diff --git a/include/ui/Region.h b/include/ui/Region.h
new file mode 100644
index 0000000..7689673
--- /dev/null
+++ b/include/ui/Region.h
@@ -0,0 +1,174 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_UI_REGION_H
+#define ANDROID_UI_REGION_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Vector.h>
+#include <utils/Parcel.h>
+
+#include <ui/Rect.h>
+
+#include <hardware/copybit.h>
+
+#include <core/SkRegion.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+class String8;
+
+// ---------------------------------------------------------------------------
+class Region
+{
+public:
+                        Region();
+                        Region(const Region& rhs);
+    explicit            Region(const SkRegion& rhs);
+    explicit            Region(const Rect& rhs);
+    explicit            Region(const Parcel& parcel);
+    explicit            Region(const void* buffer);
+                        ~Region();
+                        
+        Region& operator = (const Region& rhs);
+
+    inline  bool        isEmpty() const     { return mRegion.isEmpty(); }
+    inline  bool        isRect() const      { return mRegion.isRect(); }
+
+            Rect        bounds() const;
+
+            const SkRegion& toSkRegion() const;
+
+            void        clear();
+            void        set(const Rect& r);
+        
+            Region&     orSelf(const Rect& rhs);
+            Region&     andSelf(const Rect& rhs);
+
+            // boolean operators, applied on this
+            Region&     orSelf(const Region& rhs);
+            Region&     andSelf(const Region& rhs);
+            Region&     subtractSelf(const Region& rhs);
+
+            // these translate rhs first
+            Region&     translateSelf(int dx, int dy);
+            Region&     orSelf(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);
+
+            // boolean operators
+            Region      merge(const Region& rhs) const;
+            Region      intersect(const Region& rhs) const;
+            Region      subtract(const Region& rhs) const;
+
+            // these translate rhs first
+            Region      translate(int dx, int dy) const;
+            Region      merge(const Region& rhs, int dx, int dy) const;
+            Region      intersect(const Region& rhs, int dx, int dy) const;
+            Region      subtract(const Region& rhs, int dx, int dy) const;
+
+    // convenience operators overloads
+    inline  Region      operator | (const Region& rhs) const;
+    inline  Region      operator & (const Region& rhs) const;
+    inline  Region      operator - (const Region& rhs) const;
+    inline  Region      operator + (const Point& pt) const;
+
+    inline  Region&     operator |= (const Region& rhs);
+    inline  Region&     operator &= (const Region& rhs);
+    inline  Region&     operator -= (const Region& rhs);
+    inline  Region&     operator += (const Point& pt);
+
+    class iterator {
+        SkRegion::Iterator  mIt;
+    public:
+        iterator(const Region& r);
+        inline operator bool () const { return !done(); }
+        int iterate(Rect* rect);
+    private:
+        inline bool done() const {
+            return const_cast<SkRegion::Iterator&>(mIt).done();
+        }
+    };
+
+            size_t      rects(Vector<Rect>& rectList) const;
+
+            // flatten/unflatten a region to/from a Parcel
+            status_t    write(Parcel& parcel) const;
+            status_t    read(const Parcel& parcel);
+
+            // flatten/unflatten a region to/from a raw buffer
+            ssize_t     write(void* buffer, size_t size) const;
+    static  ssize_t     writeEmpty(void* buffer, size_t size);
+
+            ssize_t     read(const void* buffer);
+    static  bool        isEmpty(void* buffer);
+
+    void        dump(String8& out, const char* what, uint32_t flags=0) const;
+    void        dump(const char* what, uint32_t flags=0) const;
+
+private:
+    SkRegion    mRegion;
+};
+
+
+Region Region::operator | (const Region& rhs) const {
+    return merge(rhs);
+}
+Region Region::operator & (const Region& rhs) const {
+    return intersect(rhs);
+}
+Region Region::operator - (const Region& rhs) const {
+    return subtract(rhs);
+}
+Region Region::operator + (const Point& pt) const {
+    return translate(pt.x, pt.y);
+}
+
+
+Region& Region::operator |= (const Region& rhs) {
+    return orSelf(rhs);
+}
+Region& Region::operator &= (const Region& rhs) {
+    return andSelf(rhs);
+}
+Region& Region::operator -= (const Region& rhs) {
+    return subtractSelf(rhs);
+}
+Region& Region::operator += (const Point& pt) {
+    return translateSelf(pt.x, pt.y);
+}
+
+// ---------------------------------------------------------------------------
+
+struct region_iterator : public copybit_region_t {
+    region_iterator(const Region& region) : i(region) {
+        this->next = iterate;
+    }
+private:
+    static int iterate(copybit_region_t const * self, copybit_rect_t* rect) {
+        return static_cast<const region_iterator*>(self)
+        ->i.iterate(reinterpret_cast<Rect*>(rect));
+    }
+    mutable Region::iterator i;
+};
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_UI_REGION_H
+