diff options
Diffstat (limited to 'tex/context/base/lpdf-ini.lua')
| -rw-r--r-- | tex/context/base/lpdf-ini.lua | 81 |
1 files changed, 45 insertions, 36 deletions
diff --git a/tex/context/base/lpdf-ini.lua b/tex/context/base/lpdf-ini.lua index 09fb1d096..55da04da4 100644 --- a/tex/context/base/lpdf-ini.lua +++ b/tex/context/base/lpdf-ini.lua @@ -23,7 +23,18 @@ local trace_detail = false trackers.register("backend.detail", function local report_backends = logs.new("backends") -lpdf = lpdf or { } +local backends = backends + +backends.pdf = backends.pdf or { + comment = "backend for directly generating pdf output", + nodeinjections = { }, + codeinjections = { }, + registrations = { }, + tables = { }, +} + +lpdf = lpdf or { } +local lpdf = lpdf local function tosixteen(str) if not str or str == "" then @@ -176,7 +187,7 @@ local tostring_c = function(t) return t[1] end -- already prefixed (h local tostring_z = function() return "null" end local tostring_t = function() return "true" end local tostring_f = function() return "false" end -local tostring_r = function(t) return t[1] .. " 0 R" end +local tostring_r = function(t) local n = t[1] return n and n > 0 and (n .. " 0 R") or "NULL" end local tostring_v = function(t) local s = t[1] @@ -197,7 +208,7 @@ local function value_a(t) return tostring_a(t,true) end -- the call is exper local function value_z() return nil end -- the call is experimental local function value_t(t) return t.value or true end -- the call is experimental local function value_f(t) return t.value or false end -- the call is experimental -local function value_r() return t[1] end -- the call is experimental +local function value_r() return t[1] or 0 end -- the call is experimental -- NULL local function value_v() return t[1] end -- the call is experimental local function add_x(t,k,v) rawset(t,k,tostring(v)) end @@ -481,9 +492,13 @@ local function setpageproperties() pdf.pagesattributes = pagesattributes() end -function lpdf.addtopageresources (k,v) pageresources [k] = v end -function lpdf.addtopageattributes (k,v) pageattributes [k] = v end -function lpdf.addtopagesattributes(k,v) pagesattributes[k] = v end +local function addtopageresources (k,v) pageresources [k] = v end +local function addtopageattributes (k,v) pageattributes [k] = v end +local function addtopagesattributes(k,v) pagesattributes[k] = v end + +lpdf.addtopageresources = addtopageresources +lpdf.addtopageattributes = addtopageattributes +lpdf.addtopagesattributes = addtopagesattributes local function set(where,what,f,when,comment) if type(when) == "string" then @@ -511,14 +526,17 @@ local function run(where,what) end end -function lpdf.registerpagefinalizer(f,when,comment) +local function registerpagefinalizer(f,when,comment) set(pagefinalizers,"page",f,when,comment) end -function lpdf.registerdocumentfinalizer(f,when,comment) +local function registerdocumentfinalizer(f,when,comment) set(documentfinalizers,"document",f,when,comment) end +lpdf.registerpagefinalizer = registerpagefinalizer +lpdf.registerdocumentfinalizer = registerdocumentfinalizer + function lpdf.finalizepage() if not environment.initex then -- resetpageproperties() -- maybe better before @@ -538,7 +556,9 @@ function lpdf.finalizedocument() end end ---~ callbacks.register("finish_pdfoage", lpdf.finalizepage) +backends.pdf.codeinjections.finalizepage = lpdf.finalizepage -- will go when we have hook + +--~ callbacks.register("finish_pdfpage", lpdf.finalizepage) callbacks.register("finish_pdffile", lpdf.finalizedocument) -- some minimal tracing, handy for checking the order @@ -573,10 +593,10 @@ local r_colorspaces, d_colorspaces = pdfreserveobject(), pdfdictionary() local local r_patterns, d_patterns = pdfreserveobject(), pdfdictionary() local p_patterns = pdfreference(r_patterns) local r_shades, d_shades = pdfreserveobject(), pdfdictionary() local p_shades = pdfreference(r_shades) -local function checkextgstates () if next(d_extgstates ) then lpdf.addtopageresources("ExtGState", p_extgstates ) end end -local function checkcolorspaces() if next(d_colorspaces) then lpdf.addtopageresources("ColorSpace",p_colorspaces) end end -local function checkpatterns () if next(d_patterns ) then lpdf.addtopageresources("Pattern", p_patterns ) end end -local function checkshades () if next(d_shades ) then lpdf.addtopageresources("Shading", p_shades ) end end +local function checkextgstates () if next(d_extgstates ) then addtopageresources("ExtGState", p_extgstates ) end end +local function checkcolorspaces() if next(d_colorspaces) then addtopageresources("ColorSpace",p_colorspaces) end end +local function checkpatterns () if next(d_patterns ) then addtopageresources("Pattern", p_patterns ) end end +local function checkshades () if next(d_shades ) then addtopageresources("Shading", p_shades ) end end local function flushextgstates () if next(d_extgstates ) then trace_flush("extgstates") pdfimmediateobject(r_extgstates, tostring(d_extgstates )) end end local function flushcolorspaces() if next(d_colorspaces) then trace_flush("colorspaces") pdfimmediateobject(r_colorspaces,tostring(d_colorspaces)) end end @@ -599,21 +619,21 @@ function lpdf.adddocumentcolorspace(k,v) d_colorspaces[k] = v end function lpdf.adddocumentpattern (k,v) d_patterns [k] = v end function lpdf.adddocumentshade (k,v) d_shades [k] = v end -lpdf.registerdocumentfinalizer(flushextgstates,3,"extended graphic states") -lpdf.registerdocumentfinalizer(flushcolorspaces,3,"color spaces") -lpdf.registerdocumentfinalizer(flushpatterns,3,"patterns") -lpdf.registerdocumentfinalizer(flushshades,3,"shades") +registerdocumentfinalizer(flushextgstates,3,"extended graphic states") +registerdocumentfinalizer(flushcolorspaces,3,"color spaces") +registerdocumentfinalizer(flushpatterns,3,"patterns") +registerdocumentfinalizer(flushshades,3,"shades") -lpdf.registerdocumentfinalizer(flushcatalog,3,"catalog") -lpdf.registerdocumentfinalizer(flushinfo,3,"info") -lpdf.registerdocumentfinalizer(flushnames,3,"names") +registerdocumentfinalizer(flushcatalog,3,"catalog") +registerdocumentfinalizer(flushinfo,3,"info") +registerdocumentfinalizer(flushnames,3,"names") -lpdf.registerpagefinalizer(checkextgstates,3,"extended graphic states") -lpdf.registerpagefinalizer(checkcolorspaces,3,"color spaces") -lpdf.registerpagefinalizer(checkpatterns,3,"patterns") -lpdf.registerpagefinalizer(checkshades,3,"shades") +registerpagefinalizer(checkextgstates,3,"extended graphic states") +registerpagefinalizer(checkcolorspaces,3,"color spaces") +registerpagefinalizer(checkpatterns,3,"patterns") +registerpagefinalizer(checkshades,3,"shades") --- in strc-bkm: lpdf.registerdocumentfinalizer(function() structure.bookmarks.place() end,1) +-- in strc-bkm: lpdf.registerdocumentfinalizer(function() structures.bookmarks.place() end,1) function lpdf.rotationcm(a) local s, c = sind(a), cosd(a) @@ -693,14 +713,3 @@ end -- lpdf.addtoinfo("ConTeXt.Time", os.date("%Y.%m.%d %H:%M")) -- :%S -- lpdf.addtoinfo("ConTeXt.Jobname", tex.jobname) -- lpdf.addtoinfo("ConTeXt.Url", "www.pragma-ade.com") - --- saves definitions later on - -backends = backends or { } -backends.pdf = backends.pdf or { - comment = "backend for directly generating pdf output", - nodeinjections = { }, - codeinjections = { }, - registrations = { }, - helpers = { }, -} |