a segment doesn't necessarily have a matching tangent. Check for this when

2005-10-02  Simon Budig  <simon@gimp.org>

	* app/vectors/gimpbezierstroke.c: a segment doesn't necessarily
	have a matching tangent. Check for this when iterating over all
	segments of a path...

	* app/vectors/gimpstroke.c: fix the dispatch of
	_nearest_intersection_get().

ChangeLog

+2005-10-02  Simon Budig  <simon@gimp.org>
+
+	* app/vectors/gimpbezierstroke.c: a segment doesn't necessarily
+	have a matching tangent. Check for this when iterating over all
+	segments of a path...
+
+	* app/vectors/gimpstroke.c: fix the dispatch of
+	_nearest_intersection_get().
+
 2005-10-02  Simon Budig  <simon@gimp.org>
 
 	* app/vectors/gimpbezierstroke.c: correctly pass back the

app/vectors/gimpbezierstroke.c

@@ -881,7 +881,7 @@ gimp_bezier_stroke_nearest_tangent_get (const GimpStroke  *stroke,
                                                                  precision,
                                                                  &point, &pos);
 
-          if (dist < min_dist || min_dist < 0)
+          if (dist >= 0 && (dist < min_dist || min_dist < 0))
             {
               min_dist = dist;
               if (ret_pos)
@@ -920,7 +920,7 @@ gimp_bezier_stroke_nearest_tangent_get (const GimpStroke  *stroke,
                                                              precision,
                                                              &point, &pos);
 
-      if (dist < min_dist || min_dist < 0)
+      if (dist >= 0 && (dist < min_dist || min_dist < 0))
         {
           min_dist = dist;
           if (ret_pos)

app/vectors/gimpstroke.c

@@ -469,15 +469,15 @@ gimp_stroke_nearest_intersection_get (const GimpStroke      *stroke,
   g_return_val_if_fail (coords1 != NULL, FALSE);
   g_return_val_if_fail (direction != NULL, FALSE);
 
-  if (GIMP_STROKE_GET_CLASS (stroke)->nearest_tangent_get)
-    return GIMP_STROKE_GET_CLASS (stroke)->nearest_tangent_get (stroke,
-                                                                coords1,
-                                                                direction,
-                                                                precision,
-                                                                nearest,
-                                                                ret_segment_start,
-                                                                ret_segment_end,
-                                                                ret_pos);
+  if (GIMP_STROKE_GET_CLASS (stroke)->nearest_intersection_get)
+    return GIMP_STROKE_GET_CLASS (stroke)->nearest_intersection_get (stroke,
+                                                                     coords1,
+                                                                     direction,
+                                                                     precision,
+                                                                     nearest,
+                                                                     ret_segment_start,
+                                                                     ret_segment_end,
+                                                                     ret_pos);
   return -1;
 }