nanogui: pixmaps and XOR not working
Subject:
Re: [nanogui] pixmaps and XOR not working
From:
"Greg Haerr" ####@####.####
Date:
4 May 2010 04:23:51 -0000
Message-Id: <E2E3408656654CAF88F893CECDF90472@pcarnoldt>
> So far I have
> compiled the sources from the repository and linked in libNX11 and
> libnano-X on my development machine. All seems to work _except_ a sprite
> that is supposed to move around the screen. This sprite is a pixmap that
> is defined once, then XORed over the background to move it around.
> (XORed once to make it appear, then XORed in the same place to make it
> disappear, repeat in another place.) This doesn't seem to work at all. I
> get a horizontal black line the width of the pixmap at the top of where
> the pixmap should appear. That is all.
It could be that the screen driver isn't implementing XOR for this
operation. What GrXXX function are you using to draw the sprite,
and what bpp, truecolor/palette etc are you running? We need to
determine the screen driver and entry point.
Regards,
Greg
