Differential D23831

Unsuccessful attempt to make KSignalPlotter render sharp chart in HiDPI display
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Authored by guoyunhe on Sep 10 2019, 1:22 PM.

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Plasma
Summary

I changed all QPainter functions to qreal functions. But this didn't make the line chart sharp in HiDPI.

The latest result I get:

It seems more sharper, but the lines are broken and the whole chart is shrunk.

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Repository
R111 KSysguard Library
Branch
master
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Unit
No Unit Test Coverage
Build Status
Buildable 16330
Build 16348: arc lint + arc unit
guoyunhe created this revision.Sep 10 2019, 1:22 PM
Restricted Application added a project: Plasma. · View Herald TranscriptSep 10 2019, 1:22 PM
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guoyunhe requested review of this revision.Sep 10 2019, 1:22 PM
guoyunhe updated this revision to Diff 65765.Sep 10 2019, 2:49 PM

continue trying

guoyunhe edited the summary of this revision. (Show Details)Sep 10 2019, 2:51 PM
guoyunhe added a comment.Dec 16 2019, 8:31 AM

CPU/IO Plasma widgets work pretty well in HiDPI screen. It should be solved if we make it a QML component, reusing the part from Plasma widgets.

guoyunhe abandoned this revision.Dec 16 2019, 8:45 AM

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Diff 65765

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signalplotter/ksignalplotter.cpp

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signalplotter/ksignalplotter_p.h

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