diff options
Diffstat (limited to 'tex/context/base/mlib-pdf.lua')
| -rw-r--r-- | tex/context/base/mlib-pdf.lua | 93 |
1 files changed, 42 insertions, 51 deletions
diff --git a/tex/context/base/mlib-pdf.lua b/tex/context/base/mlib-pdf.lua index 7a23ba947..88f26e755 100644 --- a/tex/context/base/mlib-pdf.lua +++ b/tex/context/base/mlib-pdf.lua @@ -11,26 +11,41 @@ local abs, sqrt, round = math.abs, math.sqrt, math.round local setmetatable = setmetatable local Cf, C, Cg, Ct, P, S, lpegmatch = lpeg.Cf, lpeg.C, lpeg.Cg, lpeg.Ct, lpeg.P, lpeg.S, lpeg.match -local allocate = utilities.storage.allocate - local report_metapost = logs.reporter("metapost") local mplib, context = mplib, context -local copy_node = node.copy -local write_node = node.write +local allocate = utilities.storage.allocate + +local copy_node = node.copy +local write_node = node.write + +metapost = metapost or { } +local metapost = metapost + +metapost.flushers = metapost.flushers or { } +local pdfflusher = { } +metapost.flushers.pdf = pdfflusher -metapost = metapost or { } -local metapost = metapost +metapost.multipass = false +metapost.n = 0 +metapost.optimize = true -- false -metapost.multipass = false -metapost.n = 0 -metapost.optimize = true -- false +local experiment = true -- uses context(node) that already does delayed nodes + +local savedliterals = nil -- needs checking +local mpsliteral = nodes.pool.register(node.new("whatsit",nodes.whatsitcodes.pdfliteral)) -- pdfliteral.mode = 1 + +local pdfliteral = function(s) + local literal = copy_node(mpsliteral) + literal.data = s + return literal +end ---~ Because in MKiV we always have two passes, we save the objects. When an extra ---~ mp run is done (due to for instance texts identifier in the parse pass), we ---~ get a new result table and the stored objects are forgotten. Otherwise they ---~ are reused. +-- Because in MKiV we always have two passes, we save the objects. When an extra +-- mp run is done (due to for instance texts identifier in the parse pass), we +-- get a new result table and the stored objects are forgotten. Otherwise they +-- are reused. local function getobjects(result,figure,f) if metapost.optimize then @@ -64,23 +79,6 @@ function metapost.convert(result, trialrun, flusher, multipass, askedfig) return true -- done end -metapost.flushers = { } -metapost.flushers.pdf = { } - --- \def\MPLIBtoPDF#1{\ctxlua{metapost.flushliteral(#1)}} - -local savedliterals = nil -- needs checking - -local mpsliteral = nodes.pool.register(node.new("whatsit",8)) -- pdfliteral - -local pdfliteral = function(s) - local literal = copy_node(mpsliteral) - literal.data = s - return literal -end - -local experiment = true -- uses context(node) that already does delayed nodes - function metapost.flushliteral(d) if savedliterals then local literal = copy_node(mpsliteral) @@ -95,7 +93,7 @@ function metapost.flushreset() -- will become obsolete and internal savedliterals = nil end -function metapost.flushers.pdf.comment(message) +function pdfflusher.comment(message) if message then message = format("%% mps graphic %s: %s", metapost.n, message) if experiment then @@ -113,20 +111,20 @@ function metapost.flushers.pdf.comment(message) end end -function metapost.flushers.pdf.startfigure(n,llx,lly,urx,ury,message) +function pdfflusher.startfigure(n,llx,lly,urx,ury,message) savedliterals = nil metapost.n = metapost.n + 1 context.startMPLIBtoPDF(llx,lly,urx,ury) - if message then metapost.flushers.pdf.comment(message) end + if message then pdfflusher.comment(message) end end -function metapost.flushers.pdf.stopfigure(message) - if message then metapost.flushers.pdf.comment(message) end +function pdfflusher.stopfigure(message) + if message then pdfflusher.comment(message) end context.stopMPLIBtoPDF() context.MPLIBflushreset() -- maybe just at the beginning end -function metapost.flushers.pdf.flushfigure(pdfliterals) -- table +function pdfflusher.flushfigure(pdfliterals) -- table if #pdfliterals > 0 then pdfliterals = concat(pdfliterals,"\n") if experiment then @@ -144,7 +142,7 @@ function metapost.flushers.pdf.flushfigure(pdfliterals) -- table end end -function metapost.flushers.pdf.textfigure(font,size,text,width,height,depth) -- we could save the factor +function pdfflusher.textfigure(font,size,text,width,height,depth) -- we could save the factor text = gsub(text,".","\\hbox{%1}") -- kerning happens in metapost (i have to check if this is true for mplib) context.MPtextext(font,size,text,0,-number.dimenfactors.bp*depth) end @@ -273,7 +271,7 @@ function metapost.flush(result,flusher,askedfig) if result then local figures = result.fig if figures then - flusher = flusher or metapost.flushers.pdf + flusher = flusher or pdfflusher local resetplugins = metapost.resetplugins or ignore -- before figure local processplugins = metapost.processplugins or ignore -- each object local synchronizeplugins = metapost.synchronizeplugins or ignore @@ -290,7 +288,7 @@ function metapost.flush(result,flusher,askedfig) local t = { } local miterlimit, linecap, linejoin, dashed = -1, -1, -1, false local bbox = figure:boundingbox() - local llx, lly, urx, ury = bbox[1], bbox[2], bbox[3], bbox[4] -- faster than unpack + local llx, lly, urx, ury = bbox[1], bbox[2], bbox[3], bbox[4] metapost.llx = llx metapost.lly = lly metapost.urx = urx @@ -451,24 +449,17 @@ function metapost.parse(result,askedfig) local figures = result.fig if figures then local analyzeplugins = metapost.analyzeplugins -- each object - for f=1, #figures do + for f=1,#figures do local figure = figures[f] local fignum = figure:charcode() or 0 if askedfig == "direct" or askedfig == "all" or askedfig == fignum then local bbox = figure:boundingbox() - local llx, lly, urx, ury = bbox[1], bbox[2], bbox[3], bbox[4] -- faster than unpack - metapost.llx = llx - metapost.lly = lly - metapost.urx = urx - metapost.ury = ury + metapost.llx = bbox[1] + metapost.lly = bbox[2] + metapost.urx = bbox[3] + metapost.ury = bbox[4] local objects = getobjects(result,figure,f) if objects then - -- for o=1,#objects do - -- local object = objects[o] - -- local prescript = object.prescript - -- if prescript then - -- analyzeplugins(object) - -- end for o=1,#objects do analyzeplugins(objects[o]) end |