Re: [Mageia-dev] Tainted build
On 04.06.2011 05:23, andre999 wrote: > Ahmad Samir a écrit : >> >> On 31 May 2011 16:38, Romain d'Alverny wrote: >>> On Tue, May 31, 2011 at 16:31, andre999 wrote: Michael Scherer a écrit : > Supixel rendering, there is a patent on it : > http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html > The reference is from September 2006, almost 5 years old. There is no indication of expiry dates, and rather limited details on the patent claims involved, apparently now held by Microsoft. (The further link to Microsoft is no longer valid.) It would seem advisable to have more info before making a decision. >>> >>> And you're welcome to search for it and document this situation. Such >>> as with: >>> >>> * http://www.freetype.org/patents.html >>> * http://en.wikipedia.org/wiki/ClearType#Patents >>> * http://en.wikipedia.org/wiki/Subpixel_rendering#Patents >>> >>> Said patents are due to expire in 2018/19 according to these sources. >>> >>> Romain >>> >> >> One more source, the all very-extensive >> http://david.freetype.org/cleartype-patents.html >> written by the freetype upstream lead dev. > > Ok, so a wiki page on outstanding patents would be good. > ... another item on my to-do list :) Created: http://mageia.org/wiki/doku.php?id=patent_list -- Anssi Hannula
Re: [Mageia-dev] Tainted build
Ahmad Samir a écrit : On 31 May 2011 16:38, Romain d'Alverny wrote: On Tue, May 31, 2011 at 16:31, andre999 wrote: Michael Scherer a écrit : Supixel rendering, there is a patent on it : http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html The reference is from September 2006, almost 5 years old. There is no indication of expiry dates, and rather limited details on the patent claims involved, apparently now held by Microsoft. (The further link to Microsoft is no longer valid.) It would seem advisable to have more info before making a decision. And you're welcome to search for it and document this situation. Such as with: * http://www.freetype.org/patents.html * http://en.wikipedia.org/wiki/ClearType#Patents * http://en.wikipedia.org/wiki/Subpixel_rendering#Patents Said patents are due to expire in 2018/19 according to these sources. Romain One more source, the all very-extensive http://david.freetype.org/cleartype-patents.html written by the freetype upstream lead dev. Ok, so a wiki page on outstanding patents would be good. ... another item on my to-do list :) -- André
Re: [Mageia-dev] Tainted build
On 31 May 2011 16:38, Romain d'Alverny wrote: > On Tue, May 31, 2011 at 16:31, andre999 wrote: >> Michael Scherer a écrit : >>> Supixel rendering, there is a patent on it : >>> http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html >>> >> The reference is from September 2006, almost 5 years old. There is no >> indication of expiry dates, and rather limited details on the patent claims >> involved, apparently now held by Microsoft. (The further link to Microsoft >> is no longer valid.) >> It would seem advisable to have more info before making a decision. > > And you're welcome to search for it and document this situation. Such as with: > > * http://www.freetype.org/patents.html > * http://en.wikipedia.org/wiki/ClearType#Patents > * http://en.wikipedia.org/wiki/Subpixel_rendering#Patents > > Said patents are due to expire in 2018/19 according to these sources. > > Romain > One more source, the all very-extensive http://david.freetype.org/cleartype-patents.html written by the freetype upstream lead dev. -- Ahmad Samir
Re: [Mageia-dev] Tainted build
On Tue, May 31, 2011 at 16:31, andre999 wrote: > Michael Scherer a écrit : >> Supixel rendering, there is a patent on it : >> http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html >> > The reference is from September 2006, almost 5 years old. There is no > indication of expiry dates, and rather limited details on the patent claims > involved, apparently now held by Microsoft. (The further link to Microsoft > is no longer valid.) > It would seem advisable to have more info before making a decision. And you're welcome to search for it and document this situation. Such as with: * http://www.freetype.org/patents.html * http://en.wikipedia.org/wiki/ClearType#Patents * http://en.wikipedia.org/wiki/Subpixel_rendering#Patents Said patents are due to expire in 2018/19 according to these sources. Romain
Re: [Mageia-dev] Tainted build
Michael Scherer a écrit : Le mardi 31 mai 2011 à 05:33 +0200, Tux99 a écrit : I thought the core build of freetype2 already has the bytecode interpreter enabled (since the patent expired). Why is there still a need for a tainted version? Supixel rendering, there is a patent on it : http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html The reference is from September 2006, almost 5 years old. There is no indication of expiry dates, and rather limited details on the patent claims involved, apparently now held by Microsoft. (The further link to Microsoft is no longer valid.) It would seem advisable to have more info before making a decision. Microsoft is notarious for bogus (non-enforceable) patent claims. (Like their vague patent on the essential elements of a spreadsheet, issued long after the development of the spreadsheet.) -- André
Re: [Mageia-dev] Tainted build
Le mardi 31 mai 2011 à 05:33 +0200, Tux99 a écrit : > > I thought the core build of freetype2 already has the bytecode interpreter > enabled (since the patent expired). > Why is there still a need for a tainted version? Supixel rendering, there is a patent on it : http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html -- Michael Scherer
Re: [Mageia-dev] Tainted build
I thought the core build of freetype2 already has the bytecode interpreter enabled (since the patent expired). Why is there still a need for a tainted version? -- Mageia ML Forum Gateway: http://mageia.linuxtech.net/forum/
[Mageia-dev] Tainted build
freetype2 didn't get a tainted build yet; I've committed the changes in SVN; not sure if there's still time to submit it, but ideally it wouldn't affect the release ISO's as they'll only have the non-tainted freetype2 build. -- Ahmad Samir
