[NTG-pdftex] crashing png graphic

Hartmut Henkel hartmut_henkel at gmx.de
Sun Jan 30 22:05:33 CET 2005

On Sun, 30 Jan 2005, h h extern wrote:

> Date: Sun, 30 Jan 2005 05:30:49 +0100
> From: Mojca Miklavec <mojca.miklavec at guest.arnes.si>
> Reply-To: mailing list for ConTeXt users <ntg-context at ntg.nl>
> To: mailing list for ConTeXt users <ntg-context at ntg.nl>
> Subject: [NTG-context] pdfeTeX crashes

> The problem was most probably caused by PNG images, exported from MS
> PowerPoint slides, an example is on
> http://pub.mojca.org/mailinglists/context/alpha.png.

tried it, it works ok with pdftex-1.20c.

> It looks like a very strange bug. Any ideas?

most likely a bug in the libpng used in pdftex-1.20a. Solution: Upgrade
to pdftex-1.20c which includes libpng 1.2.8.

> libpng warning: Ignoring bad row filter type

> This is pdfeTeX, Version 3.141592-1.20a-2.2 (Web2c 7.5.3) \write18
> enabled.

Regards, Hartmut

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