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SoGLRenderAction.h

00001 #ifndef COIN_SOGLRENDERACTION_H
00002 #define COIN_SOGLRENDERACTION_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See <URL:http://www.coin3d.org> for  more information.
00021  *
00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
00023  *  <URL:http://www.sim.no>.
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/actions/SoAction.h>
00028 #include <Inventor/actions/SoSubAction.h>
00029 #include <Inventor/SbBasic.h>
00030 #include <Inventor/SbViewportRegion.h>
00031 #include <Inventor/system/inttypes.h>
00032 #include <Inventor/lists/SoPathList.h>
00033 #include <Inventor/lists/SbList.h>
00034 
00035 typedef void SoGLRenderPassCB(void * userdata);
00036 typedef void SoGLPreRenderCB(void * userdata, class SoGLRenderAction * action);
00037 
00038 class COIN_DLL_API SoGLRenderAction : public SoAction {
00039   typedef SoAction inherited;
00040 
00041   SO_ACTION_HEADER(SoGLRenderAction);
00042 
00043 public:
00044   SoGLRenderAction(const SbViewportRegion & viewportregion);
00045   virtual ~SoGLRenderAction();
00046 
00047   static void initClass(void);
00048 
00049   enum TransparencyType {
00050     SCREEN_DOOR,
00051     ADD, DELAYED_ADD, SORTED_OBJECT_ADD,
00052     BLEND, DELAYED_BLEND, SORTED_OBJECT_BLEND,
00053     // The remaining are Coin extensions to the common Inventor API
00054     SORTED_OBJECT_SORTED_TRIANGLE_ADD,
00055     SORTED_OBJECT_SORTED_TRIANGLE_BLEND,
00056     NONE
00057   };
00058 
00059   enum AbortCode {
00060     CONTINUE, ABORT, PRUNE, DELAY
00061   };
00062 
00063   typedef AbortCode SoGLRenderAbortCB(void * userdata);
00064 
00065   void setViewportRegion(const SbViewportRegion & newregion);
00066   const SbViewportRegion & getViewportRegion(void) const;
00067   void setUpdateArea(const SbVec2f & origin, const SbVec2f & size);
00068   void getUpdateArea(SbVec2f & origin, SbVec2f & size) const;
00069   void setAbortCallback(SoGLRenderAbortCB * const func, void * const userdata);
00070   void setTransparencyType(const TransparencyType type);
00071   TransparencyType getTransparencyType(void) const;
00072   void setSmoothing(const SbBool smooth);
00073   SbBool isSmoothing(void) const;
00074   void setNumPasses(const int num);
00075   int getNumPasses(void) const;
00076   void setPassUpdate(const SbBool flag);
00077   SbBool isPassUpdate(void) const;
00078   void setPassCallback(SoGLRenderPassCB * const func, void * const userdata);
00079   void setCacheContext(const uint32_t context);
00080   uint32_t getCacheContext(void) const;
00081 
00082   void addDelayedPath(SoPath * path);
00083   SbBool isRenderingDelayedPaths(void) const;
00084 
00085   SbBool handleTransparency(SbBool istransparent = FALSE);
00086   int getCurPass(void) const;
00087   SbBool abortNow(void);
00088 
00089   void setRenderingIsRemote(SbBool isremote);
00090   SbBool getRenderingIsRemote(void) const;
00091 
00092   virtual void invalidateState(void);
00093 
00094   void addPreRenderCallback(SoGLPreRenderCB * func, void * userdata);
00095   void removePreRenderCallback(SoGLPreRenderCB * func, void * userdata);
00096 
00097 protected:
00098   virtual void beginTraversal(SoNode * node);
00099   virtual void endTraversal(SoNode * node);
00100 
00101 private:
00102   void addTransPath(SoPath * path);
00103   void doPathSort(void);
00104 
00105   class SoGLRenderActionP * pimpl;
00106   friend class SoGLRenderActionP;
00107 };
00108 
00109 #endif // !COIN_SOGLRENDERACTION_H

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