71 lines
1.1 KiB
C
71 lines
1.1 KiB
C
#include <u.h>
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#include <lib9.h>
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#include <draw.h>
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#include <memdraw.h>
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#include <chartypes.h>
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#include <bio.h>
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#include "imagefile.h"
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void
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usage(void)
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{
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fprint(2, "usage: %s [-c 'comment'] [-ks] [file]\n", argv0);
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exits("usage");
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}
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void
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main(int argc, char *argv[])
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{
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Biobuf bout;
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Memimage *i, *ni;
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int fd, kflag, sflag;
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char *err, *file, *com;
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kflag = sflag = 0;
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com = nil;
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ARGBEGIN {
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case 'c':
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com = EARGF(usage());
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break;
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case 'k':
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kflag = 1;
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break;
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case 's':
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sflag = 1;
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break;
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default:
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usage();
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} ARGEND
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if(argc > 1)
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usage();
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if(argc == 0) {
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file = "<stdin>";
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fd = 0;
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} else {
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file = argv[0];
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if((fd = sys_open(file, OREAD)) < 0)
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sysfatal("open %s: %r", file);
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}
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if(Binit(&bout, 1, OWRITE) < 0)
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sysfatal("Binit: %r");
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memimageinit();
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if((i = readmemimage(fd)) == nil)
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sysfatal("readimage %s: %r", file);
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sys_close(fd);
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if((ni = memmultichan(i)) == nil)
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sysfatal("converting image to RGB24: %r");
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if(i != ni) {
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freememimage(i);
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i = ni;
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}
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err = memwritejpg(&bout, i, com, kflag, sflag);
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freememimage(i);
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if(err != nil)
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fprint(2, "%s: %s\n", argv0, err);
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exits(err);
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}
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