From 3f8c70e97c2eb85992424439af56a4dd6412b8c6 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sat, 24 Apr 2004 16:59:47 +0000
Subject: a simple plan 9 image viewer

---
 src/cmd/draw/img.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/cmd/draw/img.c

diff --git a/src/cmd/draw/img.c b/src/cmd/draw/img.c
new file mode 100644
index 00000000..b46bcf34
--- /dev/null
+++ b/src/cmd/draw/img.c
@@ -0,0 +1,63 @@
+#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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