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#ifndef __gluquilt_h_
#define __gluquilt_h_
/**************************************************************************
* * * Copyright (C) 1992, Silicon Graphics, Inc. * * * * These coded instructions, statements, and computer programs contain * * unpublished proprietary information of Silicon Graphics, Inc., and * * are protected by Federal copyright law. They may not be disclosed * * to third parties or copied or duplicated in any form, in whole or * * in part, without the prior written consent of Silicon Graphics, Inc. * * * **************************************************************************/
/*
* quilt.h - $Revision: 1.1 $ */
#include "defines.h"
#include "bufpool.h"
#include "types.h"
class Backend;class Mapdesc;class Flist;class Knotvector;
/* constants for memory allocation of NURBS to Bezier conversion */ #define MAXDIM 2
struct Quiltspec { /* a specification for a dimension of a quilt */ int stride; /* words between points */ int width; /* number of segments */ int offset; /* words to first point */ int order; /* order */ int index; /* current segment number */ int bdry[2]; /* boundary edge flag */ REAL step_size; Knot * breakpoints;};
typedef Quiltspec *Quiltspec_ptr; #ifdef NT
class Quilt : public PooledObj { public: /* an array of bezier patches */#else
struct Quilt : PooledObj { /* an array of bezier patches */#endif
Quilt( Mapdesc * ); Mapdesc * mapdesc; /* map descriptor */ REAL * cpts; /* control points */ Quiltspec qspec[MAXDIM]; /* the dimensional data */ Quiltspec_ptr eqspec; /* qspec trailer */ Quilt *next; /* next quilt in linked list */ void deleteMe( Pool& ); void toBezier( Knotvector &, INREAL *, long ); void toBezier( Knotvector &, Knotvector &, INREAL *, long ); void select( REAL *, REAL * ); int getDimension( void ) { return eqspec - qspec; } void download( Backend & ); void downloadAll( REAL *, REAL *, Backend & ); int isCulled( void ); void getRange( REAL *, REAL *, Flist&, Flist & ); void getRange( REAL *, REAL *, int, Flist & ); void getRange( REAL *, REAL *, Flist& ); void findRates( Flist& slist, Flist& tlist, REAL[2] ); void findSampleRates( Flist& slist, Flist& tlist ); void show();};
typedef Quilt *Quilt_ptr;
#endif /* __gluquilt_h_ */
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