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- # s_read.dfa
- # Build time configuration of libpng
- #
- # Author: John Bowler
- # Copyright: (c) John Bowler, 2013
- # Usage rights:
- # To the extent possible under law, the author has waived all copyright and
- # related or neighboring rights to this work. This work is published from:
- # United States.
- #
- # Build libpng with simplified read support (only). This builds a minimal
- # libpng able to read all PNG formats and convert them into a small number of
- # well understood memory formats.
- #
- everything = off
- option SIMPLIFIED_READ on
- # It isn't necessary to chose fixed or floating point for the APIs because the
- # simplified API doesn't need fixed or floating point numbers. It is necessary
- # to chose an internal math implementation. The default (because of 'everything
- # = off') is fixed point - turn the floating point implementation on if you have
- # hardware floating point or prefer your software floating point implementation.
- option FLOATING_ARITHMETIC on
- # This is not strictly necessary, but without it the message strings in the API
- # will not be filled in
- option ERROR_TEXT on
- # Switching these options on enables the 'AFIRST' and 'BGR' formats - you don't
- # need this if you don't use them, they just allow the in-memory layout to be
- # changed to match common hardware formats.
- option SIMPLIFIED_READ_AFIRST on
- option SIMPLIFIED_READ_BGR on
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