Convert visual layers to scene nodes.

src/visual_elements/MaterialNode.cpp

@@ -0,0 +1,37 @@
+#include "MaterialNode.h"
+
+MaterialNode::MaterialNode(const DiscretePoint& location)
+    : AbstractVisualNode(location),
+        mFillColor(Color(255, 255, 255)),
+        mStrokeColor(Color(0, 0, 0))
+{
+
+}
+
+const Color& MaterialNode::getFillColor() const
+{
+    return mFillColor;
+}
+
+const Color& MaterialNode::getStrokeColor() const
+{
+    return mStrokeColor;
+}
+
+void MaterialNode::setFillColor(const Color& color)
+{
+    if (mFillColor != color)
+    {
+        mMaterialIsDirty = true;
+        mFillColor = color;
+    }
+}
+
+void MaterialNode::setStrokeColor(const Color&  color)
+{
+    if (mStrokeColor != color)
+    {
+        mMaterialIsDirty = true;
+        mStrokeColor = color;
+    }
+}