Add optional debugging for calls to ValueNode_*::operator(). export SYNFIG_DEBUG_VAL...

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

diff --git a/synfig-core/trunk/src/synfig/valuenode_twotone.cpp b/synfig-core/trunk/src/synfig/valuenode_twotone.cpp
index 7148502..3c18ce0 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_twotone.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_twotone.cpp
@@ -88,6 +88,9 @@ synfig::ValueNode_TwoTone::~ValueNode_TwoTone()
 synfig::ValueBase
 synfig::ValueNode_TwoTone::operator()(Time t)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        return Gradient((*ref_a)(t).get(Color()),(*ref_b)(t).get(Color()));
 }