IABSD.fr/xenocara/lib/libGLU/src/libnurbs/internals/reader.h

Branch : - branch - master - tag -

• Show log

  Commit

• Author : jsg
  Date : 2013-09-01 03:51:12
  Hash : 729f7da4
  Message : Update to GLU 9.0.0, GLU was previously part of Mesa but is now seperate. tested in a ports bulk build by landry@, ok matthieu@

• lib/libGLU/src/libnurbs/internals/reader.h

• /*
   * 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.
   */
  
  /*
   * reader.h
   *
   */
  
  #ifndef __glureader_h_
  #define __glureader_h_
  
  #include "bufpool.h"
  #include "types.h"
  
  enum Curvetype { ct_nurbscurve, ct_pwlcurve, ct_none };
      
  struct Property;
  struct O_surface;
  struct O_nurbssurface;
  struct O_trim;
  class O_pwlcurve;
  struct O_nurbscurve;
  struct O_curve;
  class  Quilt;
  class TrimVertex;
  
  
  struct O_curve : public PooledObj {
      union {
          O_nurbscurve	*o_nurbscurve;
          O_pwlcurve	*o_pwlcurve;
      } curve;
      Curvetype		curvetype;	/* arc type: pwl or nurbs	*/
      O_curve *		next;		/* next arc in loop		*/
      O_surface *		owner;		/* owning surface		*/
      int			used;		/* curve called in cur surf	*/
      int			save;		/* 1 if in display list		*/
      long		nuid;
      			O_curve() { next = 0; used = 0; owner = 0; 
  				    curve.o_pwlcurve = 0; curvetype = ct_none; save = 0; nuid = 0; }
      };
  
  struct O_nurbscurve : public PooledObj {
      Quilt		*bezier_curves;	/* array of bezier curves	*/
      long		type;		/* range descriptor		*/
      REAL		tesselation;	/* tesselation tolerance 	*/
      int			method;		/* tesselation method 		*/
      O_nurbscurve *	next;		/* next curve in list		*/
      int			used;		/* curve called in cur surf	*/
      int			save;		/* 1 if in display list		*/
      O_curve *		owner;		/* owning curve 		*/
  			O_nurbscurve( long _type ) 
  			   { bezier_curves = 0; type = _type; tesselation = 0; method = 0; next = 0; used = 0; save = 0; owner = 0; }
      };
   
  class O_pwlcurve : public PooledObj {
  public:
      TrimVertex		*pts;		/* array of trim vertices	*/
      int			npts;		/* number of trim vertices	*/
      O_pwlcurve *	next;		/* next curve in list		*/
      int			used;		/* curve called in cur surf	*/
      int			save;		/* 1 if in display list		*/
      O_curve *		owner;		/* owning curve 		*/
  			O_pwlcurve( long, long, INREAL *, long, TrimVertex * );
      };
  
  struct O_trim : public PooledObj {
      O_curve		*o_curve;	/* closed trim loop	 	*/
      O_trim *		next;		/* next loop along trim 	*/
      int			save;		/* 1 if in display list		*/
  			O_trim() { next = 0; o_curve = 0; save = 0; }
      };
  
  struct O_nurbssurface : public PooledObj {
      Quilt *		bezier_patches;/* array of bezier patches	*/
      long		type;		/* range descriptor		*/
      O_surface *		owner;		/* owning surface		*/
      O_nurbssurface *	next;		/* next surface in chain	*/
      int			save;		/* 1 if in display list		*/
      int			used;		/* 1 if prev called in block	*/
  			O_nurbssurface( long _type ) 
  			   { bezier_patches = 0; type = _type; owner = 0; next = 0; save = 0; used = 0; }
      };
  
  struct O_surface : public PooledObj {
      O_nurbssurface *	o_nurbssurface;	/* linked list of surfaces	*/
      O_trim *		o_trim;		/* list of trim loops		*/
      int			save;		/* 1 if in display list		*/
      long		nuid;
  			O_surface() { o_trim = 0; o_nurbssurface = 0; save = 0; nuid = 0; }
      };
  
  struct Property : public PooledObj {
      long		type;
      long		tag;
      REAL		value;
      int			save;		/* 1 if in display list		*/
  			Property( long _type, long _tag, INREAL _value )
  			{ type = _type; tag = _tag; value = (REAL) _value; save = 0; }
  			Property( long _tag, INREAL _value )
  			{ type = 0; tag = _tag; value = (REAL) _value; save = 0; }
      };
  
  class NurbsTessellator;
  #endif /* __glureader_h_ */