Actionscript :: Flex Forcing Smaller Redraw Regions
Jul 13, 2010
I've got a small action-script chart, that's meant to be live updating, and also be able to support more than 10000 points of data. The way it's currently set up it doesn't need to redraw the whole chart if the new line we wish to add doesn't extend that chart's boundaries. Yet it does, the redraw regions show the whole chart as being redrawn as opposed to the single line i need to add. When the chart gets a new piece of data from the javascript it does the following.(some stuff has been stripped for clarity.[code] Is there any better way to do that, that won't redraw the whole screen? Is my coding pattern wrong for this type of update?
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May 19, 2010
Is there a simple way to force all the child components of a Flex app to redraw when that app is resized?
For instance, I have a HDividedBox with percentHeight and percentWidth set to 100. On the left hand side of the divided box is a data grid and on the right side is a number of text inputs. The divided box is not added to the view stack until after the user logs on.
If I resize the app before the HDividedBox is added then the box takes up the full size of the app, whatever that may be. However if i resize the app after the box appears then the box retains the same dimensions it does when it was first added.
I would have expected that on the resize of the app then all the children would redraw (the application component itself appears to).
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Jan 18, 2011
I've been making a flash animation for a client - the dimensions of the stage are 2,000px wide, 800px tall. They want a graphic in the background and a snow effect in the foreground.
The code I have written uses TweenMax to move a snowflake that has been dynamically loaded from the library on to the stage using attachMovie. When the clip leaves the stage, it is deleted and a new clip is created at the top of the stage.
I expect flash to redraw the background that the flakes pass over, but flash seems to also be redrawing space between the flakes - as if they were one movieclip - even though they are separate instances.
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Dec 19, 2011
I have an flash swf on a page loaded with object/embed tags.
<object width="565" height="300" >
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I need to be able to start/stop or reload this swf with purely javascript as I don't have access to the source swf file to add any actionscript.I figured the easiest way to pull this off is by removing the element and replacing it forcing a redraw with would hince reload the swf movie. Though ie seams to cache the flash element and pretty much look over any updates I make to the embed/object tags and keeps right on going.So how do I force IE to redraw/update a flash element on a page?
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Jan 4, 2010
I am working in Flash cs3. I am having problems with mozilla related to contextMenu.
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when i am viewing the same html file in mozilla, "Show Redraw Regions" option is still visible when i am right clicking on browser. In IE, its fine.
How to remove this option in Mozilla.
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Feb 18, 2010
I have a Sprite covering the entire screen.Other than a certain rectangle of this sprite.I want the rest of the sprite to have alpha = 0.5. And for that particular rectangle, I want alpha = 0.
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Jun 25, 2004
I found this really neat photo gallery on flashkit but there is no support or readme included. how to size this thing.. the AS code does have comments but I am not a coder.I'd like to make the image window smaller and the overall movie smaller. 325x325 or so
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May 31, 2009
I have what seems a straighfoward situation: I update the source property of an image, when the image is loaded i want to redraw the border skin to fit the new size of the image.
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[Code]...
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Jan 10, 2011
I have an app w/ a login screen. When the user hits "enter", the state changes to "login" & a child component is triggered to load (though the child stays invisible at the moment). The child contains many functions that the user needs upon logging in (ie their screenname & settings are retrieved from a database). The following is included in 'Parent':
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UPDATE: I even tried adding an "exitState" to my state:
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This doesn't work either, as I get an error: "RangeError: Index 0 is out of range."
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May 11, 2010
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[code].....
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May 11, 2010
I have a problem with redrawing in flex 4. I have a spark titleWindow, and if i drag it faster, it looks like it's mask is one frame late after the component. it's easily visible with 1pixel thin border, because it becomes invisible even with slower movement.
You can try it here (what is not my page, but it's easier to show you here than uploading example):[URL]..
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Mar 23, 2011
Suppose I have a component and want to change it's focus color at runtime. Here's an example for you (I've excluded any buttons and such to prevent component from losing it's focus, cause in that case it changes it's color perfectly):
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<mx:Script><![CDATA[
private function init():void {
[Code].....
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Apr 20, 2011
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The code is below:
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[Code]....
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Aug 4, 2010
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Jul 28, 2009
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Dec 20, 2010
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Jan 16, 2010
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Jul 4, 2010
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Jun 11, 2010
I have a tree control with a custom item renderer. The item renderer has different states that should be set while an item is being dragged over the item renderer. I understand from reading this post [URL] that the 'right way' to do this is to override the 'getCurrentState' method and append some text. I do that.
Now in my tree control I handle the drag over event and get a reference to the itemrenderer that is being dragged over and I set the boolean 'dragOver' property to true. Now I just need to force my itemRenderer to redraw. I can't figure that out. A workaround, is to just set the currentState of the itemRenderer.
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<s:MXTreeItemRenderer xmlns:fx="http://ns.adobe.com/mxml/2009"
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[Code]....
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Mar 29, 2010
I am creating a component that displays a variable amount of "gauges" (square tiles of content if you will), that is laid out like so:
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[code]...
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Oct 11, 2010
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Now if this was my own code (URLLoader is a black box), I would pause once in a while to let the UI update, say via loop with a timer. I presume that the URLLoader itself is blocking the main thread from processing drawing code. Adding validateNow() and invalidateDisplayList() does not seem to help much.
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As these are local files, would I be better off not using the URLLoader class and instead switching to FileStream?
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Nov 8, 2010
handling global keyboard events in Flex, is to attach a listener in the application complete event of a Flex application. However, no matter what I try, I have not been able to catch events without clicking on a point on the page, which is hosting my Flex application.
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Oct 20, 2010
I'm trying to make an existing FLEX application section-508-compliant, by getting it to work smoothly with the JAWS screen reader. It kinda sorta works, but one immediate problem is that when you first go to the login screen, your cursor ends up in the userid field, but JAWS doesn't read anything useful (like the label of the field you're in!) until you hit TAB or something. Is there a way to force it to speak immediately on application startup, without making the user tab/backtab just to hear where they are?
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Jun 24, 2009
I compile my Flex application with several swc's (libraries) and it creates a swf file. The sum of the swc's is roughly 4 MB yet the actual swf generated is only 1.6 MB. How is this possible?
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Jun 28, 2011
I'm working (for my sins) on a Flex 3.3 project, which unfortunately cannot be upgraded to a newer SDK version at this stage, and have hit an issue with the custom hierarchical tree class (subclassing mx.controls.Tree) we're using. Excuse the spelling; the previous developer had a fear of dictionaries...
public class HierachyTree extends Tree
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{[code].....
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May 21, 2010
We are in process of optimization of Flex AS3 Application.
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If I have a BitmapData that's already been drawn onto a Sprite. Is there a way to redraw the BitmapData onto a Sprites Graphics object without having to invoke beginBitmapFill and passing in the same BitmapData?
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Jun 10, 2010
I am trying to write a flash app that will allow a user to select various regions of an image, similar to that of the selection tool in photoshop where a square region can be stretched and selected.
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May 7, 2009
Using Flash CS3 If I draw two overlapping rectangles with two different fill colors, I get the expected results.If I draw two overlapping rectangles with the same fill color, the overlapping region appears white, almost as if there were an exclusion blend applied.
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Feb 25, 2010
when we are running movieclips in flash for a few minutes, white regions or white artefacts will start to appear on the screen, and it will slowly grow in size.we have cleared the objects from memory, but these white regions are still coming.
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