Simplified version for reverse manipulation Scale convert types ducks

[synfig.git] / synfig-core / trunk / src / synfig / valuenode_scale.cpp

diff --git a/synfig-core/trunk/src/synfig/valuenode_scale.cpp b/synfig-core/trunk/src/synfig/valuenode_scale.cpp
index a0bba53..25b3822 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_scale.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_scale.cpp
@@ -141,6 +141,21 @@ synfig::ValueNode_Scale::operator()(Time t)const
        return ValueBase();
 }
 
+synfig::ValueBase
+synfig::ValueNode_Scale::operator()(Time t, const synfig::Point &target_value)const
+{
+       Real scalar_value((*scalar)(t).get(Real()));
+       if(scalar_value==0)
+               return (*value_node)(t).get(value_node->get_type());
+       switch (get_type())
+       case ValueBase::TYPE_REAL:
+               return target_value.mag() / scalar_value;
+       case ValueBase::TYPE_ANGLE:
+               return Angle::tan(target_value[1] / scalar_value ,target_value[0] / scalar_value);
+       default:
+               return target_value / scalar_value;
+}
+
 
 bool
 ValueNode_Scale::set_link_vfunc(int i,ValueNode::Handle value)