[Interest] What is the "right" way to make a cpu monitor like animation in QML?

Mark markg85 at gmail.com
Mon Jun 3 16:59:09 CEST 2013


That's nice! Thank you very much for giving me that pointer.


On Mon, Jun 3, 2013 at 1:55 PM, Pasion Jerome <Jerome.Pasion at digia.com> wrote:
> Hello,
> The snippets in the Custom Geometry page are fixed for 5.1:
> http://doc-snapshot.qt-project.org/qt5-stable/qtquick/scenegraph-customgeometry.html
> Feel free to file a bug if there are other issues in the documentation.
> Jerome P.
> Documentation Engineer - Digia, Qt
> ________________________________________
> Fra: interest-bounces+jerome.pasion=digia.com at qt-project.org [interest-bounces+jerome.pasion=digia.com at qt-project.org] på vegne av Mark [markg85 at gmail.com]
> Sendt: 3. juni 2013 00:53
> To: Qt Interest
> Emne: Re: [Interest] What is the "right" way to make a cpu monitor like animation in QML?
> On Sun, Jun 2, 2013 at 11:07 PM, Mark <markg85 at gmail.com> wrote:
>> Hi,
>> I want to make a CPU monitor like component. At first i was
>> considering using QML Canvas because it has everything i need to make
>> a CPU monitor like component. Those requirements are:
>> - Draw a line
>> - Everything till that line should be drawn in a semi transparent color
>> For a static image that works just fine. However, i want to animate
>> things and that's not really the job of a canvas element. It doesn't
>> look like it should be used for animation (not in QML nor in HTML5).
>> That made me wonder, how are we supposed to make something like a cpu
>> monitor with animations in QML?
>> Regards,
>> Mark
> Hmm, i will just answer myself since i found the solution. It's my
> guess that i have to create a new component for this. Using QPainter
> would be the easiest way, but using the QSG* classes is probably the
> right way. I found a nice tutorial here:
> http://qt-project.org/doc/qt-5.0/qtquick/scenegraph-customgeometry.html
> (which is btw heavily broken.. luckily the example files do still
> work). So i'm going down that route and see how that turns out.
> Btw, there is also this library: https://gitorious.org/qmlplot/qmlplot
> but it's not for Qt5/QtQuick 2.
> This is for Qt5 and SceneGraph but fails to compile:
> https://github.com/delaitre/plotcomponents
> I'm trying to get the sources from that last link to work.
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