ReactOS 0.4.15-dev-8417-gb6b82fe
sampledLine.cc
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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#include <stdlib.h>
39#include <stdio.h>
40#include <math.h> //for fabs()
41//#include "glimports.h"
42#include "zlassert.h"
43#include "sampledLine.h"
44
46{
47 points[i][0]=p[0];
48 points[i][1]=p[1];
49}
50
51
52/*insert this single line in front of the oldList*/
54{
55 next = oldList;
56 return this;
57}
58
60{
61 sampledLine *temp, *tempNext;
62 for(temp = this; temp != NULL; temp = tempNext)
63 {
64 tempNext = temp->next;
65 delete temp;
66 }
67}
68
69
70/*space of points[][2] is allocated*/
72{
73 npoints = n_points;
74 points = (Real2*) malloc(sizeof(Real2) * n_points);
76 next = NULL;
77}
78
79/*space of points[][2] is allocated and
80 *points are copied
81 */
82sampledLine::sampledLine(Int n_points, Real2 pts[])
83{
84 int i;
85 npoints = n_points;
86 points = (Real2*) malloc(sizeof(Real2) * n_points);
88 for(i=0; i<npoints; i++) {
89 points[i][0] = pts[i][0];
90 points[i][1] = pts[i][1];
91 }
92 next = NULL;
93}
94
96{
97 npoints = 2;
98 points = (Real2*) malloc(sizeof(Real2) * 2);
100 points[0][0] = pt1[0];
101 points[0][1] = pt1[1];
102 points[1][0] = pt2[0];
103 points[1][1] = pt2[1];
104 next = NULL;
105}
106
107//needs tp call init to setup
109{
110 npoints = 0;
111 points = NULL;
112 next = NULL;
113}
114
115//warning: ONLY pointer is copies!!!
116void sampledLine::init(Int n_points, Real2 *pts)
117{
118 npoints = n_points;
119 points = pts;
120}
121
122/*points[] is dealocated
123 */
125{
126 free(points);
127}
128
130{
131 int i;
132 printf("npoints=%i\n", npoints);
133
134 for(i=0; i<npoints; i++){
135 printf("(%f,%f)\n", points[i][0], points[i][1]);
136 }
137
138}
139
141{
142 int i;
143
144 Int nu, nv, n;
145 nu = 1+(Int) (fabs((points[npoints-1][0] - points[0][0])) * u_reso);
146 nv = 1+(Int) (fabs((points[npoints-1][1] - points[0][1])) * v_reso);
147
148 if(nu > nv) n = nu;
149 else
150 n = nv;
151 if(n<1)
152 n = 1;
153 //du dv could be negative
154 Real du = (points[npoints-1][0] - points[0][0])/n;
155 Real dv = (points[npoints-1][1] - points[0][1])/n;
156 Real2 *temp = (Real2*) malloc(sizeof(Real2) * (n+1));
157 assert(temp);
158
159 Real u,v;
160 for(i=0, u=points[0][0], v=points[0][1]; i<n; i++, u+=du, v+=dv)
161 {
162 temp[i][0] = u;
163 temp[i][1] = v;
164 }
165 temp[n][0] = points[npoints-1][0];
166 temp[n][1] = points[npoints-1][1];
167
168 free(points);
169
170 npoints = n+1;
171 points = temp;
172
173}
174
176{
178 for(temp = this; temp != NULL; temp = temp->next)
179 {
180 temp->tessellate(u_reso, v_reso);
181 }
182}
void init(Int n_points, Real2 *pts)
Definition: sampledLine.cc:116
sampledLine * next
Definition: sampledLine.h:65
void tessellateAll(Real u_reso, Real v_reso)
Definition: sampledLine.cc:175
sampledLine * insert(sampledLine *nline)
Definition: sampledLine.cc:53
void tessellate(Real u_reso, Real v_reso)
Definition: sampledLine.cc:140
void setPoint(Int i, Real p[2])
Definition: sampledLine.cc:45
void print()
Definition: sampledLine.cc:129
void deleteList()
Definition: sampledLine.cc:59
#define free
Definition: debug_ros.c:5
#define malloc
Definition: debug_ros.c:4
int Int
Definition: definitions.h:37
float Real
Definition: definitions.h:36
Real Real2[2]
Definition: definitions.h:38
#define NULL
Definition: types.h:112
#define assert(x)
Definition: debug.h:53
#define printf
Definition: freeldr.h:97
const GLdouble * v
Definition: gl.h:2040
GLdouble n
Definition: glext.h:7729
GLfloat GLfloat p
Definition: glext.h:8902
GLsizei const GLfloat * points
Definition: glext.h:8112
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble * u
Definition: glfuncs.h:240
_Check_return_ _CRT_JIT_INTRINSIC double __cdecl fabs(_In_ double x)
Definition: fabs.c:17
static calc_node_t temp
Definition: rpn_ieee.c:38