zoneminder/src/zm_rgb.h

//
// ZoneMinder RGB Interface, $Date$, $Revision$
// Copyright (C) 2003, 2004, 2005, 2006  Philip Coombes
// 
// 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 ZM_RGB_H
#define ZM_RGB_H

typedef unsigned int Rgb;	// RGB colour type

#define RED(ptr)	(*(ptr))
#define GREEN(ptr)	(*(ptr+1))
#define BLUE(ptr)	(*(ptr+2))

#define WHITE	0xff
#define WHITE_R	0xff
#define WHITE_G	0xff
#define WHITE_B	0xff

#define BLACK	0x00
#define BLACK_R	0x00
#define BLACK_G	0x00
#define BLACK_B	0x00

#define RGB_WHITE	(0x00ffffff)
#define RGB_BLACK	(0x00000000)
#define RGB_RED		(0x00ff0000)
#define RGB_GREEN	(0x0000ff00)
#define RGB_BLUE	(0x000000ff)
#define RGB_ORANGE	(0x00ffa500)
#define RGB_PURPLE	(0x00800080)

#define RGB_VAL(v,c)	(((v)>>(16-((c)*8)))&0xff)
#define RGB_RED_VAL(v)		(((v)>>16)&0xff)
#define RGB_GREEN_VAL(v)	(((v)>>8)&0xff)
#define RGB_BLUE_VAL(v)		((v)&0xff)

#endif // ZM_RGB_H