So here is just a basic code to1/ get the dimensions of an item A that will be typeset, before it is actually typeset 2/ use these dimensions to define a item B that should be typeset before item 1
3/ typeset of item B and finally item A
It is a quick and dirty solution.
Please, could you help me to have a more elegant solution
1/ to replace
"width=\measure{FTitleW},"
by something more direct like
"width=\GetDim{myframes}{FTitle}
2/ to replace
context("\\definemeasure[#2W][" .. (n.width /65536) .. "pt]")
by a more "luametatexish" formulation
Le 28/05/2022 à 20:25, Garulfo a écrit :
some progress... if it can help.No more issue with nonsymetrical behavior, and \framed are properly aligned with the grid.Garulfo
mesure_framed.pdf
Description: Adobe PDF document
\defineblock[myframes]
\unexpanded\def\GetDim#1#2{
\setbox\scratchbox\hbox\bgroup\useblocks[#1][#2]\egroup%
\directlua{%
local n = tex.getbox('scratchbox')
context("\\definemeasure[#2W][" .. (n.width /65536) .. "pt]")
context("\\definemeasure[#2H][" .. (n.height /65536) .. "pt]")
}}
%------------------------------------------------------------------------------
\starttext
\beginmyframes[FTitle]
\framed
[align=normal]
{initial framed for a title zone\\
early in the source code but not yet typeset\\
with a long sentence to take place horizontaly and for demonstration}
\endmyframes
\GetDim{myframes}{FTitle}
\framed
[align=normal,
width=\measure{FTitleW},
height=\measure{FTitleH}]
{a second framed, with dimensions equal to the original frame, typeset before the original}
\useblocks[myframes][FTitle]
\stoptext
%------------------------------------------------------------------------------
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