2 files changed, 37 insertions, 0 deletions
diff --git a/include/core/SkRect.h b/include/core/SkRect.h
index fbd9f7f502..00e0aaf576 100644
--- a/include/core/SkRect.h
+++ b/include/core/SkRect.h
@@ -27,6 +27,36 @@
 struct SkIRect {
     int32_t fLeft, fTop, fRight, fBottom;
 
+    static SkIRect MakeEmpty() {
+        SkIRect r;
+        r.setEmpty();
+        return r;
+    }
+    
+    static SkIRect MakeWH(int32_t w, int32_t h) {
+        SkIRect r;
+        r.set(0, 0, w, h);
+        return r;
+    }
+    
+    static SkIRect MakeSize(const SkISize& size) {
+        SkIRect r;
+        r.set(0, 0, size.width(), size.height());
+        return r;
+    }
+    
+    static SkIRect MakeLTRB(int32_t l, int32_t t, int32_t r, int32_t b) {
+        SkIRect rect;
+        rect.set(l, t, r, b);
+        return rect;
+    }
+    
+    static SkIRect MakeXYWH(int32_t x, int32_t y, int32_t w, int32_t h) {
+        SkIRect r;
+        r.set(x, y, x + w, y + h);
+        return r;
+    }
+    
     /** Return true if the rectangle's width or height are <= 0
     */
     bool isEmpty() const { return fLeft >= fRight || fTop >= fBottom; }
diff --git a/include/core/SkRegion.h b/include/core/SkRegion.h
index 8b15a893c8..103e2cc864 100644
--- a/include/core/SkRegion.h
+++ b/include/core/SkRegion.h
@@ -98,6 +98,13 @@ public:
     */
     bool    setRect(int32_t left, int32_t top, int32_t right, int32_t bottom);
 
+    /** Set this region to the union of an array of rects. This is generally
+        faster than calling region.op(rect, kUnion_Op) in a loop. If count is
+        0, then this region is set to the empty region.
+        @return true if the resulting region is non-empty
+     */
+    bool setRects(const SkIRect rects[], int count);
+    
     /** Set this region to the specified region, and return true if it is
         non-empty. */
     bool    setRegion(const SkRegion&);