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6d5d1055ea
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@840 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/* $Id$
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* $URL$
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*
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* generic color handling
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*
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* Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
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* Copyright (C) 2005 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
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*
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* This file is part of LCD4Linux.
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*
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* LCD4Linux is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* LCD4Linux is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "rgb.h"
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int color2RGBA(const char *color, RGBA * C)
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{
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char *e;
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unsigned long l;
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if (color == NULL || *color == '\0') {
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return -1;
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}
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l = strtoul(color, &e, 16);
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if (e != NULL && *e != '\0') {
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return -1;
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}
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if (strlen(color) == 8) {
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/* RGBA */
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C->R = (l >> 24) & 0xff;
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C->G = (l >> 16) & 0xff;
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C->B = (l >> 8) & 0xff;
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C->A = (l >> 0) & 0xff;
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} else {
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/* RGB */
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C->R = (l >> 16) & 0xff;
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C->G = (l >> 8) & 0xff;
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C->B = l & 0xff;
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C->A = 0xff;
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}
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return 0;
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}
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