libui: Rename Rect::absolute to normalized and add a new absolute function

libui/include/ui/Rect.h

@@ -37,11 +37,27 @@ namespace ui
          */
         Point relative(Point pos);
 
+        /**
+         * @brief Transform a position relative to this rectangle to an absolute position.
+         *
+         * @param pos The original relative position.
+         * @return Point The absolute position.
+         */
+        Point absolute(Point pos);
+
+        /**
+         * @brief Transform another rectangle relative to this one to an absolute rectangle.
+         *
+         * @param rect The original relative rectangle.
+         * @return Point The absolute rectangle.
+         */
+        Rect absolute(Rect rect);
+
         /**
          * @brief Return a copy of this rectangle with no negative values (normalized to 0).
          *
          * @return Rect The new rectangle.
          */
-        Rect absolute();
+        Rect normalized();
     };
 }

libui/src/Rect.cpp

@@ -25,7 +25,19 @@ namespace ui
         return point;
     }
 
-    Rect Rect::absolute()
+    Point Rect::absolute(Point point)
+    {
+        point.x += pos.x;
+        point.y += pos.y;
+        return point;
+    }
+
+    Rect Rect::absolute(Rect rect)
+    {
+        return Rect { absolute(rect.pos), rect.width, rect.height };
+    }
+
+    Rect Rect::normalized()
     {
         return Rect { ui::Point { pos.x < 0 ? 0 : pos.x, pos.y < 0 ? 0 : pos.y }, width, height };
     }