5 |
|
* p_data.c - routine for stored patterns. |
6 |
|
*/ |
7 |
|
|
8 |
< |
/* ==================================================================== |
9 |
< |
* The Radiance Software License, Version 1.0 |
10 |
< |
* |
11 |
< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
12 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
13 |
< |
* |
14 |
< |
* Redistribution and use in source and binary forms, with or without |
15 |
< |
* modification, are permitted provided that the following conditions |
16 |
< |
* are met: |
17 |
< |
* |
18 |
< |
* 1. Redistributions of source code must retain the above copyright |
19 |
< |
* notice, this list of conditions and the following disclaimer. |
20 |
< |
* |
21 |
< |
* 2. Redistributions in binary form must reproduce the above copyright |
22 |
< |
* notice, this list of conditions and the following disclaimer in |
23 |
< |
* the documentation and/or other materials provided with the |
24 |
< |
* distribution. |
25 |
< |
* |
26 |
< |
* 3. The end-user documentation included with the redistribution, |
27 |
< |
* if any, must include the following acknowledgment: |
28 |
< |
* "This product includes Radiance software |
29 |
< |
* (http://radsite.lbl.gov/) |
30 |
< |
* developed by the Lawrence Berkeley National Laboratory |
31 |
< |
* (http://www.lbl.gov/)." |
32 |
< |
* Alternately, this acknowledgment may appear in the software itself, |
33 |
< |
* if and wherever such third-party acknowledgments normally appear. |
34 |
< |
* |
35 |
< |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
36 |
< |
* and "The Regents of the University of California" must |
37 |
< |
* not be used to endorse or promote products derived from this |
38 |
< |
* software without prior written permission. For written |
39 |
< |
* permission, please contact [email protected]. |
40 |
< |
* |
41 |
< |
* 5. Products derived from this software may not be called "Radiance", |
42 |
< |
* nor may "Radiance" appear in their name, without prior written |
43 |
< |
* permission of Lawrence Berkeley National Laboratory. |
44 |
< |
* |
45 |
< |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
46 |
< |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
47 |
< |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
48 |
< |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
49 |
< |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
50 |
< |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
51 |
< |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
52 |
< |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
53 |
< |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
54 |
< |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
55 |
< |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
56 |
< |
* SUCH DAMAGE. |
57 |
< |
* ==================================================================== |
58 |
< |
* |
59 |
< |
* This software consists of voluntary contributions made by many |
60 |
< |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
61 |
< |
* information on Lawrence Berkeley National Laboratory, please see |
62 |
< |
* <http://www.lbl.gov/>. |
63 |
< |
*/ |
8 |
> |
#include "copyright.h" |
9 |
|
|
10 |
|
#include "ray.h" |
66 |
– |
|
11 |
|
#include "data.h" |
68 |
– |
|
12 |
|
#include "func.h" |
13 |
+ |
#include "rtotypes.h" |
14 |
|
|
15 |
|
/* |
16 |
|
* A stored pattern can either be brightness or |
46 |
|
*/ |
47 |
|
|
48 |
|
|
49 |
< |
p_bdata(m, r) /* interpolate brightness data */ |
50 |
< |
register OBJREC *m; |
51 |
< |
RAY *r; |
49 |
> |
extern int |
50 |
> |
p_bdata( /* interpolate brightness data */ |
51 |
> |
register OBJREC *m, |
52 |
> |
RAY *r |
53 |
> |
) |
54 |
|
{ |
55 |
|
double bval; |
56 |
|
double pt[MAXDIM]; |
67 |
|
errno = 0; |
68 |
|
for (i = dp->nd; i-- > 0; ) { |
69 |
|
pt[i] = evalue(mf->ep[i]); |
70 |
< |
if (errno) |
70 |
> |
if (errno == EDOM || errno == ERANGE) |
71 |
|
goto computerr; |
72 |
|
} |
73 |
|
bval = datavalue(dp, pt); |
74 |
|
errno = 0; |
75 |
|
bval = funvalue(m->oargs.sarg[0], 1, &bval); |
76 |
< |
if (errno) |
76 |
> |
if (errno == EDOM || errno == ERANGE) |
77 |
|
goto computerr; |
78 |
|
scalecolor(r->pcol, bval); |
79 |
|
return(0); |
83 |
|
} |
84 |
|
|
85 |
|
|
86 |
< |
p_cdata(m, r) /* interpolate color data */ |
87 |
< |
register OBJREC *m; |
88 |
< |
RAY *r; |
86 |
> |
extern int |
87 |
> |
p_cdata( /* interpolate color data */ |
88 |
> |
register OBJREC *m, |
89 |
> |
RAY *r |
90 |
> |
) |
91 |
|
{ |
92 |
|
double col[3]; |
93 |
|
COLOR cval; |
106 |
|
errno = 0; |
107 |
|
for (i = 0; i < nv; i++) { |
108 |
|
pt[i] = evalue(mf->ep[i]); |
109 |
< |
if (errno) |
109 |
> |
if (errno == EDOM || errno == ERANGE) |
110 |
|
goto computerr; |
111 |
|
} |
112 |
|
col[0] = datavalue(dp, pt); |
122 |
|
colval(cval,i) = funvalue(m->oargs.sarg[i], 1, col+i); |
123 |
|
else |
124 |
|
colval(cval,i) = funvalue(m->oargs.sarg[i], 3, col); |
125 |
< |
if (errno) |
125 |
> |
if (errno == EDOM || errno == ERANGE) |
126 |
|
goto computerr; |
127 |
|
multcolor(r->pcol, cval); |
128 |
|
return(0); |
132 |
|
} |
133 |
|
|
134 |
|
|
135 |
< |
p_pdata(m, r) /* interpolate picture data */ |
136 |
< |
register OBJREC *m; |
137 |
< |
RAY *r; |
135 |
> |
extern int |
136 |
> |
p_pdata( /* interpolate picture data */ |
137 |
> |
register OBJREC *m, |
138 |
> |
RAY *r |
139 |
> |
) |
140 |
|
{ |
141 |
|
double col[3]; |
142 |
|
COLOR cval; |
152 |
|
errno = 0; |
153 |
|
pt[1] = evalue(mf->ep[0]); /* y major ordering */ |
154 |
|
pt[0] = evalue(mf->ep[1]); |
155 |
< |
if (errno) |
155 |
> |
if (errno == EDOM || errno == ERANGE) |
156 |
|
goto computerr; |
157 |
|
dp = getpict(m->oargs.sarg[3]); |
158 |
|
for (i = 0; i < 3; i++) |
163 |
|
colval(cval,i) = funvalue(m->oargs.sarg[i], 1, col+i); |
164 |
|
else |
165 |
|
colval(cval,i) = funvalue(m->oargs.sarg[i], 3, col); |
166 |
< |
if (errno) |
166 |
> |
if (errno == EDOM || errno == ERANGE) |
167 |
|
goto computerr; |
168 |
|
multcolor(r->pcol, cval); |
169 |
|
return(0); |