fix non-square stroke rects (non-aa)

gm/strokerect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkPath.h"
@@ skipping 92 matching lines @@
                 acr.restore();
                 canvas->translate(0, H + 2 * STROKE_WIDTH);
             }
             paint.setStyle(SkPaint::kStrokeAndFill_Style);
         }
     }
 
 private:
     typedef GM INHERITED;
 };
+DEF_GM(return new StrokeRectGM;)
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
-DEF_GM(return new StrokeRectGM;)
+/*
+ *  Exercise rect-stroking (which is specialized from paths) when the resulting stroke-width is
+ *  non-square. See https://bugs.chromium.org/p/skia/issues/detail?id=5408
+ */
+DEF_SIMPLE_GM(strokerect_anisotropic_5408, canvas, 200, 50) {
+    SkPaint p;
+    p.setStyle(SkPaint::kStroke_Style);
+    p.setStrokeWidth(6);
+
+    canvas->scale(10, 1);
+    SkRect r = SkRect::MakeXYWH(5, 20, 10, 10);
+    canvas->drawRect(r, p);
+}