path_stroke_with_zero_length: turn off drawFat() by default.

gm/path_stroke_with_zero_length.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPath.h"
 #include "SkStream.h"
 #include "gm.h"
@@ skipping 73 matching lines @@
         bkgrnd.setColor(SK_ColorWHITE);
         canvas->drawRect(SkRect::MakeIWH(onISize().fWidth, onISize().fHeight), bkgrnd);
 
          auto drawPaths = [&](SkPaint& paint, int indexMask) {
             canvas->translate(0, 30.0f);
             int index = 0;
             for (const SkPath& path : fPaths) {
                 if (indexMask & (1 << index)) {
                     canvas->drawPath(path, paint);
                 }
-                if (paint.getStrokeWidth() < 2) {
+                if (this->getMode() == skiagm::GM::kSample_Mode && paint.getStrokeWidth() < 2) {
                     drawFat(canvas, path, paint, index);
                 }
                 ++index;
             }
         };
 
         if (false) { // debugging variant that draws a single element
             SkScalar width = 0;
             bool antialias = true;
 
@@ skipping 81 matching lines @@
                     + (index >= 5 ? 5 : 0)) / scale, (bounds.fTop - 20 + 420) / scale);
             canvas->restore();
         }
     }
 
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new StrokeZeroGM(); )