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#ifndef lint |
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< |
static const char RCSid[] = "$Id$"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
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#endif |
4 |
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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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|
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#include "standard.h" |
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|
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– |
#include "color.h" |
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– |
|
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#include <time.h> |
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|
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#include "standard.h" |
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#include "color.h" |
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#include "resolu.h" |
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|
16 |
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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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|
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long skipbytes = 0; /* skip bytes in input? */ |
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|
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int swapbytes = 0; /* swap bytes in 16-bit words? */ |
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|
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int interleave = 1; /* file is interleaved? */ |
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|
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int resolution = 1; /* put/get resolution string? */ |
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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': /* float */ |
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dataonly = 1; |
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format = 'f'; |
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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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if (putprim == ALL) |
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fmtid = "24-bit_rgb"; |
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else |
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fmtid = "8-bit_grey"; |
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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 = "24-bit_rgb"; |
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> |
fmtid = "16-bit_grey"; |
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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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|
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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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|
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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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getcascii(col) /* get an ascii color value from stream(s) */ |
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COLOR col; |
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{ |
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} |
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|
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|
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getcword(col) /* get a 16-bit color value from stream(s) */ |
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COLOR col; |
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{ |
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uint16 vw[3]; |
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|
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if (fin2 == NULL) { |
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if (fread((char *)vw, sizeof(uint16), 3, fin) != 3) |
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return(-1); |
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} else { |
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if (fread((char *)vw, sizeof(uint16), 1, fin) != 1 || |
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fread((char *)(vw+1), sizeof(uint16), 1, fin2) != 1 || |
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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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} |
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|
640 |
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|
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getbascii(col) /* get an ascii brightness value from fin */ |
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COLOR col; |
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{ |
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} |
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|
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|
705 |
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getbword(col) /* get a 16-bit brightness value from fin */ |
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COLOR col; |
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{ |
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uint16 vw; |
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double d; |
710 |
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|
711 |
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if (fread((char *)&vw, sizeof(uint16), 1, fin) != 1) |
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return(-1); |
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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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} |
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|
720 |
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|
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putcascii(col) /* put an ascii color to stdout */ |
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COLOR col; |
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{ |
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putcbyte(col) /* put a byte color to stdout */ |
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COLOR col; |
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{ |
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< |
register int i; |
776 |
> |
long i; |
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BYTE vb[3]; |
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|
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i = colval(col,ord[0])*256.; |
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} |
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|
790 |
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|
791 |
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putcword(col) /* put a 16-bit color to stdout */ |
792 |
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COLOR col; |
793 |
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{ |
794 |
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long i; |
795 |
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uint16 vw[3]; |
796 |
+ |
|
797 |
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i = colval(col,ord[0])*65536.; |
798 |
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vw[0] = min(i,65535); |
799 |
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i = colval(col,ord[1])*65536.; |
800 |
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vw[1] = min(i,65535); |
801 |
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i = colval(col,ord[2])*65536.; |
802 |
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vw[2] = min(i,65535); |
803 |
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if (swapbytes) |
804 |
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swap16(vw, 3); |
805 |
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fwrite((char *)vw, sizeof(uint16), 3, stdout); |
806 |
+ |
|
807 |
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return(ferror(stdout) ? -1 : 0); |
808 |
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} |
809 |
+ |
|
810 |
+ |
|
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putbascii(col) /* put an ascii brightness to stdout */ |
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COLOR col; |
813 |
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{ |
864 |
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} |
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|
866 |
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|
867 |
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putbword(col) /* put a 16-bit brightness to stdout */ |
868 |
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COLOR col; |
869 |
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{ |
870 |
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long i; |
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uint16 vw; |
872 |
+ |
|
873 |
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i = (*mybright)(col)*65536.; |
874 |
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vw = min(i,65535); |
875 |
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if (swapbytes) |
876 |
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swap16(&vw, 1); |
877 |
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fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
878 |
+ |
|
879 |
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return(ferror(stdout) ? -1 : 0); |
880 |
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} |
881 |
+ |
|
882 |
+ |
|
883 |
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putpascii(col) /* put an ascii primary to stdout */ |
884 |
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COLOR col; |
885 |
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{ |
925 |
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putpbyte(col) /* put a byte primary to stdout */ |
926 |
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COLOR col; |
927 |
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{ |
928 |
< |
register int i; |
928 |
> |
long i; |
929 |
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BYTE vb; |
930 |
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|
931 |
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i = colval(col,putprim)*256.; |
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} |
937 |
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|
938 |
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|
939 |
+ |
putpword(col) /* put a 16-bit primary to stdout */ |
940 |
+ |
COLOR col; |
941 |
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{ |
942 |
+ |
long i; |
943 |
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uint16 vw; |
944 |
+ |
|
945 |
+ |
i = colval(col,putprim)*65536.; |
946 |
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vw = min(i,65535); |
947 |
+ |
if (swapbytes) |
948 |
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swap16(&vw, 1); |
949 |
+ |
fwrite((char *)&vw, sizeof(uint16), 1, stdout); |
950 |
+ |
|
951 |
+ |
return(ferror(stdout) ? -1 : 0); |
952 |
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} |
953 |
+ |
|
954 |
+ |
|
955 |
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set_io() /* set put and get functions */ |
956 |
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{ |
957 |
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switch (format) { |
1053 |
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goto seekerr; |
1054 |
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if (fseek(fin3, |
1055 |
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(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
1056 |
+ |
goto seekerr; |
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+ |
} |
1058 |
+ |
} |
1059 |
+ |
return; |
1060 |
+ |
case 'w': /* 16-bit */ |
1061 |
+ |
if (putprim == BRIGHT) { |
1062 |
+ |
getval = getbword; |
1063 |
+ |
putval = putbword; |
1064 |
+ |
} else if (putprim != ALL) { |
1065 |
+ |
getval = getbword; |
1066 |
+ |
putval = putpword; |
1067 |
+ |
} else { |
1068 |
+ |
getval = getcword; |
1069 |
+ |
putval = putcword; |
1070 |
+ |
if (reverse && !interleave) { |
1071 |
+ |
if (fin2 == NULL) |
1072 |
+ |
goto namerr; |
1073 |
+ |
if (fseek(fin2, |
1074 |
+ |
(long)sizeof(uint16)*picres.xr*picres.yr, 1)) |
1075 |
+ |
goto seekerr; |
1076 |
+ |
if (fseek(fin3, |
1077 |
+ |
(long)sizeof(uint16)*2*picres.xr*picres.yr, 1)) |
1078 |
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goto seekerr; |
1079 |
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} |
1080 |
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} |