Add function to find a point for a certain offset

1 files changed, 1 insertions, 1 deletions

diff --git a/geometry.h b/geometry.h
index 509ec7e..049fba4 100644
--- a/geometry.h
+++ b/geometry.h
@@ -15,4 +15,4 @@ typedef struct {
 // range 0..65536 (but can extend, if normale hits line outside line segment)
 int dist_pl(LPoint const * p, LLine const * l, int * offs);
 int dist_pp(LPoint const * p0, LPoint const * p1);
-
+int get_x_for_y(LPoint const * p0, LPoint const * p1, int y);