diff options
Diffstat (limited to 'tex/context/base/mkiv/back-pdp.lua')
| -rw-r--r-- | tex/context/base/mkiv/back-pdp.lua | 212 |
1 files changed, 19 insertions, 193 deletions
diff --git a/tex/context/base/mkiv/back-pdp.lua b/tex/context/base/mkiv/back-pdp.lua index d7033608c..6360dea47 100644 --- a/tex/context/base/mkiv/back-pdp.lua +++ b/tex/context/base/mkiv/back-pdp.lua @@ -9,7 +9,8 @@ if not modules then modules = { } end modules ['back-pdp'] = { -- This is temporary ... awaiting a better test .. basically we can -- always use this: pdf primitives. -local context = context +local context = context +local lpdf = lpdf local lpdfreserveobject = lpdf.reserveobject local lpdfcompresslevel = lpdf.compresslevel @@ -17,22 +18,17 @@ local lpdfobj = lpdf.obj local lpdfpagereference = lpdf.pagereference local lpdfxformname = lpdf.xformname -local jobpositions = job.positions -local gethpos = jobpositions.gethpos -local getvpos = jobpositions.getvpos - local tokenscanners = tokens.scanners local scanword = tokenscanners.word local scankeyword = tokenscanners.keyword local scanstring = tokenscanners.string local scaninteger = tokenscanners.integer -local scandimension = tokenscanners.dimension +local scanwhd = tokenscanners.whd -local trace = false trackers.register("commands", function(v) trace = v end) -local report = logs.reporter("command") +local trace = false trackers.register("backend", function(v) trace = v end) +local report = logs.reporter("backend") local nodepool = nodes.pool -local newsavepos = nodepool.savepos local newliteral = nodepool.literal local newsave = nodepool.save local newrestore = nodepool.restore @@ -42,183 +38,12 @@ local implement = interfaces.implement local constants = interfaces.constants local variables = interfaces.variables --- helper - -local function scanwhd() - local width, height, depth - while true do - if scankeyword("width") then - width = scandimension() - elseif scankeyword("height") then - height = scandimension() - elseif scankeyword("depth") then - depth = scandimension() - else - break - end - end - if width or height or depth then - return width or 0, height or 0, depth or 0 - else - -- we inherit - end -end - --- positions - -local function savepos() - context(newsavepos()) -end - -local function lastxpos() - context(gethpos()) -end - -local function lastypos() - context(getvpos()) -end - -implement { name = "savepos", actions = savepos } -implement { name = "lastxpos", actions = lastxpos } -implement { name = "lastypos", actions = lastypos } - -- literals local function pdfliteral() context(newliteral(scanword() or "origin",scanstring())) end -implement { name = "pdfliteral", actions = pdfliteral } - --- box resources - -local boxresources = tex.boxresources -local savebox = boxresources.save -local usebox = boxresources.use - -local lastindex = 0 - -local function saveboxresource() - local immediate = true - local kind = scankeyword("type") and scaninteger() or 0 - local attributes = scankeyword("attr") and scanstring() or nil - local resources = scankeyword("resources") and scanstring() or nil - local margin = scankeyword("margin") and scandimension() or 0 -- register - local boxnumber = scaninteger() - -- - lastindex = savebox(boxnumber,attributes,resources,immediate,kind,margin) - if trace then - report("\\saveboxresource: index %i",lastindex) - end -end - -local function lastsavedboxresourceindex() - if trace then - report("\\lastsaveboxresource: index %i",lastindex) - end - context("%i",lastindex) -end - -local function useboxresource() - local width, height, depth = scanwhd() - local index = scaninteger() - local node = usebox(index,width,height,depth) - if trace then - report("\\useboxresource: index %i",index) - end - context(node) -end - -implement { name = "saveboxresource", actions = saveboxresource } -implement { name = "lastsavedboxresourceindex", actions = lastsavedboxresourceindex } -implement { name = "useboxresource", actions = useboxresource } - --- image resources (messy: will move) - -local imageresources = { } -local lastindex = 0 -local lastpages = 1 - -local function saveimageresource() - local width, height, depth = scanwhd() - local page = 1 - local immediate = true - local margin = 0 -- or dimension - local attributes = scankeyword("attr") and scanstring() or nil - if scankeyword("named") then - scanstring() -- ignored - elseif scankeyword("page") then - page = scaninteger() - end - local userpassword = scankeyword("userpassword") and scanstring() or nil - local ownerpassword = scankeyword("ownerpassword") and scanstring() or nil - local visiblefilename = scankeyword("visiblefilename") and scanstring() or nil - local colorspace = scankeyword("colorspace") and scaninteger() or nil - local pagebox = scanword() or nil - local filename = scanstring() --- pcall - context.getfiguredimensions( { filename }, { - [constants.userpassword] = userpassword, - [constants.ownerpassword] = ownerpassword, - [constants.page] = page or 1, - [constants.size] = pagebox, - }) - context.relax() - lastindex = lastindex + 1 - lastpages = 1 - imageresources[lastindex] = { - filename = filename, - page = page or 1, - size = pagebox, - width = width, - height = height, - depth = depth, - attr = attributes, - -- margin = margin, - } -end - -local function lastsavedimageresourceindex() - context("%i",lastindex or 0) -end - -local function lastsavedimageresourcepages() - context("%i",lastpages or 0) -- todo -end - -local function useimageresource() - local width, height, depth = scanwhd() - if scankeyword("keepopen") then - -- ignored - end - local index = scaninteger() - local l = imageresources[index] - if l then - if not (width or height or depth) then - width = l.width - height = l.height - depth = l.depth - end --- pcall - context.externalfigure( { l.filename }, { - [constants.userpassword] = l.userpassword, - [constants.ownerpassword] = l.ownerpassword, - [constants.width] = width and (width .. "sp") or nil, - [constants.height] = height and (height .. "sp") or nil, - [constants.page] = l.page or 1, - [constants.size] = pagebox, - }) - context.relax() - else - print("no image resource",index) - end -end - -implement { name = "saveimageresource", actions = saveimageresource } -implement { name = "lastsavedimageresourceindex", actions = lastsavedimageresourceindex } -implement { name = "lastsavedimageresourcepages", actions = lastsavedimageresourcepages } -implement { name = "useimageresource", actions = useimageresource } - -- objects local lastobjnum = 0 @@ -271,10 +96,6 @@ local function pdfrefobj() end end -implement { name = "pdfobj", actions = pdfobj } -implement { name = "pdflastobj", actions = pdflastobj } -implement { name = "pdfrefobj", actions = pdfrefobj } - -- annotations local lastobjnum = 0 @@ -306,8 +127,6 @@ local function pdfannot() end end -implement { name = "pdfannot", actions = pdfannot } - local function pdfdest() local name = false local zoom = false @@ -345,8 +164,6 @@ local function pdfdest() context(backends.nodeinjections.destination(width or 0,height or 0,depth or 0,{ name or "" },view or "fit")) end -implement { name = "pdfdest", actions = pdfdest } - -- management local function pdfsave() @@ -398,8 +215,6 @@ local function pdfextension() end end -implement { name = "pdfextension", actions = pdfextension } - -- feedbacks: colorstackinit creationdate fontname fontobjnum fontsize lastannot -- lastlink lastobj pageref retval revision version xformname @@ -421,8 +236,6 @@ local function pdffeedback() end end -implement { name = "pdffeedback", actions = pdffeedback } - -- variables: (integers:) compresslevel decimaldigits gamma gentounicode -- ignoreunknownimages imageaddfilename imageapplygamma imagegamma imagehicolor -- imageresolution inclusioncopyfonts inclusionerrorlevel majorversion minorversion @@ -448,4 +261,17 @@ implement { name = "pdffeedback", actions = pdffeedback } -- end -- end ---------- { name = "pdfvariable", actions = pdfvariable } +-- kept: + +implement { name = "pdfextension", actions = pdfextension } +implement { name = "pdffeedback", actions = pdffeedback } +--------- { name = "pdfvariable", actions = pdfvariable } + +-- for the moment (tikz) + +implement { name = "pdfliteral", actions = pdfliteral } +implement { name = "pdfobj", actions = pdfobj } +implement { name = "pdflastobj", actions = pdflastobj } +implement { name = "pdfrefobj", actions = pdfrefobj } +--------- { name = "pdfannot", actions = pdfannot } +--------- { name = "pdfdest", actions = pdfdest } |