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/* Copyright (c) 1993 Regents of the University of California */ |
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|
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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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/* |
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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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|
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#include <stdio.h> |
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|
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#include <math.h> |
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|
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#ifdef MSDOS |
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#include <fcntl.h> |
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#endif |
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|
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#include "color.h" |
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|
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#include "resolu.h" |
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|
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#define MAXFILE 64 |
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|
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#define HASMIN 1 |
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#define HASMAX 2 |
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|
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/* 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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|
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COLR bgcolr = BLKCOLR; /* background color */ |
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|
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int labelht = 24; /* label height */ |
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|
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int checkthresh = 0; /* check threshold value */ |
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|
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char Command[] = "<Command>"; |
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char Label[] = "<Label>"; |
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|
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char *progname; |
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|
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struct { |
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char *name; /* file or command name */ |
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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 flags; /* HASMIN, HASMAX */ |
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COLR thmin, thmax; /* thresholds */ |
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} input[MAXFILE]; /* our input files */ |
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|
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int nfile; /* number of files */ |
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|
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int wrongformat = 0; |
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|
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FILE *popen(), *lblopen(); |
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|
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extern char *malloc(); |
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|
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|
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tabputs(s) /* print line preceded by a tab */ |
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char *s; |
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{ |
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char fmt[32]; |
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|
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if (isheadid(s)) |
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return; |
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if (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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} |
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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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int ncolumns = 0; |
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int autolabel = 0; |
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int curcol = 0, x0 = 0, curx = 0, cury = 0, spacing = 0; |
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int xsgn, ysgn; |
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char *thislabel; |
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int an; |
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#ifdef MSDOS |
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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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progname = argv[0]; |
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|
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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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xsiz = atoi(argv[++an]); |
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break; |
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case 'y': |
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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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case 'a': |
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ncolumns = atoi(argv[++an]); |
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break; |
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case 's': |
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spacing = atoi(argv[++an]); |
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break; |
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case 'o': |
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curx = x0 = atoi(argv[++an]); |
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cury = atoi(argv[++an]); |
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break; |
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case 'l': |
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switch (argv[an][2]) { |
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case 'a': |
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autolabel++; |
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break; |
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case 'h': |
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labelht = atoi(argv[++an]); |
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break; |
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case '\0': |
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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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break; |
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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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newheader("RADIANCE", stdout); |
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for (nfile = 0; an < argc; nfile++) { |
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if (nfile >= MAXFILE) |
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goto toomany; |
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thislabel = NULL; |
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input[nfile].flags = 0; |
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xsgn = ysgn = '-'; |
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while (an < argc && (argv[an][0] == '-' || argv[an][0] == '+' |
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|| 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].flags |= HASMIN; |
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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 if (argv[an][0] == '+') { |
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input[nfile].flags |= HASMAX; |
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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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} else |
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goto userr; |
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an++; |
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break; |
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case 'l': |
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if (strcmp(argv[an], "-l")) |
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goto userr; |
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thislabel = argv[++an]; |
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break; |
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case '+': |
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case '-': |
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case '0': |
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if (argv[an][0] != '=') |
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goto userr; |
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xsgn = argv[an][1]; |
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ysgn = argv[an][2]; |
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if (ysgn != '+' && ysgn != '-' && ysgn != '0') |
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goto userr; |
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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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goto userr; |
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default: |
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goto userr; |
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} |
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an++; |
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} |
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getfile: |
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if (argc-an < (ncolumns ? 1 : 3)) |
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goto userr; |
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if (autolabel && thislabel == NULL) |
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thislabel = argv[an]; |
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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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if (argv[an][0] == '!') { |
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input[nfile].name = Command; |
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input[nfile].fp = popen(argv[an]+1, "r"); |
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} else { |
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input[nfile].name = argv[an]; |
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input[nfile].fp = fopen(argv[an], "r"); |
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} |
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if (input[nfile].fp == NULL) { |
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perror(argv[an]); |
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quit(1); |
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} |
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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); |
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getheader(input[nfile].fp, tabputs, NULL); |
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if (wrongformat) { |
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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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} |
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/* get picture size */ |
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if (fgetresolu(&input[nfile].xres, &input[nfile].yres, |
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input[nfile].fp) < 0) { |
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fprintf(stderr, "%s: bad picture size\n", |
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input[nfile].name); |
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quit(1); |
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} |
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if (ncolumns > 0) { |
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if (curcol >= ncolumns) { |
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cury = ymax + spacing; |
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curx = x0; |
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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 + spacing; |
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curcol++; |
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} else { |
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input[nfile].xloc = atoi(argv[an++]); |
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if (xsgn == '+') |
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input[nfile].xloc -= input[nfile].xres; |
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else if (xsgn == '0') |
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input[nfile].xloc -= input[nfile].xres/2; |
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input[nfile].yloc = atoi(argv[an++]); |
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if (ysgn == '+') |
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input[nfile].yloc -= input[nfile].yres; |
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else if (ysgn == '0') |
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input[nfile].yloc -= input[nfile].yres/2; |
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} |
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if (input[nfile].xloc < xmin) |
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xmin = input[nfile].xloc; |
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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) |
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ymax = input[nfile].yloc+input[nfile].yres; |
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if (thislabel != NULL) { |
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if (++nfile >= MAXFILE) |
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goto toomany; |
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input[nfile].name = Label; |
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input[nfile].flags = 0; |
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input[nfile].xres = input[nfile-1].xres; |
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input[nfile].yres = labelht; |
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if ((input[nfile].fp = lblopen(thislabel, |
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&input[nfile].xres, |
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&input[nfile].yres)) == NULL) |
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goto labelerr; |
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input[nfile].xloc = input[nfile-1].xloc; |
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input[nfile].yloc = input[nfile-1].yloc + |
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input[nfile-1].yres-input[nfile].yres; |
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} |
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} |
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if (xsiz <= 0) |
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xsiz = xmax; |
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else if (xsiz > xmax) |
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xmax = xsiz; |
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if (ysiz <= 0) |
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ysiz = ymax; |
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else if (ysiz > ymax) |
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ymax = ysiz; |
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/* add new header info. */ |
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printargs(argc, argv, stdout); |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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fprtresolu(xsiz, ysiz, stdout); |
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|
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compos(); |
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|
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quit(0); |
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userr: |
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fprintf(stderr, |
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"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ", |
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progname); |
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fprintf(stderr, "[-t min1][+t max1][-l lab][=SS] pic1 x1 y1 ..\n"); |
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quit(1); |
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toomany: |
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fprintf(stderr, "%s: only %d files and labels allowed\n", |
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progname, MAXFILE); |
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quit(1); |
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labelerr: |
| 310 |
fprintf(stderr, "%s: error opening label\n", progname); |
| 311 |
quit(1); |
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} |
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|
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|
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compos() /* composite pictures */ |
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{ |
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COLR *scanin, *scanout; |
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int y; |
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register int x, i; |
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|
| 321 |
scanin = (COLR *)malloc((xmax-xmin)*sizeof(COLR)); |
| 322 |
if (scanin == NULL) |
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goto memerr; |
| 324 |
scanin -= xmin; |
| 325 |
if (checkthresh) { |
| 326 |
scanout = (COLR *)malloc(xsiz*sizeof(COLR)); |
| 327 |
if (scanout == NULL) |
| 328 |
goto memerr; |
| 329 |
} else |
| 330 |
scanout = scanin; |
| 331 |
for (y = ymax-1; y >= 0; y--) { |
| 332 |
for (x = 0; x < xsiz; x++) |
| 333 |
copycolr(scanout[x], bgcolr); |
| 334 |
for (i = 0; i < nfile; i++) { |
| 335 |
if (input[i].yloc > y || |
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input[i].yloc+input[i].yres <= y) |
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continue; |
| 338 |
if (freadcolrs(scanin+input[i].xloc, |
| 339 |
input[i].xres, input[i].fp) < 0) { |
| 340 |
fprintf(stderr, "%s: read error (y==%d)\n", |
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input[i].name, |
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y-input[i].yloc); |
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quit(1); |
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} |
| 345 |
if (y >= ysiz) |
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continue; |
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if (checkthresh) { |
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x = input[i].xloc+input[i].xres; |
| 349 |
if (x > xsiz) |
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x = xsiz; |
| 351 |
for (x--; x >= 0 && x >= input[i].xloc; x--) { |
| 352 |
if (input[i].flags & HASMIN && |
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cmpcolr(scanin[x], input[i].thmin) <= 0) |
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continue; |
| 355 |
if (input[i].flags & HASMAX && |
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cmpcolr(scanin[x], input[i].thmax) >= 0) |
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continue; |
| 358 |
copycolr(scanout[x], scanin[x]); |
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} |
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} |
| 361 |
} |
| 362 |
if (y >= ysiz) |
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continue; |
| 364 |
if (fwritecolrs(scanout, xsiz, stdout) < 0) { |
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perror(progname); |
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quit(1); |
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} |
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} |
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return; |
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memerr: |
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perror(progname); |
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quit(1); |
| 373 |
} |
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|
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|
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int |
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cmpcolr(c1, c2) /* compare two colr's (improvisation) */ |
| 378 |
register COLR c1, c2; |
| 379 |
{ |
| 380 |
register int i, j; |
| 381 |
|
| 382 |
j = 4; /* check exponents first! */ |
| 383 |
while (j--) |
| 384 |
if (i = c1[j] - c2[j]) |
| 385 |
return(i); |
| 386 |
return(0); |
| 387 |
} |
| 388 |
|
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|
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FILE * |
| 391 |
lblopen(s, xp, yp) /* open pipe to label generator */ |
| 392 |
char *s; |
| 393 |
int *xp, *yp; |
| 394 |
{ |
| 395 |
char com[128]; |
| 396 |
FILE *fp; |
| 397 |
|
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sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", *xp, *yp, s); |
| 399 |
if ((fp = popen(com, "r")) == NULL) |
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return(NULL); |
| 401 |
if (checkheader(fp, COLRFMT, NULL) < 0) |
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goto err; |
| 403 |
if (fgetresolu(xp, yp, fp) < 0) |
| 404 |
goto err; |
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return(fp); |
| 406 |
err: |
| 407 |
pclose(fp); |
| 408 |
return(NULL); |
| 409 |
} |
| 410 |
|
| 411 |
|
| 412 |
quit(code) /* exit gracefully */ |
| 413 |
int code; |
| 414 |
{ |
| 415 |
register int i; |
| 416 |
/* close input files */ |
| 417 |
for (i = 0; i < nfile; i++) |
| 418 |
if (input[i].name == Command || input[i].name == Label) |
| 419 |
pclose(input[i].fp); |
| 420 |
else |
| 421 |
fclose(input[i].fp); |
| 422 |
exit(code); |
| 423 |
} |
