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Unable to set Exif.Image.XResolution for Tiff Files

Added by Robin Mills about 3 years ago. Updated almost 3 years ago.

Status:
Assigned
Priority:
Normal
Assignee:
Robin Mills
Category:
tiff parser
Target version:
0.28
Start date:
05 Oct 2018
Due date:
% Done:

10%

Estimated time:
3.00 h

Description

See https://github.com/Exiv2/exiv2/issues/463

This works for JPG:

552 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ curl -O --silent http://clanmills.com/Stonehenge.jpg
553 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ exiv2 -pa --grep XResolution Stonehenge.jpg 
Exif.Image.XResolution                       Rational    1  300
Exif.Thumbnail.XResolution                   Rational    1  300
554 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ exiv2 -M'set Exif.Image.XResolution Long 500' Stonehenge.jpg 
555 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ exiv2 -pa --grep XResolution Stonehenge.jpg 
Exif.Image.XResolution                       Long        1  500
Exif.Thumbnail.XResolution                   Rational    1  300
556 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $

Not working for tiff: 

556 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ cp test/data/Reagan.tiff .
557 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ exiv2 -pa --grep XResolution Reagan.tiff 
Exif.Image.XResolution                       Rational    1  300
558 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ exiv2 -M'set Exif.Image.XResolution Long 500' Reagan.tiff 
559 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $ exiv2 -pa --grep XResolution Reagan.tiff 
Exif.Image.XResolution                       Rational    1  300
560 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2 $

Comment off Exif.Image.XResolution in src/tiffimage_int.cpp #1831

579 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2/build $ cp ../test/data/Reagan.tiff .
580 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2/build $ bin/exiv2 -pa --grep XResolution Reagan.tiff 
Exif.Image.XResolution                       Rational    1  300
581 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2/build $ bin/exiv2 -M'set Exif.Image.XResolution Long 500' Reagan.tiff 
582 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2/build $ bin/exiv2 -pa --grep XResolution Reagan.tiff 
Exif.Image.XResolution                       Long        1  500
583 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2/build $ del ../Reagan.tiff 
584 rmills@rmillsmbp:~/gnu/github/exiv2/exiv2/build $

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