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figures.converters["jpg"]["lowres.jpg"] =local functionconverter(oldname,newname,resolution) if not resolution or resolution == "" then resolution = 50 end os.execute(string.format( 'gm convert -density %ix%i "%s" "%s"', resolution,resolution,oldname,newname) )
\externalfigure [t:/sources/hackercow.jpg] [conversion=lowres.jpg,resolution=50,width=10cmtiff]
→Image Conversion
<pre>
\startluacode
end
figures.converters.tif.pdf = converterfigures.converters.tif.default = converter
\stopluacode
\starttext
\stoptext
</pre>
