Import Geant4 8.1.0 source tree

source/visualization/OpenGL/src/G4OpenGLImmediateWin32Viewer.cc

@@ -1,28 +1,31 @@
 //
 // ********************************************************************
-// * DISCLAIMER                                                       *
+// * License and Disclaimer                                           *
 // *                                                                  *
-// * The following disclaimer summarizes all the specific disclaimers *
-// * of contributors to this software. The specific disclaimers,which *
-// * govern, are listed with their locations in:                      *
-// *   http://cern.ch/geant4/license                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
 // *                                                                  *
 // * Neither the authors of this software system, nor their employing *
 // * institutes,nor the agencies providing financial support for this *
 // * work  make  any representation or  warranty, express or implied, *
 // * regarding  this  software system or assume any liability for its *
-// * use.                                                             *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
 // *                                                                  *
-// * This  code  implementation is the  intellectual property  of the *
-// * GEANT4 collaboration.                                            *
-// * By copying,  distributing  or modifying the Program (or any work *
-// * based  on  the Program)  you indicate  your  acceptance of  this *
-// * statement, and all its terms.                                    *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
 // ********************************************************************
 //
 //
-// $Id: G4OpenGLImmediateWin32Viewer.cc,v 1.10 2005/11/17 07:36:04 gcosmo Exp $
-// GEANT4 tag $Name: geant4-08-00 $
+// $Id: G4OpenGLImmediateWin32Viewer.cc,v 1.15 2006/06/29 21:19:04 gunter Exp $
+// GEANT4 tag $Name: geant4-08-01 $
 //
 // 
 // Class G4OpenGLImmediateWin32Viewer : a class derived from G4OpenGLWin32Viewer and
@@ -55,10 +58,8 @@ void G4OpenGLImmediateWin32Viewer::Initialise () {
 
   // If a double buffer context has been forced upon us, ignore the
   // back buffer for this OpenGLImmediate view.
-  if (doublebuffer) {
-    doublebuffer = false;
-    glDrawBuffer (GL_FRONT);
-  }
+  doublebuffer = false;
+  glDrawBuffer (GL_FRONT);
 
   // clear the buffers and window.
   ClearView ();
@@ -72,16 +73,8 @@ void G4OpenGLImmediateWin32Viewer::DrawView () {
 
   // If a double buffer context has been forced upon us, ignore the
   // back buffer for this OpenGLImmediate view.
-  if (doublebuffer) {
-    doublebuffer = false;
-    glDrawBuffer (GL_FRONT);
-  }
-
-  glClearColor (background.GetRed(),
-                background.GetGreen(),
-                background.GetBlue(),
-                1.);
-  glClearDepth (1.0);
+  doublebuffer = false;
+  glDrawBuffer (GL_FRONT);
 
   G4ViewParameters::DrawingStyle style = GetViewParameters().GetDrawingStyle();
 
@@ -89,7 +82,6 @@ void G4OpenGLImmediateWin32Viewer::DrawView () {
   //Win32 version needed
   //glXMakeCurrent (dpy, win, cx);
   glViewport (0, 0, WinSize_x, WinSize_y);
-  ClearView ();
 
   if(style!=G4ViewParameters::hlr &&
      haloing_enabled) {
@@ -109,4 +101,22 @@ void G4OpenGLImmediateWin32Viewer::DrawView () {
 
 }
 
+//////////////////////////////////////////////////////////////////////////////
+void G4OpenGLImmediateWin32Viewer::FinishView (
+) 
+//////////////////////////////////////////////////////////////////////////////
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
+{
+  if(!fHDC) return;
+
+  glFlush ();
+
+  // Empty the Windows message queue :
+  MSG event;
+  while ( ::PeekMessage(&event, NULL, 0, 0, PM_REMOVE) ) {
+    ::TranslateMessage(&event);
+    ::DispatchMessage (&event);
+  }
+}
+
 #endif