1 files changed, 20 insertions, 12 deletions

diff --git a/linden/indra/llmath/llrect.h b/linden/indra/llmath/llrect.h
index 76b5a27..9aadf9f 100644
--- a/linden/indra/llmath/llrect.h
+++ b/linden/indra/llmath/llrect.h
@@ -152,68 +152,74 @@ public:
                            mBottom <= rect->mTop && rect->mBottom <= mTop ;
         }
 
-        void            set(Type left, Type top, Type right, Type bottom)
+        LLRectBase& set(Type left, Type top, Type right, Type bottom)
         {
                 mLeft = left;
                 mTop = top;
                 mRight = right;
                 mBottom = bottom;
+                return *this;
         }
 
         // Note: follows GL_QUAD conventions: the top and right edges are not considered part of the rect
-        void            setOriginAndSize( Type left, Type bottom, Type width, Type height)
+        LLRectBase& setOriginAndSize( Type left, Type bottom, Type width, Type height)
         {
                 mLeft = left;
                 mTop = bottom + height;
                 mRight = left + width;
                 mBottom = bottom;
+                return *this;
         }
 
         // Note: follows GL_QUAD conventions: the top and right edges are not considered part of the rect
-        void            setLeftTopAndSize( Type left, Type top, Type width, Type height)
+        LLRectBase& setLeftTopAndSize( Type left, Type top, Type width, Type height)
         {
                 mLeft = left;
                 mTop = top;
                 mRight = left + width;
                 mBottom = top - height;
+                return *this;
         }
 
-        void setCenterAndSize(Type x, Type y, Type width, Type height)
+        LLRectBase& setCenterAndSize(Type x, Type y, Type width, Type height)
         {
                 mLeft = x - width/2;
                 mTop = y + height/2;
                 mRight = x + width/2;
                 mBottom = y - height/2;
+                return *this;
         }
 
 
-        void            translate(Type horiz, Type vertical)
+        LLRectBase& translate(Type horiz, Type vertical)
         {
                 mLeft += horiz;
                 mRight += horiz;
                 mTop += vertical;
                 mBottom += vertical;
+                return *this;
         }
 
-        void    stretch( Type dx, Type dy)
+        LLRectBase& stretch( Type dx, Type dy)
         {
                 mLeft -= dx;
                 mRight += dx;
                 mTop += dy;
                 mBottom -= dy;
-                makeValid();
+                return makeValid();
         }
         
-        void    stretch( Type delta )
+        LLRectBase& stretch( Type delta )
         {
                 stretch(delta, delta);
-                
+                return *this;
         }
         
-        void  makeValid()
+        LLRectBase& makeValid()
         {
                 mLeft = llmin(mLeft, mRight);
                 mBottom = llmin(mBottom, mTop);
+                return *this;
         }
 
         bool isNull() const
@@ -221,15 +227,16 @@ public:
                 return mLeft == mRight || mBottom == mTop;
         }
 
-        void unionWith(const LLRectBase &other)
+        LLRectBase& unionWith(const LLRectBase &other)
         {
                 mLeft = llmin(mLeft, other.mLeft);
                 mRight = llmax(mRight, other.mRight);
                 mBottom = llmin(mBottom, other.mBottom);
                 mTop = llmax(mTop, other.mTop);
+                return *this;
         }
 
-        void intersectWith(const LLRectBase &other)
+        LLRectBase& intersectWith(const LLRectBase &other)
         {
                 mLeft = llmax(mLeft, other.mLeft);
                 mRight = llmin(mRight, other.mRight);
@@ -243,6 +250,7 @@ public:
                 {
                         mBottom = mTop;
                 }
+                return *this;
         }
 
         friend std::ostream &operator<<(std::ostream &s, const LLRectBase &rect)