1 files changed, 18 insertions, 0 deletions
diff --git a/EdgeProvider.h b/EdgeProvider.h
new file mode 100644
index 0000000..3a08829
--- /dev/null
+++ b/EdgeProvider.h
@@ -0,0 +1,18 @@
+#ifndef EDGEPROVIDER_H_
+#define EDGEPROVIDER_H_
+
+#include "Edge.h"
+
+
+class EdgeProvider {
+  public:
+    virtual ~EdgeProvider() {}
+    
+    virtual const Edge* getEdge(size_t id) const = 0;
+    virtual size_t getEdgeCount() const = 0;
+    
+    virtual void moveEdge(size_t id, float x, float y) {}
+    virtual void rotateEdge(size_t id, float a) {}
+};
+
+#endif /*EDGEPROVIDER_H_*/