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#include <u.h>
#include <libc.h>
#include <draw.h>
#include <event.h>
void
usage(void)
{
fprint(2, "usage: img [file]\n");
exits("usage");
}
Image *image;
void
eresized(int new)
{
if(new && getwindow(display, Refnone) < 0)
sysfatal("can't reattach to window: %r");
draw(screen, screen->r, display->white, nil, ZP);
drawop(screen, screen->r, image, nil, image->r.min, S);
}
void
main(int argc, char **argv)
{
int fd;
Event e;
ARGBEGIN{
default:
usage();
}ARGEND
if(argc > 1)
usage();
if(argc == 1){
if((fd = open(argv[0], OREAD)) < 0)
sysfatal("open %s: %r");
}else
fd = 0;
if(initdraw(nil, nil, nil) < 0)
sysfatal("initdraw: %r");
if((image=readimage(display, fd, 0)) == nil)
sysfatal("readimage: %r");
einit(Emouse|Ekeyboard);
eresized(0);
for(;;){
switch(event(&e)){
case Ekeyboard:
if(e.kbdc == 'q' || e.kbdc == 0x7F)
exits(nil);
break;
case Emouse:
break;
}
}
}
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