1 # pngminim/decoder/pngusr.dfa 2 # 3 # Copyright (c) 2010-2013 Glenn Randers-Pehrson 4 # 5 # This code is released under the libpng license. 6 # For conditions of distribution and use, see the disclaimer 7 # and license in png.h 8 9 # First all the build options off: 10 11 everything = off 12 13 # All that is required is some read code. This example switches 14 # on the sequential read code (see ../preader for a progressive 15 # read example). 16 17 option SEQUENTIAL_READ on 18 19 # You must choose fixed or floating point arithmetic: 20 # option FLOATING_POINT on 21 22 option FIXED_POINT on 23 24 # You must chose the internal fixed point implementation or to 25 # use the system floating point. The latter is considerably 26 # smaller (by about 1kbyte on an x86 system): 27 # option FLOATING_ARITHMETIC on 28 29 option FLOATING_ARITHMETIC off 30 31 # Your program will probably need other options. The example 32 # program here, pngm2pnm, requires the following. Take a look 33 # at pnglibconf.h to find out the full set of what has to be 34 # enabled to make the following work. 35 36 option SETJMP on 37 option STDIO on 38 option READ_EXPAND on 39 option READ_STRIP_16_TO_8 on 40 option USER_LIMITS on 41
