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/* Copyright (c) 1991 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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static const char RCSid[] = "$Id$"; |
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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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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include <time.h> |
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#include <string.h> |
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|
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#include "color.h" |
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#include "copyright.h" |
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|
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#include "platform.h" |
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#include "rtprocess.h" |
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#include "rterror.h" |
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#include "color.h" |
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#include "resolu.h" |
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|
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#define MAXFILE 64 |
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#define MAXFILE 512 |
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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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|
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int checkthresh = 0; /* check threshold value */ |
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|
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char StandardInput[] = "<stdin>"; |
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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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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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int flags; /* HASMIN, HASMAX */ |
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double 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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char ourfmt[LPICFMT+1] = PICFMT; |
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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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static gethfunc tabputs; |
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static void compos(void); |
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static int cmpcolr(COLR c1, double lv2); |
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static FILE * lblopen(char *s, int *xp, int *yp); |
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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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|
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static int |
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tabputs( /* print line preceded by a tab */ |
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char *s, |
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void *p |
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) |
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{ |
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char fmt[32]; |
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|
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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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if (isheadid(s)) |
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return(0); |
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if (formatval(fmt, s)) { |
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if (globmatch(ourfmt, fmt)) { |
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wrongformat = 0; |
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strcpy(ourfmt, fmt); |
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} else |
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wrongformat = 1; |
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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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return(0); |
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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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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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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, curx = 0, cury = 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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|
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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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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xmax = xsiz = atoi(argv[++an]); |
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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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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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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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goto userr; |
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} |
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dofiles: |
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newheader("RADIANCE", stdout); |
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fputnow(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].hasmin = input[nfile].hasmax = 0; |
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while (an < argc && (argv[an][0] == '-' || argv[an][0] == '+')) |
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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].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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input[nfile].flags |= HASMIN; |
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input[nfile].thmin = 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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input[nfile].thmax = atof(argv[an+1]); |
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} else |
177 |
> |
goto userr; |
178 |
> |
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+1]; |
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an += 2; |
183 |
> |
thislabel = argv[++an]; |
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break; |
185 |
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case '+': |
186 |
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case '-': |
187 |
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case '0': |
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if (argv[an][0] != '=') |
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goto userr; |
190 |
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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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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].name = StandardInput; |
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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].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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printf("%s:\n", input[nfile].name); |
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getheader(input[nfile].fp, tabputs, NULL); |
229 |
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if (wrongformat) { |
230 |
< |
fprintf(stderr, "%s: not a Radiance picture\n", |
230 |
> |
fprintf(stderr, "%s: incompatible input format\n", |
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input[nfile].name); |
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quit(1); |
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} |
240 |
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} |
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if (ncolumns > 0) { |
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if (curcol >= ncolumns) { |
243 |
< |
cury = ymax; |
244 |
< |
curx = 0; |
243 |
> |
cury = ymax + spacing; |
244 |
> |
curx = x0; |
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curcol = 0; |
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} |
247 |
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input[nfile].xloc = curx; |
248 |
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input[nfile].yloc = cury; |
249 |
< |
curx += input[nfile].xres; |
249 |
> |
curx += input[nfile].xres + spacing; |
250 |
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curcol++; |
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} else { |
252 |
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input[nfile].xloc = atoi(argv[an++]); |
253 |
+ |
if (xsgn == '+') |
254 |
+ |
input[nfile].xloc -= input[nfile].xres; |
255 |
+ |
else if (xsgn == '0') |
256 |
+ |
input[nfile].xloc -= input[nfile].xres/2; |
257 |
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input[nfile].yloc = atoi(argv[an++]); |
258 |
+ |
if (ysgn == '+') |
259 |
+ |
input[nfile].yloc -= input[nfile].yres; |
260 |
+ |
else if (ysgn == '0') |
261 |
+ |
input[nfile].yloc -= input[nfile].yres/2; |
262 |
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} |
263 |
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if (input[nfile].xloc < xmin) |
264 |
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xmin = input[nfile].xloc; |
271 |
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if (thislabel != NULL) { |
272 |
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if (++nfile >= MAXFILE) |
273 |
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goto toomany; |
274 |
< |
input[nfile].name = "<Label>"; |
275 |
< |
input[nfile].hasmin = input[nfile].hasmax = 0; |
274 |
> |
input[nfile].name = Label; |
275 |
> |
input[nfile].flags = 0; |
276 |
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input[nfile].xres = input[nfile-1].xres; |
277 |
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input[nfile].yres = labelht; |
278 |
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if ((input[nfile].fp = lblopen(thislabel, |
286 |
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} |
287 |
|
if (xsiz <= 0) |
288 |
|
xsiz = xmax; |
289 |
+ |
else if (xsiz > xmax) |
290 |
+ |
xmax = xsiz; |
291 |
|
if (ysiz <= 0) |
292 |
|
ysiz = ymax; |
293 |
+ |
else if (ysiz > ymax) |
294 |
+ |
ymax = ysiz; |
295 |
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/* add new header info. */ |
296 |
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printargs(argc, argv, stdout); |
297 |
< |
fputformat(COLRFMT, stdout); |
297 |
> |
if (strcmp(ourfmt, PICFMT)) |
298 |
> |
fputformat(ourfmt, stdout); /* print format if known */ |
299 |
|
putchar('\n'); |
300 |
|
fprtresolu(xsiz, ysiz, stdout); |
301 |
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|
303 |
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|
304 |
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quit(0); |
305 |
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userr: |
306 |
< |
fprintf(stderr, "Usage: %s [-x xr][-y yr][-b r g b][-a n][-la][-lh h] ", |
306 |
> |
fprintf(stderr, |
307 |
> |
"Usage: %s [-x xr][-y yr][-b r g b][-a n][-s p][-o x0 y0][-la][-lh h] ", |
308 |
|
progname); |
309 |
< |
fprintf(stderr, "[-t min1][+t max1][-l lab] pic1 x1 y1 ..\n"); |
309 |
> |
fprintf(stderr, "[-t min1][+t max1][-l lab][=SS] pic1 x1 y1 ..\n"); |
310 |
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quit(1); |
311 |
|
toomany: |
312 |
|
fprintf(stderr, "%s: only %d files and labels allowed\n", |
315 |
|
labelerr: |
316 |
|
fprintf(stderr, "%s: error opening label\n", progname); |
317 |
|
quit(1); |
318 |
+ |
return 1; /* pro forma return */ |
319 |
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} |
320 |
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|
321 |
|
|
322 |
< |
compos() /* composite pictures */ |
322 |
> |
static void |
323 |
> |
compos(void) /* composite pictures */ |
324 |
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{ |
325 |
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COLR *scanin, *scanout; |
326 |
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int y; |
357 |
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if (x > xsiz) |
358 |
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x = xsiz; |
359 |
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for (x--; x >= 0 && x >= input[i].xloc; x--) { |
360 |
< |
if (input[i].hasmin && |
360 |
> |
if (input[i].flags & HASMIN && |
361 |
|
cmpcolr(scanin[x], input[i].thmin) <= 0) |
362 |
|
continue; |
363 |
< |
if (input[i].hasmax && |
363 |
> |
if (input[i].flags & HASMAX && |
364 |
|
cmpcolr(scanin[x], input[i].thmax) >= 0) |
365 |
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continue; |
366 |
|
copycolr(scanout[x], scanin[x]); |
374 |
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quit(1); |
375 |
|
} |
376 |
|
} |
377 |
+ |
/* read remainders from streams */ |
378 |
+ |
for (i = 0; i < nfile; i++) |
379 |
+ |
if (input[i].name[0] == '<') |
380 |
+ |
while (getc(input[i].fp) != EOF) |
381 |
+ |
; |
382 |
|
return; |
383 |
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memerr: |
384 |
|
perror(progname); |
386 |
|
} |
387 |
|
|
388 |
|
|
389 |
< |
int |
390 |
< |
cmpcolr(c1, c2) /* compare two colr's (improvisation) */ |
391 |
< |
register COLR c1, c2; |
389 |
> |
static int |
390 |
> |
cmpcolr( /* compare COLR to luminance */ |
391 |
> |
register COLR c1, |
392 |
> |
double lv2 |
393 |
> |
) |
394 |
|
{ |
395 |
< |
register int i, j; |
396 |
< |
|
397 |
< |
j = 4; /* check exponents first! */ |
398 |
< |
while (j--) |
399 |
< |
if (i = c1[j] - c2[j]) |
400 |
< |
return(i); |
395 |
> |
double lv1 = .0; |
396 |
> |
|
397 |
> |
if (c1[EXP]) |
398 |
> |
lv1 = ldexp((double)normbright(c1), (int)c1[EXP]-(COLXS+8)); |
399 |
> |
if (lv1 < lv2) return(-1); |
400 |
> |
if (lv1 > lv2) return(1); |
401 |
|
return(0); |
402 |
|
} |
403 |
|
|
404 |
|
|
405 |
< |
FILE * |
406 |
< |
lblopen(s, xp, yp) /* open pipe to label generator */ |
407 |
< |
char *s; |
408 |
< |
int *xp, *yp; |
405 |
> |
static FILE * |
406 |
> |
lblopen( /* open pipe to label generator */ |
407 |
> |
char *s, |
408 |
> |
int *xp, |
409 |
> |
int *yp |
410 |
> |
) |
411 |
|
{ |
412 |
< |
char com[128]; |
412 |
> |
char com[PATH_MAX]; |
413 |
|
FILE *fp; |
414 |
|
|
415 |
|
sprintf(com, "psign -s -.15 -a 2 -x %d -y %d '%.90s'", *xp, *yp, s); |
426 |
|
} |
427 |
|
|
428 |
|
|
429 |
+ |
void |
430 |
|
quit(code) /* exit gracefully */ |
431 |
|
int code; |
432 |
|
{ |
433 |
< |
int status; |
434 |
< |
|
435 |
< |
if (code == 0) /* reap any children */ |
436 |
< |
while (wait(&status) != -1) |
437 |
< |
if (code == 0) |
438 |
< |
code = status>>8 & 0xff; |
433 |
> |
register int i; |
434 |
> |
/* close input files */ |
435 |
> |
for (i = 0; i < nfile; i++) |
436 |
> |
if (input[i].name == Command || input[i].name == Label) |
437 |
> |
pclose(input[i].fp); |
438 |
> |
else |
439 |
> |
fclose(input[i].fp); |
440 |
|
exit(code); |
441 |
|
} |