src/glu/sgi/libnurbs/nurbtess/rectBlock.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 _RECTBLOCK_H
  39 #define _RECTBLOCK_H
  40
  41 #include "definitions.h"
  42 #include "gridWrap.h"
  43
  44 class rectBlock{
  45   Int upGridLineIndex;
  46   Int lowGridLineIndex;
  47   Int* leftIndices; //up to bottome
  48   Int* rightIndices; //up to bottom
  49 public:
  50   //the arrays are copies.
  51   rectBlock(gridBoundaryChain* left, gridBoundaryChain* right, Int beginVline, Int endVline);
  52   ~rectBlock(); //free the two arrays
  53
  54   Int get_upGridLineIndex() {return upGridLineIndex;}
  55   Int get_lowGridLineIndex() {return lowGridLineIndex;}
  56   Int* get_leftIndices() {return leftIndices;}
  57   Int* get_rightIndices() {return rightIndices;}
  58
  59   Int num_quads();
  60
  61   void print();
  62   void draw(Real* u_values, Real* v_values);
  63 };
  64
  65
  66 class rectBlockArray{
  67   rectBlock** array;
  68   Int n_elements;
  69   Int size;
  70 public:
  71   rectBlockArray(Int s);
  72   ~rectBlockArray();//delete avarything including the blocks
  73
  74   Int get_n_elements() {return n_elements;}
  75   rectBlock* get_element(Int i) {return array[i];}
  76   void insert(rectBlock* newBlock); //only take the pointer, not ther cotent
  77
  78   Int num_quads();
  79
  80   void print();
  81   void draw(Real* u_values, Real* v_values);
  82 };
  83
  84
  85
  86 #endif
  87