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| author | Hans Hagen <pragma@wxs.nl> | 2018-06-24 21:49:41 +0200 |
|---|---|---|
| committer | Context Git Mirror Bot <phg42.2a@gmail.com> | 2018-06-24 21:49:41 +0200 |
| commit | 00e28123f9c3e7393ea0a49052bc0a3b91a0db4f (patch) | |
| tree | 7fecbc23e4f5a783d6d26d58edaf0481d4a17feb /tex/context/base/mkiv/lpdf-pde.lua | |
| parent | a80891cbf45f9705865ea2774b4e1abdcd36dbf9 (diff) | |
| download | context-00e28123f9c3e7393ea0a49052bc0a3b91a0db4f.tar.gz | |
2018-06-24 18:36:00
Diffstat (limited to 'tex/context/base/mkiv/lpdf-pde.lua')
| -rw-r--r-- | tex/context/base/mkiv/lpdf-pde.lua | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/tex/context/base/mkiv/lpdf-pde.lua b/tex/context/base/mkiv/lpdf-pde.lua index 3f12edd90..bc252b87c 100644 --- a/tex/context/base/mkiv/lpdf-pde.lua +++ b/tex/context/base/mkiv/lpdf-pde.lua @@ -793,8 +793,8 @@ if img then do -- recompress d.Filter = nil d.Length = nil - d.DecodeParms = nil - d.DL = nil + d.DecodeParms = nil -- not relevant + d.DL = nil -- needed? local s = entry() -- get uncompressed stream pdfflushstreamobject(s,d,true,usednum) -- compress stream else @@ -835,6 +835,9 @@ if img then do end local function copyobject(xref,copied,object,key,value) + if not value then + value = object.__raw__[key] + end local t = type(value) if t == "string" then return pdfconstant(value) @@ -949,7 +952,6 @@ if img then do local xobject = pdfdictionary { Group = copyobject(xref,copied,page,"Group"), LastModified = copyobject(xref,copied,page,"LastModified"), - MetaData = copyobject(xref,copied,root,"MetaData"), Metadata = copyobject(xref,copied,page,"Metadata"), PieceInfo = copyobject(xref,copied,page,"PieceInfo"), Resources = copyresources(pdfdoc,xref,copied,page), @@ -960,12 +962,26 @@ if img then do page[k] = v -- maybe nested end end - local content = "" - local ctype = contents.__type__ + local content = "" + local nolength = nil + local ctype = contents.__type__ -- we always recompress because image object streams can not be -- influenced (yet) if ctype == stream_code then - content = contents() -- uncompressed + if recompress then + content = contents() -- uncompressed + else + local Filter = copyobject(xref,copied,contents,"Filter") + local Length = copyobject(xref,copied,contents,"Length") + if Length and Filter then + nolength = true + xobject.Length = Length + xobject.Filter = Filter + content = contents(false) -- uncompressed + else + content = contents() -- uncompressed + end + end elseif ctype == array_code then content = { } for i=1,#contents do @@ -975,9 +991,10 @@ if img then do end -- still not nice: we double wrap now return newimage { - bbox = pageinfo.boundingbox, - stream = content, - attr = xobject(), + bbox = pageinfo.boundingbox, + nolength = nolength, + stream = content, -- todo: no compress, pass directly also length, filter etc + attr = xobject(), } end end |