Working with images - Rotation and Movement

Hello there,
I have this problem that I cant seem to solve:
I need to be able to move an image arround and there are restrictions to where image should be able to move: at any given time, when dragging, image should always cover whole body of a given border_container, this is simply achieved by sending a rectangle to the startDrag function, which will specify where the image is allowed to move. I got that part right, and its working, the problem arrise when I try to rotate the border_container (with the image), it should still be only possible to drag image so it all the time covers the body of the border_container, but I don't know how to do it.
Code I use looks something like this:
image.startDrag(getImageDragRectangle());
protected function getImageDragRectangle():Rectangle
     return new Rectangle(
          this.width-image.contentWidth + x,
          this.height-image.contentHeight + y,
          Math.abs(this.width-image.contentWidth),
          Math.abs(this.height-image.contentHeight));
Edit: image is not inside the border_container (not sure how relevant it is..)
Could anyone help me out here and give me any hints or suggestions how I could fix it?

You would have to write the image to a temporary file so that the browser could read it off the server. Browsers do not have access to the database, so there's no way to get the image from the database to the browser without using some sort of interim solution.
~Jer

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