1 # simple.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 the simplified APIs (read and write). 12 # 13 14 everything = off 15 16 option SIMPLIFIED_WRITE on 17 option SIMPLIFIED_READ on 18 19 # It isn't necessary to chose fixed or floating point for the APIs because the 20 # simplified API doesn't need fixed or floating point numbers. It is necessary 21 # to chose an internal math implementation. The default (because of 'everything 22 # = off') is fixed point - turn the floating point implementation on if you have 23 # hardware floating point or prefer your software floating point implementation. 24 option FLOATING_ARITHMETIC on 25 26 # This is not strictly necessary, but without it the message strings in the API 27 # will not be filled in 28 option ERROR_TEXT on 29 30 # Switching these options on enables the 'AFIRST' and 'BGR' formats - you don't 31 # need this if you don't use them, they just allow the in-memory layout to be 32 # changed to match common hardware formats. 33 option SIMPLIFIED_READ_AFIRST on 34 option SIMPLIFIED_READ_BGR on 35 option SIMPLIFIED_WRITE_AFIRST on 36 option SIMPLIFIED_WRITE_BGR on 37
