https://bugs.kde.org/show_bug.cgi?id=483876
Bug ID: 483876
Summary: Spectacle takes blurry screenshots depending on the
window position on Wayland with 1.5 fractional scale
Classification: Plasma
Product: kwin
Version: 6.0.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: zvova7...@gmail.com
Target Milestone: ---
SUMMARY:
I was trying to figure out why Spectacle is getting blurred screenshots and
discovered an interesting problem, and now Spectacle is not guilty. Apparently,
KWin has some rounding-related issues when it creates an image from the surface
(window). It seems that when the window position can't be divided by the scale
factor into an integer value, KWin returns a little bit blurred screenshot,
which Spectacle saves as it comes. Maybe it also depends on the window size,
but I'm not sure.
STEPS TO REPRODUCE:
1. Set the scale factor to 1.5.
2. Open some window, for example Konsole.
3. Put it at the 0x0 coordinates (top-left corner). Also, for just in case,
ensure that the current window size can be divided by 1.5 without problems.
4. Take a screenshot and save it as a file.
5. Then move this window to somewhere to achieve an XY value that can't be
divided by 1.5.
6. Take another screenshot and save it as a file.
7. Open it in GIMP and compare font glyphs.
OBSERVED RESULT
The screenshot is blurred
EXPECTED RESULT
Crystal clear screenshot whatever coordinates it was
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Kernel Version: 6.8.1-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 9 7940HS w/ Radeon 780M Graphics
Memory: 28,2 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: Micro Computer (HK) Tech Limited
Product Name: Venus series
--
You are receiving this mail because:
You are watching all bug changes.
