Review Request 116567: Implement fuzzy image matching in readtest

[Commit Hook]

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This review has been submitted with commit 895305050c6af3e98bbb568c093a34a2a1e486d5 by Alex Merry to branch master.

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On March 3, 2014, 3:23 p.m., Alex Merry wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/116567/
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> (Updated March 3, 2014, 3:23 p.m.)
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> 
> Review request for KDE Frameworks.
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> Repository: kimageformats
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> Description
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> Implement fuzzy image matching in readtest
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> Images are converted to ARGB32 format, then each byte (ie: each pixel
> channel) in the read image is allowed to deviate by some specified
> amount from the corresponding byte in the expected image, to allow for
> rounding errors etc.
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> By default, no deviation is permitted, but the XCF tests are allowed a
> deviation of 1, as the alpha blending can result in rounding errors
> (depending on whether hardware acceleration is used, for example).  In
> the end, we are not too concerned about a small deviation that is
> invisible to the human eye.
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> Extract QImage::Format parsing into its own header
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> Use the array-of-strings suggested by David Faure so that only one list
> has to be maintained instead of three.
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> 
> Diffs
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>   autotests/CMakeLists.txt 5c6508490344ca29097a3f13d01571658ad34786 
>   autotests/readtest.cpp dec9686e38389b04296fdf176db9fb8c1f3a56a4 
>   tests/format-enum.h PRE-CREATION 
>   tests/imagedump.cpp 4b38c07d151d9bcb895f49a76e2bd03ddee41487 
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> Diff: https://git.reviewboard.kde.org/r/116567/diff/
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> Testing
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> imagedump still works.  Most tests still pass; note that the non-alpha pic tests fail without https://git.reviewboard.kde.org/r/116568/diff/ as the wrong format (ARGB32 instead of RGB32) is constructed.
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> This should make the xcf tests pass again on Jenkins.
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> 
> Thanks,
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> Alex Merry
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>

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