diff --git a/libs/ui/Region.cpp b/libs/ui/Region.cpp
index fe4ae6c..8150931 100644
--- a/libs/ui/Region.cpp
+++ b/libs/ui/Region.cpp
@@ -325,6 +325,20 @@
     return *this;
 }
 
+Region& Region::scaleSelf(int sx, int sy) {
+    size_t count = mStorage.size();
+    Rect* rects = mStorage.editArray();
+    while (count) {
+        rects->left *= sx;
+        rects->right *= sx;
+        rects->top *= sy;
+        rects->bottom *= sy;
+        rects++;
+        count--;
+    }
+    return *this;
+}
+
 // ----------------------------------------------------------------------------
 
 const Region Region::merge(const Rect& rhs) const {
diff --git a/libs/ui/Transform.cpp b/libs/ui/Transform.cpp
index 8e949ec..25128ef 100644
--- a/libs/ui/Transform.cpp
+++ b/libs/ui/Transform.cpp
@@ -95,6 +95,14 @@
     return mMatrix[2][1];
 }
 
+float Transform::sx() const {
+    return mMatrix[0][0];
+}
+
+float Transform::sy() const {
+    return mMatrix[1][1];
+}
+
 void Transform::reset() {
     mType = IDENTITY;
     for(size_t i = 0; i < 3; i++) {
diff --git a/libs/ui/include/ui/Region.h b/libs/ui/include/ui/Region.h
index 68b60fc..c5e31c5 100644
--- a/libs/ui/include/ui/Region.h
+++ b/libs/ui/include/ui/Region.h
@@ -89,11 +89,13 @@
 
             // these translate rhs first
             Region&     translateSelf(int dx, int dy);
+            Region&     scaleSelf(int sx, int sy);
             Region&     orSelf(const Region& rhs, int dx, int dy);
             Region&     xorSelf(const Region& rhs, int dx, int dy);
             Region&     andSelf(const Region& rhs, int dx, int dy);
             Region&     subtractSelf(const Region& rhs, int dx, int dy);
 
+
             // these translate rhs first
     const   Region      translate(int dx, int dy) const WARN_UNUSED;
     const   Region      merge(const Region& rhs, int dx, int dy) const WARN_UNUSED;
diff --git a/libs/ui/include/ui/Transform.h b/libs/ui/include/ui/Transform.h
index 42dca75..900a5c4 100644
--- a/libs/ui/include/ui/Transform.h
+++ b/libs/ui/include/ui/Transform.h
@@ -65,6 +65,8 @@
     const vec3& operator [] (size_t i) const;  // returns column i
     float   tx() const;
     float   ty() const;
+    float   sx() const;
+    float   sy() const;
 
     // modify the transform
     void        reset();