[NTG-context] Re: externalfigure crashed
On 12/4/2023 5:38 PM, Pablo Rodriguez via ntg-context wrote:
On 11/24/23 18:16, Hans Hagen via ntg-context wrote:
[…]
will do for now ... i can't upload a new installer .. pending the built;
the advantage is that i can do some experiments that would otherwise
break the current version (making compact font mode very close to
normal, pdf signing […]
Sorry, Hans, if I am missing the point.
Does the above mean that ConTeXt will be able to sign PDF documents with
digital certificates?
Well, that's what singing is, right? The problem is actually less in the
signing than in the certificates themselves.
Basically one can sign (with some certificate) and then validate.
% sign-001.tex
\setupinteraction[state=start]
\definefield[signature][signed]
\defineoverlay[signature][my signature]
\starttext
\startTEXpage[offset=1ts,frame=on,framecolor=darkblue]
sign: \inframed
[background=signature,framecolor=darkred]
{\fieldbody[signature][width=3cm,option=hidden]}
\stopTEXpage
\stoptext
after neing processed:
mtxrun --script pdf --sign --certificate=sign-001.pem --password=test
sign-001 (--library)
and:
mtxrun --script pdf --validate --certificate=sign-001.pem
--password=test sign-001 (--library)
etc. works here.
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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Re: [NTG-context] animation error
Am 06.09.2011 um 16:52 schrieb dalyoung:
Dear Wolfgang,
In the recent beta, \startanimation \stopanimation is not working.
There is a undefined control sequence error at \stopanimation.
In the version 2011/08/10, it works fine.
Is there anything changed in the recent version?
There had been changes in the parameter handler for mkiv.
scrn-fld.mkvi:
\def\scrn_fieldstack_add#tag#settings#symbol%
{\advance\scratchcounter\plusone
\edef\currentfieldstackname{#tag:\number\scratchcounter}%
- \ifnum\scratchcounter=\@@fdstart\relax
+ \ifnum\scratchcounter=\fieldcategoryparameter\c!start\relax
\definefieldbody[\currentfieldstackname][\c!type=check,\c!values={#symbol,\empty},\c!default={#symbol}]%
\else
\definefieldbody[\currentfieldstackname][\c!type=check,\c!values={#symbol,\empty},\c!default=]%
\fi
\setbox\scrn_fieldstack_box\hbox{\symbol[#symbol]}%
\setcollector
[fieldstack]
{\fieldbody
[\currentfieldstackname]
[\c!option=\v!readonly,
\c!width=\wd\scrn_fieldstack_box,
\c!height=\ht\scrn_fieldstack_box,
\c!depth=\dp\scrn_fieldstack_box,
#settings]}}
Wolfgang
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Re: [NTG-context] Widget and mandatory Rect field?
On 18-4-2011 7:31, Reviczky, Adam wrote: Hi I have a PDF with widgets and everything's fine with it, and I'm testing it by opening it with Adobe Reader. Now I had a look again with other viewers and when I open it with evince (poppler based), then it gives me some strange errors like this: Error: Annotation rectangle is wrong type Though it opens it fine and no problems at all. there can also be a puzzling FormFieldButton::setState called on a readOnly field I googled a bit and found a bug report on this: https://bugs.freedesktop.org/show_bug.cgi?id=29954 There it is said that its ConTeXt's fault, as It has a Widget annotation without the mandatory Rect field. Is it really so? I couldn't find any threads on this on the list. \nopdfcompression \setupinteraction[state=start] \definefieldbody[email][type=line] \starttext \startTEXpage \fieldbody[email] \par \fieldbody[email] \stopTEXpage \stoptext gives 17 0 obj /Type /Annot /Q 0 /Subtype /Widget /Parent 16 0 R /DA (/rmtf 11.9552 Tf 1.1955 Ts 0 0 0 rg 0 0 0 RG) /MK /CA () /F 4 /Rect [0 14.4275 59.7758 26.3827] endobj 18 0 obj /Type /Annot /Q 0 /Subtype /Widget /Parent 16 0 R /DA (/rmtf 11.9552 Tf 1.1955 Ts 0 0 0 rg 0 0 0 RG) /MK /CA () /F 4 /Rect [0 0 59.7758 11.9552] endobj which look like Annot's with Rect's to me. There is a parent field 16 0 obj /Q 0 /Subtype /Widget /T feff0065006d00610069006c /F 4 /Kids 15 0 R /V feff /DV feff /Ff 0 /MaxLen 1024 /FT /Tx /DA (/rmtf 11.9552 Tf 1.1955 Ts 0 0 0 rg 0 0 0 RG) endobj but it's not an annot (just a container for shared data). (Actually children can have different rectangles so it would not make sense to share one). Can someone confirm this, can this be even fixed? Are you saying that Evince does forms (and Javascript as it's associated) or is it checking something that is not interpreted anyway? Officially a viewer should ignore annots that it cannot handle. Anyhow, in context we've always had such widgets implemented using a parent / child model and it's the child that matters for rendering (and it definitely has a Rect as it's an Annot) while the parent is just a dictionary and not an annot (one can argue that the Subtype key is not needed there but - at least in the past - it had to be there.) BTW, I'm currently playing with the luatex epdf interface (under construction and being cleaned up for 0.70) and I noticed the same message. Interesting is that there are such widget tests in popler but at the same time more important tests (arrays getting out of bounds leading to crashes) are not there. But Hartmut is working on getting that all fixed in the luatex variant (interface) eventually. The mentioned message probably have to be intercepted as well and be fed into the regular message system. So, unless I'm sure what (and if something) is wrong I'll do nothing. (Acrobat preflights the document all right and some widgets types are too instable to mess with too much anyway.) Hans - Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl - ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
[NTG-context] Widget and mandatory Rect field?
Hi I have a PDF with widgets and everything's fine with it, and I'm testing it by opening it with Adobe Reader. Now I had a look again with other viewers and when I open it with evince (poppler based), then it gives me some strange errors like this: Error: Annotation rectangle is wrong type Though it opens it fine and no problems at all. I googled a bit and found a bug report on this: https://bugs.freedesktop.org/show_bug.cgi?id=29954 There it is said that its ConTeXt's fault, as It has a Widget annotation without the mandatory Rect field. Is it really so? I couldn't find any threads on this on the list. Can someone confirm this, can this be even fixed? Adam PS: As there's an attached PDF on the bug report, but with mkii, I'm attaching a minimal mkiv PDF (widget.pdf), if that helps. made with: %%% \setupinteraction[state=start] \setuppagenumbering[location=] \starttext \definefieldbody[email][type=line] \fieldbody[email] \stoptext %%% widget.pdf Description: widget.pdf ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
