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/* Copyright (c) 1989 Regents of the University of California */ |
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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
18 |
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|
19 |
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#include "calcomp.h" |
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|
21 |
< |
#define MAXINP 16 /* maximum number of input files */ |
21 |
> |
#define MAXINP 32 /* maximum number of input files */ |
22 |
> |
#define WINSIZ 9 /* scanline window size */ |
23 |
> |
#define MIDSCN 4 /* current scan position */ |
24 |
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|
25 |
+ |
#define BRT (-1) /* special index for brightness */ |
26 |
+ |
|
27 |
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struct { |
28 |
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char *name; /* file name */ |
29 |
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FILE *fp; /* stream pointer */ |
30 |
< |
COLOR *scan; /* input scanline */ |
30 |
> |
COLOR *scan[WINSIZ]; /* input scanline window */ |
31 |
> |
COLOR coef; /* coefficient */ |
32 |
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} input[MAXINP]; /* input pictures */ |
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|
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int nfiles; /* number of input files */ |
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|
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char *vcolin[3] = {"ri", "gi", "bi"}; |
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char *vcolout[3] = {"ro", "go", "bo"}; |
38 |
+ |
char vbrtin[] = "li"; |
39 |
+ |
char vbrtout[] = "lo"; |
40 |
+ |
char *vcolcoef[3] = {"rc", "gc", "bc"}; |
41 |
+ |
char vbrtcoef[] = "lc"; |
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|
43 |
+ |
#define vnfiles "nfiles" |
44 |
+ |
#define vxres "xres" |
45 |
+ |
#define vyres "yres" |
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#define vxpos "x" |
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#define vypos "y" |
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|
49 |
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int nowarn = 0; /* no warning messages? */ |
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|
51 |
+ |
int original = 0; /* origninal values? */ |
52 |
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|
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int xres=0, yres=0; /* picture resolution */ |
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|
55 |
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int xpos, ypos; /* picture position */ |
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|
57 |
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int wrongformat = 0; |
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|
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– |
tputs(s) /* put out string preceded by a tab */ |
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char *s; |
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{ |
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putchar('\t'); |
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fputs(s, stdout); |
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} |
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|
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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extern double l_redin(), l_grnin(), l_bluin(); |
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int a; |
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|
67 |
< |
funset(vcolin[RED], 1, l_redin); |
60 |
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funset(vcolin[GRN], 1, l_grnin); |
61 |
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funset(vcolin[BLU], 1, l_bluin); |
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|
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for (a = 1; a < argc; a++) |
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double f; |
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int a, i; |
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/* scan options */ |
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for (a = 1; a < argc; a++) { |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
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case '\0': |
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goto getfiles; |
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case 'x': |
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xres = atoi(argv[++a]); |
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break; |
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continue; |
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case 'y': |
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yres = atoi(argv[++a]); |
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break; |
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continue; |
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case 'w': |
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nowarn = !nowarn; |
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break; |
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continue; |
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case 'o': |
80 |
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original = !original; |
81 |
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continue; |
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case 'f': |
78 |
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fcompile(argv[++a]); |
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break; |
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case 'e': |
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scompile(NULL, argv[++a]); |
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break; |
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default: |
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eputs("Usage: "); |
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eputs(argv[0]); |
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eputs(" [-w][-x xres][-y yres][-e expr][-f file] [picture ..]\n"); |
87 |
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quit(1); |
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continue; |
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} |
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else |
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break; |
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getfiles: |
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break; |
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} |
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/* process files */ |
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for (nfiles = 0; nfiles < MAXINP; nfiles++) |
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setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
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nfiles = 0; |
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for ( ; a < argc; a++) { |
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if (nfiles >= MAXINP) { |
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eputs(": too many picture files\n"); |
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quit(1); |
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} |
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if (argv[a][0] == '-') { |
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input[nfiles].name = "<stdin>"; |
100 |
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input[nfiles].fp = stdin; |
101 |
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} else { |
98 |
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if (argv[a][0] == '-') |
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switch (argv[a][1]) { |
100 |
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case '\0': |
101 |
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input[nfiles].name = "<stdin>"; |
102 |
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input[nfiles].fp = stdin; |
103 |
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break; |
104 |
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case 's': |
105 |
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f = atof(argv[++a]); |
106 |
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scalecolor(input[nfiles].coef, f); |
107 |
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continue; |
108 |
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case 'c': |
109 |
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colval(input[nfiles].coef,RED)*=atof(argv[++a]); |
110 |
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colval(input[nfiles].coef,GRN)*=atof(argv[++a]); |
111 |
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colval(input[nfiles].coef,BLU)*=atof(argv[++a]); |
112 |
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continue; |
113 |
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default: |
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goto usage; |
115 |
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} |
116 |
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else { |
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input[nfiles].name = argv[a]; |
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input[nfiles].fp = fopen(argv[a], "r"); |
119 |
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if (input[nfiles].fp == NULL) { |
120 |
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eputs(argv[a]); |
107 |
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eputs(": cannot open\n"); |
120 |
> |
perror(argv[a]); |
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quit(1); |
122 |
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} |
123 |
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} |
124 |
< |
fputs(input[nfiles].name, stdout); |
124 |
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nfiles++; |
125 |
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} |
126 |
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initfiles(); /* initialize files and variables */ |
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/* go back and get expressions */ |
128 |
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for (a = 1; a < argc; a++) { |
129 |
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if (argv[a][0] == '-') |
130 |
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switch (argv[a][1]) { |
131 |
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case 'x': |
132 |
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case 'y': |
133 |
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case 'w': |
134 |
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case 'o': |
135 |
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continue; |
136 |
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case 'f': |
137 |
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fcompile(argv[++a]); |
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continue; |
139 |
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case 'e': |
140 |
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scompile(argv[++a], NULL, 0); |
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continue; |
142 |
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} |
143 |
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break; |
144 |
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} |
145 |
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/* complete header */ |
146 |
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printargs(argc, argv, stdout); |
147 |
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fputformat(COLRFMT, stdout); |
148 |
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putchar('\n'); |
149 |
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fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
150 |
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/* combine pictures */ |
151 |
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combine(); |
152 |
> |
quit(0); |
153 |
> |
usage: |
154 |
> |
eputs("Usage: "); |
155 |
> |
eputs(argv[0]); |
156 |
> |
eputs( |
157 |
> |
" [-w][-h][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
158 |
> |
quit(1); |
159 |
> |
} |
160 |
> |
|
161 |
> |
|
162 |
> |
tputs(s) /* put out string preceded by a tab */ |
163 |
> |
char *s; |
164 |
> |
{ |
165 |
> |
char fmt[32]; |
166 |
> |
double d; |
167 |
> |
COLOR ctmp; |
168 |
> |
|
169 |
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if (isformat(s)) { /* check format */ |
170 |
> |
formatval(fmt, s); |
171 |
> |
wrongformat = strcmp(fmt, COLRFMT); |
172 |
> |
} else if (original && isexpos(s)) { /* exposure */ |
173 |
> |
d = 1.0/exposval(s); |
174 |
> |
scalecolor(input[nfiles].coef, d); |
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> |
} else if (original && iscolcor(s)) { /* color correction */ |
176 |
> |
colcorval(ctmp, s); |
177 |
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colval(input[nfiles].coef,RED) /= colval(ctmp,RED); |
178 |
> |
colval(input[nfiles].coef,GRN) /= colval(ctmp,GRN); |
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> |
colval(input[nfiles].coef,BLU) /= colval(ctmp,BLU); |
180 |
> |
} else { /* echo unaffected line */ |
181 |
> |
putchar('\t'); |
182 |
> |
fputs(s, stdout); |
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} |
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|
185 |
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} |
186 |
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|
187 |
> |
|
188 |
> |
initfiles() /* ready files and set variables */ |
189 |
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{ |
190 |
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double l_colin(), l_coef(); |
191 |
> |
register int n, i; |
192 |
> |
/* process picture headers */ |
193 |
> |
for (n = 0; n < nfiles; n++) { |
194 |
> |
fputs(input[n].name, stdout); |
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fputs(":\n", stdout); |
196 |
< |
getheader(input[nfiles].fp, tputs); |
197 |
< |
if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) { |
198 |
< |
eputs(input[nfiles].name); |
196 |
> |
getheader(input[n].fp, tputs, NULL); |
197 |
> |
if (wrongformat) { |
198 |
> |
eputs(input[n].name); |
199 |
> |
eputs(": not in Radiance picture format\n"); |
200 |
> |
quit(1); |
201 |
> |
} |
202 |
> |
if (fgetresolu(&xpos, &ypos, input[n].fp) != (YMAJOR|YDECR)) { |
203 |
> |
eputs(input[n].name); |
204 |
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eputs(": bad picture size\n"); |
205 |
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quit(1); |
206 |
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} |
208 |
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xres = xpos; |
209 |
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yres = ypos; |
210 |
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} else if (xpos != xres || ypos != yres) { |
211 |
< |
eputs(argv[0]); |
211 |
> |
eputs(input[n].name); |
212 |
|
eputs(": resolution mismatch\n"); |
213 |
|
quit(1); |
214 |
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} |
215 |
< |
input[nfiles].scan = (COLOR *)emalloc(xres*sizeof(COLOR)); |
216 |
< |
nfiles++; |
215 |
> |
for (i = 0; i < WINSIZ; i++) |
216 |
> |
input[n].scan[i] = (COLOR *)emalloc(xres*sizeof(COLOR)); |
217 |
|
} |
218 |
< |
printargs(argc, argv, stdout); |
219 |
< |
putchar('\n'); |
220 |
< |
printf("-Y %d +X %d\n", yres, xres); |
221 |
< |
combine(); |
222 |
< |
quit(0); |
218 |
> |
/* prime input */ |
219 |
> |
for (ypos = yres+(MIDSCN-1); ypos >= yres; ypos--) |
220 |
> |
advance(); |
221 |
> |
/* define constants */ |
222 |
> |
varset(vnfiles, ':', (double)nfiles); |
223 |
> |
varset(vxres, ':', (double)xres); |
224 |
> |
varset(vyres, ':', (double)yres); |
225 |
> |
/* set functions */ |
226 |
> |
for (i = 0; i < 3; i++) { |
227 |
> |
funset(vcolcoef[i], 1, ':', l_coef); |
228 |
> |
funset(vcolin[i], 1, '=', l_colin); |
229 |
> |
} |
230 |
> |
funset(vbrtcoef, 1, ':', l_coef); |
231 |
> |
funset(vbrtin, 1, '=', l_colin); |
232 |
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} |
233 |
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|
234 |
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|
235 |
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combine() /* combine pictures */ |
236 |
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{ |
237 |
< |
int coldef[3]; |
237 |
> |
EPNODE *coldef[3], *brtdef; |
238 |
|
COLOR *scanout; |
239 |
+ |
double d; |
240 |
|
register int i, j; |
241 |
|
/* check defined variables */ |
242 |
< |
for (j = 0; j < 3; j++) |
243 |
< |
coldef[j] = vardefined(vcolout[j]); |
242 |
> |
for (j = 0; j < 3; j++) { |
243 |
> |
if (vardefined(vcolout[j])) |
244 |
> |
coldef[j] = eparse(vcolout[j]); |
245 |
> |
else |
246 |
> |
coldef[j] = NULL; |
247 |
> |
} |
248 |
> |
if (vardefined(vbrtout)) |
249 |
> |
brtdef = eparse(vbrtout); |
250 |
> |
else |
251 |
> |
brtdef = NULL; |
252 |
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/* allocate scanline */ |
253 |
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scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
254 |
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/* combine files */ |
255 |
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for (ypos = yres-1; ypos >= 0; ypos--) { |
256 |
< |
for (i = 0; i < nfiles; i++) |
257 |
< |
if (freadscan(input[i].scan, xres, input[i].fp) < 0) { |
258 |
< |
eputs(input[i].name); |
259 |
< |
eputs(": read error\n"); |
260 |
< |
quit(1); |
256 |
> |
advance(); |
257 |
> |
varset(vypos, '=', (double)ypos); |
258 |
> |
for (xpos = 0; xpos < xres; xpos++) { |
259 |
> |
varset(vxpos, '=', (double)xpos); |
260 |
> |
eclock++; |
261 |
> |
if (brtdef != NULL) { |
262 |
> |
d = evalue(brtdef); |
263 |
> |
if (d < 0.0) |
264 |
> |
d = 0.0; |
265 |
> |
setcolor(scanout[xpos], d, d, d); |
266 |
> |
} else { |
267 |
> |
for (j = 0; j < 3; j++) { |
268 |
> |
if (coldef[j] != NULL) { |
269 |
> |
d = evalue(coldef[j]); |
270 |
> |
} else { |
271 |
> |
d = 0.0; |
272 |
> |
for (i = 0; i < nfiles; i++) |
273 |
> |
d += colval(input[i].scan[MIDSCN][xpos],j); |
274 |
|
} |
275 |
< |
varset(vypos, (double)ypos); |
276 |
< |
for (xpos = 0; xpos < xres; xpos++) { |
277 |
< |
varset(vxpos, (double)xpos); |
278 |
< |
eclock++; |
160 |
< |
for (j = 0; j < 3; j++) |
161 |
< |
if (coldef[j]) { |
162 |
< |
colval(scanout[xpos],j) = varvalue(vcolout[j]); |
163 |
< |
if (colval(scanout[xpos],j) < 0.0) |
164 |
< |
colval(scanout[xpos],j) = 0.0; |
165 |
< |
} else { |
166 |
< |
colval(scanout[xpos],j) = 0.0; |
167 |
< |
for (i = 0; i < nfiles; i++) |
168 |
< |
colval(scanout[xpos],j) += colval(input[i].scan[xpos],j); |
169 |
< |
colval(scanout[xpos],j) /= (double)nfiles; |
170 |
< |
} |
275 |
> |
if (d < 0.0) |
276 |
> |
d = 0.0; |
277 |
> |
colval(scanout[xpos],j) = d; |
278 |
> |
} |
279 |
|
} |
280 |
< |
if (fwritescan(scanout, xres, stdout) < 0) { |
281 |
< |
eputs("write error\n"); |
282 |
< |
quit(1); |
283 |
< |
} |
280 |
> |
} |
281 |
> |
if (fwritescan(scanout, xres, stdout) < 0) { |
282 |
> |
perror("write error"); |
283 |
> |
quit(1); |
284 |
> |
} |
285 |
|
} |
286 |
|
efree(scanout); |
287 |
|
} |
288 |
|
|
289 |
|
|
290 |
< |
double |
182 |
< |
colin(fn, ci) /* return color value for picture */ |
183 |
< |
register int fn, ci; |
290 |
> |
advance() /* read in next scanline */ |
291 |
|
{ |
292 |
< |
if (fn == 0) |
293 |
< |
return((double)nfiles); |
294 |
< |
if (fn < 1 || fn > nfiles) { |
295 |
< |
errno = EDOM; |
296 |
< |
return(0.0); |
292 |
> |
register COLOR *st; |
293 |
> |
register int i, j; |
294 |
> |
|
295 |
> |
for (i = 0; i < nfiles; i++) { |
296 |
> |
st = input[i].scan[WINSIZ-1]; |
297 |
> |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
298 |
> |
input[i].scan[j] = input[i].scan[j-1]; |
299 |
> |
input[i].scan[0] = st; |
300 |
> |
if (ypos < MIDSCN) /* hit bottom */ |
301 |
> |
continue; |
302 |
> |
if (freadscan(st, xres, input[i].fp) < 0) { |
303 |
> |
eputs(input[i].name); |
304 |
> |
eputs(": read error\n"); |
305 |
> |
quit(1); |
306 |
> |
} |
307 |
> |
for (j = 0; j < xres; j++) /* adjust color */ |
308 |
> |
multcolor(st[j], input[i].coef); |
309 |
|
} |
191 |
– |
return(colval(input[fn-1].scan[xpos],ci)); |
310 |
|
} |
311 |
|
|
312 |
|
|
313 |
|
double |
314 |
< |
l_redin() /* get red color */ |
314 |
> |
l_coef(nam) /* return picture coefficients */ |
315 |
> |
register char *nam; |
316 |
|
{ |
317 |
< |
return(colin((int)(argument(1)+.5), RED)); |
318 |
< |
} |
317 |
> |
register int fn, n; |
318 |
> |
double d; |
319 |
|
|
320 |
< |
|
321 |
< |
double |
322 |
< |
l_grnin() /* get green color */ |
323 |
< |
{ |
324 |
< |
return(colin((int)(argument(1)+.5), GRN)); |
320 |
> |
fn = (d = argument(1)) - .5; |
321 |
> |
if (d <= -.5 || fn >= nfiles) { |
322 |
> |
errno = EDOM; |
323 |
> |
return(0.0); |
324 |
> |
} |
325 |
> |
if (d < .5) |
326 |
> |
return((double)nfiles); |
327 |
> |
if (nam == vbrtcoef) |
328 |
> |
return(bright(input[fn].coef)); |
329 |
> |
n = 3; |
330 |
> |
while (n--) |
331 |
> |
if (nam == vcolcoef[n]) |
332 |
> |
return(colval(input[fn].coef,n)); |
333 |
> |
eputs("Bad call to l_coef()!\n"); |
334 |
> |
quit(1); |
335 |
|
} |
336 |
|
|
337 |
|
|
338 |
|
double |
339 |
< |
l_bluin() /* get blue color */ |
339 |
> |
l_colin(nam) /* return color value for picture */ |
340 |
> |
register char *nam; |
341 |
|
{ |
342 |
< |
return(colin((int)(argument(1)+.5), BLU)); |
342 |
> |
int fn; |
343 |
> |
register int n, xoff, yoff; |
344 |
> |
double d; |
345 |
> |
|
346 |
> |
fn = (d = argument(1)) - .5; |
347 |
> |
if (d <= -.5 || fn >= nfiles) { |
348 |
> |
errno = EDOM; |
349 |
> |
return(0.0); |
350 |
> |
} |
351 |
> |
if (d < .5) |
352 |
> |
return((double)nfiles); |
353 |
> |
xoff = yoff = 0; |
354 |
> |
n = nargum(); |
355 |
> |
if (n >= 2) { |
356 |
> |
d = argument(2); |
357 |
> |
if (d < 0.0) { |
358 |
> |
xoff = d-.5; |
359 |
> |
if (xpos+xoff < 0) |
360 |
> |
xoff = -xpos; |
361 |
> |
} else { |
362 |
> |
xoff = d+.5; |
363 |
> |
if (xpos+xoff >= xres) |
364 |
> |
xoff = xres-1-xpos; |
365 |
> |
} |
366 |
> |
} |
367 |
> |
if (n >= 3) { |
368 |
> |
d = argument(3); |
369 |
> |
if (d < 0.0) { |
370 |
> |
yoff = d-.5; |
371 |
> |
if (yoff+MIDSCN < 0) |
372 |
> |
yoff = -MIDSCN; |
373 |
> |
if (ypos+yoff < 0) |
374 |
> |
yoff = -ypos; |
375 |
> |
} else { |
376 |
> |
yoff = d+.5; |
377 |
> |
if (yoff+MIDSCN >= WINSIZ) |
378 |
> |
yoff = WINSIZ-1-MIDSCN; |
379 |
> |
if (ypos+yoff >= yres) |
380 |
> |
yoff = yres-1-ypos; |
381 |
> |
} |
382 |
> |
} |
383 |
> |
if (nam == vbrtin) |
384 |
> |
return(bright(input[fn].scan[MIDSCN+yoff][xpos+xoff])); |
385 |
> |
n = 3; |
386 |
> |
while (n--) |
387 |
> |
if (nam == vcolin[n]) |
388 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xpos+xoff],n)); |
389 |
> |
eputs("Bad call to l_colin()!\n"); |
390 |
> |
quit(1); |
391 |
|
} |
392 |
|
|
393 |
|
|