FreeWRL / FreeX3D 4.3.0
renderhints.cc
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 * renderhints.c++
37 *
38 */
39
40#include "glimports.h"
41#include "mystdio.h"
42#include "renderhints.h"
43#include "defines.h"
44#include "nurbsconsts.h"
45
46
47/*--------------------------------------------------------------------------
48 * Renderhints::Renderhints - set all window specific options
49 *--------------------------------------------------------------------------
50 */
51Renderhints::Renderhints()
52{
53 display_method = N_FILL;
54 errorchecking = N_MSG;
55 subdivisions = 6.0;
56 tmp1 = 0.0;
57}
58
59void
60Renderhints::init( void )
61{
62 maxsubdivisions = (int) subdivisions;
63 if( maxsubdivisions < 0 ) maxsubdivisions = 0;
64
65
66 if( display_method == N_FILL ) {
67 wiretris = 0;
68 wirequads = 0;
69 } else if( display_method == N_OUTLINE_TRI ) {
70 wiretris = 1;
71 wirequads = 0;
72 } else if( display_method == N_OUTLINE_QUAD ) {
73 wiretris = 0;
74 wirequads = 1;
75 } else {
76 wiretris = 1;
77 wirequads = 1;
78 }
79}
80
81int
82Renderhints::isProperty( long property )
83{
84 switch ( property ) {
85 case N_DISPLAY:
86 case N_ERRORCHECKING:
87 case N_SUBDIVISIONS:
88 case N_TMP1:
89 return 1;
90 default:
91 return 0;
92 }
93}
94
95REAL
96Renderhints::getProperty( long property )
97{
98 switch ( property ) {
99 case N_DISPLAY:
100 return display_method;
101 case N_ERRORCHECKING:
102 return errorchecking;
103 case N_SUBDIVISIONS:
104 return subdivisions;
105 case N_TMP1:
106 return tmp1;
107 default:
108 abort();
109 return -1; //not necessary, needed to shut up compiler
110 }
111}
112
113void
114Renderhints::setProperty( long property, REAL value )
115{
116 switch ( property ) {
117 case N_DISPLAY:
118 display_method = value;
119 break;
120 case N_ERRORCHECKING:
121 errorchecking = value;
122 break;
123 case N_SUBDIVISIONS:
124 subdivisions = value;
125 break;
126 case N_TMP1: /* unused */
127 tmp1 = value;
128 break;
129 default:
130 abort();
131 break;
132 }
133}