https://bugs.kde.org/show_bug.cgi?id=418406
Bug ID: 418406
Summary: A Rotation Transform around the 'x' or 'y' axis (not
'z' axis) caused loss of off-canvas content
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Tools/Transform
Assignee: krita-bugs-n...@kde.org
Reporter: ahab.greybe...@hotmail.co.uk
Target Milestone: ---
Created attachment 126550
--> https://bugs.kde.org/attachment.cgi?id=126550&action=edit
off canvas content due to 'y' axis rotation
SUMMARY
If the Transform tool is used in Rotation mode so that 'x' or 'y' axis
rotations can be done and these operations result in off-canvas content, that
off-canvas content is lost/discarded.
If a 'z' axis rotation is done, any resulting off-canvas content is preserved.
This has been observed in the Feb 21st 4.3.0-prealpha (git 2b45b5d).
[This is the latest one I've been able to get due to ongoing problems with
appimage downloads.]
STEPS TO REPRODUCE
1. Create content and do a 'y' axis rotation to give off-canvas content such as
shown in "y-axis-rot-go-off-canvas.png"
2. Apply the transform and use the Move tool to try to bring the off-canvas
content back on-canvas.
3. Note that the off-canvas content has been discarded as shown in
"y-axis-rot-lost-off-canvas-content.pmg"
4. Repeat with a 'x' axis rotation and note a similar loss of resultign
off-canvas content.
5. Repeat with 'z' axis rotation and note that resulting off-canvas content is
preserved.
OBSERVED RESULT
See Steps to reproduce
EXPECTED RESULT
Off-canvas content should be preserved.
SOFTWARE/OS VERSIONS
Krita
Version: 4.3.0-prealpha (git 2b45b5d)
Languages: en_GB, en, en, en_GB, en
Hidpi: true
Qt
Version (compiled): 5.12.5
Version (loaded): 5.12.5
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 4.19.0-8-amd64
Pretty Productname: Debian GNU/Linux 10 (buster)
Product Type: debian
Product Version: 10
OpenGL Info
Vendor: "NVIDIA Corporation"
Renderer: "GeForce GTX 750 Ti/PCIe/SSE2"
Version: "4.6.0 NVIDIA 418.74"
Shading language: "4.60 NVIDIA"
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 4.6, 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)
Version: 4.6
Supports deprecated functions true
is OpenGL ES: false
QPA OpenGL Detection Info
supportsDesktopGL: true
supportsOpenGLES: true
isQtPreferOpenGLES: false
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