diff options
Diffstat (limited to 'tex/context/base/mkxl/trac-vis.lmt')
| -rw-r--r-- | tex/context/base/mkxl/trac-vis.lmt | 84 |
1 files changed, 73 insertions, 11 deletions
diff --git a/tex/context/base/mkxl/trac-vis.lmt b/tex/context/base/mkxl/trac-vis.lmt index 0cf6cb6a3..68310ef69 100644 --- a/tex/context/base/mkxl/trac-vis.lmt +++ b/tex/context/base/mkxl/trac-vis.lmt @@ -93,6 +93,7 @@ local pt_factor = number.dimenfactors.pt local nodepool = nuts.pool local new_rule = nodepool.rule +local new_virtual_rule = nodepool.virtualrule local new_kern = nodepool.kern local new_glue = nodepool.glue local new_hlist = nodepool.hlist @@ -249,6 +250,12 @@ local function enable() tex.setcount("global","c_syst_visualizers_state",1) -- so that we can optimize at the tex end end +function visualizers.enable() + if not enabled then + enable() + end +end + local function setvisual(n,a,what,list) -- this will become more efficient when we have the bit lib linked in if not n or n == "reset" then return unsetvalue @@ -400,33 +407,88 @@ directives.register("visualizers.fraction", function(v) fraction = (v and tonumb -- ... if okay it will replace the current hpack_string in node_typ +-- local function sometext(str,layer,color,textcolor,lap,variant) +-- local text = hpack_string(str,usedfont) +-- local size = getwidth(text) +-- local rule = new_rule(size,2*exheight,exheight/2) +-- local kern = new_kern(-size) +-- if color then +-- setcolor(rule,color) +-- end +-- if textcolor then +-- setlistcolor(getlist(text),textcolor) +-- end +-- local info = setlink(rule,kern,text) +-- setlisttransparency(info,"trace:g") +-- info = hpack_nodes(info) +-- local width = getwidth(info) +-- if variant then +-- setoffsets(info,0,variant*exheight) +-- end +-- if lap then +-- info = new_hlist(setlink(new_kern(-width),info)) -- use xoffset and set info wd to 0 +-- else +-- info = new_hlist(info) -- a bit overkill: double wrapped +-- end +-- if layer then +-- setattr(info,a_layer,layer) +-- end +-- return info, width +-- end + +-- local function sometext(str,layer,color,textcolor,lap,variant) +-- local text = hpack_string(str,usedfont) +-- local size = getwidth(text) +-- local rule = new_virtual_rule(size,2*exheight,exheight/2) +-- if color then +-- setcolor(rule,color) +-- end +-- if textcolor then +-- setlistcolor(getlist(text),textcolor) +-- end +-- local info = setlink(rule,text) +-- setlisttransparency(info,"trace:g") +-- info = hpack_nodes(info) +-- if variant then +-- setoffsets(info,0,variant*exheight) +-- end +-- info = new_hlist(info) -- a bit overkill: double wrapped +-- if lap then +-- setoffsets(info,-size) +-- end +-- if layer then +-- setattr(info,a_layer,layer) +-- end +-- return info, size +-- end + local function sometext(str,layer,color,textcolor,lap,variant) local text = hpack_string(str,usedfont) local size = getwidth(text) - local rule = new_rule(size,2*exheight,exheight/2) - local kern = new_kern(-size) + local rule = new_virtual_rule(size,2*exheight,exheight/2) if color then setcolor(rule,color) end if textcolor then setlistcolor(getlist(text),textcolor) end - local info = setlink(rule,kern,text) + local info = setlink(rule,text) setlisttransparency(info,"trace:g") - info = hpack_nodes(info) - local width = getwidth(info) + info = new_hlist(info) + local x, y + if lap then + x = -size + end if variant then - setoffsets(info,0,variant*exheight) + y = variant * exheight end - if lap then - info = new_hlist(setlink(new_kern(-width),info)) - else - info = new_hlist(info) -- a bit overkill: double wrapped + if x or y then + setoffsets(info,x,y) end if layer then setattr(info,a_layer,layer) end - return info, width + return info, size end local function someblob(str,layer,color,textcolor,width) |