if ((change & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0)
{
mode = PNG_ALPHA_OPTIMIZED;
change &= ~PNG_FORMAT_FLAG_ASSOCIATED_ALPHA;
}
if ((change & PNG_FORMAT_FLAG_ASSOCIATED_ALPHA) != 0)
{
mode = PNG_ALPHA_OPTIMIZED;
change &= ~PNG_FORMAT_FLAG_ASSOCIATED_ALPHA;
}
/* If 'do_local_background' is set check for the presence of gamma
* correction; this is part of the work-round for the libpng bug
* described above.
/* If 'do_local_background' is set check for the presence of gamma
* correction; this is part of the work-round for the libpng bug
* described above.