Hello Julien, On Tue, Apr 19, 2022 at 11:30 AM Julien Nabet <serval2...@yahoo.fr> wrote:
> Hello, > > I noticed some bugs about dealing with TIFF images (see > https://bugs.documentfoundation.org/show_bug.cgi?id=126152 for the meta). > > According to https://en.wikipedia.org/wiki/TIFF, TIFF is quite complex, I > quote: > > "TIFF is a complex format, defining many tags of which typically only a > few are used in each file. This led to implementations supporting very > varying subsets of the format, a situation that gave rise to the joke that > TIFF stands for *Thousands of Incompatible File Formats*.". > > So in https://gerrit.libreoffice.org/c/core/+/133108, I wondered if we > could use Libtiff. Of course as Tomaž indicated it'll need lots of work. > However Mike pointed out Luboš' commit about Webp to take example > > > https://cgit.freedesktop.org/libreoffice/core/commit/?id=60eaa424c5e213f31227008e1ed66a646491a360 > ("support for the WebP image format (tdf#114532 > <https://bugs.documentfoundation.org/show_bug.cgi?id=114532>)") which can > be a start. > > But before this, is libtiff license compatible? > > I mean, I retrieved source code of libtiff and m4/acinclude.m4 indicates > (from line 192): > > dnl This program is free software; you can redistribute it and/or modify > it > dnl under the terms of the GNU General Public License as published by the > dnl Free Software Foundation; either version 2 of the License, or (at > your > dnl option) any later version. > > If I remember well, GPL isn't sufficient, we also need LGPL, don't we? > > You quoted the license of GNU Autoconf. Libtiff has a BSD-like licence. https://gitlab.com/libtiff/libtiff/-/blob/master/COPYRIGHT Best regards, Andras
