* [NTG-context] viewer layers (optional content groups, OCG)
@ 2023-06-19 18:41 Henning Hraban Ramm via ntg-context
2023-06-22 16:07 ` Hans Hagen via ntg-context
0 siblings, 1 reply; 3+ messages in thread
From: Henning Hraban Ramm via ntg-context @ 2023-06-19 18:41 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Henning Hraban Ramm
Checking viewer layers:
* \setupviewerlayer doesn’t work; e.g. "state=stop" only works if I put
it in \defineviewerlayer
* visible=no has no effect
* what are the options tag/name supposed to do?
(https://wiki.contextgarden.net/Viewer_Layers)
* known problem: only Acrobat supports JS to control OCGs
(\overlayrollbutton in the MWE)
Hraban
\setupinteraction[state=start]% needed for JS
\defineviewerlayer[Gebuesch][
state=stop,
]
\defineviewerlayer[Versteck]
\setupviewerlayer[Versteck][ % doesn’t work
state=stop,
]
\starttext
Hier fängt der Wald an.
\startviewerlayer[Gebuesch]
Hier versteckt sich ein Wolf...
\stopviewerlayer
Bäume, Bäume, Bäume...
\viewerlayer[Gebuesch]{... und ein Rotkehlchen}
\startviewerlayer[Versteck]Rumpelwicht\stopviewerlayer
\defineoverlay[MitVersteck]
[{\overlayrollbutton[VideLayer{Versteck}][HideLayer{Versteck}]}]
\framed[background=MitVersteck]{Kummst du mul kuckn?}
\stoptext
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* Re: [NTG-context] viewer layers (optional content groups, OCG)
2023-06-19 18:41 [NTG-context] viewer layers (optional content groups, OCG) Henning Hraban Ramm via ntg-context
@ 2023-06-22 16:07 ` Hans Hagen via ntg-context
2023-06-23 18:21 ` Pablo Rodriguez via ntg-context
0 siblings, 1 reply; 3+ messages in thread
From: Hans Hagen via ntg-context @ 2023-06-22 16:07 UTC (permalink / raw)
To: Henning Hraban Ramm via ntg-context; +Cc: Hans Hagen
On 6/19/2023 8:41 PM, Henning Hraban Ramm via ntg-context wrote:
> Checking viewer layers:
>
> * \setupviewerlayer doesn’t work; e.g. "state=stop" only works if I put
> it in \defineviewerlayer
in next upload
-----------------------------------------------------------------
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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___________________________________________________________________________________
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* Re: [NTG-context] viewer layers (optional content groups, OCG)
2023-06-22 16:07 ` Hans Hagen via ntg-context
@ 2023-06-23 18:21 ` Pablo Rodriguez via ntg-context
0 siblings, 0 replies; 3+ messages in thread
From: Pablo Rodriguez via ntg-context @ 2023-06-23 18:21 UTC (permalink / raw)
To: Hans Hagen via ntg-context; +Cc: Pablo Rodriguez
[-- Attachment #1: Type: text/plain, Size: 690 bytes --]
On 6/22/23 18:07, Hans Hagen via ntg-context wrote:
> On 6/19/2023 8:41 PM, Henning Hraban Ramm via ntg-context wrote:
>> Checking viewer layers:
>>
>> * \setupviewerlayer doesn’t work; e.g. "state=stop" only works if I put
>> it in \defineviewerlayer
> in next upload
Hans,
since this is related to OCG, a minor improvement.
/Export (inside /Usage) is actually a dictionary with a single entry
(/ExportState) and values /ON and /OFF (from the PDF spec
https://raw.githubusercontent.com/adobe/dc-acrobat-sdk-docs/master/docs/standards/pdfstandards/pdf/PDF32000_2008.pdf#search=ExportState):
The attached patch fixes this issue.
Many thanks for your help,
Pablo
[-- Attachment #2: ocg-export.diff --]
[-- Type: text/x-patch, Size: 399 bytes --]
--- lpdf-ren.lmt 2023-06-23 20:08:17.096662826 +0200
+++ mkxl/lpdf-ren.lmt 2023-06-23 20:09:05.358959481 +0200
@@ -78,8 +78,8 @@
}
local pdf_export = {
- [v_yes] = pdf_on,
- [v_no] = pdf_off,
+ [v_yes] = pdfdictionary { ExportState = pdf_on },
+ [v_no] = pdfdictionary { ExportState = pdf_on },
}
-- We can have references to layers before they are places, for instance from
[-- Attachment #3: Type: text/plain, Size: 496 bytes --]
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maillist : ntg-context@ntg.nl / https://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________
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2023-06-22 16:07 ` Hans Hagen via ntg-context
2023-06-23 18:21 ` Pablo Rodriguez via ntg-context
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