var repeat:RepeatBackground = new RepeatBackground();
addChild(repeat);
repeat.percentHeight = 100;
repeat.percentWidth = 100;
package
{
import mx.containers.Canvas;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Graphics;
import flash.display.Loader;
import flash.events.Event;
import flash.events.IOErrorEvent;
import flash.geom.Matrix;
import flash.net.URLRequest;
import flash.display.Sprite;
import mx.controls.Image;
import mx.core.BitmapAsset;
import mx.graphics.RectangularDropShadow;
import mx.skins.RectangularBorder;
import mx.core.Application;
import mx.core.UIComponent;
public class RepeatBackground extends Canvas
{
public function RepeatBackground()
{
super();
}
private var tile:BitmapData;
[Embed(source='assets/main_bg.png')]
private var imgCls:Class;
override protected function updateDisplayList(unscaledWidth:Number,
unscaledHeight:Number):void {
super.updateDisplayList(unscaledWidth, unscaledHeight);
if( this.parent != null ) {
if( imgCls == null ) {
var backgroundImage:Object = UIComponent( this.parent
).getStyle( backgroundImage );
if( backgroundImage != null backgroundImage != ) {
imgCls = Class( backgroundImage );
(this.parent as UIComponent).setStyle(
backgroundImage, );
}
}
if( imgCls != null ) {
try {
var background:BitmapAsset = BitmapAsset(new imgCls());
tile = background.bitmapData;
var transform: Matrix = new Matrix();
alpha = .5;
graphics.clear();
graphics.beginBitmapFill(tile, transform, true, true);
graphics.drawRect(0, 0, unscaledWidth, unscaledHeight);
} catch( e:TypeError ) {
// Throw an custom error if imgCls is not a valid type
throw new Error( backgroundImage value is not a valid
image class );
} finally {
;// Catch all just ignore
}
}
}
}
}
}
--- In flexcoders@yahoogroups.com, Wally Kolcz wko...@... wrote:
Does anyone know, or have a link to an example, for a tutorial on how to
repeat a background for a component? I want to apply a repeating texture to
either a Canvas or VBox but cannot seem to find a good working example. Found
a ton that work for the Application. Thanks!
