如何获得图像的宽度和高度？

Question

I'm constructing a book of sorts in Actionscript 3 (FlexBuilder) and am trying to size an image dynamically according to the dimensions of it's source file. But, I've found that if I don't explicitly state the width and height of an image, they trace as 0.

So that I can scale down an image to fit within a given space, how do I get the width and height of a source image?

Answer 1

Do these help?

• http://www.actionscript.org/forums/showthread.php3?p=454729
• http://www.actionscript.org/forums/showthread.php3?t=139092
• http://www.dreamincode.net/forums/showtopic14727.htm

Answer 2

flash.display.Loader具有width和height属性。