nanogui: rewriting texts
Subject:
Re: [nanogui] rewriting texts
From:
Pete Klemm ####@####.####
Date:
14 Jun 2006 22:46:02 +0100
Message-Id: <44908395.2080304@esysr.com>
Junior wrote:
> Hi,
> I've had this problem before that I work around by rewriting the entire screen and I don't think I should have to do that but I do need someone to point me in the right direction.
> On this example I use GrCopyArea and no Expose event except for the initial window creation.
>
> I have a window and on it I display a text, say 15 chars long with a fg and bg colour. Later at that same coordinate, I display a text, 15 chars (10 chars actual text and 5 blank spaces) with the same fg and bg colour.
> In this case I expect the new text to overwrite the old text but it does not. Instead it's supperimposed on it. Initially I repaint the screen and write the new text but I don't think that should be necessary.
>
Did you set the background to opaque?
> Is there a way around this problem?
> I think it may be because I'm using GrCopy, but I don't see it acting dfiifernt if I use any other method.
>
> Any ideas?
>
> Thanks.
> --Jr
>
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