Add outline rendering.

src/geometry/Transform.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include "Point.h"
+
+class Transform
+{
+public:
+    Transform(const Point& location = {}, double scaleX = 1.0, double scaleY = 1.0, double scaleZ = 1.0);
+
+    const Point& getLocation() const
+    {
+        return mLocation;
+    }
+
+    double getScaleX() const
+    {
+        return mScaleX;
+    }
+
+    double getScaleY() const
+    {
+        return mScaleY;
+    }
+
+    double getScaleZ() const
+    {
+        return mScaleZ;
+    }
+
+    bool operator==(const Transform& rhs) const
+    {
+       return (mLocation == rhs.mLocation)
+       && (mScaleX == rhs.mScaleX)
+       && (mScaleY == rhs.mScaleY)
+       && (mScaleZ == rhs.mScaleZ);
+    }
+    bool operator!=(const Transform& rhs) const
+    {
+      return !operator==(rhs);
+    }
+
+private:
+    Point mLocation;
+    double mScaleX{1};
+    double mScaleY{1};
+    double mScaleZ{1};
+};