Trying to understand zlib/deflate in PNG files

Question

I\'m currently in the middle of writing a small PNG image I/O library myself for learning purposes. My problem is the following:

I created a small PNG only 2 by 2 pi

Answer 1

In case this helps, here is a disassembly of the IDAT chunk contents:

! infgen 2.2 output
!
zlib
!
last
dynamic
count 257 2 18
code 1 1
code 2 2
code 18 2
lens 1
zeros 138
zeros 116
lens 2 2 1 1
! litlen 0 1
! litlen 255 2
! litlen 256 2
! dist 0 1
! dist 1 1
literal 0 0 0 0 255 0 0 0 0 0 255 0 255 0
end
!
adler

You can get the infgen source code here.