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

   1 /*
   2 ** License Applicability. Except to the extent portions of this file are
   3 ** made subject to an alternative license as permitted in the SGI Free
   4 ** Software License B, Version 1.1 (the "License"), the contents of this
   5 ** file are subject only to the provisions of the License. You may not use
   6 ** this file except in compliance with the License. You may obtain a copy
   7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
   8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
   9 **
  10 ** http://oss.sgi.com/projects/FreeB
  11 **
  12 ** Note that, as provided in the License, the Software is distributed on an
  13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
  14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
  15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
  16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
  17 **
  18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
  19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
  20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
  21 ** Copyright in any portions created by third parties is as indicated
  22 ** elsewhere herein. All Rights Reserved.
  23 **
  24 ** Additional Notice Provisions: The application programming interfaces
  25 ** established by SGI in conjunction with the Original Code are The
  26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
  27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
  28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
  29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
  30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
  31 ** published by SGI, but has not been independently verified as being
  32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
  33 **
  34 */
  35 /*
  36 */
  37
  38 #ifndef _SAMPLEDLINE_H
  39 #define _SAMPLEDLINE_H
  40
  41 #include "definitions.h"
  42
  43 class sampledLine{
  44   Int npoints;
  45   Real2 *points;
  46
  47 public:
  48   sampledLine(Int n_points);
  49   sampledLine(Int n_points, Real  pts[][2]);
  50   sampledLine(Real pt1[2], Real pt2[2]);
  51   sampledLine(); //special, careful about memory
  52   ~sampledLine();
  53
  54   void init(Int n_points, Real2 *pts);//special, careful about memory
  55
  56   void setPoint(Int i, Real p[2]) ;
  57
  58   sampledLine* insert(sampledLine *nline);
  59   void deleteList();
  60
  61   Int get_npoints() {return npoints;}
  62   Real2* get_points() {return points;}
  63
  64   //u_reso is number of segments (may not be integer) per unit u
  65   void tessellate(Real u_reso, Real v_reso);//n segments
  66   void tessellateAll(Real u_reso, Real v_reso);
  67
  68   void print();
  69
  70   sampledLine* next;
  71 };
  72
  73
  74
  75
  76 #endif