Source/System/NodeCores/Drawables/Geometry/Util/OSGFastTriangleIterator.h

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *                Copyright (C) 2011 by the OpenSG Forum                     *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
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   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29
  30 #ifndef _OSGFASTTRIANGLEITERATOR_H_
  31 #define _OSGFASTTRIANGLEITERATOR_H_
  32
  33 #include "OSGConfig.h"
  34 #include "OSGDrawableDef.h"
  35 #include "OSGPrimitiveIterator.h"
  36
  37 OSG_BEGIN_NAMESPACE
  38
  39 class OSG_DRAWABLE_DLLMAPPING FastTriangleIterator : public PrimitiveIterator
  40 {
  41     /*==========================  PUBLIC  =================================*/
  42   public:
  43     /*---------------------------------------------------------------------*/
  44     /*! \name  Constructors / Destructor                                   */
  45     /*! \{                                                                 */
  46
  47     FastTriangleIterator(      void                        );
  48     FastTriangleIterator(const FastTriangleIterator &source);
  49     FastTriangleIterator(const Geometry             *geo   );
  50     FastTriangleIterator(const Node                 *node  );
  51
  52     virtual ~FastTriangleIterator(void);
  53
  54     /*! \}                                                                 */
  55     /*---------------------------------------------------------------------*/
  56     /*! \name  Set                                                         */
  57     /*! \{                                                                 */
  58
  59     virtual void setToBegin(void);
  60     virtual void setToEnd  (void);
  61
  62     /*! \}                                                                 */
  63     /*---------------------------------------------------------------------*/
  64     /*! \name  Get                                                         */
  65     /*! \{                                                                 */
  66
  67     inline Int32   getIndex(Int32 which) const;
  68     inline Int32   getIndex(void       ) const;
  69
  70     inline Int32   getPropertyIndex(UInt16 att, Int32 which) const;
  71     template <class ReturnT>
  72     inline ReturnT getPropertyValue(UInt16 att, Int32 which) const;
  73
  74     /*! \}                                                                 */
  75     /*---------------------------------------------------------------------*/
  76     /*! \name                       Operators                              */
  77     /*! \{                                                                 */
  78
  79            FastTriangleIterator &operator++(void);
  80     inline FastTriangleIterator  operator++(int );
  81
  82     FastTriangleIterator &seek      (Int32 index);
  83
  84     FastTriangleIterator &operator= (const FastTriangleIterator &source);
  85     bool                  operator< (const FastTriangleIterator &rhs   ) const;
  86     bool                  operator==(const FastTriangleIterator &rhs   ) const;
  87     bool                  operator!=(const FastTriangleIterator &rhs   ) const;
  88
  89     /*! \}                                                                 */
  90     /*=========================  PROTECTED  ===============================*/
  91   protected:
  92     typedef PrimitiveIterator  Inherited;
  93
  94     void   startPrim       (void);
  95     UInt32 getTrisInActPrim(void) const;
  96     UInt32 getTriInActPrim (void) const;
  97
  98     Int32  _triIndex;
  99     UInt32 _actPrimIndex;
 100     UInt32 _triPntIndex[3];
 101 };
 102
 103 OSG_END_NAMESPACE
 104
 105 #include "OSGFastTriangleIterator.inl"
 106
 107 #endif // _OSGFASTTRIANGLEITERATOR_H_