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/* $Id: rgb.c 728 2007-01-14 11:14:38Z michael $
* $URL: https://ssl.bulix.org/svn/lcd4linux/branches/0.10.1/rgb.c $
*
* generic color handling
*
* Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at>
* Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
*
* This file is part of LCD4Linux.
*
* LCD4Linux 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, or (at your option)
* any later version.
*
* LCD4Linux 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdlib.h>
#include <string.h>
#include "rgb.h"
int color2RGBA(const char *color, RGBA * C)
{
char *e;
unsigned long l;
if (color == NULL || *color == '\0') {
return -1;
}
l = strtoul(color, &e, 16);
if (e != NULL && *e != '\0') {
return -1;
}
if (strlen(color) == 8) {
/* RGBA */
C->R = (l >> 24) & 0xff;
C->G = (l >> 16) & 0xff;
C->B = (l >> 8) & 0xff;
C->A = (l >> 0) & 0xff;
} else {
/* RGB */
C->R = (l >> 16) & 0xff;
C->G = (l >> 8) & 0xff;
C->B = l & 0xff;
C->A = 0xff;
}
return 0;
}
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