diff options
author | Marius <mariausol@gmail.com> | 2013-10-20 01:21:09 +0300 |
---|---|---|
committer | Marius <mariausol@gmail.com> | 2013-10-20 01:21:09 +0300 |
commit | b8ac6d7b7fdb16293c28034c349efd5b0b7b20b3 (patch) | |
tree | 0e9051dbe21b4e9cfc72fe594df5b0fe7bc511f3 /tex/context/base/mlib-pdf.lua | |
parent | 965214d981e6129b782c67adcaf3a81aedcb0bac (diff) | |
download | context-b8ac6d7b7fdb16293c28034c349efd5b0b7b20b3.tar.gz |
beta 2013.10.20 07:09
Diffstat (limited to 'tex/context/base/mlib-pdf.lua')
-rw-r--r-- | tex/context/base/mlib-pdf.lua | 77 |
1 files changed, 67 insertions, 10 deletions
diff --git a/tex/context/base/mlib-pdf.lua b/tex/context/base/mlib-pdf.lua index 963309951..d5f22cd7e 100644 --- a/tex/context/base/mlib-pdf.lua +++ b/tex/context/base/mlib-pdf.lua @@ -10,8 +10,9 @@ if not modules then modules = { } end modules ['mlib-pdf'] = { local format, concat, gsub = string.format, table.concat, string.gsub 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 setmetatable, rawset, tostring, tonumber, type = setmetatable, rawset, tostring, tonumber, type +local P, S, C, Ct, Cc, Cg, Cf, Carg = lpeg.P, lpeg.S, lpeg.C, lpeg.Ct, lpeg.Cc, lpeg.Cg, lpeg.Cf, lpeg.Carg +local lpegmatch = lpeg.match local formatters = string.formatters local report_metapost = logs.reporter("metapost") @@ -30,13 +31,12 @@ metapost.flushers = metapost.flushers or { } local pdfflusher = { } metapost.flushers.pdf = pdfflusher -metapost.multipass = false +metapost.multipass = false -- to be stacked metapost.n = 0 -metapost.optimize = true -- false +metapost.optimize = true -- false local experiment = true -- uses context(node) that already does delayed nodes - -local savedliterals = nil -- needs checking +local savedliterals = nil -- needs checking local mpsliteral = nodes.pool.register(node.new("whatsit",nodes.whatsitcodes.pdfliteral)) -- pdfliteral.mode = 1 local pdfliteral = function(s) @@ -268,7 +268,48 @@ metapost.flushnormalpath = flushnormalpath -- performance penalty, but so is passing extra arguments (result, flusher, after) -- and returning stuff. -local function ignore() end +local ignore = function () end + +local space = P(" ") +local equal = P("=") +local key = C((1-equal)^1) * equal +local newline = S("\n\r")^1 +local number = (((1-space-newline)^1) / tonumber) * (space^0) +local variable = + lpeg.P("1:") * key * number + + lpeg.P("2:") * key * C((1-newline)^0) + + lpeg.P("3:") * key * (P("false") * Cc(false) + P("true") * Cc(true)) + + lpeg.S("4568") * P(":") * key * Ct(number^1) + + lpeg.P("7:") * key * Ct(Ct(number * number^-5)^1) + +local pattern = Cf ( Carg(1) * (Cg(variable * newline^0)^0), rawset) + +metapost.variables = { } -- to be stacked +metapost.llx = 0 -- to be stacked +metapost.lly = 0 -- to be stacked +metapost.urx = 0 -- to be stacked +metapost.ury = 0 -- to be stacked + +function commands.mprunvar(key,n) + local value = metapost.variables[key] + if value ~= nil then + local tvalue = type(value) + if tvalue == "table" then + local ntype = type(n) + if ntype == "number" then + context(value[n]) + elseif ntype == "string" then + context(concat(value,n)) + else + context(concat(value," ")) + end + elseif tvalue == "number" or tvalue == "boolean" then + context(tostring(value)) + elseif tvalue == "string" then + context(value) + end + end +end function metapost.flush(result,flusher,askedfig) if result then @@ -283,15 +324,29 @@ function metapost.flush(result,flusher,askedfig) local stopfigure = flusher.stopfigure local flushfigure = flusher.flushfigure local textfigure = flusher.textfigure - for f=1, #figures do + for f=1,#figures do local figure = figures[f] local objects = getobjects(result,figure,f) - local fignum = figure:charcode() or 0 + local fignum = figure:charcode() or 0 if askedfig == "direct" or askedfig == "all" or askedfig == fignum then 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] + local variables = { } + metapost.variables = variables + metapost.properties = { + llx = llx, + lly = lly, + urx = urx, + ury = ury, + slot = figure:charcode(), + width = figure:width(), + height = figure:height(), + depth = figure:depth(), + italic = figure:italcorr(), + } + -- replaced by the above metapost.llx = llx metapost.lly = lly metapost.urx = urx @@ -308,8 +363,10 @@ function metapost.flush(result,flusher,askedfig) for o=1,#objects do local object = objects[o] local objecttype = object.type - if objecttype == "start_bounds" or objecttype == "stop_bounds" or objecttype == "special" then + if objecttype == "start_bounds" or objecttype == "stop_bounds" then -- skip + elseif objecttype == "special" then + lpegmatch(pattern,object.prescript,1,variables) elseif objecttype == "start_clip" then t[#t+1] = "q" flushnormalpath(object.path,t,false) |