On 11/11/2025 4:50 PM, Ulrike Fischer wrote:
If I compile this example with luatex
\immediate\pdfextension obj {<</before/before>>}
\immediate\pdfextension obj uncompressed {<</meta/meta>>}
\immediate\pdfextension obj {<</after/after>>}
aaa
\bye
then the PDF contains various uncompressed objects that are not
present if I do not use the uncompressed object, e.g. the object
written after it, but also various font objects and the catalog etc:
I suppose that you mean object compression as objects themselves don't
get compressed, only streamdata is (which in the case of objcompression
contains objects).
So I had to adapt the test to:
\pdfminorversion 7
\pdfobjcompresslevel 3
\pdfcompresslevel 3
\immediate\pdfextension obj {<</crap1/crap1>>}
\immediate\pdfextension obj uncompressed {<</crap2/crap2>>}
\immediate\pdfextension obj {<</crap3/crap3>>}
\immediate\pdfextension obj stream attr {/crap1/crap1}
{crap stream data 1}
\immediate\pdfextension obj uncompressed stream attr {/crap2/crap2}
{crap stream data 2}
\immediate\pdfextension obj stream attr {/crap3/crap3}
{crap stream data 3}
done
\end
3 0 obj
<</meta/meta>>
endobj
4 0 obj
<</after/after>>
How can one stop that? Or alternatively how can one write one
uncompressed object without affecting the compression of the other
objects?
I have a fix that I'll to Luigi later this week(end).
Hans
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Hans Hagen | PRAGMA ADE
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