Doug, what would you go with? Sprite?
I thought sprite, but you need to implement all the IUIComponent stuff
or use composition correct? Wouldn't composition reduce the benefits
gained by using Sprite?
Doug, if you message me and I can tell you where to see the component.
jason (underscore) newport {at) hot mail
--- In [email protected], "Doug McCune" <[EMAIL PROTECTED]> wrote:
>
> You've got 4,000 things all moving around at once? Are all 4,000 of
those
> actually visible? 4,000 UI components seems like a lot for any layout
> manager to have to deal with. I'd try to focus on figuring out how
to reduce
> the number of UIComponents before I worried about how much memory
each one
> is taking up. I may be totally off base, but I can't imagine a scenario
> where you want 4,000 images all on the screen at the same time.
>
> And if you do really need to load 4,000 swfs all at the same time
then you
> probably want something that's lighter than custom UIComponent classes,
> which would keep those 4,000 objects out of the normal
> invalidation/validation cycles of the display list.
>
> Doug
>
> On Wed, Oct 15, 2008 at 1:34 PM, Michael Schmalle
> <[EMAIL PROTECTED]>wrote:
>
> > A side note,
> > You are doing some very expensive leg work in the 'content' setter.
> >
> > You need to break that out into commitProperties() and
updateDisplayList().
> >
> > You would get a huge performance increase for sure.
> >
> > As far as the memory, doesn't look to weird, event listeners
without weak
> > references can make thing hang around as well.
> >
> > Mike
> >
> >
> > On Wed, Oct 15, 2008 at 3:08 PM, flexaustin <[EMAIL PROTECTED]> wrote:
> >
> >> So I have this base component, that when running profiler, says its
> >> eating up tons of memory. I have about 4000 of these at one time in
> >> my Flex app (see component code below). This base component is
> >> extended by two other components, which are then extended by two more
> >> components each so 3 or 4 levels above this base component.
> >>
> >> 1. My first question is does the profiler just point to the base
class
> >> or are there actually 4000 of these being created outside of their
> >> extended children?
> >>
> >> 2. My 2nd question is is their anything wrong with the code
below? Why
> >> is it eatin memory? The parameter "content" when pulled in is a swf
> >> file (icon) that is 5kb each so 5kb * 4000... you get the math.
> >>
> >> When I run this progam the CarouselImage's are using up 30% to 35% of
> >> my apps memory usage. And my app is eating up 725,000kb of mem usage,
> >> thus crashing my pretty decent computer.
> >>
> >> // ----------- BEGIN CODE --------------------------------------
> >> package com.mysite.views.components
> >> {
> >>
> >> import flash.display.DisplayObject;
> >> import flash.system.ApplicationDomain;
> >>
> >> import mx.core.UIComponent;
> >> import mx.events.ResizeEvent;
> >>
> >> public class CarouselImage extends UIComponent
> >> {
> >> // Content
> >> private var _content:DisplayObject;
> >> private var _contentWidth:Number;
> >> private var _contentHeight:Number;
> >>
> >> public function CarouselImage(content:*=null)
> >> {
> >> super();
> >>
> >> // Set content
> >> this.content = content;
> >> }
> >>
> >> // Properties
> >> [Inspectable]
> >> public function get content():DisplayObject
> >> {
> >> return _content;
> >> }
> >>
> >> public function set content(value:*):void
> >> {
> >> if (_content != null)
> >> {
> >> removeChild(_content)
> >> removeEventListener(ResizeEvent.RESIZE, handleResize);
> >> }
> >>
> >> if (value is String)
> >> {
> >> try
> >> {
> >> value = ApplicationDomain.currentDomain.getDefinition(value);
> >> }
> >> catch (error:*)
> >> {
> >> // Do nothing
> >> }
> >> }
> >>
> >> if (value is Class)
> >> value = new value();
> >>
> >> _content = value as DisplayObject;
> >>
> >> if (_content != null)
> >> {
> >> _contentWidth = _content.width;
> >> _contentHeight = _content.height;
> >>
> >> addChild(_content);
> >> addEventListener(ResizeEvent.RESIZE, handleResize);
> >>
> >> scaleContent();
> >> }
> >>
> >> this.invalidateDisplayList();
> >> this.invalidateProperties();
> >> this.invalidateSize();
> >> }
> >>
> >> public function get contentWidth():Number
> >> {
> >> return _contentWidth;
> >> }
> >>
> >> public function get contentHeight():Number
> >> {
> >> return _contentHeight;
> >> }
> >>
> >> // Measure and draw
> >> private function scaleContent():void
> >> {
> >> if (_content != null && width > 0 && height > 0)
> >> {
> >> // Width
> >> _content.scaleX = width / contentWidth;
> >> // Center the image
> >> _content.x = (width - (contentWidth * _content.scaleX)) * 0.5;
> >>
> >> // Height
> >> _content.scaleY = height / contentHeight;
> >> // Center the image
> >> _content.y = (height - (contentHeight * _content.scaleY)) * 0.5;
> >> }
> >> }
> >>
> >> // Event handlers
> >> private function handleResize(event:ResizeEvent):void
> >> {
> >> scaleContent();
> >> this.invalidateDisplayList();
> >> this.invalidateProperties();
> >> this.invalidateSize();
> >> }
> >>
> >> }
> >> }
> >> // ----------------- END CODE ------------------------------------
> >>
> >>
> >
> >
> > --
> > Teoti Graphix, LLC
> > http://www.teotigraphix.com
> >
> > Teoti Graphix Blog
> > http://www.blog.teotigraphix.com
> >
> > You can find more by solving the problem then by 'asking the
question'.
> >
> >
>
