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-rw-r--r--src/fontloader/misc/fontloader-mplib.lua114
1 files changed, 107 insertions, 7 deletions
diff --git a/src/fontloader/misc/fontloader-mplib.lua b/src/fontloader/misc/fontloader-mplib.lua
index c6628ac..fd6eb97 100644
--- a/src/fontloader/misc/fontloader-mplib.lua
+++ b/src/fontloader/misc/fontloader-mplib.lua
@@ -22,7 +22,9 @@ if metapost and metapost.version then
else
- local format, concat, abs, match = string.format, table.concat, math.abs, string.match
+ local format, match, gsub = string.format, string.match, string.gsub
+ local concat = table.concat
+ local abs = math.abs
local mplib = require ('mplib')
local kpse = require ('kpse')
@@ -144,10 +146,101 @@ else
metapost.make = metapost.make or function()
end
+ local template = [[
+ \pdfoutput=1
+ \pdfpkresolution600
+ \pdfcompresslevel=9
+ %s\relax
+ \hsize=100in
+ \vsize=\hsize
+ \hoffset=-1in
+ \voffset=\hoffset
+ \topskip=0pt
+ \setbox0=\hbox{%s}\relax
+ \pageheight=\ht0
+ \pagewidth=\wd0
+ \box0
+ \bye
+ ]]
+
+ metapost.texrunner = "mtxrun --script plain"
+
+ local texruns = 0 -- per document
+ local texhash = { } -- per document
+
+ function metapost.maketext(mpd,str,what)
+ -- inefficient but one can always use metafun .. it's more a test
+ -- feature
+ local verbatimtex = mpd.verbatimtex
+ if not verbatimtex then
+ verbatimtex = { }
+ mpd.verbatimtex = verbatimtex
+ end
+ if what == 1 then
+ table.insert(verbatimtex,str)
+ else
+ local texcode = format(template,concat(verbatimtex,"\n"),str)
+ local texdone = texhash[texcode]
+ local jobname = tex.jobname
+ if not texdone then
+ texruns = texruns + 1
+ texdone = texruns
+ texhash[texcode] = texdone
+ local texname = format("%s-mplib-%s.tmp",jobname,texdone)
+ local logname = format("%s-mplib-%s.log",jobname,texdone)
+ local pdfname = format("%s-mplib-%s.pdf",jobname,texdone)
+ io.savedata(texname,texcode)
+ os.execute(format("%s %s",metapost.texrunner,texname))
+ os.remove(texname)
+ os.remove(logname)
+ end
+ return format('"image::%s-mplib-%s.pdf" infont defaultfont',jobname,texdone)
+ end
+ end
+
+ local function mpprint(buffer,...)
+ for i=1,select("#",...) do
+ local value = select(i,...)
+ if value ~= nil then
+ local t = type(value)
+ if t == "number" then
+ buffer[#buffer+1] = format("%.16f",value)
+ elseif t == "string" then
+ buffer[#buffer+1] = value
+ elseif t == "table" then
+ buffer[#buffer+1] = "(" .. concat(value,",") .. ")"
+ else -- boolean or whatever
+ buffer[#buffer+1] = tostring(value)
+ end
+ end
+ end
+ end
+
+ function metapost.runscript(mpd,code)
+ local code = loadstring(code)
+ if type(code) == "function" then
+ local buffer = { }
+ function metapost.print(...)
+ mpprint(buffer,...)
+ end
+ code()
+ -- mpd.buffer = buffer -- for tracing
+ return concat(buffer,"")
+ end
+ return ""
+ end
+
function metapost.load(name)
+ local mpd = {
+ buffer = { },
+ verbatim = { }
+ }
local mpx = mplib.new {
ini_version = true,
- find_file = metapost.finder,
+ find_file = metapost.finder,
+ make_text = function(...) return metapost.maketext (mpd,...) end,
+ run_script = function(...) return metapost.runscript(mpd,...) end,
+ extensions = 1,
}
local result
if not mpx then
@@ -217,8 +310,8 @@ else
return figure:objects()
end
- function metapost.convert(result, flusher)
- metapost.flush(result, flusher)
+ function metapost.convert(result,flusher)
+ metapost.flush(result,flusher)
return true -- done
end
@@ -239,8 +332,13 @@ else
end
function pdf_textfigure(font,size,text,width,height,depth)
- text = text:gsub(".","\\hbox{%1}") -- kerning happens in metapost
- tex.sprint(format("\\MPLIBtextext{%s}{%s}{%s}{%s}{%s}",font,size,text,0,-( 7200/ 7227)/65536*depth))
+ local how, what = match(text,"^(.-)::(.+)$")
+ if how == "image" then
+ tex.sprint(format("\\MPLIBpdftext{%s}{%s}",what,depth))
+ else
+ text = gsub(text,".","\\hbox{%1}") -- kerning happens in metapost
+ tex.sprint(format("\\MPLIBtextext{%s}{%s}{%s}{%s}",font,size,text,depth))
+ end
end
local bend_tolerance = 131/65536
@@ -375,8 +473,10 @@ else
pdf_literalcode("Q")
else
local cs = object.color
+ local cr = false
if cs and #cs > 0 then
- pdf_literalcode(metapost.colorconverter(cs))
+ cs, cr = metapost.colorconverter(cs)
+ pdf_literalcode(cs)
end
local ml = object.miterlimit
if ml and ml ~= miterlimit then