On Tue, 18 Jul 2023 at 20:24, Sandro Mani <manisan...@gmail.com> wrote:
> Interestingly, I had to comment out info.Filters, or I would get a blank
> image (I suppose because it would be "double" flate decoded, as
> FlateDecode is already default as you wrote?).
>
I discovered a mistake in the intended semantics of PdfImageInfo. I
had to change the Filters member to nullable<PdfFilterList>[1], so
that when nullptr it will encode everything with FlateDecode (before
and empty list would have stored everything uncompressed), and when
set it will treat the input stream as it was encoded with the supplied
filter list. This was the only possible behavior previously, meaning
"info.Filters = {PoDoFo::PdfFilterType::FlateDecode}" would have
assumed the input to be already FlateDecode compressed, which probably
it was not as per your report. This also means that commenting that
line in your code is just the right thing to do, even with last
commit[1] applied.
Regards,
Francesco
[1]
https://github.com/podofo/podofo/commit/45e0dc4f0e2f5958d819b0c8d2400e532b6dc69c
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