diff options
Diffstat (limited to 'tex/context/base/mkxl/lpdf-lmt.lmt')
| -rw-r--r-- | tex/context/base/mkxl/lpdf-lmt.lmt | 191 |
1 files changed, 49 insertions, 142 deletions
diff --git a/tex/context/base/mkxl/lpdf-lmt.lmt b/tex/context/base/mkxl/lpdf-lmt.lmt index e1637228a..fb7b8ac63 100644 --- a/tex/context/base/mkxl/lpdf-lmt.lmt +++ b/tex/context/base/mkxl/lpdf-lmt.lmt @@ -42,7 +42,6 @@ local loaddata = io.loaddata local bpfactor = number.dimenfactors.bp local osuuid = os.uuid -local zlibcompress = xzip.compress local zlibcompresssize = xzip.compresssize local nuts = nodes.nuts @@ -66,14 +65,6 @@ local pdfimmediateobject -- forward reference local pdfincludeimage -- forward reference -local pdfgetfontname -- elsewhere -local pdfgetfontobjectnumber -- elsewhere - -updaters.register("backend.update.lpdf",function() - pdfgetfontname = lpdf.getfontname - pdfgetfontobjectnumber = lpdf.getfontobjectnumber -end) - local pdf_pages = pdfconstant("Pages") local pdf_page = pdfconstant("Page") local pdf_xobject = pdfconstant("XObject") @@ -94,6 +85,14 @@ local trace_objects = false trackers.register("backend.objects", functio local trace_details = false trackers.register("backend.details", function(v) trace_details = v end) local trace_indices = false trackers.register("backend.fonts.details", function(v) trace_indices = v end) +-- These two tables used a font id as index and will be metatabled in lpdf-emb.lmt: + +local usedfontnames = { } +local usedfontobjects = { } + +lpdf.usedfontnames = usedfontnames +lpdf.usedfontobjects = usedfontobjects + -- experiment: local function compressdata(data,size) @@ -131,7 +130,8 @@ local cmrx, cmry, cmsx, cmsy, cmtx, cmty local tmef local function usefont(t,k) -- a bit redundant hash - local v = pdfgetfontname(k) + -- local v = pdfgetfontname(k) + local v = usedfontnames[k] t[k] = v return v end @@ -987,6 +987,10 @@ local localconverter = nil -- will be set local flushimage do + local pdfbackend = backends.registered.pdf + local nodeinjections = pdfbackend.nodeinjections + local codeinjections = pdfbackend.codeinjections + local newimagerule = nuts.pool.imagerule local newboxrule = nuts.pool.boxrule @@ -1045,13 +1049,19 @@ local flushimage do lpdf.getxformname = getxformname - local function saveboxresource(box,attributes,resources,immediate,kind,margin) + local pdfcollectedresources = lpdf.collectedresources + + function codeinjections.saveboxresource(box,attributes,resources,immediate,kind,margin) n = n + 1 local immediate = true local margin = margin or 0 -- or dimension local objnum = pdfreserveobject() local list = tonut(type(box) == "number" and tex.takebox(box) or box) -- + if resources == true then + resources = pdfcollectedresources() + end + -- local width, height, depth = getwhd(list) -- local l = { @@ -1078,7 +1088,7 @@ local flushimage do return objnum end - local function useboxresource(index,wd,ht,dp) + function nodeinjections.useboxresource(index,wd,ht,dp) local l = boxresources[index] if l then if wd or ht or dp then @@ -1104,20 +1114,15 @@ local flushimage do end end - local function getboxresourcebox(index) + nodeinjections.getboxresourcedimensions = getboxresourcedimensions + + function codeinjections.getboxresourcebox(index) local l = boxresources[index] if l then return l.list end end - updaters.register("backend.update.lpdf",function() - tex.saveboxresource = saveboxresource - tex.useboxresource = useboxresource - tex.getboxresourcedimensions = getboxresourcedimensions - tex.getboxresourcebox = getboxresourcebox - end) - -- a bit of a mess: index is now objnum but that has to change to a proper index -- ... an engine inheritance @@ -1475,7 +1480,7 @@ end --- basics -local wrapup, registerpage do +local wrapupdocument, registerpage do local pages = { } local maxkids = 10 @@ -1550,7 +1555,7 @@ local wrapup, registerpage do -- lpdf.setpageorder(t) -- end - wrapup = function(driver) + wrapupdocument = function(driver) -- hook (to reshuffle pages) local pagetree = { } @@ -1730,7 +1735,8 @@ local finalize do if next(usedfonts) then fonts = pdfdictionary { } for k, v in next, usedfonts do - fonts[f_font(v)] = pdfreference(pdfgetfontobjectnumber(k)) -- we can overload for testing +-- fonts[f_font(v)] = pdfreference(pdfgetfontobjectnumber(k)) -- we can overload for testing + fonts[f_font(v)] = pdfreference(usedfontobjects[k]) -- we can overload for testing end end @@ -1890,17 +1896,6 @@ local finalize do end -updaters.register("backend.update",function() - local saveboxresource = tex.boxresources.save - -- - -- also in lpdf-res .. brrr .. needs fixing - -- - backends.codeinjections.registerboxresource = function(n,offset) - local r = saveboxresource(n,nil,nil,false,0,offset or 0) - return r - end -end) - -- now comes the pdf file handling local objects = { } @@ -2429,7 +2424,6 @@ pdfimmediateobject = function(a,b,c,d) end -- todo: immediate if kind == "stream" then --- flushstreamobj(data,objnum,attr,compresslevel and compresslevel > 0 or nil,nolength) -- nil == auto flushstreamobj(data,objnum,attr,compresslevel,nolength) -- nil == auto elseif objectstream and objcompression ~= false then addtocache(objnum,data) @@ -2747,7 +2741,9 @@ do -- reimplement what we need in context. This will change completely i.e. -- we will drop the low level interface! - local codeinjections = backends.pdf.codeinjections + local pdfbackend = backends.registered.pdf + local nodeinjections = pdfbackend.nodeinjections + local codeinjections = pdfbackend.codeinjections local imagetypes = images.types -- pdf png jpg jp2 jbig2 stream local img_none = imagetypes.none @@ -2828,7 +2824,6 @@ do specification.type = kind specification.kind = kind end --- flushstreamobj(stream,objnum,dict,compresslevel and compresslevel > 0 or nil,nolength) flushstreamobj(stream,objnum,dict,compresslevel,nolength) specification.objnum = objnum specification.rotation = specification.rotation or 0 @@ -2885,108 +2880,7 @@ do lpdf.includeimage = pdfincludeimage -end -- ) - -do - - -- todo: an md5 or sha2 hash can save space - -- todo: make a type 3 font instead - -- todo: move to lpdf namespace - - local pdfimage - local newpdf - local openpdf - local closepdf - local copypage - - updaters.register("backend.update.lpdf",function() - pdfimage = lpdf.epdf.image - newpdf = pdfimage.new - openpdf = pdfimage.open - closepdf = pdfimage.close - copypage = pdfimage.copy - end) - - local embedimage = images.embed - - local nofstreams = 0 - local topdf = { } - local toidx = { } - - local function storedata_s(pdf) - local idx = toidx[pdf] - if not idx then - nofstreams = nofstreams + 1 - idx = nofstreams - toidx[pdf] = nofstreams - topdf[idx] = pdf - end - return idx - end - - local function vfimage_s(id,wd,ht,dp,pos_h,pos_v) - local index = topdf[id] - if type(index) == "string" then - local pdfdoc = newpdf(index,#index) - local image = copypage(pdfdoc) - local bbox = image.bbox - image.width = bbox[3] - bbox[1] - image.height = bbox[4] - bbox[2] - embedimage(image) - index = image.index - topdf[id] = index - end - flushimage(index,wd,ht,dp,pos_h,pos_v) - end - - local function storedata_n(name,page) - local idx = toidx[pdf] - if not idx then - nofstreams = nofstreams + 1 - idx = nofstreams - toidx[pdf] = nofstreams - topdf[idx] = pdf - end - return idx - end - - -- We need to have a way to close such a pdf ... esp for fonts. - - local pdfdocs = { } - - local function vfimage_n(name,page,wd,ht,dp,pos_h,pos_v) - local d = pdfdocs[name] - if not d then - d = { doc = openpdf(name), pages = { } } - pdfdocs[name] = d - end - local index = d.pages[page] - if not index then - local image = copypage(d.doc,page) - local bbox = image.bbox - image.width = bbox[3] - bbox[1] - image.height = bbox[4] - bbox[2] - embedimage(image) - index = image.index - d.pages[page] = index - end - flushimage(index,wd,ht,dp,pos_h,pos_v) - end - - function lpdf.pdfvfimage(wd,ht,dp,data,name) - if type(data) == "number" then - return { "lua", function(font,char,pos_h,pos_v) - vfimage_n(name,data,wd,ht,dp,pos_h,pos_v) - end } - else - return { "lua", function(font,char,pos_h,pos_v) - local id = storedata_s(data) - vfimage_s(id,wd,ht,dp,pos_h,pos_v) - end } - end - end - -end -- ) +end -- The driver. @@ -3003,12 +2897,24 @@ do return pdfname end +-- local outputfilename ; do -- old todo usedname in ^^ +-- local filename = nil +-- outputfilename = function(driver,usedname) +-- if usedname and usedname ~= "" then +-- filename = addsuffix(usedname,"pdf") +-- elseif not filename or filename == "" then +-- filename = addsuffix(tex.jobname,"pdf") +-- end +-- return filename +-- end +-- end + -- todo: prevent twice local function prepare(driver) if not environment.initex then - updaters.apply("backend.update.lpdf") - updaters.apply("backend.update") + -- + backends.initialize("pdf") -- also does bindings -- pdfname = tex.jobname .. ".pdf" openfile(pdfname) @@ -3017,6 +2923,7 @@ do if pdfname then lpdf.finalizedocument() closefile() + pdfname = nil end end) -- @@ -3026,7 +2933,7 @@ do end end) -- - lpdf.registerdocumentfinalizer(wrapup,nil,"wrapping up") + lpdf.registerdocumentfinalizer(wrapupdocument,nil,"wrapping up") -- statistics.register("result saved in file", function() local outputfilename = environment.outputfilename or environment.jobname or tex.jobname or "<unset>" |