nurbsconsts.h

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/*
 * nurbsconsts.h
 *
 */

#ifndef __glunurbsconsts_h_
#define __glunurbsconsts_h_

/* NURBS Properties - one set per map, 
   each takes a single INREAL arg */
#define N_SAMPLING_TOLERANCE    1
#define N_S_RATE                6
#define N_T_RATE                7
#define N_CLAMPFACTOR           13
#define         N_NOCLAMPING            0.0
#define N_MINSAVINGS            14
#define         N_NOSAVINGSSUBDIVISION  0.0

/* NURBS Properties - one set per map, 
   each takes an enumerated value */
#define N_CULLING               2
#define         N_NOCULLING             0.0
#define         N_CULLINGON             1.0
#define N_SAMPLINGMETHOD        10
#define         N_NOSAMPLING            0.0
#define         N_FIXEDRATE             3.0
#define         N_DOMAINDISTANCE        2.0
#define         N_PARAMETRICDISTANCE    5.0
#define         N_PATHLENGTH            6.0
#define         N_SURFACEAREA           7.0
#define         N_OBJECTSPACE_PARA           8.0
#define         N_OBJECTSPACE_PATH           9.0
#define N_BBOX_SUBDIVIDING      17
#define         N_NOBBOXSUBDIVISION     0.0
#define         N_BBOXTIGHT             1.0
#define         N_BBOXROUND             2.0

/* NURBS Rendering Properties - one set per renderer
   each takes an enumerated value */
#define N_DISPLAY               3
#define         N_FILL                  1.0     
#define         N_OUTLINE_POLY          2.0
#define         N_OUTLINE_TRI           3.0
#define         N_OUTLINE_QUAD          4.0
#define         N_OUTLINE_PATCH         5.0
#define         N_OUTLINE_PARAM         6.0
#define         N_OUTLINE_PARAM_S       7.0
#define         N_OUTLINE_PARAM_ST      8.0
#define         N_OUTLINE_SUBDIV        9.0
#define         N_OUTLINE_SUBDIV_S      10.0
#define         N_OUTLINE_SUBDIV_ST     11.0
#define         N_ISOLINE_S             12.0
#define N_ERRORCHECKING         4
#define         N_NOMSG                 0.0
#define         N_MSG                   1.0

/* GL 4.0 propeties not defined above */
#ifndef N_PIXEL_TOLERANCE
#define N_PIXEL_TOLERANCE       N_SAMPLING_TOLERANCE
#define N_ERROR_TOLERANCE       20
#define N_SUBDIVISIONS          5
#define N_TILES                 8
#define N_TMP1                  9
#define N_TMP2                  N_SAMPLINGMETHOD
#define N_TMP3                  11
#define N_TMP4                  12
#define N_TMP5                  N_CLAMPFACTOR
#define N_TMP6                  N_MINSAVINGS
#define N_S_STEPS               N_S_RATE
#define N_T_STEPS               N_T_RATE
#endif

/* NURBS Rendering Properties - one set per map,
   each takes an INREAL matrix argument */
#define N_CULLINGMATRIX         1
#define N_SAMPLINGMATRIX        2
#define N_BBOXMATRIX            3


/* NURBS Rendering Properties - one set per map,
   each takes an INREAL vector argument */
#define N_BBOXSIZE              4

/* type argument for trimming curves */
#ifndef N_P2D
#define N_P2D                   0x8     
#define N_P2DR                  0xd
#endif  

#endif /* __glunurbsconsts_h_ */