# Visualization Library

A lightweight C++ OpenGL middleware for 2D/3D graphics

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# D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlVG/SceneManagerVectorGraphics.hpp

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    00001 /**************************************************************************************/
    00002 /*                                                                                    */
    00003 /*  Visualization Library                                                             */
    00004 /*  http://www.visualizationlibrary.org                                               */
    00005 /*                                                                                    */
    00006 /*  Copyright (c) 2005-2010, Michele Bosi                                             */
    00007 /*  All rights reserved.                                                              */
    00008 /*                                                                                    */
    00009 /*  Redistribution and use in source and binary forms, with or without modification,  */
    00010 /*  are permitted provided that the following conditions are met:                     */
    00011 /*                                                                                    */
    00012 /*  - Redistributions of source code must retain the above copyright notice, this     */
    00013 /*  list of conditions and the following disclaimer.                                  */
    00014 /*                                                                                    */
    00015 /*  - Redistributions in binary form must reproduce the above copyright notice, this  */
    00016 /*  list of conditions and the following disclaimer in the documentation and/or       */
    00017 /*  other materials provided with the distribution.                                   */
    00018 /*                                                                                    */
    00019 /*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND   */
    00020 /*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED     */
    00021 /*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE            */
    00022 /*  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR  */
    00023 /*  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    */
    00024 /*  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;      */
    00025 /*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON    */
    00026 /*  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           */
    00027 /*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS     */
    00028 /*  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                      */
    00029 /*                                                                                    */
    00030 /**************************************************************************************/
    00031
    00032 #ifndef SceneManagerVectorGraphics_INCLUDE_ONCE
    00033 #define SceneManagerVectorGraphics_INCLUDE_ONCE
    00034
    00035 #include <vlGraphics/SceneManager.hpp>
    00036 #include <vlCore/Collection.hpp>
    00037 #include <vlGraphics/Frustum.hpp>
    00038
    00039 namespace vl
    00040 {
    00041   class VectorGraphics;
    00042 //-------------------------------------------------------------------------------------------------------------------------------------------
    00043 // SceneManagerVectorGraphics
    00044 //-------------------------------------------------------------------------------------------------------------------------------------------
    00056   class SceneManagerVectorGraphics: public SceneManager
    00057   {
    00058     VL_INSTRUMENT_CLASS(vl::SceneManagerVectorGraphics, SceneManager)
    00059
    00060   public:
    00061     SceneManagerVectorGraphics() { mActorRenderRankStart = 0; mVectorGraphicObjects.setAutomaticDelete(false); }
    00062
    00067     void setActorRenderRankStart(int rank_start) { mActorRenderRankStart = rank_start; }
    00068
    00070     int actorRenderRankStart() const { return mActorRenderRankStart; }
    00071
    00072     virtual void extractVisibleActors(ActorCollection& queue, const Camera*)
    00073     {
    00074       if (cullingEnabled())
    00075         // FIXME: implement 2d culling?
    00076         extractActors(queue);
    00077       else
    00078         extractActors(queue);
    00079     }
    00080
    00081     virtual void extractActors(ActorCollection& queue)
    00082     {
    00083       int actor_rank = mActorRenderRankStart;
    00084       for(int i=0; i<vectorGraphicObjects()->size(); ++i)
    00085       {
    00086         for(int j=0; j<vectorGraphicObjects()->at(i)->actors()->size(); ++j)
    00087         {
    00088           vectorGraphicObjects()->at(i)->actors()->at(j)->setRenderRank( actor_rank++ );
    00089           queue.push_back( vectorGraphicObjects()->at(i)->actors()->at(j) );
    00090         }
    00091       }
    00092     }
    00093
    00095     Collection<VectorGraphics>* vectorGraphicObjects() { return &mVectorGraphicObjects; }
    00096
    00098     const Collection<VectorGraphics>* vectorGraphicObjects() const { return &mVectorGraphicObjects; }
    00099
    00100   protected:
    00101     Collection<VectorGraphics> mVectorGraphicObjects;
    00102     int mActorRenderRankStart;
    00103   };
    00104 //-------------------------------------------------------------------------------------------------------------------------------------------
    00105 }
    00106
    00107 #endif

Visualization Library v2011.09.1162 Reference Documentation
Copyright 2005-2011 Michele Bosi. All rights reserved.
Updated on Thu Jan 26 2012 00:43:46.
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