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/* Copyright (c) 1989 Regents of the University of California */ |
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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
12 |
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|
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#include <stdio.h> |
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|
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#ifdef MSDOS |
16 |
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#include <fcntl.h> |
17 |
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#endif |
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|
19 |
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#include <errno.h> |
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|
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#include "color.h" |
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|
23 |
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#include "resolu.h" |
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|
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#include "calcomp.h" |
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|
27 |
< |
#define MAXINP 16 /* maximum number of input files */ |
27 |
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#define MAXINP 32 /* maximum number of input files */ |
28 |
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#define WINSIZ 9 /* scanline window size */ |
29 |
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#define MIDSCN 4 /* current scan position */ |
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|
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struct { |
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char *name; /* file name */ |
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char *name; /* file or command name */ |
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FILE *fp; /* stream pointer */ |
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COLOR *scan; /* input scanline */ |
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COLOR *scan[WINSIZ]; /* input scanline window */ |
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COLOR coef; /* coefficient */ |
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COLOR expos; /* recorded exposure */ |
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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"}; |
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char Command[] = "<Command>"; |
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> |
char vcolin[3][4] = {"ri", "gi", "bi"}; |
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char vcolout[3][4] = {"ro", "go", "bo"}; |
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char vbrtin[] = "li"; |
45 |
> |
char vbrtout[] = "lo"; |
46 |
> |
char vcolexp[3][4] = {"re", "ge", "be"}; |
47 |
> |
char vbrtexp[] = "le"; |
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|
49 |
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#define vxpos "x" |
50 |
< |
#define vypos "y" |
49 |
> |
char vnfiles[] = "nfiles"; |
50 |
> |
char vxmax[] = "xmax"; |
51 |
> |
char vymax[] = "ymax"; |
52 |
> |
char vxres[] = "xres"; |
53 |
> |
char vyres[] = "yres"; |
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> |
char vxpos[] = "x"; |
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char vypos[] = "y"; |
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|
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int nowarn = 0; /* no warning messages? */ |
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|
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int xres=0, yres=0; /* picture resolution */ |
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int xmax = 0, ymax = 0; /* input resolution */ |
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|
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int xpos, ypos; /* picture position */ |
61 |
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int xscan, yscan; /* input position */ |
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|
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int xres, yres; /* output resolution */ |
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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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int xpos, ypos; /* output position */ |
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|
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int wrongformat = 0; |
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|
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FILE *popen(); |
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|
71 |
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extern char *emalloc(); |
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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; |
80 |
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|
81 |
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funset(vcolin[RED], 1, l_redin); |
82 |
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funset(vcolin[GRN], 1, l_grnin); |
83 |
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funset(vcolin[BLU], 1, l_bluin); |
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|
85 |
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for (a = 1; a < argc; a++) |
78 |
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int original; |
79 |
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double f; |
80 |
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int a, i; |
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#ifdef MSDOS |
82 |
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extern int _fmode; |
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_fmode = O_BINARY; |
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setmode(fileno(stdin), O_BINARY); |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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/* scan options */ |
88 |
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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': |
69 |
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xres = atoi(argv[++a]); |
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break; |
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case 'y': |
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yres = atoi(argv[++a]); |
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break; |
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a++; |
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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 'f': |
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fcompile(argv[++a]); |
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break; |
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case 'e': |
100 |
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scompile(NULL, argv[++a]); |
101 |
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break; |
83 |
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default: |
84 |
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eputs("Usage: "); |
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eputs(argv[0]); |
86 |
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eputs(" [-w][-x xres][-y yres][-e expr][-f file] [picture ..]\n"); |
87 |
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quit(1); |
100 |
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a++; |
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continue; |
102 |
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} |
103 |
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else |
104 |
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break; |
105 |
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getfiles: |
103 |
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break; |
104 |
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} |
105 |
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/* process files */ |
106 |
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for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
107 |
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setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
108 |
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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
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} |
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nfiles = 0; |
111 |
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original = 0; |
112 |
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for ( ; a < argc; a++) { |
113 |
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if (nfiles >= MAXINP) { |
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eputs(argv[0]); |
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eputs(": too many picture files\n"); |
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quit(1); |
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} |
118 |
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if (argv[a][0] == '-') { |
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input[nfiles].name = "<stdin>"; |
120 |
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input[nfiles].fp = stdin; |
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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"); |
118 |
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if (argv[a][0] == '-') |
119 |
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switch (argv[a][1]) { |
120 |
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case '\0': |
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input[nfiles].name = "<stdin>"; |
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input[nfiles].fp = stdin; |
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break; |
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case 'o': |
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original++; |
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continue; |
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case 's': |
128 |
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f = atof(argv[++a]); |
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scalecolor(input[nfiles].coef, f); |
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continue; |
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case 'c': |
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colval(input[nfiles].coef,RED)*=atof(argv[++a]); |
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colval(input[nfiles].coef,GRN)*=atof(argv[++a]); |
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colval(input[nfiles].coef,BLU)*=atof(argv[++a]); |
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continue; |
136 |
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default: |
137 |
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goto usage; |
138 |
> |
} |
139 |
> |
else { |
140 |
> |
if (argv[a][0] == '!') { |
141 |
> |
input[nfiles].name = Command; |
142 |
> |
input[nfiles].fp = popen(argv[a]+1, "r"); |
143 |
> |
} else { |
144 |
> |
input[nfiles].name = argv[a]; |
145 |
> |
input[nfiles].fp = fopen(argv[a], "r"); |
146 |
> |
} |
147 |
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if (input[nfiles].fp == NULL) { |
148 |
< |
eputs(argv[a]); |
107 |
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eputs(": cannot open\n"); |
148 |
> |
perror(argv[a]); |
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quit(1); |
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} |
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} |
152 |
< |
fputs(input[nfiles].name, stdout); |
153 |
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fputs(":\n", stdout); |
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< |
getheader(input[nfiles].fp, tputs); |
155 |
< |
if (fscanf(input[nfiles].fp, "-Y %d +X %d\n", &ypos, &xpos) != 2) { |
156 |
< |
eputs(input[nfiles].name); |
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eputs(": bad picture size\n"); |
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< |
quit(1); |
152 |
> |
checkfile(); |
153 |
> |
if (original) { |
154 |
> |
colval(input[nfiles].coef,RED) /= |
155 |
> |
colval(input[nfiles].expos,RED); |
156 |
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colval(input[nfiles].coef,GRN) /= |
157 |
> |
colval(input[nfiles].expos,GRN); |
158 |
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colval(input[nfiles].coef,BLU) /= |
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> |
colval(input[nfiles].expos,BLU); |
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} |
119 |
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if (xres == 0 && yres == 0) { |
120 |
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xres = xpos; |
121 |
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yres = ypos; |
122 |
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} else if (xpos != xres || ypos != yres) { |
123 |
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eputs(argv[0]); |
124 |
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eputs(": resolution mismatch\n"); |
125 |
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quit(1); |
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} |
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input[nfiles].scan = (COLOR *)emalloc(xres*sizeof(COLOR)); |
161 |
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nfiles++; |
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+ |
original = 0; |
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} |
164 |
+ |
init(); /* set constants */ |
165 |
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/* go back and get expressions */ |
166 |
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for (a = 1; a < argc; a++) { |
167 |
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if (argv[a][0] == '-') |
168 |
+ |
switch (argv[a][1]) { |
169 |
+ |
case 'x': |
170 |
+ |
varset(vxres, ':', eval(argv[++a])); |
171 |
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continue; |
172 |
+ |
case 'y': |
173 |
+ |
varset(vyres, ':', eval(argv[++a])); |
174 |
+ |
continue; |
175 |
+ |
case 'w': |
176 |
+ |
continue; |
177 |
+ |
case 'f': |
178 |
+ |
fcompile(argv[++a]); |
179 |
+ |
continue; |
180 |
+ |
case 'e': |
181 |
+ |
scompile(argv[++a], NULL, 0); |
182 |
+ |
continue; |
183 |
+ |
} |
184 |
+ |
break; |
185 |
+ |
} |
186 |
+ |
/* set/get output resolution */ |
187 |
+ |
if (!vardefined(vxres)) |
188 |
+ |
varset(vxres, ':', (double)xmax); |
189 |
+ |
if (!vardefined(vyres)) |
190 |
+ |
varset(vyres, ':', (double)ymax); |
191 |
+ |
xres = varvalue(vxres) + .5; |
192 |
+ |
yres = varvalue(vyres) + .5; |
193 |
+ |
if (xres <= 0 || yres <= 0) { |
194 |
+ |
eputs(argv[0]); |
195 |
+ |
eputs(": illegal output resolution\n"); |
196 |
+ |
quit(1); |
197 |
+ |
} |
198 |
+ |
/* complete header */ |
199 |
|
printargs(argc, argv, stdout); |
200 |
+ |
fputformat(COLRFMT, stdout); |
201 |
|
putchar('\n'); |
202 |
< |
printf("-Y %d +X %d\n", yres, xres); |
202 |
> |
fprtresolu(xres, yres, stdout); |
203 |
> |
/* combine pictures */ |
204 |
|
combine(); |
205 |
|
quit(0); |
206 |
+ |
usage: |
207 |
+ |
eputs("Usage: "); |
208 |
+ |
eputs(argv[0]); |
209 |
+ |
eputs( |
210 |
+ |
" [-w][-x xr][-y yr][-e expr][-f file] [ [-s f][-c r g b] pic ..]\n"); |
211 |
+ |
quit(1); |
212 |
|
} |
213 |
|
|
214 |
|
|
215 |
+ |
tputs(s) /* put out string preceded by a tab */ |
216 |
+ |
char *s; |
217 |
+ |
{ |
218 |
+ |
char fmt[32]; |
219 |
+ |
double d; |
220 |
+ |
COLOR ctmp; |
221 |
+ |
|
222 |
+ |
if (isformat(s)) { /* check format */ |
223 |
+ |
formatval(fmt, s); |
224 |
+ |
wrongformat = strcmp(fmt, COLRFMT); |
225 |
+ |
return; /* don't echo */ |
226 |
+ |
} |
227 |
+ |
if (isexpos(s)) { /* exposure */ |
228 |
+ |
d = exposval(s); |
229 |
+ |
scalecolor(input[nfiles].expos, d); |
230 |
+ |
} else if (iscolcor(s)) { /* color correction */ |
231 |
+ |
colcorval(ctmp, s); |
232 |
+ |
multcolor(input[nfiles].expos, ctmp); |
233 |
+ |
} |
234 |
+ |
/* echo line */ |
235 |
+ |
putchar('\t'); |
236 |
+ |
fputs(s, stdout); |
237 |
+ |
} |
238 |
+ |
|
239 |
+ |
|
240 |
+ |
checkfile() /* ready a file */ |
241 |
+ |
{ |
242 |
+ |
int xinp, yinp; |
243 |
+ |
register int i; |
244 |
+ |
/* process header */ |
245 |
+ |
fputs(input[nfiles].name, stdout); |
246 |
+ |
fputs(":\n", stdout); |
247 |
+ |
getheader(input[nfiles].fp, tputs, NULL); |
248 |
+ |
if (wrongformat) { |
249 |
+ |
eputs(input[nfiles].name); |
250 |
+ |
eputs(": not in Radiance picture format\n"); |
251 |
+ |
quit(1); |
252 |
+ |
} |
253 |
+ |
if (fgetresolu(&xinp, &yinp, input[nfiles].fp) < 0) { |
254 |
+ |
eputs(input[nfiles].name); |
255 |
+ |
eputs(": bad picture size\n"); |
256 |
+ |
quit(1); |
257 |
+ |
} |
258 |
+ |
if (xmax == 0 && ymax == 0) { |
259 |
+ |
xmax = xinp; |
260 |
+ |
ymax = yinp; |
261 |
+ |
} else if (xinp != xmax || yinp != ymax) { |
262 |
+ |
eputs(input[nfiles].name); |
263 |
+ |
eputs(": resolution mismatch\n"); |
264 |
+ |
quit(1); |
265 |
+ |
} |
266 |
+ |
/* allocate scanlines */ |
267 |
+ |
for (i = 0; i < WINSIZ; i++) |
268 |
+ |
input[nfiles].scan[i] = (COLOR *)emalloc(xmax*sizeof(COLOR)); |
269 |
+ |
} |
270 |
+ |
|
271 |
+ |
|
272 |
+ |
init() /* perform final setup */ |
273 |
+ |
{ |
274 |
+ |
double l_colin(), l_expos(); |
275 |
+ |
register int i; |
276 |
+ |
/* define constants */ |
277 |
+ |
varset(vnfiles, ':', (double)nfiles); |
278 |
+ |
varset(vxmax, ':', (double)xmax); |
279 |
+ |
varset(vymax, ':', (double)ymax); |
280 |
+ |
/* set functions */ |
281 |
+ |
for (i = 0; i < 3; i++) { |
282 |
+ |
funset(vcolexp[i], 1, ':', l_expos); |
283 |
+ |
funset(vcolin[i], 1, '=', l_colin); |
284 |
+ |
} |
285 |
+ |
funset(vbrtexp, 1, ':', l_expos); |
286 |
+ |
funset(vbrtin, 1, '=', l_colin); |
287 |
+ |
} |
288 |
+ |
|
289 |
+ |
|
290 |
|
combine() /* combine pictures */ |
291 |
|
{ |
292 |
< |
int coldef[3]; |
292 |
> |
EPNODE *coldef[3], *brtdef; |
293 |
|
COLOR *scanout; |
294 |
+ |
double d; |
295 |
|
register int i, j; |
296 |
|
/* check defined variables */ |
297 |
< |
for (j = 0; j < 3; j++) |
298 |
< |
coldef[j] = vardefined(vcolout[j]); |
297 |
> |
for (j = 0; j < 3; j++) { |
298 |
> |
if (vardefined(vcolout[j])) |
299 |
> |
coldef[j] = eparse(vcolout[j]); |
300 |
> |
else |
301 |
> |
coldef[j] = NULL; |
302 |
> |
} |
303 |
> |
if (vardefined(vbrtout)) |
304 |
> |
brtdef = eparse(vbrtout); |
305 |
> |
else |
306 |
> |
brtdef = NULL; |
307 |
|
/* allocate scanline */ |
308 |
|
scanout = (COLOR *)emalloc(xres*sizeof(COLOR)); |
309 |
+ |
/* set input position */ |
310 |
+ |
yscan = ymax+MIDSCN; |
311 |
|
/* combine files */ |
312 |
|
for (ypos = yres-1; ypos >= 0; ypos--) { |
313 |
< |
for (i = 0; i < nfiles; i++) |
314 |
< |
if (freadscan(input[i].scan, xres, input[i].fp) < 0) { |
315 |
< |
eputs(input[i].name); |
316 |
< |
eputs(": read error\n"); |
317 |
< |
quit(1); |
313 |
> |
advance(); |
314 |
> |
varset(vypos, '=', (double)ypos); |
315 |
> |
for (xpos = 0; xpos < xres; xpos++) { |
316 |
> |
xscan = (long)xpos*xmax/xres; |
317 |
> |
varset(vxpos, '=', (double)xpos); |
318 |
> |
eclock++; |
319 |
> |
if (brtdef != NULL) { |
320 |
> |
d = evalue(brtdef); |
321 |
> |
if (d < 0.0) |
322 |
> |
d = 0.0; |
323 |
> |
setcolor(scanout[xpos], d, d, d); |
324 |
> |
} else { |
325 |
> |
for (j = 0; j < 3; j++) { |
326 |
> |
if (coldef[j] != NULL) { |
327 |
> |
d = evalue(coldef[j]); |
328 |
> |
} else { |
329 |
> |
d = 0.0; |
330 |
> |
for (i = 0; i < nfiles; i++) |
331 |
> |
d += colval(input[i].scan[MIDSCN][xscan],j); |
332 |
|
} |
333 |
< |
varset(vypos, (double)ypos); |
334 |
< |
for (xpos = 0; xpos < xres; xpos++) { |
335 |
< |
varset(vxpos, (double)xpos); |
336 |
< |
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 |
< |
} |
333 |
> |
if (d < 0.0) |
334 |
> |
d = 0.0; |
335 |
> |
colval(scanout[xpos],j) = d; |
336 |
> |
} |
337 |
|
} |
338 |
< |
if (fwritescan(scanout, xres, stdout) < 0) { |
339 |
< |
eputs("write error\n"); |
340 |
< |
quit(1); |
341 |
< |
} |
338 |
> |
} |
339 |
> |
if (fwritescan(scanout, xres, stdout) < 0) { |
340 |
> |
perror("write error"); |
341 |
> |
quit(1); |
342 |
> |
} |
343 |
|
} |
344 |
|
efree(scanout); |
345 |
|
} |
346 |
|
|
347 |
|
|
348 |
< |
double |
181 |
< |
colin(fn, ci) /* return color value for picture */ |
182 |
< |
register int fn, ci; |
348 |
> |
advance() /* read in data for next scanline */ |
349 |
|
{ |
350 |
< |
if (fn == 0) |
351 |
< |
return((double)nfiles); |
352 |
< |
if (fn < 1 || fn > nfiles) { |
353 |
< |
errno = EDOM; |
188 |
< |
return(0.0); |
189 |
< |
} |
190 |
< |
return(colval(input[fn-1].scan[xpos],ci)); |
191 |
< |
} |
350 |
> |
extern double fabs(); |
351 |
> |
int ytarget; |
352 |
> |
register COLOR *st; |
353 |
> |
register int i, j; |
354 |
|
|
355 |
< |
|
356 |
< |
double |
357 |
< |
l_redin() /* get red color */ |
358 |
< |
{ |
359 |
< |
return(colin((int)(argument(1)+.5), RED)); |
355 |
> |
for (ytarget = (long)ypos*ymax/yres; yscan > ytarget; yscan--) |
356 |
> |
for (i = 0; i < nfiles; i++) { |
357 |
> |
st = input[i].scan[WINSIZ-1]; |
358 |
> |
for (j = WINSIZ-1; j > 0; j--) /* rotate window */ |
359 |
> |
input[i].scan[j] = input[i].scan[j-1]; |
360 |
> |
input[i].scan[0] = st; |
361 |
> |
if (yscan <= MIDSCN) /* hit bottom? */ |
362 |
> |
continue; |
363 |
> |
if (freadscan(st, xmax, input[i].fp) < 0) { /* read */ |
364 |
> |
eputs(input[i].name); |
365 |
> |
eputs(": read error\n"); |
366 |
> |
quit(1); |
367 |
> |
} |
368 |
> |
if (fabs(colval(input[i].coef,RED)-1.0) > 1e-3 || |
369 |
> |
fabs(colval(input[i].coef,GRN)-1.0) > 1e-3 || |
370 |
> |
fabs(colval(input[i].coef,BLU)-1.0) > 1e-3) |
371 |
> |
for (j = 0; j < xmax; j++) /* adjust color */ |
372 |
> |
multcolor(st[j], input[i].coef); |
373 |
> |
} |
374 |
|
} |
375 |
|
|
376 |
|
|
377 |
|
double |
378 |
< |
l_grnin() /* get green color */ |
378 |
> |
l_expos(nam) /* return picture exposure */ |
379 |
> |
register char *nam; |
380 |
|
{ |
381 |
< |
return(colin((int)(argument(1)+.5), GRN)); |
381 |
> |
register int fn, n; |
382 |
> |
|
383 |
> |
fn = argument(1) - .5; |
384 |
> |
if (fn < 0 || fn >= nfiles) |
385 |
> |
return(1.0); |
386 |
> |
if (nam == vbrtexp) |
387 |
> |
return(bright(input[fn].expos)); |
388 |
> |
n = 3; |
389 |
> |
while (n--) |
390 |
> |
if (nam == vcolexp[n]) |
391 |
> |
return(colval(input[fn].expos,n)); |
392 |
> |
eputs("Bad call to l_expos()!\n"); |
393 |
> |
quit(1); |
394 |
|
} |
395 |
|
|
396 |
|
|
397 |
|
double |
398 |
< |
l_bluin() /* get blue color */ |
398 |
> |
l_colin(nam) /* return color value for picture */ |
399 |
> |
register char *nam; |
400 |
|
{ |
401 |
< |
return(colin((int)(argument(1)+.5), BLU)); |
401 |
> |
int fn; |
402 |
> |
register int n, xoff, yoff; |
403 |
> |
double d; |
404 |
> |
|
405 |
> |
d = argument(1); |
406 |
> |
if (d > -.5 && d < .5) |
407 |
> |
return((double)nfiles); |
408 |
> |
fn = d - .5; |
409 |
> |
if (fn < 0 || fn >= nfiles) { |
410 |
> |
errno = EDOM; |
411 |
> |
return(0.0); |
412 |
> |
} |
413 |
> |
xoff = yoff = 0; |
414 |
> |
n = nargum(); |
415 |
> |
if (n >= 2) { |
416 |
> |
d = argument(2); |
417 |
> |
if (d < 0.0) { |
418 |
> |
xoff = d-.5; |
419 |
> |
if (xscan+xoff < 0) |
420 |
> |
xoff = -xscan; |
421 |
> |
} else { |
422 |
> |
xoff = d+.5; |
423 |
> |
if (xscan+xoff >= xmax) |
424 |
> |
xoff = xmax-1-xscan; |
425 |
> |
} |
426 |
> |
} |
427 |
> |
if (n >= 3) { |
428 |
> |
d = argument(3); |
429 |
> |
if (d < 0.0) { |
430 |
> |
yoff = d-.5; |
431 |
> |
if (yoff+MIDSCN < 0) |
432 |
> |
yoff = -MIDSCN; |
433 |
> |
if (yscan+yoff < 0) |
434 |
> |
yoff = -yscan; |
435 |
> |
} else { |
436 |
> |
yoff = d+.5; |
437 |
> |
if (yoff+MIDSCN >= WINSIZ) |
438 |
> |
yoff = WINSIZ-1-MIDSCN; |
439 |
> |
if (yscan+yoff >= ymax) |
440 |
> |
yoff = ymax-1-yscan; |
441 |
> |
} |
442 |
> |
} |
443 |
> |
if (nam == vbrtin) |
444 |
> |
return(bright(input[fn].scan[MIDSCN+yoff][xscan+xoff])); |
445 |
> |
n = 3; |
446 |
> |
while (n--) |
447 |
> |
if (nam == vcolin[n]) |
448 |
> |
return(colval(input[fn].scan[MIDSCN+yoff][xscan+xoff],n)); |
449 |
> |
eputs("Bad call to l_colin()!\n"); |
450 |
> |
quit(1); |
451 |
|
} |
452 |
|
|
453 |
|
|
466 |
|
} |
467 |
|
|
468 |
|
|
469 |
< |
quit(code) |
470 |
< |
int code; |
469 |
> |
quit(code) /* exit gracefully */ |
470 |
> |
int code; |
471 |
|
{ |
472 |
+ |
register int i; |
473 |
+ |
/* close input files */ |
474 |
+ |
for (i = 0; i < nfiles; i++) |
475 |
+ |
if (input[i].name == Command) |
476 |
+ |
pclose(input[i].fp); |
477 |
+ |
else |
478 |
+ |
fclose(input[i].fp); |
479 |
|
exit(code); |
480 |
|
} |