Library for manipulating PNG images This formula is keg-only.
Formula was removed
Last versions were
libpng@1.2 requires the following formula to be installed:
xz 5.2.3 General-purpose data compression with high compression ratio

Recent formula history

FX Coudert libpng@1.2: remove
ilovezfs Use “squiggly” heredocs.
Viktor Szakats libpng@1.2: secure url(s)
Mike McQuaid libpng@1.2: import from homebrew/versions.

Formula code at GitHub