OSGImageComposer.h

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 * This library is free software; you can redistribute it and/or modify it   *
 * under the terms of the GNU Library General Public License as published    *
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 * This library 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         *
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\*---------------------------------------------------------------------------*/

#ifndef _OSGIMAGECOMPOSER_H_
#define _OSGIMAGECOMPOSER_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGConfig.h>

#include <OSGImageComposerBase.h>
#include <OSGWindow.h>
#include <OSGClusterWindow.h>
#include <OSGViewport.h>

OSG_BEGIN_NAMESPACE

class OSG_SYSTEMLIB_DLLMAPPING ImageComposer : public ImageComposerBase
{
  private:

    typedef ImageComposerBase Inherited;

    /*==========================  PUBLIC  =================================*/
  public:

    /*---------------------------------------------------------------------*/
    virtual void changed(BitVector  whichField, 
                         UInt32     origin    );

    /*---------------------------------------------------------------------*/
    virtual void dump(      UInt32     uiIndent = 0, 
                      const BitVector  bvFlags  = 0) const;

    /*---------------------------------------------------------------------*/
    void setup(bool             isClient,
               UInt32           clusterId,
               WindowPtr        localWindow, 
               ClusterWindowPtr clusterWindow);

    /*---------------------------------------------------------------------*/
    virtual void open           ( void             );
    virtual void composeViewport( ViewportPtr port );
    virtual void composeWindow  ( void             );
    virtual void close          ( void             );
    
    /*---------------------------------------------------------------------*/
    virtual bool   getClientRendering(void);
    virtual UInt32 getUsableServers  (void);

    /*=========================  PROTECTED  ===============================*/
  protected:

    /*---------------------------------------------------------------------*/
    bool             _isClient;
    UInt32           _clusterId;
    UInt32           _clusterSize;
    UInt32           _serverCount;
    WindowPtr        _localWindow;
    ClusterWindowPtr _clusterWindow;

    /*---------------------------------------------------------------------*/
    bool             isClient     (void);
    UInt32           clusterId    (void);
    UInt32           clusterSize  (void);
    UInt32           serverCount  (void);
    WindowPtr        localWindow  (void);
    ClusterWindowPtr clusterWindow(void);

    /*---------------------------------------------------------------------*/
    bool getScreenAlignedBBox(NodePtr        root,
                              ViewportPtr    vp,
                              UInt32        &l,
                              UInt32        &b,
                              UInt32        &r,
                              UInt32        &t,
                              UInt32        &front,
                              UInt32        &back);

    /*---------------------------------------------------------------------*/
    ImageComposer(void);
    ImageComposer(const ImageComposer &source);

    /*---------------------------------------------------------------------*/
    virtual ~ImageComposer(void); 

    /*==========================  PRIVATE  ================================*/
  private:

    friend class FieldContainer;
    friend class ImageComposerBase;

    static void initMethod(void);

    // prohibit default functions (move to 'public' if you need one)

    void operator =(const ImageComposer &source);
};

typedef ImageComposer *ImageComposerP;

OSG_END_NAMESPACE

#include <OSGImageComposerBase.inl>
#include <OSGImageComposer.inl>

#define OSGIMAGECOMPOSER_HEADER_CVSID "@(#)$Id: $"

#endif /* _OSGIMAGECOMPOSER_H_ */

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