diff options
Diffstat (limited to 'tex/context/base/mkiv/lpdf-wid.lua')
| -rw-r--r-- | tex/context/base/mkiv/lpdf-wid.lua | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/tex/context/base/mkiv/lpdf-wid.lua b/tex/context/base/mkiv/lpdf-wid.lua index fceae49cb..03febbf01 100644 --- a/tex/context/base/mkiv/lpdf-wid.lua +++ b/tex/context/base/mkiv/lpdf-wid.lua @@ -6,7 +6,26 @@ if not modules then modules = { } end modules ['lpdf-wid'] = { license = "see context related readme files" } -local gmatch, gsub, find, lower, format = string.gmatch, string.gsub, string.find, string.lower, string.format +-- It's about time to give up on media in pdf and admit that pdf lost it to html. +-- First we had movies and sound, quite easy to deal with, but obsolete now. Then we +-- had renditions but they turned out to be unreliable from the start and look +-- obsolete too or at least they are bound to the (obsolete) flash technology for +-- rendering. They were already complex constructs. Now we have rich media which +-- instead of providing a robust future proof framework fo rgeneral media types +-- again seems to depend on viewers built in (yes, also kind of obsolete) flash +-- technology, and we cannot expect this non-open technology to show up in open +-- browsers. So, in the end we can best just use links to external resources to be +-- future proof. Just look at the viewer prferences pane to see how fragile support +-- is. Interestingly u3d support is kind of built in, while e.g. mp4 support relies +-- on wrapping in swf. We used to stay ahead of the pack with support of the fancy +-- pdf features but it backfires and is not worth the trouble. And yes, for control +-- (even simple like starting and stopping videos) one has to revert to JavaScript, +-- the other fragile bit. And, now that adobe quits flash in 2020 we're without any +-- video anyway. Also, it won't play on all platforms and devices so let's wait for +-- html5 media in pdf then. + +local tonumber, next = tonumber, next +local gmatch, gsub, find, lower = string.gmatch, string.gsub, string.find, string.lower local stripstring = string.strip local settings_to_array = utilities.parsers.settings_to_array local settings_to_hash = utilities.parsers.settings_to_hash @@ -137,8 +156,8 @@ comment_symbols.Default = Note local function analyzesymbol(symbol,collection) if not symbol or symbol == "" then - return collection.Default, nil - elseif collection[symbol] then + return collection and collection.Default, nil + elseif collection and collection[symbol] then return collection[symbol], nil else local setn, setr, setd @@ -160,6 +179,17 @@ local function analyzesymbol(symbol,collection) end end +local function analyzenormalsymbol(symbol) + local appearance = pdfdictionary { + N = registeredsymbol(symbol), + } + local appearanceref = pdfshareobjectreference(appearance) + return appearanceref +end + +codeinjections.analyzesymbol = analyzesymbol +codeinjections.analyzenormalsymbol = analyzenormalsymbol + local function analyzelayer(layer) -- todo: (specification.layer ~= "" and pdfreference(specification.layer)) or nil, -- todo: ref to layer end @@ -289,7 +319,8 @@ function codeinjections.embedfile(specification) local d = pdfdictionary { Type = pdfconstant("Filespec"), F = pdfstring(savename), - UF = pdfstring(savename), + -- UF = pdfstring(savename), + UF = pdfunicode(savename), EF = pdfdictionary { F = pdfreference(f) }, Desc = title ~= "" and pdfunicode(title) or nil, -- AFRelationship = pdfconstant("Source"), -- some day maybe, not mandate @@ -363,7 +394,7 @@ function nodeinjections.attachfile(specification) FS = aref, Contents = pdfunicode(title), Name = name, - NM = pdfstring(format("attachment:%s",nofattachments)), + NM = pdfstring("attachment:"..nofattachments), T = author ~= "" and pdfunicode(author) or nil, Subj = subtitle ~= "" and pdfunicode(subtitle) or nil, C = analyzecolor(specification.colorvalue,specification.colormodel), @@ -371,9 +402,13 @@ function nodeinjections.attachfile(specification) AP = appearance, OC = analyzelayer(specification.layer), } - local width, height, depth = specification.width or 0, specification.height or 0, specification.depth - local box = hpack_node(nodeinjections.annotation(width,height,depth,d())) - box.width, box.height, box.depth = width, height, depth + local width = specification.width or 0 + local height = specification.height or 0 + local depth = specification.depth or 0 + local box = hpack_node(nodeinjections.annotation(width,height,depth,d())) + box.width = width + box.height = height + box.depth = depth return box end end @@ -452,10 +487,12 @@ function nodeinjections.comment(specification) -- brrr: seems to be done twice CA = analyzetransparency(specification.transparencyvalue), OC = analyzelayer(specification.layer), Name = name, - NM = pdfstring(format("comment:%s",nofcomments)), + NM = pdfstring("comment:"..nofcomments), AP = appearance, } - local width, height, depth = specification.width or 0, specification.height or 0, specification.depth + local width = specification.width or 0 + local height = specification.height or 0 + local depth = specification.depth or 0 local box if usepopupcomments then -- rather useless as we can hide/vide @@ -473,7 +510,9 @@ function nodeinjections.comment(specification) -- brrr: seems to be done twice else box = hpack_node(nodeinjections.annotation(width,height,depth,d())) end - box.width, box.height, box.depth = width, height, depth -- redundant + box.width = width -- redundant + box.height = height -- redundant + box.depth = depth -- redundant return box end |