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authorreinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>2006-01-30 05:47:38 +0000
committerreinelt <reinelt@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>2006-01-30 05:47:38 +0000
commit2523e50fbb5a076f9535c18dcce9ed7a0716e28d (patch)
treee9b5c891e426a38a451e52fbd9ece443b5f59457 /rgb.c
parent5eca256613eb7e4fb476d5efa71a835af5bb5d06 (diff)
downloadlcd4linux-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.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/rgb.c b/rgb.c
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--- /dev/null
+++ b/rgb.c
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+/* $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;
+}