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List: kde-core-devel
Subject: Re: Review Request: New KSignalPlotter graph for plotting continuous
From: "John Tapsell" <johnflux () gmail ! com>
Date: 2009-09-29 8:38:47
Message-ID: 20090929083847.6691.76421 () localhost
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> On 2009-09-15 07:51:21, Andreas Kling wrote:
> > Let's see..
> >
> > * The "beam order" related API (addBeam() & co) is a bit awkward. I'd prefer more \
> > explicit initialization, something like setBeamColor()
> > * removeBeam() takes an "uint position", while similar functions take an "int \
> > index"
> > * numBeams(), beamColor() should be const
> >
> > All in all though, pretty cool class! Just needs some API polish. :)
* The "beam order" related API (addBeam() & co) is a bit awkward. I'd prefer more \
explicit initialization, something like setBeamColor() There is actually already a \
setBeamColor(). I could change addBeam(color) to addBeam(); setBeamColor(0, color); \
although that's a bit more clumsy.
The reordering of beams kinda sucks, but I don't particularly see a better way.
* removeBeam() takes an "uint position", while similar functions take an "int index"
Done
* numBeams(), beamColor() should be const
Done
- John
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
http://reviewboard.kde.org/r/1430/#review2369
-----------------------------------------------------------
On 2009-08-29 10:45:29, John Tapsell wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://reviewboard.kde.org/r/1430/
> -----------------------------------------------------------
>
> (Updated 2009-08-29 10:45:29)
>
>
> Review request for kdelibs.
>
>
> Summary
> -------
>
> This is used by KSysGuard to plot network usage etc. I want to make it available \
> for other people to use.
> It is really quite feature-full, and uses a sliding window technique to minimize \
> CPU usage for drawing. On my system (dual core 3Ghz), drawing three of these \
> graphs updating every 0.5 seconds takes about 1% of the CPU usage.
>
> Diffs
> -----
>
> trunk/KDE/kdeui/plotting/KSignalPlotter.h PRE-CREATION
> trunk/KDE/kdeui/plotting/KSignalPlotter.cpp PRE-CREATION
> trunk/KDE/kdeui/plotting/KSignalPlotter_p.h PRE-CREATION
>
> Diff: http://reviewboard.kde.org/r/1430/diff
>
>
> Testing
> -------
>
> It has been used in KSysGuard for ages.
>
> It has no unit tests however :-/
>
>
> Screenshots
> -----------
>
> Screenshot in action
> http://reviewboard.kde.org/r/1430/s/191/
>
>
> Thanks,
>
> John
>
>
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