History
From XnView Wiki
Version : GFL SDK v2.66 Copyright (c) : 1991-2009 Pierre-E Gougelet. All Rights Reserved.
GFL v2.54 (LIBFORMAT v4.57) 15/03/2006:
Fixed : Many bugs & improved Added : in GFL_LOAD_PARAMS, PNGComposeWithAlpha & WMFHighResolution Added : gflReduceNoise Added : gflSetTransparentColor Fixed : Many bugs & improved speed