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#ifndef lint |
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static const char RCSid[] = "$Id$"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* pvalue.c - program to print pixel values. |
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* 4/23/86 |
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*/ |
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#include "platform.h" |
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#include "standard.h" |
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#include "color.h" |
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#include <time.h> |
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|
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#include "resolu.h" |
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|
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typedef unsigned short uint16; /* sizeof (uint16) must == 2 */ |
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|
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#define min(a,b) ((a)<(b)?(a):(b)) |
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|
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/* what to put out (also RED, GRN, BLU) */ |
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#define ALL 3 |
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#define BRIGHT 4 |
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|
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#define brightonly (putprim==BRIGHT) |
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|
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RESOLU picres; /* resolution of picture */ |
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|
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int uniq = 0; /* print only unique values? */ |
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long skipbytes = 0; /* skip bytes in input? */ |
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int swapbytes = 0; /* swap bytes? */ |
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|
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int interleave = 1; /* file is interleaved? */ |
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int resolution = 1; /* put/get resolution string? */ |
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int (*getval)(), (*putval)(); |
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static gethfunc checkhead; |
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|
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|
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double |
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rgb_bright(clr) |
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COLOR clr; |
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int argc; |
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char **argv; |
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{ |
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extern int checkhead(); |
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extern long atol(); |
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double d, expval = 1.0; |
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int i; |
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format = 'b'; |
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fmtid = "byte"; |
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break; |
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case 'W': /* 16-bit swapped */ |
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swapbytes = 1; |
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case 'w': /* 16-bit */ |
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dataonly = 1; |
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format = 'w'; |
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fmtid = "16-bit"; |
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break; |
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case 'F': /* swapped floats */ |
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swapbytes = 1; |
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case 'f': /* float */ |
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dataonly = 1; |
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format = 'f'; |
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fmtid = "float"; |
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break; |
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case 'D': /* swapped doubles */ |
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swapbytes = 1; |
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case 'd': /* double */ |
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dataonly = 1; |
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format = 'd'; |
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else |
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break; |
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/* recognize special formats */ |
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if (dataonly && format == 'b') |
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if (brightonly) |
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fmtid = "8-bit_grey"; |
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else |
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if (dataonly && format == 'b') { |
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if (putprim == ALL) |
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fmtid = "24-bit_rgb"; |
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if (dataonly && format == 'w') |
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if (brightonly) |
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fmtid = "16-bit_grey"; |
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else |
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fmtid = "8-bit_grey"; |
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} |
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if (dataonly && format == 'w') { |
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if (putprim == ALL) |
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fmtid = "48-bit_rgb"; |
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else |
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fmtid = "16-bit_grey"; |
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} |
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/* assign reverse ordering */ |
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rord[ord[0]] = 0; |
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rord[ord[1]] = 1; |
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progname, argv[i]); |
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quit(1); |
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} |
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if (reverse && !brightonly && i == argc-3) { |
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if (reverse && putprim != BRIGHT && i == argc-3) { |
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if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
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fprintf(stderr, "%s: can't open file \"%s\"\n", |
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progname, argv[i+1]); |
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interleave = -1; |
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} else if (i != argc-1) |
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fin = NULL; |
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if (reverse && !brightonly && !interleave) { |
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if (reverse && putprim != BRIGHT && !interleave) { |
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fin2 = fopen(argv[i], "r"); |
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fin3 = fopen(argv[i], "r"); |
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} |
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} |
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if (reverse) { |
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#ifdef MSDOS |
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setmode(fileno(stdout), O_BINARY); |
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#ifdef _WIN32 |
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SET_FILE_BINARY(stdout); |
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if (format != 'a' && format != 'i') |
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setmode(fileno(fin), O_BINARY); |
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SET_FILE_BINARY(fin); |
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#endif |
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/* get header */ |
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if (header) { |
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fputsresolu(&picres, stdout); /* always put resolution */ |
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valtopix(); |
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} else { |
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#ifdef MSDOS |
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setmode(fileno(fin), O_BINARY); |
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#ifdef _WIN32 |
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SET_FILE_BINARY(fin); |
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if (format != 'a' && format != 'i') |
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setmode(fileno(stdout), O_BINARY); |
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SET_FILE_BINARY(stdout); |
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#endif |
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/* get header */ |
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getheader(fin, checkhead, NULL); |
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} |
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int |
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checkhead(line) /* deal with line from header */ |
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char *line; |
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static int |
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checkhead( /* deal with line from header */ |
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char *line, |
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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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double d; |
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register COLOR *scanln; |
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int dogamma; |
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COLOR lastc; |
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FLOAT hv[2]; |
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RREAL hv[2]; |
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int startprim, endprim; |
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long startpos; |
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int y; |
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quit(1); |
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} |
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for (x = 0; x < scanlen(&picres); x++) { |
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if (uniq) |
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if (uniq) { |
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if ( colval(scanln[x],RED) == |
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colval(lastc,RED) && |
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colval(scanln[x],GRN) == |
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continue; |
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else |
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copycolor(lastc, scanln[x]); |
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} |
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if (doexposure) |
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multcolor(scanln[x], exposure); |
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if (dogamma) |
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} |
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swap16(wp, n) /* swap n 16-bit words */ |
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register uint16 *wp; |
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int n; |
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{ |
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while (n-- > 0) { |
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*wp = *wp << 8 | ((*wp >> 8) & 0xff); |
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wp++; |
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} |
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} |
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|
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|
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swap32(wp, n) /* swap n 32-bit words */ |
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register uint32 *wp; |
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int n; |
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{ |
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while (n-- > 0) { |
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*wp = *wp << 24 | ((*wp >> 24) & 0xff) | |
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(*wp & 0xff00) << 8 | (*wp & 0xff0000) >> 8; |
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wp++; |
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} |
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} |
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|
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|
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swap64(wp, n) /* swap n 64-bit words */ |
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register char *wp; |
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int n; |
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{ |
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register int t; |
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|
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while (n-- > 0) { |
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t = wp[0]; wp[0] = wp[7]; wp[7] = t; |
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t = wp[1]; wp[1] = wp[6]; wp[6] = t; |
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t = wp[2]; wp[2] = wp[5]; wp[5] = t; |
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t = wp[3]; wp[3] = wp[4]; wp[4] = t; |
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wp += 8; |
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} |
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} |
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|
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|
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getcascii(col) /* get an ascii color value from stream(s) */ |
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COLOR col; |
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{ |
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fread((char *)(vd+2), sizeof(double), 1, fin3) != 1) |
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return(-1); |
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} |
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if (swapbytes) |
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swap64((char *)vd, 3); |
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setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
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return(0); |
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} |
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fread((char *)(vf+2), sizeof(float), 1, fin3) != 1) |
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return(-1); |
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} |
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if (swapbytes) |
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swap32((uint32 *)vf, 3); |
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setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
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return(0); |
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} |
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fread((char *)(vw+2), sizeof(uint16), 1, fin3) != 1) |
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return(-1); |
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} |
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if (swapbytes) |
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swap16(vw, 3); |
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setcolor(col, (vw[rord[RED]]+.5)/65536., |
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(vw[rord[GRN]]+.5)/65536., (vw[rord[BLU]]+.5)/65536.); |
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return(0); |
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if (fread((char *)&vd, sizeof(double), 1, fin) != 1) |
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return(-1); |
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if (swapbytes) |
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swap64((char *)&vd, 1); |
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setcolor(col, vd, vd, vd); |
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return(0); |
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} |
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if (fread((char *)&vf, sizeof(float), 1, fin) != 1) |
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return(-1); |
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if (swapbytes) |
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swap32((uint32 *)&vf, 1); |
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setcolor(col, vf, vf, vf); |
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return(0); |
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} |
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if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
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return(-1); |
758 |
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if (swapbytes) |
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swap16(&vw, 1); |
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d = (vw+.5)/65536.; |
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setcolor(col, d, d, d); |
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return(0); |
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vf[0] = colval(col,ord[0]); |
784 |
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vf[1] = colval(col,ord[1]); |
785 |
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vf[2] = colval(col,ord[2]); |
786 |
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if (swapbytes) |
787 |
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swap32((uint32 *)vf, 3); |
788 |
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fwrite((char *)vf, sizeof(float), 3, stdout); |
789 |
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|
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return(ferror(stdout) ? -1 : 0); |
799 |
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vd[0] = colval(col,ord[0]); |
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vd[1] = colval(col,ord[1]); |
801 |
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vd[2] = colval(col,ord[2]); |
802 |
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if (swapbytes) |
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swap64((char *)vd, 3); |
804 |
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fwrite((char *)vd, sizeof(double), 3, stdout); |
805 |
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|
806 |
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return(ferror(stdout) ? -1 : 0); |
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vw[1] = min(i,65535); |
850 |
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i = colval(col,ord[2])*65536.; |
851 |
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vw[2] = min(i,65535); |
852 |
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if (swapbytes) |
853 |
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swap16(vw, 3); |
854 |
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fwrite((char *)vw, sizeof(uint16), 3, stdout); |
855 |
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|
856 |
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return(ferror(stdout) ? -1 : 0); |
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float vf; |
873 |
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|
874 |
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vf = (*mybright)(col); |
875 |
+ |
if (swapbytes) |
876 |
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swap32((uint32 *)&vf, 1); |
877 |
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fwrite((char *)&vf, sizeof(float), 1, stdout); |
878 |
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|
879 |
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return(ferror(stdout) ? -1 : 0); |
886 |
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double vd; |
887 |
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|
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vd = (*mybright)(col); |
889 |
+ |
if (swapbytes) |
890 |
+ |
swap64((char *)&vd, 1); |
891 |
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fwrite((char *)&vd, sizeof(double), 1, stdout); |
892 |
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|
893 |
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return(ferror(stdout) ? -1 : 0); |
925 |
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|
926 |
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i = (*mybright)(col)*65536.; |
927 |
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vw = min(i,65535); |
928 |
+ |
if (swapbytes) |
929 |
+ |
swap16(&vw, 1); |
930 |
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fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
931 |
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|
932 |
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return(ferror(stdout) ? -1 : 0); |
948 |
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float vf; |
949 |
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|
950 |
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vf = colval(col,putprim); |
951 |
+ |
if (swapbytes) |
952 |
+ |
swap32((uint32 *)&vf, 1); |
953 |
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fwrite((char *)&vf, sizeof(float), 1, stdout); |
954 |
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|
955 |
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return(ferror(stdout) ? -1 : 0); |
962 |
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double vd; |
963 |
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|
964 |
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vd = colval(col,putprim); |
965 |
+ |
if (swapbytes) |
966 |
+ |
swap64((char *)&vd, 1); |
967 |
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fwrite((char *)&vd, sizeof(double), 1, stdout); |
968 |
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|
969 |
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return(ferror(stdout) ? -1 : 0); |
1001 |
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|
1002 |
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i = colval(col,putprim)*65536.; |
1003 |
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vw = min(i,65535); |
1004 |
+ |
if (swapbytes) |
1005 |
+ |
swap16(&vw, 1); |
1006 |
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fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
1007 |
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|
1008 |
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return(ferror(stdout) ? -1 : 0); |