1if not modules then modules = { } end modules ['back-imp-pdf'] = { 2 version = 1.001, 3 comment = "companion to back-imp-pdf.mkiv", 4 author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", 5 copyright = "PRAGMA ADE / ConTeXt Development Team", 6 license = "see context related readme files" 7} 8 9-- We hide the pdf table from users so that we can guarantee no interference with 10-- the way we manage resources, info, etc. Users should use the \type {lpdf} 11-- interface instead. For now we have a little for tikz. If really needed some more 12-- can be made accessible but it has to happen in a controlled way then, for 13-- instance by first loading or enabling some compatibility layer so that we can 14-- trace possible interferences. 15 16updaters.register("backends.pdf.latebindings",function() 17 -- 18 local dummy = function() end 19 local report = logs.reporter("backend") 20 -- 21 -- For now we keep this for tikz. If really needed some more can be made 22 -- accessible but it has to happen in a controlled way then, for instance 23 -- by first loading or enabling some compatibility layer so that we can 24 -- trace possible interferences. 25 -- 26 pdf = { 27 immediateobj = lpdf.immediateobject 28 } 29 30 table.setmetatableindex(pdf,function(t,k) 31 report("calling unavailable pdf.%s function",k) 32 t[k] = dummy 33 return dummy 34 end) 35 36end) 37 38-- The compression setter is defined here because it's probably the only macro 39-- that is used independent of a driver being chosen. It's easier this way than 40-- checking in other ways unless we add some generic compression setting to 41-- all drivers. 42 43interfaces.implement { 44 name = "setpdfcompression", 45 arguments = { "integer", "integer" }, 46 actions = function(...) lpdf.setcompression(...) end, -- this one gets overloaded 47} 48 49-- The pdf driver itself is installed in lpdf-lmt.lmt! 50 |
