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SRB2/libs/libpng-src/contrib/conftest/pngcp.dfa
Steel Titanium 312b9f76b6 Revert "Merge branch 'revert-eda30fc9' into 'master'"
This reverts merge request 
2019-10-30 10:37:22 +00:00

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# pngcp.dfa
# Build time configuration of libpng
#
# Author: John Bowler
# Copyright: (c) John Bowler, 2016
# 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 support for pngcp. This means just png_read_png,
# png_write_png and small number of configuration settings.
#
everything = off
# This option is specific to this configuration; it adds a #define to the
# generated pnglibconf.h which turns on the (not portable) timing option for
# pngcp. Note that any option is automatically preceded by PNG_; there is no
# way round this and this is deliberate.
option PNGCP_TIMING
# Because of the everything off above the option must also be turned on. This
# may not be done in one step because it is safer and avoids mis-spelled options
# in user .dfa files to error out if an unrecognized option is turned on.
option PNGCP_TIMING on
# Options to turn on png_read_png and png_write_png:
option INFO_IMAGE on
option SEQUENTIAL_READ on
option EASY_ACCESS on
option WRITE on
option WRITE_16BIT on
option WRITE_FILTER on
# pngcp needs this to preserve unknown chunks, switching all these on means that
# pngcp can work without explicit known chunk reading support
option UNKNOWN_CHUNKS on
option SET_UNKNOWN_CHUNKS on
option HANDLE_AS_UNKNOWN on
option SAVE_UNKNOWN_CHUNKS on
option WRITE_UNKNOWN_CHUNKS on
# pngcp needs this to handle palette files with invalid indices:
option CHECK_FOR_INVALID_INDEX on
option GET_PALETTE_MAX on
# Pre-libpng 1.7 pngcp has to stash text chunks manually, post 1.7 without this
# text chunks should be handled as unknown ok.
option TEXT on
# this is used to turn off limits:
option USER_LIMITS on
option SET_USER_LIMITS on
# these are just required for specific customizations
option WRITE_CUSTOMIZE_ZTXT_COMPRESSION on
option WRITE_CUSTOMIZE_COMPRESSION on