H3DWindowNode.h

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//    Copyright 2004, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    H3D API is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __H3DWINDOWNODE_H__
#define __H3DWINDOWNODE_H__

#include "Viewpoint.h"
#include "MFNode.h"
#include "SFInt32.h"
#include "DefaultAppearance.h"

namespace H3D {

  class H3DAPI_API H3DWindowNode : public Node {
  public:
    
    typedef TypedSFNode< Viewpoint > SFViewpoint;

    class RenderMode: public SFString {
    public:
      H3D_VALUE_EXCEPTION( string, InvalidRenderMode );
      typedef enum {
        MONO,
        QUAD_BUFFERED_STEREO, 
        HORIZONTAL_SPLIT,
        VERTICAL_SPLIT,
        HORIZONTAL_INTERLACED,  
        VERTICAL_INTERLACED,  
        VERTICAL_INTERLACED_GREEN_SHIFT,  
        RED_BLUE_STEREO,
        RED_CYAN_STEREO
      } Mode;

      inline bool isStereoMode() { 
        upToDate();
        return value != "MONO";
      }

      RenderMode::Mode getRenderMode();
    };

    H3DWindowNode( Inst< SFInt32     > _width      = 0,
                   Inst< SFInt32     > _height     = 0,
                   Inst< SFBool      > _fullscreen = 0,
                   Inst< SFBool      > _mirrored   = 0,
                   Inst< RenderMode  > _renderMode = 0, 
                   Inst< SFViewpoint > _viewpoint  = 0,
                   Inst< SFTime      > _time       = 0 );

    ~H3DWindowNode();

    virtual void swapBuffers() = 0;

    virtual void initWindow() = 0;

    virtual void initWindowHandler() = 0;

    virtual void setFullscreen( bool fullscreen ) = 0;

    virtual void makeWindowActive() = 0;
    
    virtual void initialize();

    virtual void render( X3DChildNode *child_to_render );

    virtual void reshape( int w, int h );

    virtual void display();

    bool calculateFarAndNearPlane( H3DFloat &far,
                                   H3DFloat &near,
                                   X3DChildNode *child,
                                   Viewpoint *vp,
                                   bool include_stylus );

    auto_ptr< SFInt32 >  width;

    auto_ptr< SFInt32 >  height;

    auto_ptr< SFBool >  fullscreen;

    auto_ptr< SFBool >  mirrored;

    auto_ptr< RenderMode >  renderMode;
    
    auto_ptr< SFViewpoint > viewpoint;
    
    auto_ptr< SFTime > time;
    static set< H3DWindowNode* > windows;
    
    void shareRenderingContext( H3DWindowNode *w );

#if WIN32
    HGLRC getRenderingContext() {
      return rendering_context;
    }
#endif

    static H3DNodeDatabase database;

  protected:
#if WIN32
    HGLRC rendering_context;
#endif
    X3DChildNode *last_render_child;
    static bool GLEW_init;
    int window_id;
    bool rebuild_stencil_mask;
    unsigned char *stencil_mask;
    unsigned int stencil_mask_height;
    unsigned int stencil_mask_width;
  };
}

#endif

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