1# s_write.dfa
2#  Build time configuration of libpng
3#
4# Author: John Bowler
5# Copyright: (c) John Bowler, 2013
6# Usage rights:
7#  To the extent possible under law, the author has waived all copyright and
8#  related or neighboring rights to this work.  This work is published from:
9#  United States.
10#
11# Build libpng with (just) simplified write support
12#
13
14everything = off
15
16option SIMPLIFIED_WRITE on
17
18# It isn't necessary to chose fixed or floating point for the APIs because the
19# simplified API doesn't need fixed or floating point numbers.  It is necessary
20# to chose an internal math implementation.  The default (because of 'everything
21# = off') is fixed point - turn the floating point implementation on if you have
22# hardware floating point or prefer your software floating point implementation.
23option FLOATING_ARITHMETIC on
24
25# This is not strictly necessary, but without it the message strings in the API
26# will not be filled in
27option ERROR_TEXT on
28
29# Switching these options on enables the 'AFIRST' and 'BGR' formats - you don't
30# need this if you don't use them, they just allow the in-memory layout to be
31# changed to match common hardware formats.
32option SIMPLIFIED_WRITE_AFIRST on
33option SIMPLIFIED_WRITE_BGR on
34