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Date: Sun, 29 May 2016 11:50:59 +0100
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From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] More about /dev/draw
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On 28 May 2016 at 18:23, Dave MacFarlane <driusan@gmail.com> wrote:

> Does anyone have any pointers?


I'd check that the image you're drawing with S over D isn't filled with a
completely transparent value
if the image has got an alpha channel.

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<div dir=3D"ltr"><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">=
On 28 May 2016 at 18:23, Dave MacFarlane <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:driusan@gmail.com" target=3D"_blank">driusan@gmail.com</a>&gt;</span>=
 wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bor=
der-left:1px #ccc solid;padding-left:1ex">Does anyone have any pointers? </=
blockquote></div><br>I&#39;d check that the image you&#39;re drawing with S=
 over D isn&#39;t filled with a completely transparent value</div><div clas=
s=3D"gmail_extra">if the image has got an alpha channel.</div></div>

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