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[Octave-bug-tracker] [bug #47746] imwrite writes incorrect TIFF pixel va


From: Mike Miller
Subject: [Octave-bug-tracker] [bug #47746] imwrite writes incorrect TIFF pixel values from uint8 array on i686-linux-gnu
Date: Tue, 10 May 2016 19:16:22 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0

Follow-up Comment #7, bug #47746 (project octave):

Ok, building with -O0, writing an 8-bit RGB image with alpha channel produces
the wrong color values in the file, but in the debugger all of the pixel color
values look correct.

I wrote a simple standalone program to try to call GraphicsMagick in the same
way as Octave, and it produces a correct image file. So I can't tell what's
different now between that and what Octave is doing to create the file.

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