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-rw-r--r--tex/context/base/core-snc.tex132
1 files changed, 67 insertions, 65 deletions
diff --git a/tex/context/base/core-snc.tex b/tex/context/base/core-snc.tex
index 81d310c95..e80fd1613 100644
--- a/tex/context/base/core-snc.tex
+++ b/tex/context/base/core-snc.tex
@@ -15,19 +15,24 @@
\unprotect
+\ifx\s!set \undefined \def\s!set {set} \fi
+\ifx\s!reset \undefined \def\s!reset {reset} \fi
+\ifx\s!preset \undefined \def\s!preset {preset} \fi
+\ifx\s!syncpos\undefined \def\s!syncpos{syncpos} \fi
+
\def\definesyncpositions[#1]%
- {\setcounter{num:syncpos:#1}{0}%
- \doglobal\appendtoksonce\getvalue {reset:sync:#1}\to\resetsyncpositions
- \doglobal\appendtoksonce\getvalue{preset:sync:#1}\to\presetsyncpositions
- \setgvalue{syncpos:#1}{sync_n[#1] := 0 ;}%
- \setgvalue{set:syncpos:#1}{\dosetsyncpositions{#1}}}
+ {\setcounter{\s!num:\s!syncpos:#1}{0}%
+ \doglobal\appendtoksonce\getvalue {\s!reset:\s!syncpos:#1}\to\resetsyncpositions
+ \doglobal\appendtoksonce\getvalue{\s!preset:\s!syncpos:#1}\to\presetsyncpositions
+ \setgvalue{\s!syncpos:#1}{sync_n[#1] := 0 ;}%
+ \setgvalue{\s!set:\s!syncpos:#1}{\dosetsyncpositions{#1}}}
\def\syncposition
{\dodoubleempty\dosyncposition}
\def\dosyncposition[#1][#2]%
- {\letgvalue{reset:sync:#1}\relax
- \letgvalue{preset:sync:#1}\relax
+ {\letgvalue{\s!reset:\s!syncpos:#1}\relax
+ \letgvalue{\s!preset:\s!syncpos:#1}\relax
\dontleavehmode
\dodosyncposition{#1}{#2}\s!set
\ignorespaces}
@@ -36,24 +41,24 @@
{\doifelse{\lastsyncclass\lastsyncposition}{#1#2}}
\def\dodosyncposition#1#2#3%
- {\letgvalue{reset:sync:#1}\relax
- \letgvalue{preset:sync:#1}\relax
- \ifundefined{syncpos:#1}%
+ {\letgvalue{\s!reset:\s!syncpos:#1}\relax
+ \letgvalue{\s!preset:\s!syncpos:#1}\relax
+ \ifundefined{\s!syncpos:#1}%
\strut
\else
- \pluscounter{num:syncpos:#1}%
+ \pluscounter{\s!num:\s!syncpos:#1}%
\setsyncpositions{#1}%
% option: geen w/h, alleen p 0 0 0 data
\setpositionplus
- {sync:#1:\countervalue{num:syncpos:#1}}%
+ {\s!syncpos:#1:\countervalue{\s!num:\s!syncpos:#1}}%
{#2}%
- \hbox{\strut\traceposstring\llap\green{#3/\countervalue{num:syncpos:#1}/#1/#2>>}}%
+ \hbox{\strut\traceposstring\llap\green{#3/\countervalue{\s!num:\s!syncpos:#1}/#1/#2>>}}%
\fi}
\def\setsyncpositions#1%
{\enabletextarearegistration
- \getvalue{set:syncpos:#1}%
- \letgvalue{set:syncpos:#1}\relax}
+ \getvalue {\s!set:\s!syncpos:#1}%
+ \letgvalue{\s!set:\s!syncpos:#1}\relax}
\def\dosetsyncpositions#1%
{\startnointerference % removing out of sync can best be done in mp
@@ -61,9 +66,9 @@
\!!counta\zerocount
\!!countc\zerocount
\doloop
- {\doifpositionelse{sync:#1:\recurselevel}
- {\!!dimenb\MPy{sync:#1:\recurselevel}\relax
- \!!countb\MPp{sync:#1:\recurselevel}\relax
+ {\doifpositionelse{\s!syncpos:#1:\recurselevel}
+ {\!!dimenb\MPy{\s!syncpos:#1:\recurselevel}\relax
+ \!!countb\MPp{\s!syncpos:#1:\recurselevel}\relax
\ifnum\!!countb=\!!counta % same page
\ifdim\!!dimenb>\!!dimena
\donefalse % out of order nodes
@@ -77,40 +82,26 @@
\!!counta\!!countb
\!!dimena\!!dimenb
\advance\!!countc\plusone
- \edef\!!stringc{sync:#1:\the\!!countc}%
- \edef\!!stringa{[#1][\the\!!countc]}%
- %
- % the formal way:
- %
- % \setxvalue{syncpos:#1}%
- % {\getsyncpositions{#1}%
- % sync_p [#1][\the\!!countc] := \MPp \!!stringc ;
- % sync_xy[#1][\the\!!countc] := \MPxy\!!stringc ;
- % sync_w [#1][\the\!!countc] := \MPw \!!stringc ;
- % sync_h [#1][\the\!!countc] := \MPh \!!stringc ;
- % sync_d [#1][\the\!!countc] := \MPd \!!stringc ;
- % sync_t [#1][\the\!!countc] := \MPplus{sync:#1:\recurselevel}{2}{0} ; }%
- %
- % less tokens:
- %
\edef\!!stringa{[#1][\the\!!countc]:=}%
- \setxvalue{syncpos:#1}%
+ \edef\!!stringc{\s!syncpos:#1:\the\!!countc}%
+ \edef\!!stringd{\MPplus\!!stringc{1}{0}}%
+ \setxvalue{\s!syncpos:#1}%
{\getsyncpositions{#1}%
sync_p \!!stringa \MPp \!!stringc ;
sync_xy\!!stringa \MPxy\!!stringc ;
sync_w \!!stringa \MPw \!!stringc ;
sync_h \!!stringa \MPh \!!stringc ;
sync_d \!!stringa \MPd \!!stringc ;
- sync_t \!!stringa \MPplus\!!stringc{1}{0} ; }%
+ \ifx\!!stringd\empty \else sync_t \!!stringa \MPplus\!!stringc{1}{0} ; \fi}%
\fi}
- {\setxvalue{syncpos:#1}%
+ {\setxvalue{\s!syncpos:#1}%
{\getsyncpositions{#1}%
sync_n[#1] := \the\!!countc ;}
\exitloop}}%
\stopnointerference}
\def\getsyncpositions#1%
- {\getvalue{syncpos:#1}}
+ {\getvalue{\s!syncpos:#1}}
\newtoks\resetsyncpositions
\newtoks\presetsyncpositions
@@ -121,10 +112,8 @@
\def\dodoresyncposition #1#2{\dodosyncposition{#1}{#2}\s!reset}
\def\dodopresyncposition#1#2{\dodosyncposition{#1}{#2}\s!preset}
-\def\doresyncposition [#1][#2]{\setxvalue{reset:sync:#1}{\noexpand\dodoresyncposition{#1}{#2}}}
-\def\dopresyncposition[#1][#2]{\setxvalue{preset:sync:#1}{\noexpand\dodopresyncposition{#1}{#2}}}
-
-\ifx\s!preset\undefined \def\s!preset{preset} \fi
+\def\doresyncposition [#1][#2]{\setxvalue{\s!reset:\s!syncpos:#1}{\noexpand\dodoresyncposition{#1}{#2}}}
+\def\dopresyncposition[#1][#2]{\setxvalue{\s!preset:\s!syncpos:#1}{\noexpand\dodopresyncposition{#1}{#2}}}
% \appendtoks \the \resetsyncpositions \to \everypar
% \appendtoks \the\presetsyncpositions \to \everypar
@@ -154,26 +143,39 @@
\protect \endinput
-% \definesyncpositions[1]
-
-% \startuseMPgraphic{sync}
-% StartPage ;
-% \getsyncpositions{1} ;
-% SyncThreshold := 2LineHeight ; % maybe 3
-% SyncLeftOffset := -.5LeftMarginDistance ;
-% SetSyncThreshold(1,3,3LineHeight) ;
-% SyncWidth := - (BackSpace + SyncLeftOffset + 3mm) ;
-% SetSyncColor(1,1,\MPcolor{theorie:middel}) ;
-% SetSyncColor(1,2,\MPcolor{praktijk:middel}) ;
-% SetSyncColor(1,3,\MPcolor{samenvatting:middel}) ;
-% SetSyncColor(1,4,\MPcolor{voorbeeld:middel}) ;
-% PrepareSyncTasks(1,true,true,false) ;
-% for i = 1 upto NOfSyncPaths :
-% fill SyncPaths[i] topenlarged (LineHeight+StrutDepth) bottomenlarged LineHeight withcolor white ;
-% fill SyncPaths[i] topenlarged StrutDepth withcolor TheSyncColor(CurrentSyncClass,sync_t[CurrentSyncClass][SyncTasks[i]]) ;
-% endfor ;
-% setbounds currentpicture to Page ;
-% StopPage ;
-% \stopuseMPgraphic
-
-% \defineoverlay[tempoverlay][\useMPgraphic{sync}] \ No newline at end of file
+\starttext
+
+\setupcolors[state=start]
+
+\definesyncpositions[1]
+
+\startuseMPgraphic{sync}
+ StartPage ;
+ \getsyncpositions{1} ;
+ SyncThreshold := 2LineHeight ;
+ SyncLeftOffset := -.5LeftMarginDistance ;
+ % SetSyncThreshold(1,3,3LineHeight) ;
+ SyncWidth := - (BackSpace + SyncLeftOffset) ;
+ SetSyncColor(1,1,\MPcolor{red}) ;
+ SetSyncColor(1,2,\MPcolor{green}) ;
+ SetSyncColor(1,3,\MPcolor{blue}) ;
+ SetSyncColor(1,4,\MPcolor{yellow}) ;
+ PrepareSyncTasks(1,true,true,false) ;
+ for i = 1 upto NOfSyncPaths :
+ fill SyncPaths[i]
+ withcolor TheSyncColor(CurrentSyncClass,sync_t[CurrentSyncClass][SyncTasks[i]]) ;
+ endfor ;
+ setbounds currentpicture to Page ;
+ StopPage ;
+\stopuseMPgraphic
+
+\defineoverlay[tempoverlay][\useMPgraphic{sync}]
+
+\setupbackgrounds[page][background=tempoverlay]
+
+\syncposition[1][1] \input ward \endgraf
+\syncposition[1][2] \input ward \endgraf
+\syncposition[1][3] \input ward \endgraf
+\syncposition[1][4] \input ward \endgraf
+
+\stoptext \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-11 11:08:46 +0000