def compress(self):
initial_bytes_amount = self.__read_bytes_amount(self.filename)
img = util.read_image(self.filename)
img = self.apply_bilinear_interpolation(img, 0.8)
scaled_filename = self.__format_scaled_filename(self.filename)
util.save_image(scaled_filename, img)
compressor = Huffman(scaled_filename)
compressor.compress()
return compressor.compress_filename, initial_bytes_amount, compressor.final_bytes_amount
def decompress(self):
compressor = Huffman(self.filename)
compressor.decompress()
img = util.read_image(compressor.decompress_filename)
img = self.apply_bilinear_interpolation(img, 1.2)
scaled_filename = compressor.decompress_filename.replace(
"small", "big")
util.save_image(scaled_filename, img)
return scaled_filename
