ReactOS 0.4.15-dev-8422-g6219a1a
arcsorter.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 * arcsorter.c++
37 *
38 */
39
40#ifndef __gluarcsorter_c_
41#define __gluarcsorter_c_
42
43//#include "glimports.h"
44//#include "arc.h"
45#include "arcsorter.h"
46#include "subdivider.h"
47
49{
50}
51
52int
53ArcSorter::qscmp( char *, char * )
54{
55 _glu_dprintf( "ArcSorter::qscmp: pure virtual called\n" );
56 return 0;
57}
58
59void
61{
62 Sorter::qsort( (void *) a, n );
63}
64
65void
66ArcSorter::qsexc( char *i, char *j )// i<-j, j<-i
67{
68 Arc **jarc1 = (Arc **) i;
69 Arc **jarc2 = (Arc **) j;
70 Arc *tmp = *jarc1;
71 *jarc1 = *jarc2;
72 *jarc2 = tmp;
73}
74
75void
76ArcSorter::qstexc( char *i, char *j, char *k )// i<-k, k<-j, j<-i
77{
78 Arc **jarc1 = (Arc **) i;
79 Arc **jarc2 = (Arc **) j;
80 Arc **jarc3 = (Arc **) k;
81 Arc *tmp = *jarc1;
82 *jarc1 = *jarc3;
83 *jarc3 = *jarc2;
84 *jarc2 = tmp;
85}
86
87
89{
90}
91
92int
93ArcSdirSorter::qscmp( char *i, char *j )
94{
95 Arc *jarc1 = *(Arc **) i;
96 Arc *jarc2 = *(Arc **) j;
97
98 int v1 = (jarc1->getitail() ? 0 : (jarc1->pwlArc->npts - 1));
99 int v2 = (jarc2->getitail() ? 0 : (jarc2->pwlArc->npts - 1));
100
101 REAL diff = jarc1->pwlArc->pts[v1].param[1] -
102 jarc2->pwlArc->pts[v2].param[1];
103
104 if( diff < 0.0)
105 return -1;
106 else if( diff > 0.0)
107 return 1;
108 else {
109 if( v1 == 0 ) {
110 if( jarc2->tail()[0] < jarc1->tail()[0] ) {
111 return subdivider.ccwTurn_sl( jarc2, jarc1 ) ? 1 : -1;
112 } else {
113 return subdivider.ccwTurn_sr( jarc2, jarc1 ) ? -1 : 1;
114 }
115 } else {
116 if( jarc2->head()[0] < jarc1->head()[0] ) {
117 return subdivider.ccwTurn_sl( jarc1, jarc2 ) ? -1 : 1;
118 } else {
119 return subdivider.ccwTurn_sr( jarc1, jarc2 ) ? 1 : -1;
120 }
121 }
122 }
123}
124
126{
127}
128
129/*----------------------------------------------------------------------------
130 * ArcTdirSorter::qscmp -
131 * compare two axis monotone arcs that are incident
132 * to the line T == compare_value. Determine which of the
133 * two intersects that line with a LESSER S value. If
134 * jarc1 does, return 1. If jarc2 does, return -1.
135 *----------------------------------------------------------------------------
136 */
137int
138ArcTdirSorter::qscmp( char *i, char *j )
139{
140 Arc *jarc1 = *(Arc **) i;
141 Arc *jarc2 = *(Arc **) j;
142
143 int v1 = (jarc1->getitail() ? 0 : (jarc1->pwlArc->npts - 1));
144 int v2 = (jarc2->getitail() ? 0 : (jarc2->pwlArc->npts - 1));
145
146 REAL diff = jarc1->pwlArc->pts[v1].param[0] -
147 jarc2->pwlArc->pts[v2].param[0];
148
149 if( diff < 0.0)
150 return 1;
151 else if( diff > 0.0)
152 return -1;
153 else {
154 if( v1 == 0 ) {
155 if (jarc2->tail()[1] < jarc1->tail()[1]) {
156 return subdivider.ccwTurn_tl( jarc2, jarc1 ) ? 1 : -1;
157 } else {
158 return subdivider.ccwTurn_tr( jarc2, jarc1 ) ? -1 : 1;
159 }
160 } else {
161 if( jarc2->head()[1] < jarc1->head()[1] ) {
162 return subdivider.ccwTurn_tl( jarc1, jarc2 ) ? -1 : 1;
163 } else {
164 return subdivider.ccwTurn_tr( jarc1, jarc2 ) ? 1 : -1;
165 }
166 }
167 }
168}
169
170
171
172#endif /* __gluarcsorter_c_ */
ArcSdirSorter(Subdivider &)
Definition: arcsorter.cc:88
int qscmp(char *, char *)
Definition: arcsorter.cc:93
virtual int qscmp(char *, char *)
Definition: arcsorter.cc:53
Subdivider & subdivider
Definition: arcsorter.h:50
void qsexc(char *i, char *j)
Definition: arcsorter.cc:66
void qsort(Arc **a, int n)
Definition: arcsorter.cc:60
void qstexc(char *i, char *j, char *k)
Definition: arcsorter.cc:76
ArcSorter(Subdivider &)
Definition: arcsorter.cc:48
ArcTdirSorter(Subdivider &)
Definition: arcsorter.cc:125
int qscmp(char *, char *)
Definition: arcsorter.cc:138
Definition: arc.h:55
int getitail()
Definition: arc.h:97
REAL * tail()
Definition: arc.h:88
REAL * head()
Definition: arc.h:89
PwlArc * pwlArc
Definition: arc.h:65
int npts
Definition: pwlarc.h:47
TrimVertex * pts
Definition: pwlarc.h:46
Definition: sorter.h:36
void qsort(void *a, int n)
Definition: sorter.cc:50
int ccwTurn_sr(Arc_ptr, Arc_ptr)
Definition: ccw.cc:57
int ccwTurn_tl(Arc_ptr, Arc_ptr)
Definition: ccw.cc:396
int ccwTurn_sl(Arc_ptr, Arc_ptr)
Definition: ccw.cc:170
int ccwTurn_tr(Arc_ptr, Arc_ptr)
Definition: ccw.cc:283
REAL param[2]
Definition: trimvertex.h:45
float REAL
Definition: types.h:41
GLdouble s
Definition: gl.h:2039
GLdouble n
Definition: glext.h:7729
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
GLfloat GLfloat v1
Definition: glext.h:6062
GLfloat GLfloat GLfloat v2
Definition: glext.h:6063
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 const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
int k
Definition: mpi.c:3369
ActualNumberDriverObjects * sizeof(PDRIVER_OBJECT)) PDRIVER_OBJECT *DriverObjectList