LibGfx/JPEGXL: Fix property 8

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The first implementation of this property was just plain wrong. Looks
like this property isn't used a lot as I found the issue by reviewing
the code and not because of a specific image.

The test image is a 32x32 mosaic of alternating black and yellow pixels,
it was generated using this code:

Bitdepth 8
RCT 1
Width 32
Height 32

if W-WW-NW+NWW > -300
 - Set -1000
 - Set 900

...

This commit is contained in:

Lucas CHOLLET 2023-07-31 16:56:12 -04:00 • committed by Andreas Kling

parent 6b41fef2e4

commit 00240cb0b3

3 changed files with 29 additions and 6 deletions

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