/* * steghide 0.5.1 - a steganography program * Copyright (C) 1999-2003 Stefan Hetzl * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #include "RGBTriple.h" UWORD32 RGBTriple::calcDistance (const RGBTriple& t) const { int dr = (int) Red - (int) t.Red ; int dg = (int) Green - (int) t.Green ; int db = (int) Blue - (int) t.Blue ; return (UWORD32) (dr*dr + dg*dg + db*db) ; } bool RGBTriple::operator== (const RGBTriple& t) const { return ((Red == t.Red) && (Green == t.Green) && (Blue == t.Blue)) ; } bool RGBTriple::operator!= (const RGBTriple& t) const { return ((Red != t.Red) || (Green != t.Green) || (Blue != t.Blue)) ; }