> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Sean Fox > Sent: 12 August 2008 20:52 > To: [email protected] > Subject: GIF Transparency Patch > > I was informed this morning that GIFs on > http://www.drobe.co.uk were decoding incorrectly. I narrowed > this down to an error in the way GIF frames were initialised: > the pixels were all set to the background color initially, > rather than being transparent. It could be that this is a > problem in the way transparency is handled in > libnsgif--though I'm hopeful that it's not; the GIF's > transparency index is stored and used, but this code was > written by Richard Wilson and I haven't thoroughly examined > it. The patch should correct the problem, but let me know if > any more quirks come up.
Just a quick note to say I'm afraid this looks like a libnsgif bug. The GIF decoder was tested with quite a large catalogue of GIFs way-back-when and an error like this would have definitely have got a bug report by now given it's on such a high profile RISC OS site ;-). R
