
/*
 * CINELERRA
 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
 * 
 * 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
 * 
 */

#ifndef OVERLAYFRAME_INC
#define OVERLAYFRAME_INC

// Modes

#define TRANSFER_TYPES 8

#define TRANSFER_NORMAL       0
#define TRANSFER_ADDITION     1
#define TRANSFER_SUBTRACT     2
#define TRANSFER_MULTIPLY     3
#define TRANSFER_DIVIDE       4
#define TRANSFER_REPLACE      5
#define TRANSFER_MAX          6
#define TRANSFER_MIN          7

// Interpolation types


#define NEAREST_NEIGHBOR 0        // Nearest for enlargement and reduction
#define CUBIC_CUBIC      1        // Catmull-Rom
#define CUBIC_LINEAR     2        // not supported anymore
#define LINEAR_LINEAR    3        // not supported anymore
#define LANCZOS_LANCZOS  4        // not used

class OverlayFrame;

#endif
