Update text rendering.

src/base/geometry/Transform.h

@@ -31,6 +31,21 @@ public:
       return !operator==(rhs);
     }
 
+    bool hasDefaultLocation() const
+    {
+        return mLocation.getX() == 0.0 && mLocation.getY() == 0.0 && mLocation.getZ() == 0.0;
+    }
+
+    bool hasDefaultScale() const
+    {
+        return mScaleX == 1.0 && mScaleY == 1.0 && mScaleZ == 1.0;
+    }
+
+    bool isDefaultTransform() const
+    {
+        return hasDefaultLocation() && hasDefaultScale();
+    }
+
 private:
     Point mLocation;
     double mScaleX{1};