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144 lines
4.7 KiB
144 lines
4.7 KiB
#ifndef __glunurbstess_h_
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#define __glunurbstess_h_
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/**************************************************************************
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* *
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* Copyright (C) 1992, Silicon Graphics, Inc. *
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* *
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* These coded instructions, statements, and computer programs contain *
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* unpublished proprietary information of Silicon Graphics, Inc., and *
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* are protected by Federal copyright law. They may not be disclosed *
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* to third parties or copied or duplicated in any form, in whole or *
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* in part, without the prior written consent of Silicon Graphics, Inc. *
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* *
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**************************************************************************/
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/*
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* nurbstess.h - $Revision: 1.2 $
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*/
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#include "mysetjmp.h"
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#include "subdivid.h"
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#include "renderhi.h"
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#include "backend.h"
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#include "maplist.h"
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#include "reader.h"
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#include "nurbscon.h"
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class Knotvector;
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class Quilt;
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class DisplayList;
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class BasicCurveEvaluator;
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class BasicSurfaceEvaluator;
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class NurbsTessellator {
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public:
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NurbsTessellator( BasicCurveEvaluator &c,
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BasicSurfaceEvaluator &e );
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~NurbsTessellator( void );
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void getnurbsproperty( long, INREAL * );
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void getnurbsproperty( long, long, INREAL * );
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void setnurbsproperty( long, INREAL );
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void setnurbsproperty( long, long, INREAL );
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void setnurbsproperty( long, long, INREAL * );
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void setnurbsproperty( long, long, INREAL *, long, long );
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// called before a tessellation begins/ends
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virtual void bgnrender( void );
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virtual void endrender( void );
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// called to make a display list of the output vertices
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virtual void makeobj( int n );
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virtual void closeobj( void );
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// called when a error occurs
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virtual void errorHandler( int );
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void bgnsurface( long );
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void endsurface( void );
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void bgntrim( void );
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void endtrim( void );
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void bgncurve( long );
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void endcurve( void );
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void pwlcurve( long, INREAL[], long, long );
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void nurbscurve( long, INREAL[], long, INREAL[], long, long );
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void nurbssurface( long, INREAL[], long, INREAL[], long, long,
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INREAL[], long, long, long );
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void defineMap( long, long, long );
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void redefineMaps( void );
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// recording of input description
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void discardRecording( void * );
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void * beginRecording( void );
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void endRecording( void );
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void playRecording( void * );
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protected:
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Renderhints renderhints;
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Maplist maplist;
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Backend backend;
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private:
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void resetObjects( void );
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int do_check_knots( Knotvector *, char * );
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void do_nurbserror( int );
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void do_bgncurve( O_curve * );
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void do_endcurve( void );
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void do_freeall( void );
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void do_freecurveall( O_curve * );
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void do_freebgntrim( O_trim * );
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void do_freebgncurve( O_curve * );
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void do_freepwlcurve( O_pwlcurve * );
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void do_freenurbscurve( O_nurbscurve * );
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void do_freenurbssurface( O_nurbssurface * );
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void do_freebgnsurface( O_surface * );
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void do_bgnsurface( O_surface * );
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void do_endsurface( void );
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void do_bgntrim( O_trim * );
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void do_endtrim( void );
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void do_pwlcurve( O_pwlcurve * );
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void do_nurbscurve( O_nurbscurve * );
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void do_nurbssurface( O_nurbssurface * );
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void do_freenurbsproperty( Property * );
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void do_setnurbsproperty( Property * );
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void do_setnurbsproperty2( Property * );
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Subdivider subdivider;
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JumpBuffer* jumpbuffer;
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Pool o_pwlcurvePool;
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Pool o_nurbscurvePool;
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Pool o_curvePool;
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Pool o_trimPool;
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Pool o_surfacePool;
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Pool o_nurbssurfacePool;
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Pool propertyPool;
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Pool quiltPool;
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TrimVertexPool extTrimVertexPool;
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int inSurface; /* bgnsurface seen */
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int inCurve; /* bgncurve seen */
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int inTrim; /* bgntrim seen */
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int isCurveModified; /* curve changed */
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int isTrimModified; /* trim curves changed */
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int isSurfaceModified; /* surface changed */
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int isDataValid; /* all data is good */
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int numTrims; /* valid trim regions */
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int playBack;
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O_trim** nextTrim; /* place to link o_trim */
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O_curve** nextCurve; /* place to link o_curve */
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O_nurbscurve** nextNurbscurve; /* place to link o_nurbscurve */
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O_pwlcurve** nextPwlcurve; /* place to link o_pwlcurve */
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O_nurbssurface** nextNurbssurface; /* place to link o_nurbssurface */
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O_surface* currentSurface;
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O_trim* currentTrim;
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O_curve* currentCurve;
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DisplayList *dl;
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};
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#endif /* __glunurbstess_h_ */
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