGL.Methods.glViewport(0, 0, w.Width, w.Height);
Internal.OpenGL.Methods.glOrtho(0, w.Width, w.Height, 0, -1, 1);
Internal.OpenGL.Methods.glMatrixMode(MatrixMode.ModelView);
Internal.OpenGL.Methods.glLoadIdentity();
Internal.OpenGL.Methods.glClearColor(w.BackgroundColor.Red, w.BackgroundColor.Green, w.BackgroundColor.Blue, w.BackgroundColor.Alpha);
Internal.OpenGL.Methods.glClear(Internal.OpenGL.Constants.GL_COLOR_BUFFER_BIT | Internal.OpenGL.Constants.GL_DEPTH_BUFFER_BIT);
w.OnBeforeRender(bre);
if (bre.Cancel) return;
bool depthtest = Internal.OpenGL.Methods.glIsEnabled(Internal.OpenGL.Constants.GLCapabilities.DepthTesting);
bool lighting = Internal.OpenGL.Methods.glIsEnabled(Internal.OpenGL.Constants.GLCapabilities.Lighting);
double ofsx = 1.0, ofsy = 11.0;
if (w.FullScreen)
{
ofsx = 0;
ofsy = -10;
}
foreach (Control ctl in w.Controls)
{
if (ctl.Visible)
{
if (ctl is Control2D)
{
// set up for 2D rendering
Caltron.Internal.OpenGL.Methods.glViewport(0, 0, w.Width, w.Height);
Control2D c2d = (ctl as Control2D);
Internal.OpenGL.Methods.glMatrixMode(MatrixMode.ModelView);
Internal.OpenGL.Methods.glLoadIdentity();
Internal.OpenGL.Methods.glTranslated((c2d.Position.X + ofsx), (c2d.Position.Y + ofsy), 0);
if (depthtest) Internal.OpenGL.Methods.glDisable(Internal.OpenGL.Constants.GLCapabilities.DepthTesting);
if (lighting) Internal.OpenGL.Methods.glDisable(Internal.OpenGL.Constants.GLCapabilities.Lighting);
}
ctl.OnBeforeRender(bre);
if (!bre.Cancel)
{
ctl.OnRender(re);
ctl.OnAfterRender(re);
}
if (ctl is Control2D)
{
Control2D c2d = (ctl as Control2D);
Internal.OpenGL.Methods.glMatrixMode(MatrixMode.ModelView);
Internal.OpenGL.Methods.glTranslated(-(c2d.Position.X + ofsx), -(c2d.Position.Y + ofsy), 0);
if (depthtest) Internal.OpenGL.Methods.glEnable(Internal.OpenGL.Constants.GLCapabilities.DepthTesting);
if (lighting) Internal.OpenGL.Methods.glEnable(Internal.OpenGL.Constants.GLCapabilities.Lighting);
}
}
}
w.OnAfterRender(re);
Internal.FreeGLUT.Methods.glutSwapBuffers();
}
protected internal override void OnRender(RenderEventArgs e)
{
base.OnRender(e);
List<Controls.Controls2D.Popup> popups = new List<Controls.Controls2D.Popup>();
foreach (Control ctl in mvarControls)
{
if (!ctl.Visible) continue;
if (ctl is Controls.Controls2D.Popup)
{
popups.Add(ctl as Controls.Controls2D.Popup);
continue;
}
RenderControl(e, ctl);
}
foreach (Controls.Controls2D.Popup popup in popups)
{
RenderControl(e, popup);
}
}
protected virtual void OnAfterRender(RenderEventArgs e)
{
if (AfterRender != null) AfterRender(this, e);
}