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:jsf...@gmail.com] > *发送时间:*2011年12月5日16:12 > *收件人:*bea....@nokia.com > *抄送:*gongchang...@kingrich.com.cn; qt-qml@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....@nokia.com <mailto:bea....@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 > > > _______________________________________________ > Qt-qml mailing list > Qt-qml@qt.nokia.com <mailto:Qt-qml@qt.nokia.com> > http://lists.qt.nokia.com/mailman/listinfo/qt-qml > > > > 在此邮件中未发现病毒。 > 检查工具：AVG - www.avg.com <http://www.avg.com> > 版本：2012.0.1873 / 病毒数据库：2102/4657 - 发布日期：12/04/11 > > > > _______________________________________________ > Qt-qml mailing list > Qt-qml@qt.nokia.com > http://lists.qt.nokia.com/mailman/listinfo/qt-qml Bo Thorsen, Fionia Software. -- Expert Qt and C++ developer for hire Contact me if you need expert Qt help http://www.fioniasoftware.dk _______________________________________________ Qt-qml mailing list Qt-qml@qt.nokia.com http://lists.qt.nokia.com/mailman/listinfo/qt-qml
