On 12/14/2021 10:33 AM, Paul McClernan via use-livecode wrote:
I was fairly certain that XPDF external was/is based on this XPDF:
https://en.m.wikipedia.org/wiki/Xpdf
Which has both GPL and Proprietary Licensing options available.
Nope. My company (Researchware) and I paid for the development of the
XPDF External shipped with LiveCode. Monte did the code for us when he
was an independent LiveCode developer, paid directly by Researchware. It
is based on the C++ "external" API template, calling the Google PDFium
library. Researchware then transferred the license to LiveCode when
Monte went to work for them. I called it XPDF because it was an eXternal
for PDFs. I was unaware (at the time) for anything else using the XPDF
name. And yes, I am to blame (or credit) for the majority of the syntax
for messages, commands, and functions of the XPDF external (with Monte
correcting me when I had a really stupid syntax specified)
The newer (> 9.6.3) PDF Widget is based on PDFium which is an offshoot
project that spawned from Google’s Chromium project. I’m not sure about the
licensing involved with that.
If you’re running macOS I released a (semi-complete) library that uses
Apple PDFKit (not to be confused with several other PDFKits that are out
there, such as this JS PDFKit: https://pdfkit.org ). That can extract text
from PDF, per-document or per-page.
At some point I may update that library, adding the ability to extract RTF
styled text and also make iso it can use UIView, which would make available
on iOS devices too, but I’m really busy right now so that’s not likely to
get attention from me anytime soon.
On Mon, Dec 13, 2021 at 12:47 PM Richard Gaskin via use-livecode <
use-livecode@lists.runrev.com> wrote:
Richmond wrote:
> On 12.12.21 21:33, Richard Gaskin wrote:
>> Stam Kapetanakis wrote:
>> > i presume the pdf widget in pro is the opensource xpdfReader but
>> > don’t know for sure.
>>
>> If it is that would be problematic, as the open source edition of
>> xpdfReader is licensed under GPL, and LC no longer has an edition
>> compatible with GPL.
>
> The consequences are endless.
Note my "if".
In the next message in this thread Paul clarified that the component is
not derived from a GPL-governed work, so the rights and responsibilities
of the GPL do not apply here:
http://lists.runrev.com/pipermail/use-livecode/2021-December/266435.html
--
Richard Gaskin
Fourth World Systems
Software Design and Development for the Desktop, Mobile, and the Web
____________________________________________________________________
ambassa...@fourthworld.com http://www.FourthWorld.com
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