commit to continue in my home.

Also I remove some of the #if 0.

1 files changed, 131 insertions, 0 deletions

diff --git a/source/blender/blenfont/intern/blf_util.c b/source/blender/blenfont/intern/blf_util.c
new file mode 100644
index 00000000000..a4ccbedc38b
--- /dev/null
+++ b/source/blender/blenfont/intern/blf_util.c
@@ -0,0 +1,131 @@
+/**
+ * $Id:
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program 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
+ * of the License, or (at your option) any later version. 
+ *
+ * This program 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2009 Blender Foundation.
+ * All rights reserved.
+ *
+ * 
+ * Contributor(s): Blender Foundation
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+unsigned int blf_next_p2(unsigned int x)
+{
+	x -= 1;
+	x |= (x >> 16);
+	x |= (x >> 8);
+	x |= (x >> 4);
+	x |= (x >> 2);
+	x |= (x >> 1);
+	x += 1;
+	return(x);
+}
+
+unsigned int blf_hash(unsigned int val)
+{
+	unsigned int key;
+
+	key= val;
+	key += ~(key << 16);
+	key ^= (key >> 5);
+	key += (key << 3);
+	key ^= (key >> 13);
+	key += ~(key << 9);
+	key ^= (key >> 17);
+	return(key % 257);
+}
+
+/*
+ * This function is from Imlib2 library (font_main.c), a
+ * library that does image file loading and saving as well
+ * as rendering, manipulation, arbitrary polygon support, etc.
+ *
+ * Copyright (C) 2000 Carsten Haitzler and various contributors
+ * The original name: imlib_font_utf8_get_next
+ * more info here: http://docs.enlightenment.org/api/imlib2/html/
+ */
+int blf_utf8_next(unsigned char *buf, int *iindex)
+{
+	/* Reads UTF8 bytes from 'buf', starting at 'index' and
+	 * returns the code point of the next valid code point.
+	 * 'index' is updated ready for the next call.
+	 *
+	 * Returns 0 to indicate an error (e.g. invalid UTF8)
+	 */
+	int index= *iindex, r;
+	unsigned char d= buf[index++], d2, d3, d4;
+
+	if (!d)
+		return(0);
+
+	if (d < 0x80) {
+		*iindex= index;
+		return(d);
+	}
+
+	if ((d & 0xe0) == 0xc0) {
+		/* 2 byte */
+		d2= buf[index++];
+		if ((d2 & 0xc0) != 0x80)
+			return(0);
+		r= d & 0x1f; /* copy lower 5 */
+		r <<= 6;
+		r |= (d2 & 0x3f); /* copy lower 6 */
+	}
+	else if ((d & 0xf0) == 0xe0) {
+		/* 3 byte */
+		d2= buf[index++];
+		d3= buf[index++];
+
+		if ((d2 & 0xc0) != 0x80 || (d3 & 0xc0) != 0x80)
+			return(0);
+
+		r= d & 0x0f; /* copy lower 4 */
+		r <<= 6;
+		r |= (d2 & 0x3f);
+		r <<= 6;
+		r |= (d3 & 0x3f);
+	}
+	else {
+		/* 4 byte */
+		d2= buf[index++];
+		d3= buf[index++];
+		d4= buf[index++];
+
+		if ((d2 & 0xc0) != 0x80 || (d3 & 0xc0) != 0x80 ||
+		    (d4 & 0xc0) != 0x80)
+			return(0);
+
+		r= d & 0x0f; /* copy lower 4 */
+		r <<= 6;
+		r |= (d2 & 0x3f);
+		r <<= 6;
+		r |= (d3 & 0x3f);
+		r <<= 6;
+		r |= (d4 & 0x3f);
+	}
+	*iindex= index;
+	return(r);
+}