Reply To: Level Four
I’ve partially decoded the data at the bottom, but the result is malformed (probably need to do some manual editing first; I have an idea to try after I eat). Alice, I’m having the same problem with the G+ link that everyone else has.
~$ pnginfo joco.png
joco.png…
libpng warning: iCCP: CRC error
libpng error: PNG unsigned integer out of range.
Could not set PNG jump value
manager@prandtl:~$ pngchunks joco.png
Chunk: Data Length 13 (max 2147483647), Type 1380206665 [IHDR]
Critical, public, PNG 1.2 compliant, unsafe to copy
IHDR Width: 126
IHDR Height: 130
IHDR Bitdepth: 8
IHDR Colortype: 6
IHDR Compression: 0
IHDR Filter: 0
IHDR Interlace: 0
IHDR Compression algorithm is Deflate
IHDR Filter method is type zero (None, Sub, Up, Average, Paeth)
IHDR Interlacing is disabled
Chunk CRC: -2139915030
Chunk: Data Length 750 (max 2147483647), Type 1346585449 [iCCP]
Ancillary, public, PNG 1.2 compliant, unsafe to copy
… Unknown chunk type
Chunk CRC: -732166264
Chunk: Data Length -1198522368 (max 2147483647), Type -2063296768 [��]
Ancillary, private, in reserved chunk space, safe to copy
… Unknown chunk type
Segmentation fault