src/glu/sgi/libnurbs/nurbtess/sampledLine.h

   1 /*
   2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice including the dates of first publication and
  13  * either this permission notice or a reference to
  14  * http://oss.sgi.com/projects/FreeB/
  15  * shall be included in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
  26  * shall not be used in advertising or otherwise to promote the sale, use or
  27  * other dealings in this Software without prior written authorization from
  28  * Silicon Graphics, Inc.
  29  */
  30 /*
  31 */
  32
  33 #ifndef _SAMPLEDLINE_H
  34 #define _SAMPLEDLINE_H
  35
  36 #include "definitions.h"
  37
  38 class sampledLine{
  39   Int npoints;
  40   Real2 *points;
  41
  42 public:
  43   sampledLine(Int n_points);
  44   sampledLine(Int n_points, Real  pts[][2]);
  45   sampledLine(Real pt1[2], Real pt2[2]);
  46   sampledLine(); //special, careful about memory
  47   ~sampledLine();
  48
  49   void init(Int n_points, Real2 *pts);//special, careful about memory
  50
  51   void setPoint(Int i, Real p[2]) ;
  52
  53   sampledLine* insert(sampledLine *nline);
  54   void deleteList();
  55
  56   Int get_npoints() {return npoints;}
  57   Real2* get_points() {return points;}
  58
  59   //u_reso is number of segments (may not be integer) per unit u
  60   void tessellate(Real u_reso, Real v_reso);//n segments
  61   void tessellateAll(Real u_reso, Real v_reso);
  62
  63   void print();
  64
  65   sampledLine* next;
  66 };
  67
  68
  69
  70
  71 #endif