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Autoadjust fontsize to a rectangular boundry

/ Published in: ActionScript
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  1. class nl.mopics.utils.AlignFunc 
  2. {
  3.  
  4. 	public static function autoAdjustFontSize2Rect( txt:String, tff:TextFormat, desiredSize:Number, minimumSize:Number, tf:TextField, rect:Rectangle ):Void
  5. 	{
  6. 		tf._x = rect.x;
  7. 		tf._y = rect.y;
  8. 		tf._width = rect.width;
  9. 		tf.multiline = true;
  10. 		tf.autoSize = true;
  11. 		tf.text = txt;
  12. 		tff.size = desiredSize;
  13. 		for( var s:Number = desiredSize; s>minimumSize; s-- )
  14. 		{
  15. 			if( tf._height < rect.height )
  16. 			{
  17. 				break;
  18. 			}
  19. 			tff.size = s;
  20. 			tf.setNewTextFormat( tff );
  21. 			tf.text = txt;
  22. 		}
  23. 	}
  24.  
  25. }

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