Hi, Quoting Jonas Smedegaard (2020-06-09 14:20:34) > Quoting Johannes 'josch' Schauer (2020-05-31 11:48:01) > > using /usr/share/ghostscript/9.27/lib/PDFA_def.ps I can convert a PDF > > into PDF/A-1b like so: > > > > $ env --chdir=/usr/share/color/icc/ghostscript/ gs -dBATCH -dNOPAUSE \ > > > -dSAFEGR -dPDFA=1 -sProcessColorModel=DeviceRGB > > -dPDFACompatibilityPolicy=1 > > > -sDEVICE=pdfwrite -sOutputFile=/tmp/out.pdf \ > > > /usr/share/ghostscript/9.27/lib/PDFA_def.ps \ > > > in.pdf > > > > Using "env --chdir" as well as using an absolute path for OutputFile is > > necessary because PDFA_def.ps references srgb.icc with a relative path > > in /usr/share/color/icc/ghostscript/ -- this means that unless the > > command is executed in /usr/share/color/icc/ghostscript/, PDFA_def.ps is > > useless and must be edited to contain the right absolute path to > > srgb.icc. > > > > I propose to either: > > > > - move PDFA_def.ps to /usr/share/doc/*/examples because it's a file > > that cannot be used immediately but has to be edited first > > > > - patch PDFA_def.ps to include the full path to > > /usr/share/color/icc/ghostscript/srgb.icc so that it can be used from > > any directory > > Good catch! > > Indeed libgs9 ships with a few files arguably usable only as examples: > > /usr/share/ghostscript/9.27/lib/PDFA_def.ps > /usr/share/ghostscript/9.27/lib/PDFX_def.ps > > The files document both inline and in VectorDevices.htm that they should > be edited before use. > > I am hesitant to moving or patching those files, though, because (as you > demonstrate above) it _is_ possible with some path juggling to use those > files as-is, and both upstream and consuming code might rely on the > files. Even if never used for anything as examples, I see no harm in > leaving the files where they are just to be on the safe side. > > More sensible to me would be to symlink the files to > .../doc/libgs9/examples to advertise them as usable as such. > > How do you think about my alternative approach?
that sounds good, thanks! cheers, josch
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