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author | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2006-01-30 05:47:38 +0000 |
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committer | reinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f> | 2006-01-30 05:47:38 +0000 |
commit | 2523e50fbb5a076f9535c18dcce9ed7a0716e28d (patch) | |
tree | e9b5c891e426a38a451e52fbd9ece443b5f59457 /rgb.c | |
parent | 5eca256613eb7e4fb476d5efa71a835af5bb5d06 (diff) | |
download | lcd4linux-2523e50fbb5a076f9535c18dcce9ed7a0716e28d.tar.gz |
[lcd4linux @ 2006-01-30 05:47:34 by reinelt]
graphic subsystem changed to full-color RGBA
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@626 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
Diffstat (limited to 'rgb.c')
-rw-r--r-- | rgb.c | 66 |
1 files changed, 66 insertions, 0 deletions
@@ -0,0 +1,66 @@ +/* $Id: rgb.c,v 1.1 2006/01/30 05:47:38 reinelt Exp $ + * + * 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. + * + * + * $Log: rgb.c,v $ + * Revision 1.1 2006/01/30 05:47:38 reinelt + * graphic subsystem changed to full-color RGBA + * + */ + + +#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; +} |