[Poppler-bugs] [Bug 68360] Add option to manually disable bilinear filtering

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Aug 29 04:56:56 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=68360

--- Comment #25 from Adrian Johnson <ajohnson at redneon.com> ---
Created attachment 84829
  --> https://bugs.freedesktop.org/attachment.cgi?id=84829&action=edit
pdf with exactly 400ppi image

The image is not exactly 400ppi.

$ pdfimages -list page.pdf 
page   num  type   width height color comp bpc  enc interp  object ID x-ppi
y-ppi size ratio
--------------------------------------------------------------------------------------------
   1     0 image    2284  3471  gray    1   1  jbig2  no        13  0   401  
400 3365B 0.3%


In fact looking at the image matrix it has a 0.0475 degree rotation.

411.1199951 0.3412323 -0.5185699 624.7799988 3.6575623 -0.1516113 cm

I've attached modified version of the file with the rotation removed and the
image resolution exactly 400ppi.

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