randy408

if get_option('use_zlibng') == true
    cmake = import('cmake')
    zng_sp = cmake.subproject('zlib-ng')
    zng_dep = zng_sp.dependency('zlib')
    meson.override_dependency('zlib', zng_dep)
endif

randy408

/* Sets *fmt to a `SPNG_FMT_*` enum with the same color type and bit depth
   as the PNG with an alpha channel if the PNG has a tRNS chunk,
   if the color type is indexed the format will be `SPNG_FMT_RGBA8`
   useful for emulating the behavior of png_set_tRNS_to_alpha().
   note that SPNG_DECODE_TRNS is required to apply transparency
   which can be set unconditionally without triggering an error */
int spng_set_trns_fmt(spng_ctx *ctx, int *fmt)
{
   if(ctx == NULL || fmt == NULL) return 1;
   

randy408

/* This does not depend on libspng
   gcc -o spng_crc_fix -lz spng_crc_fix.c */

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <arpa/inet.h>
#include <limits.h>
#include <string.h>

randy408

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