mirror of
https://github.com/9fans/plan9port.git
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64 lines
934 B
C
64 lines
934 B
C
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#include <u.h>
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#include <libc.h>
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#include <draw.h>
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#include <event.h>
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void
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usage(void)
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{
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fprint(2, "usage: img [file]\n");
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exits("usage");
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}
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Image *image;
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void
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eresized(int new)
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{
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if(new && getwindow(display, Refnone) < 0)
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sysfatal("can't reattach to window: %r");
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draw(screen, screen->r, display->white, nil, ZP);
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drawop(screen, screen->r, image, nil, image->r.min, S);
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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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int fd;
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Event e;
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ARGBEGIN{
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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 == 1){
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if((fd = open(argv[0], OREAD)) < 0)
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sysfatal("open %s: %r");
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}else
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fd = 0;
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if(initdraw(nil, nil, nil) < 0)
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sysfatal("initdraw: %r");
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if((image=readimage(display, fd, 0)) == nil)
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sysfatal("readimage: %r");
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einit(Emouse|Ekeyboard);
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eresized(0);
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for(;;){
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switch(event(&e)){
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case Ekeyboard:
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if(e.kbdc == 'q' || e.kbdc == 0x7F)
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exits(nil);
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break;
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case Emouse:
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break;
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}
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}
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}
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