FWIW, I put an example on my blog:
http://blogs.adobe.com/aharui/2007/04/more_thinking_about_item_rende.htm
l

 

________________________________

From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of bhaq1972
Sent: Thursday, April 05, 2007 1:03 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: datagrid image itemRenderers don't
maintainAspectRatio

 

Thanks Alex. That works except the image appears left aligned. I'd 
like it to be centre aligned. 

horizontalAlign=center doesn't work. 

any more ideas

--- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
, "Alex Harui" <[EMAIL PROTECTED]> wrote:
>
> You could subclass Image, override updateDisplayList and set the
> contentHolder's width/height afters super.updateDisplayList
> 
> ________________________________
> 
> From: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>

[mailto:flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com>
] On
> Behalf Of bhaq1972
> Sent: Wednesday, April 04, 2007 7:54 AM
> To: flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> 
> Subject: [flexcoders] Re: datagrid image itemRenderers don't
> maintainAspectRatio
> 
> 
> 
> I've tried everything you suggested but doesn't work for me. 
thanks 
> anyway.
> 
> --- In flexcoders@yahoogroups.com
<mailto:flexcoders%40yahoogroups.com>  <mailto:flexcoders%
40yahoogroups.com>
> , "Dexter18" <cbforen@> wrote:
> >
> > may set the height and the width of your image component. either 
to
> > fixed size or to values from yout loaded image.
> > 
> > then you can set -horizontalAlign="center"- and the
> > -verticalAlign="middle"- props of the image component to center 
> your
> > image.
> > you dont need a wrapper component like a hbox or s.th. similar.
> > 
> > when this not helps, i always set -maintainAspectRaio="true"- 
> > 
> > 
> > carsten
> > 
> > --- In flexcoders@yahoogroups.com
<mailto:flexcoders%40yahoogroups.com> 
> <mailto:flexcoders%40yahoogroups.com> , "bhaq1972" <mbhaque@> 
wrote:
> > >
> > > I've got a image based component i'm using as an itemRenderer
> > > eg
> > > 
> > > dgImage.mxml
> > > ------------
> > > <mx:Image>
> > > etc
> > > </mx:Image>
> > > 
> > > its all working, but the images look large and blurry.
> > > 
> > > However, if i wrap with an hbox eg
> > > 
> > > <mx:HBox>
> > > <mx:Image/>
> > > </mx:HBox>
> > > 
> > > the images look perfect. I didn't have a problem with this 
until 
> i 
> > > read Alex Harui's blog regarding performance issues using 
> containers 
> > > in itemRenderes.
> > > 
> > > is there another way i can prevent blurry images?
> > >
> >
>

 

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