El mié, 23-07-2008 a las 10:05 +0800, Bean escribió: > On Wed, Jul 23, 2008 at 3:06 AM, Colin D Bennett <[EMAIL PROTECTED]> wrote: > > On Tue, 22 Jul 2008 14:48:31 -0400 > > Pavel Roskin <[EMAIL PROTECTED]> wrote: > > However, I have not been able to load any > > PNG images that I have tried to use. Something about the chunk type not > > being supported. > > > > Hi, > > Please upload the png file that cause problem. > > Also note that png use DEFLATE compression. I write a decoder in png, > which may be a little slow. Perhaps I can import the decoder from > zlib, if copyright allows. Does the GRUB decoder distinguish between critical and ancillary chunks? A decoder finding a critical chunk that it does not understand should abort, but finding an unknown ancillary chunk is not an error - maybe his file has an ancillary chunk like zTXt and the GRUB png reader is rejecting it as having unknown chunks. I didn't even take a look at the decoder code so I could be dead wrong, but I think it's a possibility worth investigating...
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