https://bugs.kde.org/show_bug.cgi?id=411767
Bug ID: 411767
Summary: Filter Layers - Levels: Histogram does not show input
but output values
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Mint (Ubuntu based)
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Filter Layers
Assignee: krita-bugs-n...@kde.org
Reporter: stronghear...@hotmail.com
Target Milestone: ---
Created attachment 122567
--> https://bugs.kde.org/attachment.cgi?id=122567&action=edit
Simple Krita document with filter layer (Levels)
SUMMARY
When editing the properties of an existing filter layer (levels), the histogram
in the filter layer properties dialog does not correctly show the input values
but rather the output values after being processed with the current parameters.
STEPS TO REPRODUCE
1. Open attached document:"FilterLayerTest.kra"
2. Open the properties dialog for the filter layer "Layer 1 (Levels)" and check
the displayed histogram.
3. In the properties dialog: change the maximum input level from 255 to a lower
level, e.g. 126, close the dialog by clicking "OK", open the dialog again and
check the displayed histogram.
OBSERVED RESULT
The histogram in the properties dialog shows different values at step 3 than at
step 2.
EXPECTED RESULT
The histogram in the properties dialog shall always show the input values (=
the values before the filter has been applied).
SOFTWARE/OS VERSIONS
Krita
Version: 4.3.0-prealpha (git ca902a4)
Languages: en_CA
Hidpi: false
Qt
Version (compiled): 5.12.4
Version (loaded): 5.12.4
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 4.15.0-60-generic
Pretty Productname: Linux Mint 18.3
Product Type: linuxmint
Product Version: 18.3
ADDITIONAL INFORMATION
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