* Problem with margin figures and whitespace in text
@ 2015-04-26 1:32 Rik Kabel
2015-04-26 18:01 ` Hans Hagen
0 siblings, 1 reply; 3+ messages in thread
From: Rik Kabel @ 2015-04-26 1:32 UTC (permalink / raw)
To: ntg-context
[-- Attachment #1.1: Type: text/plain, Size: 3677 bytes --]
I have two problems with figures placed into the left or right margin.
When the figure is in a group, extra whitespace is inserted between the
paragraphs that precede and follow the placefigure command. This happens
for figures placed by startplacefigure/stopplacefigure and tradiitonal
placefigure commands, and paragraphs placed by
startparagraph/stopparagraph or marked by par or newlines.
When the figure is not in a group, whitespace called for by
\setupwhitespace is lost, except when the paragraphs are marked by
traditional means. That is, whitespace is lost when
startparagraph/stopparagraph is used.
Interestingly, when that is changed to bpar/epar, the problem for
ungrouped figures disappears, but as I understand it, bpar/epar is not a
real substitute for startparagraph/stopparagraph.
There is probably a simple explanation, but it eludes me. I prefer to be
able to use startparagraph/stopparagraph, and it is sometimes desirable
to place a figure into a group in order to prevent unique settings from
leaking out.
The following should demonstrate the problem. Turning on grid setting
makes it worse. I get the same result with current betas and older versions.
\useMPlibrary [dum]
%\showgrid
\setuplayout [%grid=yes,
backspace=151pt,leftmargin=117pt]
\setupwhitespace[big]
\define\Paragraph{\startparagraph\input khatt-en\stopparagraph}
\starttext
{
\subject{Start/stop paragraphs and figures}
\subsubject{Group, extra whitespace}
\Paragraph
\Paragraph
\begingroup
\startplacefigure[location={leftmargin,none}]
\externalfigure[A]
\stopplacefigure
\endgroup
\Paragraph
\Paragraph
\subsubject{No group, no whitespace}
\Paragraph
\Paragraph
\startplacefigure[location={leftmargin,none}]
\externalfigure[A]
\stopplacefigure
\Paragraph
\Paragraph
\Paragraph
}
\page
{
\subject{Start/stop paragraphs, traditional figures}
\subsubject{Group, extra whitespace}
\Paragraph
\Paragraph
{\placefigure[leftmargin,none]{}{\externalfigure[A]}}
\Paragraph
\Paragraph
\subsubject{No group, no whitespace}
\Paragraph
\Paragraph
\placefigure[leftmargin,none]{}{\externalfigure[A]}
\Paragraph
\Paragraph
\Paragraph
}
\page
{
\subject{Traditional paragraphs, start/stop figures}
\subsubject{Group, extra whitespace}
\input khatt-en\par
\input khatt-en\par
\begingroup% or \bgroup or {
\startplacefigure[location={leftmargin,none}]
\externalfigure[A]
\stopplacefigure
\endgroup% or \egroup or }
\input khatt-en\par
\input khatt-en\par
\subsubject{Okay}
\input khatt-en\par
\input khatt-en\par
\startplacefigure[location={leftmargin,none}]
\externalfigure[A]
\stopplacefigure
\input khatt-en\par
\input khatt-en\par
\input khatt-en\par
}
\page
{
\subject{Traditional paragraphs, traditional figures}
\subsubject{Group, extra whitespace}
\input khatt-en\par
\input khatt-en\par
{\placefigure[leftmargin,none]{}{\externalfigure[A]}}
\input khatt-en\par
\input khatt-en\par
\subsubject{Okay}
\input khatt-en\par
\input khatt-en\par
\placefigure[leftmargin,none]{}{\externalfigure[A]}
\input khatt-en\par
\input khatt-en\par
\input khatt-en\par
}
\stoptext
--
Rik
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___________________________________________________________________________________
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
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Problem with margin figures and whitespace in text
2015-04-26 1:32 Problem with margin figures and whitespace in text Rik Kabel
@ 2015-04-26 18:01 ` Hans Hagen
2015-04-26 19:49 ` Rik Kabel
0 siblings, 1 reply; 3+ messages in thread
From: Hans Hagen @ 2015-04-26 18:01 UTC (permalink / raw)
To: ntg-context
On 4/26/2015 3:32 AM, Rik Kabel wrote:
> I have two problems with figures placed into the left or right margin.
> When the figure is in a group, extra whitespace is inserted between the
> paragraphs that precede and follow the placefigure command. This happens
> for figures placed by startplacefigure/stopplacefigure and tradiitonal
> placefigure commands, and paragraphs placed by
> startparagraph/stopparagraph or marked by par or newlines.
>
> When the figure is not in a group, whitespace called for by
> \setupwhitespace is lost, except when the paragraphs are marked by
> traditional means. That is, whitespace is lost when
> startparagraph/stopparagraph is used.
>
> Interestingly, when that is changed to bpar/epar, the problem for
> ungrouped figures disappears, but as I understand it, bpar/epar is not a
> real substitute for startparagraph/stopparagraph.
>
> There is probably a simple explanation, but it eludes me. I prefer to be
> able to use startparagraph/stopparagraph, and it is sometimes desirable
> to place a figure into a group in order to prevent unique settings from
> leaking out.
you can test with this in cont-new.mkiv
\unprotect
\def\page_sides_inject_dummy_lines
{\begingroup
\scratchcounter\pageshrink
\divide\scratchcounter \baselineskip
\advance\scratchcounter \plusone
\parskip\zeropoint
\dorecurse\scratchcounter{\hbox to \hsize{}}%
\kern-\scratchcounter\baselineskip
\penalty\zerocount
\endgroup}
\def\page_sides_prepare_space
{\par
%\whitespace
\begingroup
\forgetall
\reseteverypar
\verticalstrut
\vskip-\struttotal
\endgroup}
\protect
> The following should demonstrate the problem. Turning on grid setting
> makes it worse. I get the same result with current betas and older versions.
>
> \useMPlibrary [dum]
> %\showgrid
> \setuplayout [%grid=yes,
> backspace=151pt,leftmargin=117pt]
> \setupwhitespace[big]
> \define\Paragraph{\startparagraph\input khatt-en\stopparagraph}
> \starttext
> {
> \subject{Start/stop paragraphs and figures}
> \subsubject{Group, extra whitespace}
> \Paragraph
> \Paragraph
> \begingroup
> \startplacefigure[location={leftmargin,none}]
> \externalfigure[A]
> \stopplacefigure
> \endgroup
> \Paragraph
> \Paragraph
> \subsubject{No group, no whitespace}
> \Paragraph
> \Paragraph
> \startplacefigure[location={leftmargin,none}]
> \externalfigure[A]
> \stopplacefigure
> \Paragraph
> \Paragraph
> \Paragraph
> }
> \page
> {
> \subject{Start/stop paragraphs, traditional figures}
> \subsubject{Group, extra whitespace}
> \Paragraph
> \Paragraph
> {\placefigure[leftmargin,none]{}{\externalfigure[A]}}
> \Paragraph
> \Paragraph
> \subsubject{No group, no whitespace}
> \Paragraph
> \Paragraph
> \placefigure[leftmargin,none]{}{\externalfigure[A]}
> \Paragraph
> \Paragraph
> \Paragraph
> }
> \page
> {
> \subject{Traditional paragraphs, start/stop figures}
> \subsubject{Group, extra whitespace}
> \input khatt-en\par
> \input khatt-en\par
> \begingroup% or \bgroup or {
> \startplacefigure[location={leftmargin,none}]
> \externalfigure[A]
> \stopplacefigure
> \endgroup% or \egroup or }
> \input khatt-en\par
> \input khatt-en\par
> \subsubject{Okay}
> \input khatt-en\par
> \input khatt-en\par
> \startplacefigure[location={leftmargin,none}]
> \externalfigure[A]
> \stopplacefigure
> \input khatt-en\par
> \input khatt-en\par
> \input khatt-en\par
> }
> \page
> {
> \subject{Traditional paragraphs, traditional figures}
> \subsubject{Group, extra whitespace}
> \input khatt-en\par
> \input khatt-en\par
> {\placefigure[leftmargin,none]{}{\externalfigure[A]}}
> \input khatt-en\par
> \input khatt-en\par
> \subsubject{Okay}
> \input khatt-en\par
> \input khatt-en\par
> \placefigure[leftmargin,none]{}{\externalfigure[A]}
> \input khatt-en\par
> \input khatt-en\par
> \input khatt-en\par
> }
> \stoptext
>
> --
> Rik
>
>
> ___________________________________________________________________________________
> 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
> ___________________________________________________________________________________
>
--
-----------------------------------------------------------------
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
___________________________________________________________________________________
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Problem with margin figures and whitespace in text
2015-04-26 18:01 ` Hans Hagen
@ 2015-04-26 19:49 ` Rik Kabel
0 siblings, 0 replies; 3+ messages in thread
From: Rik Kabel @ 2015-04-26 19:49 UTC (permalink / raw)
To: ntg-context
On 2015-04-26 14:01, Hans Hagen wrote:
> On 4/26/2015 3:32 AM, Rik Kabel wrote:
>> I have two problems with figures placed into the left or right margin.
>> When the figure is in a group, extra whitespace is inserted between the
>> paragraphs that precede and follow the placefigure command. This happens
>> for figures placed by startplacefigure/stopplacefigure and tradiitonal
>> placefigure commands, and paragraphs placed by
>> startparagraph/stopparagraph or marked by par or newlines.
>>
>> When the figure is not in a group, whitespace called for by
>> \setupwhitespace is lost, except when the paragraphs are marked by
>> traditional means. That is, whitespace is lost when
>> startparagraph/stopparagraph is used.
>>
>> Interestingly, when that is changed to bpar/epar, the problem for
>> ungrouped figures disappears, but as I understand it, bpar/epar is not a
>> real substitute for startparagraph/stopparagraph.
>>
>> There is probably a simple explanation, but it eludes me. I prefer to be
>> able to use startparagraph/stopparagraph, and it is sometimes desirable
>> to place a figure into a group in order to prevent unique settings from
>> leaking out.
>
> you can test with this in cont-new.mkiv
>
> \unprotect
>
> \def\page_sides_inject_dummy_lines
> {\begingroup
> \scratchcounter\pageshrink
> \divide\scratchcounter \baselineskip
> \advance\scratchcounter \plusone
> \parskip\zeropoint
> \dorecurse\scratchcounter{\hbox to \hsize{}}%
> \kern-\scratchcounter\baselineskip
> \penalty\zerocount
> \endgroup}
>
> \def\page_sides_prepare_space
> {\par
> %\whitespace
> \begingroup
> \forgetall
> \reseteverypar
> \verticalstrut
> \vskip-\struttotal
> \endgroup}
>
> \protect
>
Thank you, Hans. That works well, both on the example and on a more
complex real document.
--
Rik
___________________________________________________________________________________
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
___________________________________________________________________________________
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2015-04-26 18:01 ` Hans Hagen
2015-04-26 19:49 ` Rik Kabel
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