nanogui: PNG support
Subject:
RE: [nanogui] PNG Support
From:
Fabrice Gautier ####@####.####
Date:
24 Sep 2002 01:23:18 -0000
Message-Id: <B1F6452C89AFD411AE0800A0CC734C239DBD34@EMAIL1>
Ok, i see, the call to png_set_expand is commented out in my source.
I'm not sure if i did this, or if it was like this when i get the sources,
anyway my microwindows are getting quite old now...
But why do you think its better to expand the PNG ? You're not expanding the
GIFs are you?
--
Fabrice Gautier,
####@####.####
> -----Original Message-----
> From: Jordan Crouse ####@####.####
> Sent: Thursday, September 19, 2002 12:49 PM
> To: Greg Haerr
> Cc: ####@####.#### ####@####.####
> Subject: Re: [nanogui] PNG Support
>
>
> We use the png_set_expand() function to force the PNG library
> to decode to 24 bits, which is the correct thing to do in this case.
>
> Because we decode to 24 bits, then we set the image up as a
> 24 bit image (with the pitch set accordingly). I would
> assume that GrDrawImage() uses some of the values from the
> image struture without properly adjusting them for the real
> depth of the window first.
>
> Jordan
>
