bugfix

src/nodes/draw/drawNode.cpp

@@ -52,7 +52,7 @@ void DrawNode::work()
                 // printf("Node %s push data to %s\n", name_.c_str(), output_buffer.first.c_str());
                 output_buffer.second->push(metaData);
             }
-            printf(metaData->depth.size() > 0 ? "depth size: %d\n" : "depth size: 0\n", metaData->depth.size());
+            std::cout << "depth map size : " << metaData->depth.size() << std::endl;
         }
         if (!has_data) {
             printf("draw wait data");