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
11everything = 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
17option SEQUENTIAL_READ on
18
19# You must choose fixed or floating point arithmetic:
20# option FLOATING_POINT on
21
22option 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
29option 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
36option SETJMP on
37option STDIO on
38option READ_EXPAND on
39option READ_STRIP_16_TO_8 on
40option USER_LIMITS on
41