diff options
Diffstat (limited to 'tex/context/base/mkxl/node-rul.lmt')
| -rw-r--r-- | tex/context/base/mkxl/node-rul.lmt | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/tex/context/base/mkxl/node-rul.lmt b/tex/context/base/mkxl/node-rul.lmt index 4931569a7..8fa02cc89 100644 --- a/tex/context/base/mkxl/node-rul.lmt +++ b/tex/context/base/mkxl/node-rul.lmt @@ -104,6 +104,7 @@ local implement = interfaces.implement local privateattributes = attributes.private local a_ruled = privateattributes('ruled') +local a_ruledextra = privateattributes('ruledextra') local a_runningtext = privateattributes('runningtext') local a_color = privateattributes('color') local a_transparency = privateattributes('transparency') @@ -239,6 +240,13 @@ function rules.define(settings) return nofdata end +local extrarules = false +local extra = false + +function rules.enableextra() + extrarules = true +end + local function flush_ruled(head,f,l,d,level,parent,strip) -- not that fast but acceptable for this purpose local font = nil local char, id = isglyph(f) @@ -334,20 +342,22 @@ local function flush_ruled(head,f,l,d,level,parent,strip) -- not that fast but a end if mp and mp ~= "" then - local r = usernutrule { - width = wd, - height = ht, - depth = dp, - type = "mp", - factor = e, - offset = offset, - line = rulethickness, - data = mp, - ma = colorspace, - ca = color, - ta = transparency, - } - inject(r,wd,ht,dp) + for i=extra and level or 1,level do + local r = usernutrule { + width = wd, + height = ht, + depth = dp, + type = "mp", + factor = e, + offset = offset - (i-1)*dy, + line = rulethickness, + data = mp, + ma = colorspace, + ca = color, + ta = transparency, + } + inject(r,wd,ht,dp) + end else local tx = d.text if tx then @@ -359,7 +369,7 @@ local function flush_ruled(head,f,l,d,level,parent,strip) -- not that fast but a l = hpack_nodes(l,wd,"exactly") inject(l,wd,ht,dp) else - for i=1,level do + for i=extra and level or 1,level do local hd = (offset+(i-1)*dy)*e - m local ht = hd + rulethickness local dp = -hd + rulethickness @@ -370,8 +380,15 @@ local function flush_ruled(head,f,l,d,level,parent,strip) -- not that fast but a return head end + rules.handler = function(head) - return processwords(a_ruled,data,flush_ruled,head) + extra = false + head = processwords(a_ruled,data,flush_ruled,head) + if extrarules then + extra = true + head = processwords(a_ruledextra,data,flush_ruled,head) + end + return head end function rules.enable() @@ -643,6 +660,12 @@ implement { } implement { + name = "enableextrarules", + onlyonce = true, + actions = rules.enableextra +} + +implement { name = "defineshift", actions = { shifts.define, context }, arguments = { |