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/*
* pixelblending_types.h
* types pixelblending
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef PIXELBLENDING_TYPES_H
#define PIXELBLENDING_TYPES_H
/* #include "blender.h" */
/* Threshold for a 'full' pixel: pixels with alpha above this level are */
/* considered opaque This is the decimal value for 0xFFF0 / 0xFFFF */
#define RE_FULL_COLOUR_FLOAT 0.9998
/* Threshold for an 'empty' pixel: pixels with alpha above this level are */
/* considered completely transparent. This is the decimal value */
/* for 0x000F / 0xFFFF */
#define RE_EMPTY_COLOUR_FLOAT 0.0002
/* A 100% pixel. Sometimes, seems to be too little.... Hm....... */
#define RE_UNITY_COLOUR_FLOAT 1.0
/* A 0% pixel. I wonder how 0 the 0.0 is... */
#define RE_ZERO_COLOUR_FLOAT 0.0
/* threshold for alpha */
#define RE_FULL_ALPHA_FLOAT 0.9998
/* Same set of defines for shorts */
#define RE_FULL_COLOUR_SHORT 0xFFF0
#define RE_EMPTY_COLOUR_SHORT 0x0000
#endif /* PIXELBLENDING_EXT_H */
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