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- decode(image)
- extracts data from an image
- decode_files(image_in, data_out)
- Main function for decoding data from image files.
@param image_in: Filename of image containing embeded data
@param data_out: Filename of text file to write the data
@return: None (data written to disk in data_out)
- decode_imdata(imdata)
- Given a sequence of pixels, returns an iterator of characters
encoded in the image
- encode(image, data)
- generates an image with hidden data, starting with an existing
image and arbitrary data
- encode_files(image_in, data_in, image_out, format)
- Main function for encoding data in image files.
@param image_in: Filename of image in which to embed data
@param data_in: Filename of text file containing data
@param image_out: Output file name
@param format: Format of ouput image, use 'None' to keep the input format
@return: None (image_out written to disk)
- encode_imdata(imdata, data)
- given a sequence of pixels, returns an iterator of pixels with
encoded data
- encode_inplace(image, data)
- hides data in an image
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