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

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

diff --git a/synfig-core/trunk/src/synfig/valuenode_gradientrotate.cpp b/synfig-core/trunk/src/synfig/valuenode_gradientrotate.cpp
index 642856d..3e06bfc 100644 (file)
--- a/synfig-core/trunk/src/synfig/valuenode_gradientrotate.cpp
+++ b/synfig-core/trunk/src/synfig/valuenode_gradientrotate.cpp
@@ -91,6 +91,9 @@ synfig::ValueNode_GradientRotate::~ValueNode_GradientRotate()
 synfig::ValueBase
 synfig::ValueNode_GradientRotate::operator()(Time t)const
 {
+       if (getenv("SYNFIG_DEBUG_VALUENODE_OPERATORS"))
+               printf("%s:%d operator()\n", __FILE__, __LINE__);
+
        Gradient gradient;
        gradient=(*ref_gradient)(t).get(gradient);
        Real offset((*ref_offset)(t).get(Real()));