| /* |
| * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) |
| * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice including the dates of first publication and |
| * either this permission notice or a reference to |
| * http://oss.sgi.com/projects/FreeB/ |
| * shall be included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * Except as contained in this notice, the name of Silicon Graphics, Inc. |
| * shall not be used in advertising or otherwise to promote the sale, use or |
| * other dealings in this Software without prior written authorization from |
| * Silicon Graphics, Inc. |
| */ |
| |
| /* |
| * quilt.h |
| * |
| * $Date: 2012/03/29 17:22:17 $ $Revision: 1.1.1.1 $ |
| * $Header: /cvs/bao-parsec/pkgs/libs/mesa/src/src/glu/sgi/libnurbs/internals/quilt.h,v 1.1.1.1 2012/03/29 17:22:17 uid42307 Exp $ |
| */ |
| |
| #ifndef __gluquilt_h_ |
| #define __gluquilt_h_ |
| |
| #include "defines.h" |
| #include "bufpool.h" |
| #include "types.h" |
| |
| class Backend; |
| class Mapdesc; |
| class Flist; |
| struct 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; |
| |
| class Quilt : public PooledObj { /* an array of bezier patches */ |
| public: |
| 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 */ |
| |
| public: |
| 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 class Quilt *Quilt_ptr; |
| |
| #endif /* __gluquilt_h_ */ |