问题
So after adding support for dynamic images, a la MovieClipLoader, to a project that I'm working on, I came across some strange behavior. In local tests, the requested images load fine and I am able to use them as I like. However, when the .swf is hosted online, the images are not visible, even though I don't get an onLoadError event. This behavior seems rather odd and is obviously not desirable. Through some testing, I found that the dimensions of the images loaded with the MovieClipLoader matched that of the source images, but getPixel was returning "-1".
I am extracting the images through the BitmapData.draw method, but I don't think this is the cause of the problem, as my implementation functions properly offline.
The images are hosted by a website with an open crossdomain policy. I can't imagine it's a matter of crossdomain security.
It shouldn't be a restriction on the server hosting the .swf, as I am able to retrieve xml data from other websites.
I'm hoping it's something simple, and not an inherent problem with the MovieClipLoader class. I figured I'd try to rule out the latter by coming here.
Thanks.
回答1:
BitmapData.draw has crossdomain security. One must make use of System.security.loadPolicyFile() in order to allow the drawing of crossdomain objects.
来源：https://stackoverflow.com/questions/21694450/moviecliploader-loadmovie-loads-a-blank-image-with-proper-dimensions