Method Image.ANY.decode_header()
- Method decode_header
 mappingdecode_header(stringdata)- Description
 Tries heuristics to find the correct method of decoding the header, then calls that method.
The resulting mapping depends on wich decode_header method that is executed, but these keys will probably exist
"xsize":intSize of image
"ysize":int"type":stringFile type information as MIME type.
"color_space":stringColor space of image.
- Note
 Throws upon failure.