From d807fc8d15c9378c726fd6bfc1576734fb5b32c3 Mon Sep 17 00:00:00 2001
From: giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8>
Date: Thu, 21 Feb 2008 16:38:55 +0000
Subject: Add Pdirection()

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@586 9d0c8265-081b-0410-96cb-a4ca84ce46f8
---
 converter/other/pamtosvg/vector.c | 9 +++++++++
 converter/other/pamtosvg/vector.h | 4 ++++
 2 files changed, 13 insertions(+)

(limited to 'converter/other')

diff --git a/converter/other/pamtosvg/vector.c b/converter/other/pamtosvg/vector.c
index 43e1872e..e25c1068 100644
--- a/converter/other/pamtosvg/vector.c
+++ b/converter/other/pamtosvg/vector.c
@@ -235,6 +235,15 @@ Psubtract(float_coord const c1,
 
 
 
+vector_type
+Pdirection(float_coord const final,
+           float_coord const initial) {
+
+    return normalize(Psubtract(final, initial));
+}
+
+
+
 /* Operations on integer points.  */
 
 vector_type
diff --git a/converter/other/pamtosvg/vector.h b/converter/other/pamtosvg/vector.h
index b3a5454e..b5c85c38 100644
--- a/converter/other/pamtosvg/vector.h
+++ b/converter/other/pamtosvg/vector.h
@@ -64,6 +64,10 @@ float_coord
 Vsubtract_point(float_coord const,
                 vector_type const);
 
+vector_type
+Pdirection(float_coord const final,
+           float_coord const initial);
+
 /* This returns the rounded sum.  */
 #define IPadd_vector Vadd_int_point
 
-- 
cgit 1.4.1