Inspect a PNG file, returning parsed metadata relating to it.
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A character string giving the file name to read from.
An object of class
Additional arguments (which are ignored).
The LodePNG library is used to parse the PNG file at the specified path.
The result is a string like the input, but of class
with several attributes set describing the file's contents. There is a
inspectPng returns a character vector of class
readPng to read the pixel values.
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