diff options
Diffstat (limited to 'tex/context/base/back-pdf.mkiv')
| -rw-r--r-- | tex/context/base/back-pdf.mkiv | 123 |
1 files changed, 74 insertions, 49 deletions
diff --git a/tex/context/base/back-pdf.mkiv b/tex/context/base/back-pdf.mkiv index 3fbad1350..c91d2251d 100644 --- a/tex/context/base/back-pdf.mkiv +++ b/tex/context/base/back-pdf.mkiv @@ -41,17 +41,31 @@ %D %D Here we initialize some internal quantities. We also protect them. -\pdfoutput 1 \let\pdfoutput \undefined \newcount\pdfoutput \pdfoutput 1 -\pdfhorigin 1 true in \let\pdfhorigin\undefined \newdimen\pdfhorigin \pdfhorigin 1 true in -\pdfvorigin 1 true in \let\pdfvorigin\undefined \newdimen\pdfvorigin \pdfvorigin 1 true in +\pdfoutput \plusone \let\pdfoutput \undefined \newcount\pdfoutput \pdfoutput \plusone -% most of these will be protected as well +%D These are already set: +\pdfhorigin 1 true in \let\pdfhorigin\undefined \newdimen\pdfhorigin \pdfhorigin 1 true in +\pdfvorigin \pdfhorigin \let\pdfvorigin\undefined \newdimen\pdfvorigin \pdfvorigin \pdfhorigin + +%D These too and most of them will be protected as well: + +\pdfminorversion \plussix +\pdfgentounicode \plusone \let\pdfgentounicode \undefined \newcount\pdfgentounicode +\pdfinclusioncopyfonts \plusone \let\pdfinclusioncopyfonts \undefined \newcount\pdfinclusioncopyfonts +\pdfinclusionerrorlevel \zerocount \let\pdfinclusionerrorlevel\undefined \newcount\pdfinclusionerrorlevel +\pdfdecimaldigits \plusten \let\pdfdecimaldigits \undefined \newcount\pdfdecimaldigits \pdfimageresolution 300 \pdfpkresolution 600 -\pdfdecimaldigits 10 -\pdfinclusionerrorlevel 0 -\pdfminorversion 6 % use setupbackend for changes + +%D Let's block these (we could share a dummy: + +\let\pdfcatalog \relax \newtoks\pdfcatalog +\let\pdfinfo \relax \newtoks\pdfinfo +\let\pdfnames \relax \newtoks\pdfnames +\let\pdfpageresources\relax \newtoks\pdfpageresources +\let\pdfpageattr \relax \newtoks\pdfpageattr +\let\pdfpagesattr \relax \newtoks\pdfpagesattr %D This one can be consulted by users although the suffix is also %D a system mode. @@ -102,16 +116,8 @@ \unexpanded\def\pdfbackendsetshade #1#2{\ctxlua{lpdf.adddocumentshade ("#1",lpdf.verbose(\!!bs#2\!!es))}} \def\pdfbackendcurrentresources {\cldcontext{lpdf.collectedresources()}} - \def\pdfcolor #1{\ctxlua{lpdf.pdfcolor(\thecolorattribute{#1})}} \let\PDFcolor\pdfcolor - -%D Let's block these: - -\let\pdfcatalog \relax \newtoks\pdfcatalog -\let\pdfinfo \relax \newtoks\pdfinfo -\let\pdfnames \relax \newtoks\pdfnames -\let\pdfpageresources\relax \newtoks\pdfpageresources -\let\pdfpageattr \relax \newtoks\pdfpageattr -\let\pdfpagesattr \relax \newtoks\pdfpagesattr + \def\pdfcolor #1{\cldcontext{lpdf.pdfcolor(\thecolorattribute{#1})}} + \let\PDFcolor\pdfcolor %D An example of usage is: @@ -120,38 +126,35 @@ \pdfbackendsetinfo{ConTeXt.Time} {\number\normalyear.\twodigits\normalmonth.\twodigits\normalday\space \twodigits\currenthour:\twodigits\currentminute}% \pdfbackendsetinfo{ConTeXt.Jobname}{\jobname}% \pdfbackendsetinfo{ConTeXt.Url} {www.pragma-ade.com}% + \pdfbackendsetinfo{ConTeXt.Support}{contextgarden.net}% \to \everylastbackendshipout %D Transformations. Some day we will use primitives (once they're fixed). + % todo: inject at the lua end cq. deal with #5 and #6 too % % % rotation % % % \unexpanded\def\dostartrotation#1% grouped - {\advance\backendtransformlevel\plusone - \forcecolorhack + {\forcecolorhack \pdfsave \pdfsetmatrix{\ctxcommand{pdfrotation(#1)}}} \unexpanded\def\dostoprotation {\pdfrestore - \forcecolorhack - \advance\backendtransformlevel\minusone} + \forcecolorhack} % \unexpanded\def\dostartrotation#1% grouped % {\forcecolorhack -% \advance\backendtransformlevel\plusone % \ctxcommand{pdfstartrotation(#1)}} % \unexpanded\def\dostoprotation -% {\ctxcommand{pdfstoprotation()}% -% \advance\backendtransformlevel\minusone} +% {\ctxcommand{pdfstoprotation()}} % % % scaling % % % \unexpanded\def\dostartscaling#1#2% the test is needed because acrobat is bugged! - {\advance\backendtransformlevel\plusone - \forcecolorhack % maybe use signal instead + {\forcecolorhack % maybe use signal instead \pdfsave \pdfsetmatrix {\ifdim#1\points=\zeropoint.0001\else#1\fi\space 0 0 @@ -159,60 +162,49 @@ \unexpanded\def\dostopscaling {\pdfrestore - \forcecolorhack - \advance\backendtransformlevel\minusone} + \forcecolorhack} % \unexpanded\def\dostartscaling#1#2% the test is needed because acrobat is bugged! % {\forcecolorhack -% \advance\backendtransformlevel\plusone % \ctxcommand{pdfstartscaling(#1,#2)}} % \unexpanded\def\dostopscaling -% {\ctxcommand{pdfstopscaling()}% -% \advance\backendtransformlevel\minusone} +% {\ctxcommand{pdfstopscaling()}} % % % mirroring % % % \unexpanded\def\dostartmirroring - {\advance\backendtransformlevel\plusone - \forcecolorhack + {\forcecolorhack \pdfsave \pdfsetmatrix{-1 0 0 1}} % 0 0 \unexpanded\def\dostopmirroring {\pdfrestore - \forcecolorhack - \advance\backendtransformlevel\minusone} + \forcecolorhack} % \unexpanded\def\dostartmirroring -% {\advance\backendtransformlevel\plusone -% \ctxcommand{pdfstartmirroring()}} +% {\ctxcommand{pdfstartmirroring()}} % \unexpanded\def\dostopmirroring -% {\ctxcommand{pdfstopmirroring()}% -% \advance\backendtransformlevel\minusone} +% {\ctxcommand{pdfstopmirroring()}} % % % transform % % % \unexpanded\def\dotransformnextbox#1#2#3#4#5#6% sx rx ry sy tx ty (will change) / basepoints ! - {\advance\backendtransformlevel\plusone - % fixing ht/dp/wd should happen elsewhere - \dowithnextbox{\dodotransformnextbox{#5}{#6}{#1 #2 #3 #4}}} + {\dowithnextbox{\dodotransformnextbox{#5}{#6}{#1 #2 #3 #4}}} \unexpanded\def\dodotransformnextbox#1#2#3% - {%\forcecolorhack - \hbox + {\hbox {\kern#1\onebasepoint \raise#2\onebasepoint\hbox {\pdfsave \pdfsetmatrix{#3}% 0 0 (no #5 #6 yet) \box\nextbox \pdfrestore - \advance\backendtransformlevel\minusone}}} + }}} % \unexpanded\def\dotransformnextbox#1#2#3#4#5#6% sx rx ry sy tx ty (will change) / basepoints ! -% {\advance\backendtransformlevel\plusone -% % fixing ht/dp/wd should happen elsewhere +% {% fixing ht/dp/wd should happen elsewhere % \dowithnextbox{\dodotransformnextbox{#1}{#2}{#3}{#4}{#5}{#6}}} % \unexpanded\def\dodotransformnextbox#1#2#3#4#5#6% @@ -222,8 +214,41 @@ % \hbox % {\ctxcommand{pdfstartmatrix(#1,#2,#3,#4)}% % \box\nextbox -% \ctxcommand{pdfstopmatrix()}% -% \advance\backendtransformlevel\minusone}}} +% \ctxcommand{pdfstopmatrix()}}}} + +% somehow the shift is not happening .. bug in luatex? +% +% \unexpanded\def\dodotransformnextbox#1#2#3#4#5#6% +% {\ctxcommand{pdftransformbox(\number\nextbox,#1,#2,#3,#4,\number\dimexpr#5\onebasepoint,\number\dimexpr#6\onebasepoint)}% +% \box\nextbox} +% +% \startluacode +% function commands.pdftransformbox(box,sx,rx,ry,sy,tx,ty) +% if sx == 1 and rx == 0 and ry == 0 and sy == 1 then +% if tx == 0 and ty == 0 then +% local b = nodes.hpack(nodes.concat { +% nodes.pool.kern(tx), +% nodes.takebox(box), +% }) +% b.shift = -ty +% tex.setbox(box,b) +% else +% -- no need to transform +% end +% else +% local b = nodes.hpack(nodes.concat { +% nodes.pool.kern(tx), +% nodes.pool.pdfsave(), +% nodes.pool.pdfsetmatrix(sx,rx,ry,sy), +% nodes.takebox(box), +% nodes.pool.pdfsetmatrix(-sx,-rx,-ry,-sy), +% nodes.pool.pdfrestore(), +% }) +% b.shift = -ty +% tex.setbox(box,b) +% end +% end +% \stopluacode % % % clipping % % % |