From 181cec4348da40331b3e8ab365732c025ec149b2 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Wed, 27 Apr 2011 19:24:15 +0200 Subject: Import upstream version 0.11.0~svn1143 --- rgb.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 rgb.c (limited to 'rgb.c') diff --git a/rgb.c b/rgb.c new file mode 100644 index 0000000..089635b --- /dev/null +++ b/rgb.c @@ -0,0 +1,64 @@ +/* $Id: rgb.c 1091 2010-01-21 04:26:24Z michael $ + * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/rgb.c $ + * + * generic color handling + * + * Copyright (C) 2005 Michael Reinelt + * Copyright (C) 2005 The LCD4Linux Team + * + * 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 "config.h" + +#include +#include + +#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; +} -- cgit v1.2.3