Bug 105614 - pdfimages miscalculates image PPI for rotated and scaled images (patch provided)
Summary: pdfimages miscalculates image PPI for rotated and scaled images (patch provided)
Status: RESOLVED MOVED
Alias: None
Product: poppler
Classification: Unclassified
Component: utils (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: poppler-bugs
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-03-20 03:59 UTC by freedesktop.mrbax
Modified: 2018-08-20 21:32 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Attachments
Patch to correct the error (624 bytes, patch)
2018-03-20 03:59 UTC, freedesktop.mrbax
Details | Splinter Review

Description freedesktop.mrbax 2018-03-20 03:59:21 UTC
Created attachment 138211 [details] [review]
Patch to correct the error

pdfimages miscalculates image PPI for rotated and scaled images

Tested on https://github.com/angea/PDF101/blob/master/handcoded/111_current-transformation-matrix-ctm.pdf


UNPATCHED

>pdfimages -list 111_current-transformation-matrix-ctm.pdf
page   num  type   width height color comp bpc  enc interp  object ID x-ppi y-ppi size ratio
--------------------------------------------------------------------------------------------
   1     0 image       2     2  rgb     3   8  image  no         5  0     4     4   13B 108%
   1     1 image       2     2  rgb     3   8  image  no         5  0     5     3   13B 108%
   1     2 image       2     2  rgb     3   8  image  no         5  0     3     5   13B 108%
   1     3 image       2     2  rgb     3   8  image  no         5  0     6     3   13B 108%
   1     4 image       2     2  rgb     3   8  image  no         5  0     3    10   13B 108%
   1     5 image       2     2  rgb     3   8  image  no         5  0     4 72000   13B 108%
   1     6 image       2     2  rgb     3   8  image  no         5  0     4     2   13B 108%
   1     7 image       2     2  rgb     3   8  image  no         5  0     2     4   13B 108%
   1     8 image       2     2  rgb     3   8  image  no         5  0 14401     1   13B 108%
   1     9 image       2     2  rgb     3   8  image  no         5  0     1     2   13B 108%
   1    10 image       2     2  rgb     3   8  image  no         5  0 0.950     4   13B 108%
   1    11 image       2     2  rgb     3   8  image  no         5  0     4 0.950   13B 108%
   1    12 image       2     2  rgb     3   8  image  no         5  0 0.950     4   13B 108%
   1    13 image       2     2  rgb     3   8  image  no         5  0     1     4   13B 108%
   1    14 image       2     2  rgb     3   8  image  no         5  0 0.950     4   13B 108%
   1    15 image       2     2  rgb     3   8  image  no         5  0 0.950     4   13B 108%
   1    16 image       2     2  rgb     3   8  image  no         5  0     4 0.950   13B 108%
                                                                                                                                                                               

PATCHED

>pdfimages -list 111_current-transformation-matrix-ctm.pdf
page   num  type   width height color comp bpc  enc interp  object ID x-ppi y-ppi size ratio
--------------------------------------------------------------------------------------------
   1     0 image       2     2  rgb     3   8  image  no         5  0     4     4   13B 108%
   1     1 image       2     2  rgb     3   8  image  no         5  0     5     3   13B 108%
   1     2 image       2     2  rgb     3   8  image  no         5  0     3     5   13B 108%
   1     3 image       2     2  rgb     3   8  image  no         5  0     4     4   13B 108%
   1     4 image       2     2  rgb     3   8  image  no         5  0     4     4   13B 108%
   1     5 image       2     2  rgb     3   8  image  no         5  0     3     4   13B 108%
   1     6 image       2     2  rgb     3   8  image  no         5  0     3     4   13B 108%
   1     7 image       2     2  rgb     3   8  image  no         5  0     4     3   13B 108%
   1     8 image       2     2  rgb     3   8  image  no         5  0 0.720 0.509   13B 108%
   1     9 image       2     2  rgb     3   8  image  no         5  0 0.720 0.624   13B 108%
   1    10 image       2     2  rgb     3   8  image  no         5  0 0.450     4   13B 108%
   1    11 image       2     2  rgb     3   8  image  no         5  0     4 0.450   13B 108%
   1    12 image       2     2  rgb     3   8  image  no         5  0 0.450     4   13B 108%
   1    13 image       2     2  rgb     3   8  image  no         5  0 0.600     4   13B 108%
   1    14 image       2     2  rgb     3   8  image  no         5  0 0.450     4   13B 108%
   1    15 image       2     2  rgb     3   8  image  no         5  0 0.450     4   13B 108%
   1    16 image       2     2  rgb     3   8  image  no         5  0     4 0.450   13B 108%
Comment 1 GitLab Migration User 2018-08-20 21:32:54 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/poppler/poppler/issues/3.


Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.