Public bug reported:
Binary package hint: krita
Steps to reproduce:
(1) Install krita and pngcheck:
||/ Name Version
Description
+++-=================================================-=================================================-==================================================================================================================
ii dcraw 8.80-1
decode raw digital camera images
ii koffice-data 1:1.6.3-6ubuntu3
common shared data for the KDE Office Suite
ii koffice-libs 1:1.6.3-6ubuntu3
common libraries and binaries for the KDE Office Suite
ii krita 1:1.6.3-6ubuntu3
a pixel-based image manipulation program for the KDE
Office Suite
ii krita-data 1:1.6.3-6ubuntu3
data files for Krita painting program
ii latex-xft-fonts 0.1-8
Xft-compatible versions of some LaTeX fonts
ii libruby1.8 1.8.7.72-1ubuntu0.1
Libraries necessary to run Ruby 1.8
ii pngcheck 2.0.0-1.1
PNG file format checker
ii ruby 4.2
An interpreter of object-oriented scripting language
Ruby
ii ruby1.8 1.8.7.72-1ubuntu0.1
Interpreter of object-oriented scripting language Ruby
1.8
(2) Open Krita.
(3) Select Grayscale -> "White Background, 640x480".
(4) Click "Use this template".
(5) Save unmodified (or modified - but triggering this behaviour doesn't depend
on modifying the image) the newly created image to a PNG file. I tried both the
"Fast" and "Small" ends of the compression level setting and both produce PNGs
ill-formed according to png-check.
(6) Run pngcheck -v on the resulting image (this output is from the 'fast'
image, not the one attached to this bug):
File: test.png (2396 bytes)
chunk IHDR at offset 0x0000c, length 13
640 x 480 image, 8-bit grayscale, non-interlaced
chunk sRGB at offset 0x00025, length 1
rendering intent = absolute colorimetric
chunk iCCP at offset 0x00032, length 216: not allowed with sRGB
Expected results: a correct PNG file. What happened instead: an
apparently (although it's possible pngcheck is wrong, it gives a
detailed reason for its diagnosis) incorrect PNG file.
** Affects: koffice (Ubuntu)
Importance: Undecided
Status: New
--
Krita writes incorrect PNG files
https://bugs.launchpad.net/bugs/309352
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