Bug 685322 - Create explicit conversion constructors for Rect and Point taking IntRect and IntPoint. r=roc

gfx/2d/Point.h

@@ -45,26 +45,21 @@
 namespace mozilla {
 namespace gfx {
 
-struct Point :
-  public BasePoint<Float, Point> {
-  typedef BasePoint<Float, Point> Super;
-  Point() : Super() {}
-  Point(Float aX, Float aY) : Super(aX, aY) {}
-};
-
 struct IntPoint :
-  public BasePoint<int32_t, Point> {
-  typedef BasePoint<int32_t, Point> Super;
+  public BasePoint<int32_t, IntPoint> {
+  typedef BasePoint<int32_t, IntPoint> Super;
+
   IntPoint() : Super() {}
   IntPoint(int32_t aX, int32_t aY) : Super(aX, aY) {}
 };
 
-struct Size :
-  public BaseSize<Float, Size> {
-  typedef BaseSize<Float, Size> Super;
+struct Point :
+  public BasePoint<Float, Point> {
+  typedef BasePoint<Float, Point> Super;
 
-  Size() : Super() {}
-  Size(Float aWidth, Float aHeight) : Super(aWidth, aHeight) {}
+  Point() : Super() {}
+  Point(Float aX, Float aY) : Super(aX, aY) {}
+  Point(const IntPoint& point) : Super(point.x, point.y) {}
 };
 
 struct IntSize :
@@ -75,6 +70,15 @@ struct IntSize :
   IntSize(int32_t aWidth, int32_t aHeight) : Super(aWidth, aHeight) {}
 };
 
+struct Size :
+  public BaseSize<Float, Size> {
+  typedef BaseSize<Float, Size> Super;
+
+  Size() : Super() {}
+  Size(Float aWidth, Float aHeight) : Super(aWidth, aHeight) {}
+  explicit Size(const IntSize& size) : Super(size.width, size.height) {}
+};
+
 }
 }
 

gfx/2d/Rect.h

@@ -55,17 +55,6 @@ struct Margin :
     : Super(aLeft, aTop, aRight, aBottom) {}
 };
 
-struct Rect :
-    public BaseRect<Float, Rect, Point, Size, Margin> {
-    typedef BaseRect<Float, Rect, Point, mozilla::gfx::Size, Margin> Super;
-
-    Rect() : Super() {}
-    Rect(Point aPos, mozilla::gfx::Size aSize) :
-        Super(aPos, aSize) {}
-    Rect(Float _x, Float _y, Float _width, Float _height) :
-        Super(_x, _y, _width, _height) {}
-};
-
 struct IntRect :
     public BaseRect<int32_t, IntRect, IntPoint, IntSize, Margin> {
     typedef BaseRect<int32_t, IntRect, IntPoint, mozilla::gfx::IntSize, Margin> Super;
@@ -77,6 +66,19 @@ struct IntRect :
         Super(_x, _y, _width, _height) {}
 };
 
+struct Rect :
+    public BaseRect<Float, Rect, Point, Size, Margin> {
+    typedef BaseRect<Float, Rect, Point, mozilla::gfx::Size, Margin> Super;
+
+    Rect() : Super() {}
+    Rect(Point aPos, mozilla::gfx::Size aSize) :
+        Super(aPos, aSize) {}
+    Rect(Float _x, Float _y, Float _width, Float _height) :
+        Super(_x, _y, _width, _height) {}
+    explicit Rect(const IntRect& rect) :
+        Super(rect.x, rect.y, rect.width, rect.height) {}
+};
+
 }
 }