stripcb.H

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/**********************************************************************
 * stripcb.H:
 **********************************************************************/
#ifndef STRIPCB_H_IS_INCLUDED
#define STRIPCB_H_IS_INCLUDED

/**********************************************************************
 * StripCB:
 *
 *      used to "draw" triangle strips, edge strips, and vertex
 *      strips. this could mean making OpenGL calls, or writing to
 *      stdout a description of the strip in some file format.
 **********************************************************************/
class TriStrip;   // BMESH triangle strip class
class EdgeStrip;  // BMESH line strip class
class VertStrip;  // BMESH point strip class

class StripCB {
 public:

   StripCB() : alpha(1.0) {}
   virtual ~StripCB() {}

   // for triangle strips:
   virtual void begin_faces(TriStrip*)          {}
   virtual void faceCB (CBvert*, CBface*)       {} 
   virtual void end_faces  (TriStrip*)          {}

   // for line strips:
   virtual void begin_edges(EdgeStrip*)         {}
   virtual void edgeCB (CBvert*, CBedge*)       {}
   virtual void end_edges  (EdgeStrip*)         {}

   // for point strips:
   virtual void begin_verts(VertStrip*)         {}
   virtual void vertCB (CBvert*)                {}
   virtual void end_verts  (VertStrip*)         {}

   double alpha;
};

#endif // STRIPCB_H_IS_INCLUDED

/* end of file stripcb.H */

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