mark method as const

Author: 3nids

python/core/auto_generated/geometry/qgsrectangle.sip.in

@@ -185,7 +185,7 @@ Scale the rectangle around its center point.
 Scale the rectangle around its center point.
 %End
 
-    QgsRectangle scaled( double scaleFactor, const QgsPointXY *center = 0 );
+    QgsRectangle scaled( double scaleFactor, const QgsPointXY *center = 0 ) const;
 %Docstring
 Scale the rectangle around its ``center`` point.
 

src/core/geometry/qgsrectangle.cpp

@@ -58,7 +58,7 @@ QgsRectangle QgsRectangle::fromCenterAndSize( QgsPointXY center, double width, d
   return QgsRectangle( xMin, yMin, xMax, yMax );
 }
 
-QgsRectangle QgsRectangle::scaled( double scaleFactor, const QgsPointXY *center )
+QgsRectangle QgsRectangle::scaled( double scaleFactor, const QgsPointXY *center ) const
 {
   QgsRectangle scaledRect = QgsRectangle( *this );
   scaledRect.scale( scaleFactor, center );

src/core/geometry/qgsrectangle.h

@@ -265,7 +265,7 @@ class CORE_EXPORT QgsRectangle
      * Scale the rectangle around its \a center point.
      * \since QGIS 3.4
      */
-    QgsRectangle scaled( double scaleFactor, const QgsPointXY *center = nullptr );
+    QgsRectangle scaled( double scaleFactor, const QgsPointXY *center = nullptr ) const;
 
     /**
      * Grows the rectangle in place by the specified amount.