diff options
Diffstat (limited to 'tex/context/base/mkiv/driv-ini.lua')
| -rw-r--r-- | tex/context/base/mkiv/driv-ini.lua | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/driv-ini.lua b/tex/context/base/mkiv/driv-ini.lua new file mode 100644 index 000000000..e16327f27 --- /dev/null +++ b/tex/context/base/mkiv/driv-ini.lua @@ -0,0 +1,194 @@ +if not modules then modules = { } end modules ['driv-ini'] = { + version = 1.001, + comment = "companion to driv-ini.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local type = type +local addsuffix = file.addsuffix + +local setmetatableindex = table.setmetatableindex +local formatters = string.formatters + +local starttiming = statistics.starttiming +local stoptiming = statistics.stoptiming + +local report = logs.reporter("drivers") + +local instances = { } +local helpers = { } +local prepared = { } +local wrappedup = { } +local currentdriver = "default" + +local prepare = nil +local convert = nil +local wrapup = nil +local outputfilename = nil + +drivers = drivers or { + instances = instances, + helpers = helpers, + lmtxversion = 0.10, +} + +local dummy = function() end + +local defaulthandlers = { + prepare = dummy, + initialize = dummy, + finalize = dummy, + updatefontstate = dummy, + wrapup = dummy, + convert = dummy, + outputfilename = dummy, +} + +function drivers.install(specification) + local name = specification.name + if not name then + report("missing driver name") + return + end + local actions = specification.actions + if not actions then + report("no actions for driver %a",name) + return + end + local flushers = specification.flushers + if not flushers then + report("no flushers for driver %a",name) + return + end + setmetatableindex(actions,defaulthandlers) + instances[name] = specification +end + +function drivers.convert(boxnumber) + callbacks.functions.start_page_number() + starttiming(drivers) + convert(boxnumber) + stoptiming(drivers) + callbacks.functions.stop_page_number() +end + +function drivers.outputfilename() + return outputfilename() +end + + +luatex.wrapup(function() + if not wrappedup[currentdriver] then + starttiming(drivers) + wrapup() + stoptiming(drivers) + wrappedup[currentdriver] = true + end +end) + +function drivers.enable(name) + currentdriver = name or "default" + local actions = instances[currentdriver].actions + prepare = actions.prepare + wrapup = actions.wrapup + convert = actions.convert + outputfilename = actions.outputfilename + -- + if prepare and not prepared[currentdriver] then + starttiming(drivers) + prepare() + stoptiming(drivers) + prepared[currentdriver] = true + end +end + +statistics.register("driver time",function() + return statistics.elapsedseconds(drivers) +end) + +interfaces.implement { + name = "shipoutpage", + arguments = "integer", + actions = drivers.convert, +} + +interfaces.implement { + name = "enabledriver", + arguments = "string", + actions = drivers.enable, +} + +-- The default driver: + +do + + local filename = nil + + drivers.install { + name = "default", + actions = { + convert = tex.shipout, + outputfilename = function() + if not filename then + filename = addsuffix(tex.jobname,"pdf") + end + return filename + end, + }, + flushers = { + -- we always need this entry + }, + } + +end + +setmetatableindex(instances,function() return instances.default end) + +-- for now: + +drivers.enable("default") + +-- helpers + +local s_matrix_0 = "1 0 0 1" +local f_matrix_2 = formatters["%.6F 0 0 %.6F"] +local f_matrix_4 = formatters["%.6F %.6F %.6F %.6F"] + +directives.register("pdf.stripzeros",function() + f_matrix_2 = formatters["%.6N 0 0 %.6N"] + f_matrix_4 = formatters["%.6N %.6N %.6N %.6N"] +end) + +function helpers.tomatrix(rx,sx,sy,ry,tx,ty) -- todo: tx ty + if type(rx) == "string" then + return rx + else + if not rx then + rx = 1 + elseif rx == 0 then + rx = 0.0001 + end + if not ry then + ry = 1 + elseif ry == 0 then + ry = 0.0001 + end + if not sx then + sx = 0 + end + if not sy then + sy = 0 + end + if sx == 0 and sy == 0 then + if rx == 1 and ry == 1 then + return s_matrix_0 + else + return f_matrix_2(rx,ry) + end + else + return f_matrix_4(rx,sx,sy,ry) + end + end +end |