diff options
Diffstat (limited to 'tex/context/base/mkiv/lpdf-nod.lua')
| -rw-r--r-- | tex/context/base/mkiv/lpdf-nod.lua | 115 |
1 files changed, 59 insertions, 56 deletions
diff --git a/tex/context/base/mkiv/lpdf-nod.lua b/tex/context/base/mkiv/lpdf-nod.lua index 29c3765be..289567c5d 100644 --- a/tex/context/base/mkiv/lpdf-nod.lua +++ b/tex/context/base/mkiv/lpdf-nod.lua @@ -12,12 +12,9 @@ local formatters = string.formatters local nodecodes = nodes.nodecodes local whatsit_code = nodecodes.whatsit - local whatsitcodes = nodes.whatsitcodes -local pdfliteralcode = whatsitcodes.pdfliteral -local pdfsavecode = whatsitcodes.pdfsave -local pdfrestorecode = whatsitcodes.pdfrestore -local pdfsetmatrixcode = whatsitcodes.pdfsetmatrix +local latelua_code = whatsitcodes.latelua +local literal_code = whatsitcodes.literal local nodeinjections = backends.nodeinjections @@ -39,26 +36,66 @@ local pageliteral = literalvalues.page local directliteral = literalvalues.direct local rawliteral = literalvalues.raw -local pdforiginliteral = register(new_node(whatsit_code, pdfliteralcode)) setfield(pdforiginliteral,"mode",originliteral) -local pdfpageliteral = register(new_node(whatsit_code, pdfliteralcode)) setfield(pdfpageliteral, "mode",pageliteral) -local pdfdirectliteral = register(new_node(whatsit_code, pdfliteralcode)) setfield(pdfdirectliteral,"mode",directliteral) -local pdfrawliteral = register(new_node(whatsit_code, pdfliteralcode)) setfield(pdfrawliteral, "mode",rawliteral) +local literalcode = whatsitcodes.literal +local savecode = whatsitcodes.save +local restorecode = whatsitcodes.restore +local setmatrixcode = whatsitcodes.setmatrix -local pdfsave = register(new_node(whatsit_code, pdfsavecode)) -local pdfrestore = register(new_node(whatsit_code, pdfrestorecode)) -local pdfsetmatrix = register(new_node(whatsit_code, pdfsetmatrixcode)) +local s_matrix_0 = "1 0 0 1" +local f_matrix_2 = formatters["%.6F 0 0 %.6F"] +local f_matrix_4 = formatters["%.6F %.6F %.6F %.6F"] -local variables = interfaces.variables +directives.register("pdf.stripzeros",function() + f_matrix_2 = formatters["%.6N 0 0 %.6N"] + f_matrix_4 = formatters["%.6N %.6N %.6N %.6N"] +end) + +local function tomatrix(rx,sx,sy,ry,tx,ty) -- todo: tx ty + if type(rx) == "string" then + return rx + else + if not rx then + rx = 1 + elseif rx == 0 then + rx = 0.0001 + end + if not ry then + ry = 1 + elseif ry == 0 then + ry = 0.0001 + end + if not sx then + sx = 0 + end + if not sy then + sy = 0 + end + if sx == 0 and sy == 0 then + if rx == 1 and ry == 1 then + return s_matrix_0 + else + return f_matrix_2(rx,ry) + end + else + return f_matrix_4(rx,sx,sy,ry) + end + end +end + +local pdforiginliteral = register(new_node(whatsit_code, literalcode)) setfield(pdforiginliteral,"mode",originliteral) +local pdfpageliteral = register(new_node(whatsit_code, literalcode)) setfield(pdfpageliteral, "mode",pageliteral) +local pdfdirectliteral = register(new_node(whatsit_code, literalcode)) setfield(pdfdirectliteral,"mode",directliteral) +local pdfrawliteral = register(new_node(whatsit_code, literalcode)) setfield(pdfrawliteral, "mode",rawliteral) + +local pdfsave = register(new_node(whatsit_code, savecode)) +local pdfrestore = register(new_node(whatsit_code, restorecode)) +local pdfsetmatrix = register(new_node(whatsit_code, setmatrixcode)) function nodepool.pdforiginliteral(str) local t = copy_node(pdforiginliteral) setdata(t,str) return t end function nodepool.pdfpageliteral (str) local t = copy_node(pdfpageliteral ) setdata(t,str) return t end function nodepool.pdfdirectliteral(str) local t = copy_node(pdfdirectliteral) setdata(t,str) return t end function nodepool.pdfrawliteral (str) local t = copy_node(pdfrawliteral ) setdata(t,str) return t end --- best is to use a specific one: origin | page | direct | raw - --- nodepool.pdfliteral = nodepool.pdfpageliteral -- or is origin the default ? - local pdfliterals = { -- by number [originliteral] = pdforiginliteral, @@ -92,49 +129,15 @@ function nodepool.pdfrestore() return copy_node(pdfrestore) end -local s_matrix_0 = "1 0 0 1" -local f_matrix_2 = formatters["%.6F 0 0 %.6F"] -local f_matrix_4 = formatters["%.6F %.6F %.6F %.6F"] - -directives.register("pdf.stripzeros",function() - f_matrix_2 = formatters["%.6N 0 0 %.6N"] - f_matrix_4 = formatters["%.6N %.6N %.6N %.6N"] -end) - -function nodepool.pdfsetmatrix(rx,sx,sy,ry,tx,ty) -- todo: tx ty +function nodepool.pdfsetmatrix(rx,sx,sy,ry,tx,ty) local t = copy_node(pdfsetmatrix) - if type(rx) == "string" then - setdata(t,rx) - else - if not rx then - rx = 1 - elseif rx == 0 then - rx = 0.0001 - end - if not ry then - ry = 1 - elseif ry == 0 then - ry = 0.0001 - end - if not sx then - sx = 0 - end - if not sy then - sy = 0 - end - if sx == 0 and sy == 0 then - if rx == 1 and ry == 1 then - setdata(t,s_matrix_0) - else - setdata(t,f_matrix_2(rx,ry)) - end - else - setdata(t,f_matrix_4(rx,sx,sy,ry)) - end - end + setdata(t,tomatrix(rx,sx,sy,ry,tx,ty)) return t end + +-- best is to use a specific one: origin | page | direct | raw + nodeinjections.save = nodepool.pdfsave nodeinjections.restore = nodepool.pdfrestore nodeinjections.transform = nodepool.pdfsetmatrix |