CompressedImageData:getWidth
Gets the width of the CompressedImageData.
width = CompressedImageData:getWidth()
width number The width of the CompressedImageData.
width = CompressedImageData:getWidth( level )
level number A mipmap level. Must be in the range of CompressedImageData:getMipmapCount().
width number The width of a specific mipmap level of the CompressedImageData.