anchor: love.image.newCompressedData
  Create a new CompressedImageData object from a compressed image file. LÖVE supports several compressed texture formats, enumerated in the CompressedImageFormat page.
  compressedImageData = love.image.newCompressedData( filename )
  filename string The filename of the compressed image file.
  compressedImageData CompressedImageData The new CompressedImageData object.
  compressedImageData = love.image.newCompressedData( fileData )
  fileData FileData A FileData containing a compressed image.
  compressedImageData CompressedImageData The new CompressedImageData object.