increase subdivision for very large cubics

gm/strokefill.cpp

 /*
  * Copyright 2011 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 "SkPathPriv.h"
@@ skipping 313 matching lines @@
 
         r = SkRect::MakeXYWH(x + SkIntToScalar(310), y + SkIntToScalar(280), 
                              SkIntToScalar(100), SkIntToScalar(100));
         path4.reset();
         SkASSERT(!SkPathPriv::CheapComputeFirstDirection(path4, nullptr));
         path4.addRect(r, SkPath::kCW_Direction);
         SkASSERT(SkPathPriv::CheapIsFirstDirection(path4, SkPathPriv::kCW_FirstDirection));
         path4.moveTo(0, 0); // test for crbug.com/247770
         canvas->drawPath(path4, paint);
 }
+
+DEF_SIMPLE_GM(bug339297, canvas, 640, 480) {
+    SkPath path;
+    path.moveTo(-469515, -10354890);
+    path.cubicTo(771919.62f, -10411179, 2013360.1f, -10243774, 3195542.8f, -9860664);
+    path.lineTo(3195550, -9860655);
+    path.lineTo(3195539, -9860652);
+    path.lineTo(3195539, -9860652);
+    path.lineTo(3195539, -9860652);
+    path.cubicTo(2013358.1f, -10243761, 771919.25f, -10411166, -469513.84f, -10354877);
+    path.lineTo(-469515, -10354890);
+    path.close();
+
+    canvas->translate(258, 10365663);
+
+    SkPaint paint;
+    paint.setAntiAlias(true);
+    paint.setColor(SK_ColorBLACK);
+    paint.setStyle(SkPaint::kFill_Style);
+    canvas->drawPath(path, paint);
+
+    paint.setColor(SK_ColorRED);
+    paint.setStyle(SkPaint::kStroke_Style);
+    paint.setStrokeWidth(1);
+    canvas->drawPath(path, paint);
+}