add rect-output parameter to isRect, allowing us to return the correct bounds even if a rectagular …

src/core/SkStroke.cpp

 /*
  * Copyright 2008 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkStrokerPriv.h"
 #include "SkGeometry.h"
 #include "SkPath.h"
@@ skipping 531 matching lines @@
     SkScalar radius = SkScalarHalf(fWidth);
 
     AutoTmpPath tmp(src, &dst);
 
     if (radius <= 0) {
         return;
     }
 
     // If src is really a rect, call our specialty strokeRect() method
     {
+        SkRect rect;
         bool isClosed;
         SkPath::Direction dir;
-        if (src.isRect(&isClosed, &dir) && isClosed) {
-            this->strokeRect(src.getBounds(), dst, dir);
+        if (src.isRect(&rect, &isClosed, &dir) && isClosed) {
+            this->strokeRect(rect, dst, dir);
             // our answer should preserve the inverseness of the src
             if (src.isInverseFillType()) {
                 SkASSERT(!dst->isInverseFillType());
                 dst->toggleInverseFillType();
             }
             return;
         }
     }
 
     SkAutoConicToQuads converter;
@@ skipping 150 matching lines @@
         default:
             break;
     }
 
     if (fWidth < SkMinScalar(rw, rh) && !fDoFill) {
         r = rect;
         r.inset(radius, radius);
         dst->addRect(r, reverse_direction(dir));
     }
 }