OpenSG: OSGImageComposer.h Source File

00001 /*---------------------------------------------------------------------------*\
00002  *                                OpenSG                                     *
00003  *                                                                           *
00004  *                                                                           *
00005  *               Copyright (C) 2000-2002 by the OpenSG Forum                 *
00006  *                                                                           *
00007  *                            www.opensg.org                                 *
00008  *                                                                           *
00009  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
00010  *                                                                           *
00011 \*---------------------------------------------------------------------------*/
00012 /*---------------------------------------------------------------------------*\
00013  *                                License                                    *
00014  *                                                                           *
00015  * This library is free software; you can redistribute it and/or modify it   *
00016  * under the terms of the GNU Library General Public License as published    *
00017  * by the Free Software Foundation, version 2.                               *
00018  *                                                                           *
00019  * This library is distributed in the hope that it will be useful, but       *
00020  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
00021  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
00022  * Library General Public License for more details.                          *
00023  *                                                                           *
00024  * You should have received a copy of the GNU Library General Public         *
00025  * License along with this library; if not, write to the Free Software       *
00026  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
00027  *                                                                           *
00028 \*---------------------------------------------------------------------------*/
00029 /*---------------------------------------------------------------------------*\
00030  *                                Changes                                    *
00031  *                                                                           *
00032  *                                                                           *
00033  *                                                                           *
00034  *                                                                           *
00035  *                                                                           *
00036  *                                                                           *
00037 \*---------------------------------------------------------------------------*/
00038 
00039 #ifndef _OSGIMAGECOMPOSER_H_
00040 #define _OSGIMAGECOMPOSER_H_
00041 #ifdef __sgi
00042 #pragma once
00043 #endif
00044 
00045 #include <OSGConfig.h>
00046 
00047 #include <OSGImageComposerBase.h>
00048 #include <OSGWindow.h>
00049 #include <OSGClusterWindow.h>
00050 #include <OSGViewport.h>
00051 
00052 OSG_BEGIN_NAMESPACE
00053 
00054 class OSG_SYSTEMLIB_DLLMAPPING ImageComposer : public ImageComposerBase
00055 {
00056   private:
00057 
00058     typedef ImageComposerBase Inherited;
00059 
00060     /*==========================  PUBLIC  =================================*/
00061   public:
00062 
00063     /*---------------------------------------------------------------------*/
00067     virtual void changed(BitVector  whichField, 
00068                          UInt32     origin    );
00069 
00071     /*---------------------------------------------------------------------*/
00075     virtual void dump(      UInt32     uiIndent = 0, 
00076                       const BitVector  bvFlags  = 0) const;
00077 
00079     /*---------------------------------------------------------------------*/
00083     void setup(bool             isClient,
00084                UInt32           clusterId,
00085                WindowPtr        localWindow, 
00086                ClusterWindowPtr clusterWindow);
00087 
00089     /*---------------------------------------------------------------------*/
00093     virtual void open           ( void             );
00094     virtual void startFrame     ( void             );
00095     virtual void startViewport  ( ViewportPtr port );
00096     virtual void composeViewport( ViewportPtr port );
00097     virtual void composeWindow  ( void             );
00098     virtual void close          ( void             );
00099     
00101     /*---------------------------------------------------------------------*/
00105     virtual bool   getClientRendering(void);
00106     virtual UInt32 getUsableServers  (void);
00107 
00109     /*=========================  PROTECTED  ===============================*/
00110   protected:
00111 
00112     /*---------------------------------------------------------------------*/
00116     bool             _isClient;
00117     UInt32           _clusterId;
00118     UInt32           _clusterSize;
00119     UInt32           _serverCount;
00120     WindowPtr        _localWindow;
00121     ClusterWindowPtr _clusterWindow;
00122 
00124     /*---------------------------------------------------------------------*/
00128     bool             isClient     (void);
00129     UInt32           clusterId    (void);
00130     UInt32           clusterSize  (void);
00131     UInt32           serverCount  (void);
00132     WindowPtr        localWindow  (void);
00133     ClusterWindowPtr clusterWindow(void);
00134 
00137     /*---------------------------------------------------------------------*/
00141     bool getScreenAlignedBBox(NodePtr        root,
00142                               ViewportPtr    vp,
00143                               UInt32        &l,
00144                               UInt32        &b,
00145                               UInt32        &r,
00146                               UInt32        &t,
00147                               UInt32        &front,
00148                               UInt32        &back);
00149 
00151     /*---------------------------------------------------------------------*/
00155     ImageComposer(void);
00156     ImageComposer(const ImageComposer &source);
00157 
00159     /*---------------------------------------------------------------------*/
00163     virtual ~ImageComposer(void); 
00164 
00166     /*==========================  PRIVATE  ================================*/
00167   private:
00168 
00169     friend class FieldContainer;
00170     friend class ImageComposerBase;
00171 
00172     static void initMethod(void);
00173 
00174     // prohibit default functions (move to 'public' if you need one)
00175 
00176     void operator =(const ImageComposer &source);
00177 };
00178 
00179 typedef ImageComposer *ImageComposerP;
00180 
00181 OSG_END_NAMESPACE
00182 
00183 #include <OSGImageComposerBase.inl>
00184 #include <OSGImageComposer.inl>
00185 
00186 #define OSGIMAGECOMPOSER_HEADER_CVSID "@(#)$Id: $"
00187 
00188 #endif /* _OSGIMAGECOMPOSER_H_ */