how zebra encode image?

[Ai01]

hello, l want to know how zebra encode the picture. because l want to build a web page to custom print QrCode with zebra designer.

l get the file content below:

CT~~CD,~CC^~CT~
^XA~TA000~JSN^LT0^MNW^MTT^PON^PMN^LH0,0^JMA^PR6,6~SD15^JUS^LRN^CI0^XZ
^XA
^MMT
^PW831
^LL0406
^LS0
^FO32,32^GFA,21120,21120,00060,:Z64:
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:3F14
^PQ1,0,1,Y^XZ

l need to use my picture content to replace the file code above