D2d offscreen rendering finish up.

src/geometry/Transform.cpp

@@ -8,3 +8,23 @@ Transform::Transform(const Point& location, double scaleX, double scaleY, double
 {
 
 }
+
+const Point& Transform::getLocation() const
+{
+    return mLocation;
+}
+
+double Transform::getScaleX() const
+{
+    return mScaleX;
+}
+
+double Transform::getScaleY() const
+{
+    return mScaleY;
+}
+
+double Transform::getScaleZ() const
+{
+    return mScaleZ;
+}