https://bugs.kde.org/show_bug.cgi?id=424697
Bug ID: 424697
Summary: Snapshots: crash when switching to snapshot with
assistant, when there are no assistants currently
Product: krita
Version: 4.3.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Tool/Assistants
Assignee: krita-bugs-n...@kde.org
Reporter: nmaghfurus...@gmail.com
Target Milestone: ---
SUMMARY
When there are no assistants present on the document, Krita will crash when the
user attempts to switch to a previous snapshot of the document that has
assistants.
Besides this hiccup, snapshots do otherwise work correctly with assistants, so
as a workaround, the user needs to have at least one assistant present on the
canvas before attempting to revert to a snapshot that has assistants to achieve
the expected result.
STEPS TO REPRODUCE
1. Create new document
2. Add Vanishing Point assistant
3. Create new snapshot in Snapshot Docker
4. Delete Vanishing Point assistant
5. Switch to snapshot in Snapshot Docker
OBSERVED RESULT
Krita crashes
EXPECTED RESULT
Revert document state to snapshot with Vanishing Point present on the canvas
Krita
Version: 4.3.0
Qt
Version (compiled): 5.12.8
Version (loaded): 5.12.8
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 5.6.0-2-amd64
Pretty Productname: Debian GNU/Linux bullseye/sid
Product Type: debian
Product Version: unknown
OpenGL Info
Vendor: "Intel Open Source Technology Center"
Renderer: "Mesa DRI Intel(R) HD Graphics 4600 (HSW GT2)"
Version: "3.0 Mesa 20.1.1"
Shading language: "1.30"
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>(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::NoProfile)
Version: 3.0
Supports deprecated functions true
is OpenGL ES: false
QPA OpenGL Detection Info
supportsDesktopGL: true
supportsOpenGLES: true
isQtPreferOpenGLES: false
Hardware Information
Memory: 7 Gb
Cores: 8
Swap: /tmp
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