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 "nurbsconsts.h"
44
45
46 /*--------------------------------------------------------------------------
47 * Renderhints::Renderhints - set all window specific options
48 *--------------------------------------------------------------------------
49 */
Renderhints()50 Renderhints::Renderhints()
51 {
52 display_method = N_FILL;
53 errorchecking = N_MSG;
54 subdivisions = 6.0;
55 tmp1 = 0.0;
56 displaydomain = 0;
57 maxsubdivisions = (int) subdivisions;
58 wiretris = 0;
59 wirequads = 0;
60 }
61
62 void
init(void)63 Renderhints::init( void )
64 {
65 maxsubdivisions = (int) subdivisions;
66 if( maxsubdivisions < 0 ) maxsubdivisions = 0;
67
68
69 if( display_method == N_FILL ) {
70 wiretris = 0;
71 wirequads = 0;
72 } else if( display_method == N_OUTLINE_TRI ) {
73 wiretris = 1;
74 wirequads = 0;
75 } else if( display_method == N_OUTLINE_QUAD ) {
76 wiretris = 0;
77 wirequads = 1;
78 } else {
79 wiretris = 1;
80 wirequads = 1;
81 }
82 }
83
84 int
isProperty(long property)85 Renderhints::isProperty( long property )
86 {
87 switch ( property ) {
88 case N_DISPLAY:
89 case N_ERRORCHECKING:
90 case N_SUBDIVISIONS:
91 case N_TMP1:
92 return 1;
93 default:
94 return 0;
95 }
96 }
97
98 REAL
getProperty(long property)99 Renderhints::getProperty( long property )
100 {
101 switch ( property ) {
102 case N_DISPLAY:
103 return display_method;
104 case N_ERRORCHECKING:
105 return errorchecking;
106 case N_SUBDIVISIONS:
107 return subdivisions;
108 case N_TMP1:
109 return tmp1;
110 default:
111 abort();
112 return -1; //not necessary, needed to shut up compiler
113 }
114 }
115
116 void
setProperty(long property,REAL value)117 Renderhints::setProperty( long property, REAL value )
118 {
119 switch ( property ) {
120 case N_DISPLAY:
121 display_method = value;
122 break;
123 case N_ERRORCHECKING:
124 errorchecking = value;
125 break;
126 case N_SUBDIVISIONS:
127 subdivisions = value;
128 break;
129 case N_TMP1: /* unused */
130 tmp1 = value;
131 break;
132 default:
133 abort();
134 break;
135 }
136 }
137