//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * 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 *
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// ********************************************************************
//
#ifdef G4VIS_BUILD_OI_DRIVER

/*----------------------------HEPVis----------------------------------------*/
/*                                                                          */
/* Node:             SoGL2PSAction                                          */
/* Author:           Guy Barrand                                            */
/*                                                                          */
/*--------------------------------------------------------------------------*/

#define G4DEBUG_VIS_OGL 1

// this :
#include <HEPVis/actions/SoGL2PSAction.h>

// Inventor :
#include <Inventor/elements/SoViewportRegionElement.h>
#include <Inventor/errors/SoDebugError.h>

#include "Geant4_gl2ps.h"

#include <stdio.h>

SO_ACTION_SOURCE(SoGL2PSAction)
//////////////////////////////////////////////////////////////////////////////
void SoGL2PSAction::initClass(
)
//////////////////////////////////////////////////////////////////////////////
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
{
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::initClass\n");
#endif
  SO_ACTION_INIT_CLASS(SoGL2PSAction,SoGLRenderAction);
}
//////////////////////////////////////////////////////////////////////////////
SoGL2PSAction::SoGL2PSAction(
 const SbViewportRegion& aViewPortRegion
)
:SoGLRenderAction(aViewPortRegion)
,G4OpenGL2PSAction()
//////////////////////////////////////////////////////////////////////////////
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
{
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::SoGL2PSAction\n");
#endif
  setFileName("out.ps");
  SO_ACTION_CONSTRUCTOR(SoGL2PSAction);
}

void SoGL2PSAction::enableFileWriting(
)
//////////////////////////////////////////////////////////////////////////////
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
{
  fFile = ::fopen(fFileName,"w");
  if(!fFile) {
    SoDebugError::post("SoGL2PSAction::enableFileWriting",
                       "Cannot open file %s",fFileName);
    return;
  }
#ifdef __COIN__
#else //SGI
  const SbViewportRegion& vpr = getViewportRegion();
  SoViewportRegionElement::set(getState(),vpr);
  gl2psBegin();
#endif
}

//////////////////////////////////////////////////////////////////////////////
void SoGL2PSAction::setViewport(
)
//////////////////////////////////////////////////////////////////////////////
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
{
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::setViewport\n");
#endif
  // Useful ? L.Garnier 02/2009

#ifdef __COIN__
#else //SGI
  const SbViewportRegion& vpr = getViewportRegion();
  SoViewportRegionElement::set(getState(),vpr);
 
  const SbVec2s& win = vpr.getWindowSize();
  fViewport[0] = 0;
  fViewport[1] = 0;
  fViewport[2] = win[0];
  fViewport[3] = win[1];
#endif
}
//////////////////////////////////////////////////////////////////////////////
void SoGL2PSAction::beginTraversal(
 SoNode* aNode
)
//////////////////////////////////////////////////////////////////////////////
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!//
{
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::beginTraversal\n");
#endif
  if(fFile) {
#ifdef __COIN__
    const SbViewportRegion& vpr = getViewportRegion();
    SoViewportRegionElement::set(getState(),vpr);
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::beginTraversal 1\n");
#endif
    G4gl2psBegin();
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::beginTraversal 2\n");
#endif
    traverse(aNode);
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::beginTraversal 3\n");
#endif
    gl2psEndPage();        
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::beginTraversal 4\n");
#endif
#else //SGI
    SoGLRenderAction::beginTraversal(aNode);
#endif
  } else {
    SoGLRenderAction::beginTraversal(aNode);
  }
#ifdef G4DEBUG_VIS_OGL
  printf("SoGL2PSAction::beginTraversal 5\n");
#endif
}

#endif