1 files changed, 50 insertions, 0 deletions
diff --git a/include/basegfx/range/b2irange.hxx b/include/basegfx/range/b2irange.hxx
index 7a07229906af..65756dfb7600 100644
--- a/include/basegfx/range/b2irange.hxx
+++ b/include/basegfx/range/b2irange.hxx
@@ -178,6 +178,15 @@ namespace basegfx
                 );
         }
 
+        /// return center point of set. returns (0,0) for empty sets.
+        B2DPoint getCenter() const
+        {
+            return B2DPoint(
+                maRangeX.getCenter(),
+                maRangeY.getCenter()
+                );
+        }
+
         /// yields true if given point is contained in set
         bool isInside(const B2ITuple& rTuple) const
         {
@@ -187,6 +196,33 @@ namespace basegfx
                 );
         }
 
+        /// yields true if rRange is inside, or equal to set
+        bool isInside(const B2IRange& rRange) const
+        {
+            return (
+                maRangeX.isInside(rRange.maRangeX)
+                && maRangeY.isInside(rRange.maRangeY)
+                );
+        }
+
+        /// yields true if rRange at least partly inside set
+        bool overlaps(const B2IRange& rRange) const
+        {
+            return (
+                maRangeX.overlaps(rRange.maRangeX)
+                && maRangeY.overlaps(rRange.maRangeY)
+                );
+        }
+
+        /// yields true if overlaps(rRange) does, and the overlap is larger than infinitesimal
+        bool overlapsMore(const B2IRange& rRange) const
+        {
+            return (
+                maRangeX.overlapsMore(rRange.maRangeX)
+                && maRangeY.overlapsMore(rRange.maRangeY)
+                );
+        }
+
         /// add point to the set, expanding as necessary
         void expand(const B2ITuple& rTuple)
         {
@@ -194,6 +230,13 @@ namespace basegfx
             maRangeY.expand(rTuple.getY());
         }
 
+        /// add rRange to the set, expanding as necessary
+        void expand(const B2IRange& rRange)
+        {
+            maRangeX.expand(rRange.maRangeX);
+            maRangeY.expand(rRange.maRangeY);
+        }
+
         /// calc set intersection
         void intersect(const B2IRange& rRange)
         {
@@ -201,6 +244,13 @@ namespace basegfx
             maRangeY.intersect(rRange.maRangeY);
         }
 
+        /// grow set by nValue on all sides
+        void grow(sal_Int32 nValue)
+        {
+            maRangeX.grow(nValue);
+            maRangeY.grow(nValue);
+        }
+
     private:
         typedef ::basegfx::BasicRange< ValueType, TraitsType >  MyBasicRange;