https://bugs.kde.org/show_bug.cgi?id=444267
Bug ID: 444267
Summary: Merging three layers with each own RGB channel
separately turned on gives different result.
Product: krita
Version: unspecified
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Layer Stack
Assignee: krita-bugs-n...@kde.org
Reporter: healer.ha...@gmail.com
Target Milestone: ---
Created attachment 142789
--> https://bugs.kde.org/attachment.cgi?id=142789&action=edit
result
SUMMARY
For three layers, if you turn only the red on layer 1, green on layer 2
and blue on layer 3, translate it and merge it, the resulting color is
different.
STEPS TO REPRODUCE
1. Pick color black and draw a circle with black filled inside.
2. Create 2 duplicates and only turn on each RGB channel on each
separate layers. (right click layer -> properties).
3. Translate each layer to form what's in the attachment.
4. Click all three layers and merge with layer below.
OBSERVED RESULT
The layers merge into black.
EXPECTED RESULT
Layers merge into what is seen.
SOFTWARE/OS VERSIONS
Windows: 10
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
Krita
Version: 5.0.0-beta2 (git fa4ad10)
Languages: en_US, en
Hidpi: false
Qt
Version (compiled): 5.12.11
Version (loaded): 5.12.11
OS Information
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 10.0.15063
Pretty Productname: Windows 10 (10.0)
Product Type: windows
Product Version: 10
OpenGL Info
Vendor: "Google Inc."
Renderer: "ANGLE (Intel(R) HD Graphics Direct3D11 vs_5_0 ps_5_0)"
Version: "OpenGL ES 3.0 (ANGLE 2.1.0.57ea533f79a7)"
Shading language: "OpenGL ES GLSL ES 3.00 (ANGLE 2.1.0.57ea533f79a7)"
Requested format: QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24,
redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8,
stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer,
swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile
QSurfaceFormat::CompatibilityProfile)
Current format: QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize 8,
greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8,
samples 0, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 0,
colorSpace QSurfaceFormat::DefaultColorSpace, profile
QSurfaceFormat::NoProfile)
Version: 3.0
Supports deprecated functions false
is OpenGL ES: true
supportsBufferMapping: true
supportsBufferInvalidation: false
QPA OpenGL Detection Info
supportsDesktopGL: true
supportsAngleD3D11: true
isQtPreferAngle: true
useBufferInvalidation (config option): false
Hardware Information
GPU Acceleration: auto
Memory: 1946 Mb
Number of Cores: 4
Swap Location: C:/Users/User6/AppData/Local/Temp
Current Settings
Current Swap Location: C:/Users/User6/AppData/Local/Temp
Current Swap Location writable: true
Undo Enabled: true
Undo Stack Limit: 30
Use OpenGL: true
Use OpenGL Texture Buffer: true
Disable Vector Optimizations: false
Disable AVX Optimizations: false
Canvas State: OPENGL_SUCCESS
Autosave Interval: 900
Use Backup Files: true
Number of Backups Kept: 1
Backup File Suffix: ~
Backup Location: Same Folder as the File
Backup Location writable: false
Use Win8 Pointer Input: false
Use RightMiddleTabletButton Workaround: false
Levels of Detail Enabled: false
Use Zip64: false
Display Information
Number of screens: 1
Screen: 0
Name: \\.\DISPLAY1
Depth: 32
Scale: 1
Resolution in pixels: 1280x800
Manufacturer:
Model:
Refresh Rate: 60
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