[QTBUG-94622] svg Image is Pixelated when windows is scaled - Qt Bug Tracker

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Details

Type: Bug
Status: Closed
Priority: P2: Important
Resolution: Done
Affects Version/s: 5.15.4
Fix Version/s: 6.1.3, 6.3.0 Alpha
Component/s: GUI: High-DPI, SVG Support
Labels:
- Reported_by_support_standard
Environment:
window

Platform/s:

Windows
Commits:
08838f434b55024d9d5a9252fc2a3fb782b087da (qt/qtdeclarative/dev) 4a878256bd283921c02f135174db0fa6f1fe39eb (qt/qtdeclarative/6.1) 040f7b93b44b5b7880a8e07f878158440fcb2f31 (qt/tqtc-qtdeclarative/5.15)

Description

By scaling display settings, svg image is getting pixelated.

Even adding following Image control to prevent it does not works when application starts and then display is scaled to 150% or higher on windows.
sourceSize.width: rDDErrorImgWidth * Screen.devicePixelRatio
sourceSize.height: rDDErrorImgHeight * Screen.devicePixelRatio

Attached source code, image and screenshot of windows settings.

Attachments

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Attachments

qtbug94622.tar.gz
21 Jun '21 01:01
2 kB
Irfan Omair
start-125.png
20 Jul '21 12:25
10 kB
Volker Hilsheimer
start-150.png
20 Jul '21 12:25
14 kB
Volker Hilsheimer
switch-125.png
20 Jul '21 12:25
11 kB
Volker Hilsheimer
switch-150.png
20 Jul '21 12:25
15 kB
Volker Hilsheimer
WindowsDisplaySettings (1).PNG
21 Jun '21 01:04
342 kB
Irfan Omair

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Gerrit Reviews

For Gerrit Dashboard: QTBUG-94622
#	Subject	Branch	Project	Status	CR	V
360926,4	Handle QScreen::physicalDotsPerInchChanged changes for the initial screen	dev	qt/qtdeclarative	Status: MERGED	+2	0
360927,7	Update QQuickImage's DPR if re-loading the image didn't	dev	qt/qtdeclarative	Status: MERGED	+2	0
360985,2	Handle QScreen::physicalDotsPerInchChanged changes for the initial screen	6.1	qt/qtdeclarative	Status: MERGED	+2	0
360986,2	Handle QScreen::physicalDotsPerInchChanged changes for the initial screen	6.2	qt/qtdeclarative	Status: MERGED	+2	0
361008,2	Handle QScreen::physicalDotsPerInchChanged changes for the initial screen	tqtc/lts-5.15	qt/tqtc-qtdeclarative	Status: MERGED	+2	0
361512,2	Update QQuickImage's DPR if re-loading the image didn't	6.2	qt/qtdeclarative	Status: MERGED	+2	0
361513,2	Update QQuickImage's DPR if re-loading the image didn't	6.1	qt/qtdeclarative	Status: MERGED	+2	0
361517,2	Update QQuickImage's DPR if re-loading the image didn't	tqtc/lts-5.15	qt/tqtc-qtdeclarative	Status: MERGED	+2	0