diff options
Diffstat (limited to 'tex/context/base/mkxl/trac-vis.lmt')
| -rw-r--r-- | tex/context/base/mkxl/trac-vis.lmt | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/tex/context/base/mkxl/trac-vis.lmt b/tex/context/base/mkxl/trac-vis.lmt index 73483d47a..e00944413 100644 --- a/tex/context/base/mkxl/trac-vis.lmt +++ b/tex/context/base/mkxl/trac-vis.lmt @@ -1301,15 +1301,53 @@ end local ruledstrut do - local strut_size = 65536 * 8 / 10 - local strut_code = nodes.rulecodes.strut - - ruledstrut = function(head,current) - if getsubtype(current) == strut_code and getwidth(current) == 0 then - -- maybe force gray - setwidth(current,strut_size) - setattr(current,a_layer,l_strut) - head, current = insertnodeafter(head,current,new_kern(-strut_size)) + local strut_size = 65536 * 8 / 10 + local strut_code = nodes.rulecodes.strut + local math_code = nodes.nodecodes.math + local traverseid = nuts.traverseid + local rangedimensions = nuts.rangedimensions + local a_mathaxis = attributes.private("mathaxis") + + ruledstrut = function(head,current,parent) + if getwidth(current) == 0 then + if getsubtype(current) == strut_code then + local w = strut_size + local a = getattr(current,a_mathaxis) + if a then + local b, e + for n in traverseid(math_code,current) do + e = n + break + end + for n in traverseid(math_code,current,true) do + b = n + break + end + if not b then + b = head + end + if not e then + e = nuts.tail(b) + end + w = rangedimensions(parent,b,e) + setwidth(current,w) + setcolor(current,"trace:ds") + settransparency(current,"trace:ds") + head, current, rule = nuts.remove(head,current) + local kern = new_kern(-w) + if a == 2 then + insertnodebefore(head,e,kern) + insertnodebefore(head,e,rule) + else + insertnodeafter(head,b,kern) + insertnodeafter(head,b,rule) + end + else + setwidth(current,w) + head, current = insertnodeafter(head,current,new_kern(w)) + end + setattr(current,a_layer,l_strut) + end end return head, current end @@ -1708,7 +1746,7 @@ do goto list elseif id == rule_code then if trace_strut then - head, current = ruledstrut(head,current) + head, current = ruledstrut(head,current,parent) end elseif id == whatsit_code then if trace_whatsit then |