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ions on 07/02/10

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Last Edited at 07/02/10 05:41pm

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Ratio et ajustement de contenu

/ Published in: ActionScript 3

Permet d'ajuster la taille d'une image ou swf en fonction de son ratio et de celui de son conteneur.

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var clipConteneur_mc:MovieClip = new MovieClip();
var chargeImage:Loader = new Loader();

clipConteneur_mc.graphics.beginFill(0x000000,1);
clipConteneur_mc.graphics.drawRect(0, 0, 200, 150);
clipConteneur_mc.graphics.endFill();
addChild(clipConteneur_mc);

clipConteneur_mc.x = 20;
clipConteneur_mc.y = 20;

chargeImage.contentLoaderInfo.addEventListener(Event.COMPLETE, onChargeImageComplete);
chargeImage.load(new URLRequest("images/image.jpg"));

function onChargeImageComplete(evt:Event):void
{
	var contenuRatio:Number = clipConteneur_mc.width / clipConteneur_mc.height;
	var imgRatio:Number = evt.currentTarget.content.width / evt.currentTarget.content.height;
	
	var img:Bitmap = Bitmap(chargeImage.content);
	img.smoothing = true;

if (imgRatio > contenuRatio)
	{
		img.width = clipConteneur_mc.width*0.95;
		img.height = (clipConteneur_mc.width/imgRatio)*0.95;
	}
	else if (imgRatio<=contenuRatio)
	{
		img.height = clipConteneur_mc.height*0.95;
		img.width = (clipConteneur_mc.height*imgRatio)*0.95;
	}
	
	clipConteneur_mc.addChild(img);
	
	img.x = clipConteneur_mc.width/2 - img.width/2;
	img.y = clipConteneur_mc.height/2 - img.height/2;
}

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