Re: [jCharts-users] Gradient on each bar rather than across entire graph

[Nathaniel G. A. <nat...@ya...>]

why set the Paint n times, when you can set it once?  The thought at the time was there would be a
single Paint per dataset

you could just have a member which counts?  I think the index is passed in too.


--- Travis Reeder <tr...@gm...> wrote:

> I don't think this will work very well for me since the paints are set
> dynamically while creating the graph, so how would I get at which
> paint is for which bar from the preRender method?  I would need a
> axisValueRenderEvent.getPaint() or something.
> 
> Why doesn't jcharts just set the paint for each bar it draws?  Or
> another way of putting that is why does it have the current behaviour?
> 
> Travis
> 
> 
> On Mon, 13 Sep 2004 14:34:45 +1200, Chris McKay <ch...@de...> wrote:
> > Of course you wouldn't set the Paint again!! Better code follows...
> > 
> > 
> > 
> > public void preRender( AxisValueRenderEvent axisValueRenderEvent )
> > {
> >         // overwrite color if range test
> >         double value = axisValueRenderEvent.getiAxisChartDataSet().getValue(
> > 
> > axisValueRenderEvent.getDataSetIndex(),
> > 
> > axisValueRenderEvent.getValueIndex()
> >                                                 );
> >         if (value > loRange && value < hiRange) {
> >                 axisValueRenderEvent.getGraphics2D().setPaint(
> > this.inRangePaint );
> >         }
> > }
> > 
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