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:
10 ** http://oss.sgi.com/projects/FreeB
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.
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.
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.
41 #include "glimports.h"
45 #include "rectBlock.h"
47 rectBlock::rectBlock(gridBoundaryChain* left, gridBoundaryChain* right, Int beginVline, Int endVline)
52 upGridLineIndex = left->getVlineIndex(beginVline);
54 lowGridLineIndex = left->getVlineIndex(endVline);
56 Int n = upGridLineIndex-lowGridLineIndex+1; //number of grid lines
57 leftIndices = (Int*) malloc(sizeof(Int) * n);
59 rightIndices = (Int*) malloc(sizeof(Int) * n);
64 leftIndices[i] = left->getInnerIndex(i+beginVline);
65 rightIndices[i] = right->getInnerIndex(i+beginVline);
70 rectBlock::~rectBlock()
76 void rectBlock::print()
80 for(i=upGridLineIndex; i >= lowGridLineIndex; i--)
82 printf("gridline %i, (%i,%i)\n", i, leftIndices[upGridLineIndex-i], rightIndices[upGridLineIndex-i]);
88 void rectBlock::draw(Real* u_values, Real* v_values)
91 //upgrid line to bot grid line
93 printf("upGridLineIndex=%i, lowGridLineIndex=%i\n", upGridLineIndex, lowGridLineIndex);
95 for(k=0, i=upGridLineIndex; i > lowGridLineIndex; i--, k++)
97 glBegin(GL_QUAD_STRIP);
99 for(j=leftIndices[k+1]; j<= rightIndices[k+1]; j++)
101 glVertex2f(u_values[j], v_values[i]);
102 glVertex2f(u_values[j], v_values[i-1]);
109 Int rectBlock::num_quads()
113 for(k=0, i=upGridLineIndex; i>lowGridLineIndex; i--, k++)
115 ret += (rightIndices[k+1]-leftIndices[k+1]);
120 Int rectBlockArray::num_quads()
123 for(Int i=0; i<n_elements; i++)
124 ret += array[i]->num_quads();
128 rectBlockArray::rectBlockArray(Int s)
133 array = (rectBlock**) malloc(sizeof(rectBlock*) * s);
140 rectBlockArray::~rectBlockArray()
143 for(i=0; i<size; i++)
151 //put to the end of the array, check the size
152 void rectBlockArray::insert(rectBlock* newBlock)
155 if(n_elements == size) //full
157 rectBlock** temp = (rectBlock**) malloc(sizeof(rectBlock) * (2*size+1));
160 for(i=0; i<2*size+1; i++)
163 for(i=0; i<n_elements; i++)
171 array[n_elements++] = newBlock;
174 void rectBlockArray::print()
177 for(i=0; i<n_elements; i++)
181 void rectBlockArray::draw(Real* u_values, Real* v_values)
184 for(i=0; i<n_elements; i++)
185 array[i]->draw(u_values, v_values);