[Qt-qml] 答复: 答复: 答复: how to draw line in QML

[Bo Thorsen]

Then you should implement your own QDeclarativeItem subclass i C++ and 
do the drawing with QPainter.

Bo.

Den 05-12-2011 09:37, 宫长辉 skrev:
> I need to draw a wave composed by 1000 continuous lines.
>
> And mostly 8 waves were needed in one graph.
>
> Even the product should be run in ARM.
>
> So I’m afraid that it will cost too much CPU and memory, If I implement
> it with rectangle,
>
> Regards.
>
> *发件人:*Jesus Fernandez [mailto:jsfdez at gmail.com]
> *发送时间:*2011年12月5日16:12
> *收件人:*bea.lam at nokia.com
> *抄送:*gongchanghui at kingrich.com.cn; qt-qml at qt.nokia.com
> *主题:*Re: [Qt-qml] 答复: 答复: how to draw line in QML
>
> Anyway for the lines, you can use the rectangle and some math to calc
> the angle and coords if the line is not horizontal or vertical.
>
> 2011/12/5 <bea.lam at nokia.com <mailto:bea.lam at nokia.com>>
>
>
> On 05/12/2011, at 3:40 PM, ext 宫长辉wrote:
>
>>  Thank you fro reply.
>>
>>  It seems that using qmlcanvas module will be the nice way to resolve my
>>  problem.
>>
>>  BTW, when QT quick 2.0 will be released ?
>>
>
> It is part of Qt 5, which is scheduled for the first half of 2012:
> http://developer.qt.nokia.com/wiki/Qt_5.0
>
>
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Bo Thorsen,
Fionia Software.

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