first commit

core/Size.cpp

@@ -0,0 +1,35 @@
+#include "Size.h"
+
+Size::Size(
+        PointType width,
+        PointType height
+)
+{
+    m_Width = width;
+    m_Height = height;
+}
+
+Size::PointType Size::width() const
+{
+    return m_Width;
+}
+
+Size::PointType Size::height() const
+{
+    return m_Height;
+}
+
+Size::PointType& Size::width()
+{
+    return m_Width;
+}
+
+Size::PointType& Size::height()
+{
+    return m_Height;
+}
+
+Size::PointType Size::area() const
+{
+    return m_Width * m_Height;
+}