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I'm making a game where one takes a picture of their face to use on a character. I have them zoom in on the picture, but the bitmapdata extends out of its movieclip. How do I assign bounds to my bitmapdata?

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  • \$\begingroup\$ I decided to try getBounds \$\endgroup\$
    – user25191
    Mar 30, 2013 at 4:41
  • \$\begingroup\$ ...and it didn't work \$\endgroup\$
    – user25191
    Mar 31, 2013 at 14:35
  • \$\begingroup\$ Since this task is not just relevant to games (I can imagine websites doing this) there may already be an explanation on the main StackOverflow. \$\endgroup\$
    – jhocking
    Apr 3, 2013 at 12:23

2 Answers 2

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I think you need to dynamically create a shape with the x, y, width, and height of what you want to be visible, make it a mask and then add it to the display list in front of the bitmap data's movie clip. See this article on the subject.

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Use the scrollRect property of your Bitmap. Here's the API documentation. You might also be interested in the following question/answer.

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