get background pixel from window

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Article #1996

#1996

From: IKUO NAKAGAWA
Date: Wed, 09 Dec 1992 03:36

23 lines
1286 bytes

$B$$$/$*!wEl9)Bg$G$9(B.

Xlib $B$G(B Window $B$+$i(B background pixel $B$r<h$j=P$9J}K!$r65$((B$B$F2<$5$$(B.

$B6qBNE*$K$O(B

	Display * dpy;
	Window win;

$B$N#2$D$,M?$($i$l$F$$$^$9(B. $B$3(B$B$N(B Window win $B$N(B background pixel $B$r<hF@(B
$B$7$?$$$N$G$9$,e:No$JJ}K!$O$"$j$^$;$s$+(B?

	XClearWindow() $B$7$F(B
	XGetImage() + XGetPixel()

$B$9$l$P<h$l$k$3$H$O<h$l$k$N$G$9$,(B, Window $B$,0lHV>e$K$J$$$H<h$l$^$;$s(B.

$B$b$C$H$b!V$3$s$J$3$H$r$7$J$/$F$b<h(B$B$l$k$N$G$O!W$H$O;W$&$N$G$9$,(B,...

$B$I$J$?$+8f65<x$*4j$$$7$^$9(B _o_
--
$B$$$/(B$B$*!w%7%9%F%`2J3X(B.$BEl5~9)6HBg3X(B
ikuo@is.titech.ac.jp

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X-Google-Language: Japanese,JIS
X-Google-Thread: 1667f1,bc5dab8559ae5d9f,start
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Path: arc1-ca.pugleaf.net!sparky!uunet!ccut!wnoc-tyo-news!cs.titech!is.titech!ikuo
From: ikuo@is.titech.ac.jp (IKUO NAKAGAWA)
Subject: get background pixel from window
Message-ID: <IKUO.92Dec9123612@msa.is.titech.ac.jp>
Sender: news@is.titech.ac.jp (Usenet News System)
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Date: Wed, 9 Dec 1992 03:36:12 GMT
Organization: Tokyo Institute of Technology, Tokyo, JAPAN
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