Add Pdirection()

git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@586 9d0c8265-081b-0410-96cb-a4ca84ce46f8

1 files changed, 9 insertions, 0 deletions

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