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greg |
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#ifndef lint
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static char SCCSid[] = "$SunId$ LBL";
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#endif
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/* Copyright (c) 1986 Regents of the University of California */
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/*
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* glimage.c - program to dump pixel file NeWS window
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*
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* 1/24/89
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*/
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#include <stdio.h>
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#include <gl.h>
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#include "color.h"
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main(argc, argv) /* print a picture */
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int argc;
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char *argv[];
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{
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char *fname;
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FILE *input;
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int xres, yres;
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int winorgx, winorgy;
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COLR *scanline;
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long *winout;
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int i;
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register int j;
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fname = argv[1];
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if (fname == NULL) {
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input = stdin;
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fname = "<stdin>";
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} else if ((input = fopen(fname, "r")) == NULL) {
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perror(fname);
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exit(1);
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}
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/* discard header */
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getheader(input, NULL);
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/* get picture dimensions */
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if (fgetresolu(&xres, &yres, input) != (YMAJOR|YDECR)) {
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fprintf(stderr, "%s: bad picture size\n", fname);
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exit(1);
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}
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prefsize(xres, yres);
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winopen("newsimage");
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RGBmode();
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gconfig();
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RGBcolor(0,0,0);
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clear();
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getorigin(&winorgx,&winorgy);
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winout = (long *)malloc(xres*sizeof(long));
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scanline = (COLR *)malloc(xres*sizeof(COLR));
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if (winout == NULL || scanline == NULL) {
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perror(argv[0]);
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exit(1);
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}
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for (i = yres-1; i >= 0; i--) {
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if (freadcolrs(scanline, xres, input) < 0) {
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fprintf(stderr, "%s: read error (y=%d)\n", fname, i);
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exit(1);
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}
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greg |
1.2 |
normcolrs(scanline, xres, 0);
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greg |
1.1 |
for (j = 0; j < xres; j++) {
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winout[j] = 255L<<24;
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winout[j] |= (long)scanline[j][BLU]<<16;
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winout[j] |= (long)scanline[j][GRN]<<8;
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winout[j] |= (long)scanline[j][RED];
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}
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lrectwrite(0,i,xres-1,i,winout);
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}
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pause();
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exit(0);
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}
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