Change linking parameters in BLine points

[synfig.git] / synfig-core / src / synfig / blinepoint.cpp

diff --git a/synfig-core/src/synfig/blinepoint.cpp b/synfig-core/src/synfig/blinepoint.cpp
index 4291bbf..83e004d 100644 (file)
--- a/synfig-core/src/synfig/blinepoint.cpp
+++ b/synfig-core/src/synfig/blinepoint.cpp
@@ -49,15 +49,22 @@ using namespace synfig;
 void
 synfig::BLinePoint::reverse()
 {
-       if(split_tangent_)
-       {
-               std::swap(tangent_[0],tangent_[1]);
-               tangent_[0]=-tangent_[0];
-               tangent_[1]=-tangent_[1];
-       }
-       else
-       {
-               tangent_[0]=-tangent_[0];
-               tangent_[1]=-tangent_[1];
-       }
+       std::swap(tangent_[0],tangent_[1]);
+       tangent_[0]=-tangent_[0];
+       tangent_[1]=-tangent_[1];
+}
+
+void
+synfig::BLinePoint::normalize(int i)
+{
+       //i is the number of the tangent to modify
+       //other tangent is (1-i)
+       split_tangent_=(!link_radius_ && !link_theta_);
+       if (link_radius_ && link_theta_)
+               tangent_[i]=tangent_[1-i];
+    else if (link_radius_)
+               tangent_[i]=tangent_[i].norm()*tangent_[1-i].mag();
+    else if (link_theta_)
+               tangent_[i]=tangent_[1-i].norm()*tangent_[i].mag();
+
 }