| 1 |
#ifndef lint
|
| 2 |
static const char RCSid[] = "$Id: glimage.c,v 2.2 2003/02/22 02:07:27 greg Exp $";
|
| 3 |
#endif
|
| 4 |
/*
|
| 5 |
* glimage.c - program to dump pixel file NeWS window
|
| 6 |
*
|
| 7 |
* 1/24/89
|
| 8 |
*/
|
| 9 |
|
| 10 |
#include <stdio.h>
|
| 11 |
|
| 12 |
#include <gl.h>
|
| 13 |
|
| 14 |
#include <time.h>
|
| 15 |
|
| 16 |
#include "color.h"
|
| 17 |
|
| 18 |
#include "resolu.h"
|
| 19 |
|
| 20 |
|
| 21 |
main(argc, argv) /* print a picture */
|
| 22 |
int argc;
|
| 23 |
char *argv[];
|
| 24 |
{
|
| 25 |
char *fname;
|
| 26 |
FILE *input;
|
| 27 |
int xres, yres;
|
| 28 |
int winorgx, winorgy;
|
| 29 |
COLR *scanline;
|
| 30 |
long *winout;
|
| 31 |
int i;
|
| 32 |
register int j;
|
| 33 |
|
| 34 |
fname = argv[1];
|
| 35 |
if (fname == NULL) {
|
| 36 |
input = stdin;
|
| 37 |
fname = "<stdin>";
|
| 38 |
} else if ((input = fopen(fname, "r")) == NULL) {
|
| 39 |
perror(fname);
|
| 40 |
exit(1);
|
| 41 |
}
|
| 42 |
/* discard header */
|
| 43 |
if (checkheader(input, COLRFMT, NULL) < 0) {
|
| 44 |
fprintf(stderr, "%s: not a Radiance picture\n", fname);
|
| 45 |
exit(1);
|
| 46 |
}
|
| 47 |
/* get picture dimensions */
|
| 48 |
if (fgetresolu(&xres, &yres, input) < 0) {
|
| 49 |
fprintf(stderr, "%s: bad picture size\n", fname);
|
| 50 |
exit(1);
|
| 51 |
}
|
| 52 |
prefsize(xres, yres);
|
| 53 |
winopen("newsimage");
|
| 54 |
RGBmode();
|
| 55 |
gconfig();
|
| 56 |
RGBcolor(0,0,0);
|
| 57 |
clear();
|
| 58 |
getorigin(&winorgx,&winorgy);
|
| 59 |
winout = (long *)malloc(xres*sizeof(long));
|
| 60 |
scanline = (COLR *)malloc(xres*sizeof(COLR));
|
| 61 |
if (winout == NULL || scanline == NULL) {
|
| 62 |
perror(argv[0]);
|
| 63 |
exit(1);
|
| 64 |
}
|
| 65 |
for (i = yres-1; i >= 0; i--) {
|
| 66 |
if (freadcolrs(scanline, xres, input) < 0) {
|
| 67 |
fprintf(stderr, "%s: read error (y=%d)\n", fname, i);
|
| 68 |
exit(1);
|
| 69 |
}
|
| 70 |
normcolrs(scanline, xres, 0);
|
| 71 |
for (j = 0; j < xres; j++) {
|
| 72 |
winout[j] = 255L<<24;
|
| 73 |
winout[j] |= (long)scanline[j][BLU]<<16;
|
| 74 |
winout[j] |= (long)scanline[j][GRN]<<8;
|
| 75 |
winout[j] |= (long)scanline[j][RED];
|
| 76 |
}
|
| 77 |
lrectwrite(0,i,xres-1,i,winout);
|
| 78 |
}
|
| 79 |
pause();
|
| 80 |
exit(0);
|
| 81 |
}
|
