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Article #2018

Re: get background pixel from window

#2018
From: IKUO NAKAGAWA
Date: Fri, 11 Dec 1992 02:05
55 lines
3809 bytes
$B$$$/$*!wEl9)Bg$G$9(B.

$B7k6I(B Display * dpy, Window win $B$+$i$@$1$G$O(B background pixel $B$O(B
$B<h$l$J$$$H$$$&$3$H8+$?$$$G$9(B$B$M(B. $B$0$C$9$7(B ;_;

miki@soum.co.jp (Susumu Miki) writes:
>   X $B%W%m%H%3%kE*$K$O!"!VGX7J(B$B?'$O!"(B"window $B$K7k$S$D$$$?(B colormap $B$H(B 
> background pixel $BCM$G7h$^$k(B" $B?'$K$9$k!W(B$B!"!VGX7J$NLOMM$O(B backgroud
> pixmap $B$G7h$^$kLOMM$K$9$k!W$H$$$&$3$H$,8@$($k(B$B$@$1$G$9!#$=$l$r$I$N$h$&(B
> $B$K3P$($F$*$-!"$I$&$d$C$FH?1G$9$k$N$+$O(B X $B%5(B$B!<%P$N<BAu$K0MB8$7$^$9$h$M!#(B
> 
> $B!tGX7J?'$r!V(Bpixel $B$NCM!W$G3P$($F$$$J$$(B$B$h$&$J(B X $B%5!<%P$r:n$C$?$C$F9=$o(B
> $B!t$J$$$7!"GX7J$NLOMM$r(B PostScript $BE*$K3P(B$B$($F$$$?$jH?1G$7$?$j$9$k(B X $B%5!<(B
> $B!t%P$r:n$C$F$b9=$o$J$$!D!#(B
>
>   $B3P$($F(B$B$J$/$FNI$$!"$C$F$$$C$?$b$N$O<h$C$F$3$l$J$/$F$b$7$g$&$,$J$$$H;W(B
> $B$$$^(B$B$9!#M_$7$$>lLL$O$?$/$5$s$"$j$=$&$@$1$I!#(B:-)

$B$=$&(B, $BM_$7$$>l9g$O$?$/$5$s(B$B$"$k$N$G$9(B:-) $B$G$b7kO@E*$K$O!V%W%m%H%3%k(B
$B>e<h$C$F$3$l$J$/$F$"$?$j$^$((B$B!W$C$FOC$K$J$k$o$1$G$9$M(B...X-(

aoyama@astec.co.jp (Aoyama Hisao) writes:
> }	   XClearWindow() $B$7$F(B
> }	   XGetImage() + XGetPixel()
> }
> }   $B$9$l$P<h$l$k$3$H$O<h$l$k$N$G$9(B$B$,(B, Window $B$,0lHV>e$K$J$$$H<h$l$^$;$s(B.
> 
> $B$3$NJ}K!$K$O$=$l0J30$bLdBj$,$"(B$B$j$^$9!%(B
> $B!|(BInputOnly $B$N%&%#%s%I%&$G$O(B XClearWindow() $B$G$-$J$$(B
> $B!|(Bbackground $B$,(B default (none) $B$N$^$^$@$H(B XClearWindow() $B$O(B
>   $B<B:]$K$O2?$b=q$+$J$$$K$b$+$+$o$i(B$B$:!$(BXGetPixel() $B$NLa$jCM$r(B
>   $B;H$&$3$H$K$J$k(B
> $B!|(Bbackground $B$,(B pixmap $B$N$H$-$O!$(B$B=q$+$l$?(B tile $B$NCf$G!$$?$^(B
>   $B$?$^(B XGetPixel() $B$G$D$+$s$@E@$NCM$r;H$&$3$H$K(B$B$J$k!%(B

$BCN$C$F$^$7$?(B:-P $B>e5-$NJ}K!$O$"$/$^$G$b!V$H$C$F$b%i%C%-!<$J>l9g(B$B$K$O(B
background pixel $B$,8+$D$+$k!W$H$$$&J}K!$G(B, $B$7$+$b(B! `$B<:GT(B' $B$N3NG'$,(B
$B$G$-(B$B$J$$$s$G$9$h$M(B... $B$H$F$b%W%m%0%i%`$G;H$($kJ}K!$G$O$J$$$G$9(B ;_;

> XClearWindow() $B$G$-$k$/$i$$$J$i(B ($B$=$7$F!$$7$F$bNI$$$J$i(B)$B!$F1(B
> $B$8%/%i%$%"%s%H$N%&(B$B%#%s%I%&$G$7$g$&$+$i!$3F%&%#%s%I%&$N(B 
> background $B$r<+J,$G21$($F$*$/$3$H(B$B$O9M$($i$l$^$9!%(B

$B<B$O(B Xlib $B%Y!<%9$N(B Library ($B$C$F$[$IN)GI$8$c$"$j$^$;$s$,(B) $B$r:n$m$&(B
$B$H$7$F$$$k$N$G$9$,(B, background pixel $B$N>pJs$r;}$D$3$H$K$J$k$H(B, $B$=(B$B$l(B
$B0J30$K$bF1$8M}M3$G(B background pixmap, border pixmap $B$b;}$?$J$1$l$P(B
$B$$$1$J$/$J(B$B$j$=$&$G$9$M(B. $B8e$O(B, ...

$B$[$s$H$O(B xx_init(dpy, win) $B$C$F$G$-$k$H%7%s%W%k$G$$$$(B$B$J$C$F;W$C$F(B
$B$$$?$N$G$9$,(B...

$B!t3'$5$s(B, $B5.=E$J8f0U8+$"$j$,$H$&$4$6$$$^(B$B$7$?(B.
--
$B$$$/$*!w%7%9%F%`2J3X(B.$BEl5~9)6HBg3X(B
ikuo@is.titech.ac.jp
Technical Details
Message-ID: <IKUO.92Dec11110516@msa.is.titech.ac.jp>
Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!sun-barr!sh.wide!wnoc-tyo-news!cs.titech!is.titech!ikuo
References: <IKUO.92Dec9123612@msa.is.titech.ac.jp> <NAGAE.92Dec10043723@ipc5.an.isl.titech.ac.jp> <MIKI.92Dec10092310@force.soum.co.jp> <AOYAMA.92Dec10152627@tamtam.astec.co.jp>

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From: ikuo@is.titech.ac.jp (IKUO NAKAGAWA)
Subject: Re: get background pixel from window
References: <IKUO.92Dec9123612@msa.is.titech.ac.jp> 
    <NAGAE.92Dec10043723@ipc5.an.isl.titech.ac.jp>
    <MIKI.92Dec10092310@force.soum.co.jp>
    <AOYAMA.92Dec10152627@tamtam.astec.co.jp>
Message-ID: <IKUO.92Dec11110516@msa.is.titech.ac.jp>
Reply-To: ikuo@is.titech.ac.jp
Organization: Tokyo Institute of Technology, Tokyo, JAPAN
In-Reply-To: miki@soum.co.jp's message of Thu, 10 Dec 1992 00:23:10 GMT
Sender: news@is.titech.ac.jp (Usenet News System)
Distribution: fj
Date: Fri, 11 Dec 1992 02:05:16 GMT
X-Bytes: 2839
Lines: 56