fix non-square stroke rects (non-aa)

src/core/SkScan_Hairline.cpp

 /*
  * Copyright 2006 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 "SkScan.h"
 #include "SkBlitter.h"
 #include "SkMathPriv.h"
@@ skipping 623 matching lines @@
 
     const SkScalar dx = strokeSize.fX;
     const SkScalar dy = strokeSize.fY;
     SkScalar rx = SkScalarHalf(dx);
     SkScalar ry = SkScalarHalf(dy);
     SkRect   outer, tmp;
 
     outer.set(r.fLeft - rx, r.fTop - ry,
                 r.fRight + rx, r.fBottom + ry);
 
-    if (r.width() <= dx || r.height() <= dx) {
+    if (r.width() <= dx || r.height() <= dy) {
         SkScan::FillRect(outer, clip, blitter);
         return;
     }
 
     tmp.set(outer.fLeft, outer.fTop, outer.fRight, outer.fTop + dy);
     SkScan::FillRect(tmp, clip, blitter);
     tmp.fTop = outer.fBottom - dy;
     tmp.fBottom = outer.fBottom;
     SkScan::FillRect(tmp, clip, blitter);
 
@@ skipping 37 matching lines @@
 
         SkAAClipBlitterWrapper wrap;
         if (!clip.quickContains(r.roundOut().makeOutset(1, 1))) {
             wrap.init(clip, blitter);
             blitter = wrap.getBlitter();
             clipRgn = &wrap.getRgn();
         }
         AntiHairLineRgn(pts, count, clipRgn, blitter);
     }
 }