Bug 218993 - Monochrome TIFF images not displayed when no BitsPerSample tag present (qt 4.6)
Summary: Monochrome TIFF images not displayed when no BitsPerSample tag present (qt 4.6)
Status: RESOLVED UPSTREAM
Alias: None
Product: kdelibs
Classification: Unmaintained
Component: qt (show other bugs)
Version: unspecified
Platform: unspecified Linux
: NOR normal
Target Milestone: ---
Assignee: kdelibs bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2009-12-16 22:46 UTC by Doug Semler
Modified: 2009-12-16 23:23 UTC (History)
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Description Doug Semler 2009-12-16 22:46:55 UTC 
Version:            (using KDE 4.3.4)
OS:                Linux
Installed from:    Unlisted Binary Package

When attempting to load a monochrome TIFF image (dolphin preview, kolourpaint, or any other KDE-base application), a message stating "Unable to load, invalid image format" (or no preview, or similar message) is displayed if the image file is missing the BitsPerSample TIFF tag.  This tag is optional in monochrome images, with a default value of '1'.  Adding the tag with the correct value causes the images to be displayed/load properly.

Downgrading from qt 4.6 to qt 4.5.3 solves the issue.
Comment 1 Doug Semler 2009-12-16 22:48:25 UTC 
(NOTE: this is *NOT* an okular bug, okular works, the assignee will need to be changed.)
Comment 2 Pino Toscano 2009-12-16 22:59:07 UTC 
Please report Qt bugs to http://bugreports.qt.nokia.com
Comment 3 Doug Semler 2009-12-16 23:23:19 UTC 
Done.

QTBUG-6870