Flex :: Gui - Panel Not Being Updated?
Dec 29, 2009
I am drawing a cellular automaton simulation on a Flex Canvas. I alternate computing the state of the automaton with updating the graphics on the Panel. However, the updating of the Panel does not seem to be "keeping up" with the update of the CA state.
I'm wondering whether I am doing something wrong with my handling of the graphics code. The code is below. Sorry it's so lengthy, but I don't think the problem will happen with anything simpler (well, it probably will, but I'm not certain I want to take the time to find it).
[Code]...
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<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="http://ns.adobe.com/mxml/2009"
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[code].....
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In the code below, the presentedAlbumIndex is used to control the selectedIndex of the TileList. Item "five" is initially selected. Whenever the button is pressed the first item in the array is deleted, and the presentedAlbumIndex is decremented.
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Steve
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute"
[Code]....
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<s:Application
xmlns:fx="http://ns.adobe.com/mxml/2009"
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[Code].....
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[code]....
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[Code].....
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[Code]...
I am presuming this is because the image hasn't finished reading the png file off the disk yet. What event can I monitor to know when it's width and height will have the right values? The 'Complete' event only seems to work for DOWNLOADED images. The 'Render' event happens EVERY FRAME. The (undocumented?) 'sourceChanged', happens as soon as source changes, and has the same problem! What event do I watch that will let me know when the image's width and height properties will have valid values? Or is there some Synchronous version of I.source='xxx.png', that I don't know about?
P.S. Yes, I know I shouldn't use "C:" in an Air Program. This was just for illustrative purposes, so that you won't suggest I use "Complete", which never even seems to fire when the file indicated by source is local.
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[CODE]....
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[code]......
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