1 |
greg |
1.7 |
/* Copyright (c) 1991 Regents of the University of California */ |
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greg |
1.1 |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
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/* |
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* pcompos.c - program to composite pictures. |
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* |
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* 6/30/87 |
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*/ |
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#include <stdio.h> |
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#include "color.h" |
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18 |
greg |
1.5 |
#define MAXFILE 32 |
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greg |
1.1 |
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20 |
greg |
1.7 |
#define SIGNHT 24 |
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#define setpscom(b,n) sprintf(b, "psign -h %d '%.30s'|pfilt -1 -x /2 -y /2",\ |
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2*SIGNHT, n) |
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greg |
1.1 |
/* output picture size */ |
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int xsiz = 0; |
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int ysiz = 0; |
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/* input dimensions */ |
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int xmin = 0; |
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int ymin = 0; |
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int xmax = 0; |
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int ymax = 0; |
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COLR bgcolr = BLKCOLR; /* background color */ |
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int checkthresh = 0; /* check threshold value */ |
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char *progname; |
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struct { |
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greg |
1.7 |
char *name; /* file or command name */ |
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greg |
1.1 |
FILE *fp; /* stream pointer */ |
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int xres, yres; /* picture size */ |
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int xloc, yloc; /* anchor point */ |
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int hasmin, hasmax; /* has threshold values */ |
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COLR thmin, thmax; /* thresholds */ |
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} input[MAXFILE]; /* our input files */ |
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int nfile; /* number of files */ |
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greg |
1.6 |
int wrongformat = 0; |
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greg |
1.1 |
|
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greg |
1.7 |
char tmpbuf[128]; |
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greg |
1.6 |
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greg |
1.7 |
FILE *popen(); |
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greg |
1.1 |
tabputs(s) /* print line preceded by a tab */ |
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char *s; |
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{ |
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greg |
1.6 |
char fmt[32]; |
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if (isformat(s)) { |
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formatval(fmt, s); |
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wrongformat = strcmp(fmt, COLRFMT); |
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} else { |
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putc('\t', stdout); |
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fputs(s, stdout); |
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} |
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greg |
1.1 |
} |
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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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double atof(); |
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greg |
1.7 |
int ncolumns = 0; |
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int dolabels = 0; |
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int curcol = 0, curx = 0, cury = 0; |
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greg |
1.1 |
int an; |
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progname = argv[0]; |
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for (an = 1; an < argc && argv[an][0] == '-'; an++) |
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switch (argv[an][1]) { |
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case 'x': |
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xmax = xsiz = atoi(argv[++an]); |
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break; |
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case 'y': |
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ymax = ysiz = atoi(argv[++an]); |
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break; |
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case 'b': |
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setcolr(bgcolr, atof(argv[an+1]), |
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atof(argv[an+2]), |
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atof(argv[an+3])); |
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an += 3; |
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break; |
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greg |
1.7 |
case 'a': |
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ncolumns = atoi(argv[++an]); |
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break; |
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case 'l': |
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dolabels++; |
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break; |
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greg |
1.1 |
case '\0': |
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case 't': |
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goto dofiles; |
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default: |
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goto userr; |
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} |
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dofiles: |
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for (nfile = 0; an < argc; nfile++) { |
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greg |
1.7 |
if (dolabels) { |
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if (nfile >= MAXFILE-1) { |
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fprintf(stderr, |
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"%s: only %d files allowed with labels\n", |
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progname, MAXFILE/2); |
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} |
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} else { |
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if (nfile >= MAXFILE) { |
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fprintf(stderr, "%s: only %d files allowed\n", |
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progname, MAXFILE); |
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quit(1); |
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} |
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} |
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if (nfile >= (dolabels ? MAXFILE-1 : MAXFILE)) { |
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greg |
1.1 |
fprintf(stderr, "%s: too many files\n", progname); |
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quit(1); |
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} |
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input[nfile].hasmin = input[nfile].hasmax = 0; |
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while (an < argc && (argv[an][0] == '-' || argv[an][0] == '+')) |
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switch (argv[an][1]) { |
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case 't': |
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checkthresh = 1; |
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if (argv[an][0] == '-') { |
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input[nfile].hasmin = 1; |
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setcolr(input[nfile].thmin, |
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atof(argv[an+1]), |
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atof(argv[an+1]), |
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atof(argv[an+1])); |
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} else { |
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input[nfile].hasmax = 1; |
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setcolr(input[nfile].thmax, |
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atof(argv[an+1]), |
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atof(argv[an+1]), |
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atof(argv[an+1])); |
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} |
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an += 2; |
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break; |
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case '\0': |
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if (argv[an][0] == '-') |
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goto getfile; |
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/* fall through */ |
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default: |
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goto userr; |
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} |
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getfile: |
157 |
greg |
1.7 |
if (argc-an < (ncolumns ? 1 : 3)) |
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greg |
1.1 |
goto userr; |
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if (!strcmp(argv[an], "-")) { |
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input[nfile].name = "<stdin>"; |
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input[nfile].fp = stdin; |
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} else { |
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input[nfile].name = argv[an]; |
164 |
greg |
1.7 |
if ((input[nfile].fp = argv[an][0] == '!' ? |
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popen(argv[an]+1, "r") : |
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fopen(argv[an], "r")) == NULL) { |
167 |
greg |
1.5 |
perror(argv[an]); |
168 |
greg |
1.1 |
quit(1); |
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} |
170 |
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} |
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an++; |
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/* get header */ |
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printf("%s:\n", input[nfile].name); |
174 |
greg |
1.6 |
getheader(input[nfile].fp, tabputs, NULL); |
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if (wrongformat) { |
176 |
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fprintf(stderr, "%s: not a Radiance picture\n", |
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input[nfile].name); |
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quit(1); |
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} |
180 |
greg |
1.1 |
/* get picture size */ |
181 |
greg |
1.4 |
if (fgetresolu(&input[nfile].xres, &input[nfile].yres, |
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input[nfile].fp) != (YMAJOR|YDECR)) { |
183 |
greg |
1.1 |
fprintf(stderr, "%s: bad picture size\n", |
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input[nfile].name); |
185 |
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quit(1); |
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} |
187 |
greg |
1.7 |
if (ncolumns > 0) { |
188 |
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if (curcol >= ncolumns) { |
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cury = ymax; |
190 |
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curx = 0; |
191 |
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curcol = 0; |
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} |
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input[nfile].xloc = curx; |
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input[nfile].yloc = cury; |
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curx += input[nfile].xres; |
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curcol++; |
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} else { |
198 |
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input[nfile].xloc = atoi(argv[an++]); |
199 |
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input[nfile].yloc = atoi(argv[an++]); |
200 |
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} |
201 |
greg |
1.1 |
if (input[nfile].xloc < xmin) |
202 |
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xmin = input[nfile].xloc; |
203 |
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if (input[nfile].yloc < ymin) |
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ymin = input[nfile].yloc; |
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if (input[nfile].xloc+input[nfile].xres > xmax) |
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xmax = input[nfile].xloc+input[nfile].xres; |
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if (input[nfile].yloc+input[nfile].yres > ymax) |
208 |
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ymax = input[nfile].yloc+input[nfile].yres; |
209 |
greg |
1.7 |
if (dolabels) { |
210 |
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input[++nfile].name = "<Label>"; |
211 |
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setpscom(tmpbuf, input[nfile-1].name); |
212 |
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if ((input[nfile].fp = popen(tmpbuf, "r")) == NULL) |
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goto labelerr; |
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if (checkheader(input[nfile].fp, COLRFMT, NULL) < 0) |
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goto labelerr; |
216 |
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if (fgetresolu(&input[nfile].xres, &input[nfile].yres, |
217 |
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input[nfile].fp) != (YMAJOR|YDECR)) |
218 |
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goto labelerr; |
219 |
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input[nfile].xloc = input[nfile-1].xloc; |
220 |
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input[nfile].yloc = input[nfile-1].yloc + |
221 |
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input[nfile-1].yres - SIGNHT; |
222 |
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input[nfile].hasmin = input[nfile].hasmax = 0; |
223 |
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} |
224 |
greg |
1.1 |
} |
225 |
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if (xsiz <= 0) |
226 |
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xsiz = xmax; |
227 |
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if (ysiz <= 0) |
228 |
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ysiz = ymax; |
229 |
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/* add new header info. */ |
230 |
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printargs(argc, argv, stdout); |
231 |
greg |
1.6 |
fputformat(COLRFMT, stdout); |
232 |
greg |
1.1 |
printf("\n-Y %d +X %d\n", ysiz, xsiz); |
233 |
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234 |
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compos(); |
235 |
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236 |
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quit(0); |
237 |
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userr: |
238 |
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fprintf(stderr, "Usage: %s [-x xres][-y yres][-b r g b] ", progname); |
239 |
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fprintf(stderr, "[-t min1][+t max1] file1 x1 y1 ..\n"); |
240 |
greg |
1.7 |
quit(1); |
241 |
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labelerr: |
242 |
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fprintf(stderr, "%s: error opening label\n", progname); |
243 |
greg |
1.1 |
quit(1); |
244 |
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} |
245 |
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246 |
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247 |
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compos() /* composite pictures */ |
248 |
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{ |
249 |
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COLR *scanin, *scanout; |
250 |
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int y; |
251 |
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register int x, i; |
252 |
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253 |
greg |
1.3 |
scanin = (COLR *)malloc((xmax-xmin)*sizeof(COLR)); |
254 |
greg |
1.1 |
if (scanin == NULL) |
255 |
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goto memerr; |
256 |
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scanin -= xmin; |
257 |
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if (checkthresh) { |
258 |
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scanout = (COLR *)malloc(xsiz*sizeof(COLR)); |
259 |
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if (scanout == NULL) |
260 |
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goto memerr; |
261 |
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} else |
262 |
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scanout = scanin; |
263 |
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for (y = ymax-1; y >= 0; y--) { |
264 |
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for (x = 0; x < xsiz; x++) |
265 |
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copycolr(scanout[x], bgcolr); |
266 |
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for (i = 0; i < nfile; i++) { |
267 |
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if (input[i].yloc > y || |
268 |
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input[i].yloc+input[i].yres <= y) |
269 |
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continue; |
270 |
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if (freadcolrs(scanin+input[i].xloc, |
271 |
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input[i].xres, input[i].fp) < 0) { |
272 |
greg |
1.2 |
fprintf(stderr, "%s: read error (y==%d)\n", |
273 |
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input[i].name, |
274 |
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y-input[i].yloc); |
275 |
greg |
1.1 |
quit(1); |
276 |
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} |
277 |
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if (y >= ysiz) |
278 |
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continue; |
279 |
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if (checkthresh) { |
280 |
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x = input[i].xloc+input[i].xres; |
281 |
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if (x > xsiz) |
282 |
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x = xsiz; |
283 |
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for (x--; x >= 0 && x >= input[i].xloc; x--) { |
284 |
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if (input[i].hasmin && |
285 |
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cmpcolr(scanin[x], input[i].thmin) <= 0) |
286 |
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continue; |
287 |
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if (input[i].hasmax && |
288 |
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cmpcolr(scanin[x], input[i].thmax) >= 0) |
289 |
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continue; |
290 |
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copycolr(scanout[x], scanin[x]); |
291 |
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} |
292 |
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} |
293 |
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} |
294 |
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if (y >= ysiz) |
295 |
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continue; |
296 |
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if (fwritecolrs(scanout, xsiz, stdout) < 0) { |
297 |
greg |
1.5 |
perror(progname); |
298 |
greg |
1.1 |
quit(1); |
299 |
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} |
300 |
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} |
301 |
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return; |
302 |
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memerr: |
303 |
greg |
1.5 |
perror(progname); |
304 |
greg |
1.1 |
quit(1); |
305 |
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} |
306 |
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307 |
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308 |
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int |
309 |
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cmpcolr(c1, c2) /* compare two colr's (improvisation) */ |
310 |
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register COLR c1, c2; |
311 |
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{ |
312 |
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register int i, j; |
313 |
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314 |
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j = 4; /* check exponents first! */ |
315 |
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while (j--) |
316 |
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if (i = c1[j] - c2[j]) |
317 |
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return(i); |
318 |
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return(0); |
319 |
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} |
320 |
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321 |
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322 |
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quit(code) /* exit gracefully */ |
323 |
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int code; |
324 |
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{ |
325 |
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exit(code); |
326 |
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} |