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