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Diffstat (limited to 'libpng/contrib/conftest/s_read.dfa')
-rw-r--r-- | libpng/contrib/conftest/s_read.dfa | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libpng/contrib/conftest/s_read.dfa b/libpng/contrib/conftest/s_read.dfa new file mode 100644 index 00000000..cb1ce0ba --- /dev/null +++ b/libpng/contrib/conftest/s_read.dfa @@ -0,0 +1,35 @@ +# s_read.dfa +# Build time configuration of libpng +# +# Author: John Bowler +# Copyright: (c) John Bowler, 2013 +# Usage rights: +# To the extent possible under law, the author has waived all copyright and +# related or neighboring rights to this work. This work is published from: +# United States. +# +# Build libpng with simplified read support (only). This builds a minimal +# libpng able to read all PNG formats and convert them into a small number of +# well understood memory formats. +# + +everything = off + +option SIMPLIFIED_READ on + +# It isn't necessary to chose fixed or floating point for the APIs because the +# simplified API doesn't need fixed or floating point numbers. It is necessary +# to chose an internal math implementation. The default (because of 'everything +# = off') is fixed point - turn the floating point implementation on if you have +# hardware floating point or prefer your software floating point implementation. +option FLOATING_ARITHMETIC on + +# This is not strictly necessary, but without it the message strings in the API +# will not be filled in +option ERROR_TEXT on + +# Switching these options on enables the 'AFIRST' and 'BGR' formats - you don't +# need this if you don't use them, they just allow the in-memory layout to be +# changed to match common hardware formats. +option SIMPLIFIED_READ_AFIRST on +option SIMPLIFIED_READ_BGR on |