mirror of
https://github.com/reactos/reactos.git
synced 2024-09-21 18:17:19 +00:00
99 lines
3.7 KiB
C++
99 lines
3.7 KiB
C++
/*
|
|
** License Applicability. Except to the extent portions of this file are
|
|
** made subject to an alternative license as permitted in the SGI Free
|
|
** Software License B, Version 1.1 (the "License"), the contents of this
|
|
** file are subject only to the provisions of the License. You may not use
|
|
** this file except in compliance with the License. You may obtain a copy
|
|
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
|
|
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
|
|
**
|
|
** http://oss.sgi.com/projects/FreeB
|
|
**
|
|
** Note that, as provided in the License, the Software is distributed on an
|
|
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
|
|
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
|
|
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
|
|
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
|
|
**
|
|
** Original Code. The Original Code is: OpenGL Sample Implementation,
|
|
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
|
|
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
|
|
** Copyright in any portions created by third parties is as indicated
|
|
** elsewhere herein. All Rights Reserved.
|
|
**
|
|
** Additional Notice Provisions: The application programming interfaces
|
|
** established by SGI in conjunction with the Original Code are The
|
|
** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
|
|
** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
|
|
** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
|
|
** Window System(R) (Version 1.3), released October 19, 1998. This software
|
|
** was created using the OpenGL(R) version 1.2.1 Sample Implementation
|
|
** published by SGI, but has not been independently verified as being
|
|
** compliant with the OpenGL(R) version 1.2.1 Specification.
|
|
*/
|
|
|
|
/*
|
|
* quilt.h
|
|
*
|
|
* $Date$ $Revision: 1.1 $
|
|
* $Header: /cygdrive/c/RCVS/CVS/ReactOS/reactos/lib/glu32/libnurbs/internals/quilt.h,v 1.1 2004/02/02 16:39:12 navaraf 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_ */
|