/*
** 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.
**
** $Date$ $Revision$
*/
/*
** $Header: //depot/main/gfx/lib/glu/libnurbs/nurbtess/rectBlock.h#5 $
*/

#ifndef _RECTBLOCK_H
#define _RECTBLOCK_H

#include "definitions.h"
#include "gridWrap.h"

class rectBlock{
  Int upGridLineIndex;
  Int lowGridLineIndex;
  Int* leftIndices; //up to bottome
  Int* rightIndices; //up to bottom
public:
  //the arrays are copies.
  rectBlock(gridBoundaryChain* left, gridBoundaryChain* right, Int beginVline, Int endVline);
  ~rectBlock(); //free the two arrays

  Int get_upGridLineIndex() {return upGridLineIndex;}
  Int get_lowGridLineIndex() {return lowGridLineIndex;}
  Int* get_leftIndices() {return leftIndices;}
  Int* get_rightIndices() {return rightIndices;}

  Int num_quads();

  void print();
  void draw(Real* u_values, Real* v_values);
};


class rectBlockArray{
  rectBlock** array;
  Int n_elements;
  Int size;
public:
  rectBlockArray(Int s);
  ~rectBlockArray();//delete avarything including the blocks
  
  Int get_n_elements() {return n_elements;}
  rectBlock* get_element(Int i) {return array[i];}
  void insert(rectBlock* newBlock); //only take the pointer, not ther cotent

  Int num_quads();

  void print();
  void draw(Real* u_values, Real* v_values);
};
  


#endif

