From: dooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Mon, 11 Feb 2008 20:22:42 +0000 (+0000)
Subject: Fix 1891391: Inserting a vertex in the closing link of a looped bline while still... 
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=f8bc4d2360809daabbf66dbbebd92295b911bbaa;p=synfig.git

Fix 1891391: Inserting a vertex in the closing link of a looped bline while still in the bline tool was putting the new vertex in the wrong place.


git-svn-id: http://svn.voria.com/code@1676 1f10aa63-cdf2-0310-b900-c93c546f37ac
---

diff --git a/synfig-studio/trunk/src/gtkmm/state_bline.cpp b/synfig-studio/trunk/src/gtkmm/state_bline.cpp
index 0a010f1..56d1b6d 100644
--- a/synfig-studio/trunk/src/gtkmm/state_bline.cpp
+++ b/synfig-studio/trunk/src/gtkmm/state_bline.cpp
@@ -1271,27 +1271,24 @@ StateBLine_Context::bline_insert_vertex(synfig::ValueNode_Const::Handle value_no
 	for(iter=bline_point_list.begin();iter!=bline_point_list.end();++iter)
 		if(*iter==value_node)
 		{
-			list<ValueNode_Const::Handle>::iterator prev(iter);
-			--prev;
-
 			BLinePoint bline_point;
-
 			BLinePoint next_bline_point((*iter)->get_value().get(BLinePoint()));
 			BLinePoint prev_bline_point;
 
-			if(iter!=bline_point_list.begin())
-			{
-				prev_bline_point=(*prev)->get_value().get(BLinePoint());
-			}
-			else
+			list<ValueNode_Const::Handle>::iterator prev(iter);
+			if(iter==bline_point_list.begin())
 			{
-				prev_bline_point.set_vertex(Point(0,0));
-				prev_bline_point.set_width(next_bline_point.get_width());
-				prev_bline_point.set_origin(0.5);
-				prev_bline_point.set_split_tangent_flag(false);
+				assert(loop_);
+				prev = bline_point_list.end();
 			}
+			prev--;
+
+			prev_bline_point=(*prev)->get_value().get(BLinePoint());
 
-			etl::hermite<Vector> curve(prev_bline_point.get_vertex(),next_bline_point.get_vertex(),prev_bline_point.get_tangent2(),next_bline_point.get_tangent1());
+			etl::hermite<Vector> curve(prev_bline_point.get_vertex(),
+									   next_bline_point.get_vertex(),
+									   prev_bline_point.get_tangent2(),
+									   next_bline_point.get_tangent1());
 			etl::derivative< etl::hermite<Vector> > deriv(curve);
 
 			bline_point.set_vertex(curve(origin));