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path: root/tex/context/base/pack-rul.lua
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-rw-r--r--tex/context/base/pack-rul.lua50
1 files changed, 33 insertions, 17 deletions
diff --git a/tex/context/base/pack-rul.lua b/tex/context/base/pack-rul.lua
index 181bff234..cd2e809e7 100644
--- a/tex/context/base/pack-rul.lua
+++ b/tex/context/base/pack-rul.lua
@@ -17,52 +17,68 @@ local texdimen, texcount = tex.dimen, tex.count
-- fastrepack
function commands.doreshapeframedbox(n)
- local box, noflines, firstheight, lastdepth, lastlinelength = texbox[n], 0, nil, nil, 0
+ local box = texbox[n]
+ local noflines = 0
+ local firstheight = nil
+ local lastdepth = nil
+ local lastlinelength = 0
+ local minwidth = 0
+ local maxwidth = 0
+ local totalwidth = 0
if box.width ~= 0 then
local list = box.list
if list then
- local width, done = 0, false
for h in traverse_id('hlist',list) do -- no dir etc needed
if not firstheight then
firstheight = h.height
end
lastdepth = h.depth
+ noflines = noflines + 1
local l = h.list
if l then
- done = true
local p = hpack(copy(l))
lastlinelength = p.width
- if lastlinelength > width then
- width = lastlinelength
+ if lastlinelength > maxwidth then
+ maxwidth = lastlinelength
+ end
+ if lastlinelength < minwidth or minwidth == 0 then
+ minwidth = lastlinelength
end
+ totalwidth = totalwidth + lastlinelength
free(p)
end
end
- if done then
- if width ~= 0 then
+ if firstheight then
+ if maxwidth ~= 0 then
for h in traverse_id('hlist',list) do
local l = h.list
if l then
- -- if h.width ~= width then -- else no display math handling (uses shift)
- h.list = hpack(l,width,'exactly',h.dir)
+ -- if h.width ~= maxwidth then -- else no display math handling (uses shift)
+ h.list = hpack(l,maxwidth,'exactly',h.dir)
h.shift = 0 -- needed for display math
- h.width = width
+ h.width = maxwidth
-- end
end
end
end
- box.width = width
+ box.width = maxwidth
end
end
end
---~ print("reshape", noflines, firstheight or 0, lastdepth or 0)
- texsetcount("global","framednoflines", noflines)
- texsetdimen("global","framedfirstheight", firstheight or 0)
- texsetdimen("global","framedlastdepth", lastdepth or 0)
+ -- print("reshape", noflines, firstheight or 0, lastdepth or 0)
+ texsetcount("global","framednoflines", noflines)
+ texsetdimen("global","framedfirstheight", firstheight or 0)
+ texsetdimen("global","framedlastdepth", lastdepth or 0)
+ texsetdimen("global","framedminwidth", minwidth)
+ texsetdimen("global","framedmaxwidth", maxwidth)
+ texsetdimen("global","framedaveragewidth", noflines > 0 and totalwidth/noflines or 0)
end
function commands.doanalyzeframedbox(n)
- local box, noflines, firstheight, lastdepth = texbox[n], 0, nil, nil
+ local box = texbox[n]
+ local noflines = 0
+ local firstheight = nil
+ local lastdepth = nil
if box.width ~= 0 then
local list = box.list
if list then
@@ -75,7 +91,7 @@ function commands.doanalyzeframedbox(n)
end
end
end
---~ print("analyze", noflines, firstheight or 0, lastdepth or 0)
+ -- print("analyze", noflines, firstheight or 0, lastdepth or 0)
texsetcount("global","framednoflines", noflines)
texsetdimen("global","framedfirstheight", firstheight or 0)
texsetdimen("global","framedlastdepth", lastdepth or 0)