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Posted By

arpo on 01/27/10


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Scale by ratio

 / Published in: ActionScript 3
 

Scale an object with fixed aspect ratio to fit in a specific area.

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  1. function scaleByRatio(obj:DisplayObject, maxWidth:Number, maxHeight:Number):void {
  2. 	if (obj.width > obj.height) {
  3. 		obj.height = (maxWidth * obj.height) / obj.width
  4. 		obj.width = maxWidth;
  5. 	}else if (obj.height > obj.width) {
  6. 		obj.width = (maxHeight * obj.width) / obj.height
  7. 		obj.height = maxHeight;
  8. 	}else {
  9. 		obj.width = maxWidth;
  10. 		obj.height = maxHeight;
  11. 	}
  12. }

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