Add SkPath::isLastContourClosed()

src/core/SkPath.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 "SkBuffer.h"
 #include "SkCubicClipper.h"
 #include "SkErrorInternals.h"
@@ skipping 300 matching lines @@
     this->resetFields();
 }
 
 void SkPath::rewind() {
     SkDEBUGCODE(this->validate();)
 
     SkPathRef::Rewind(&fPathRef);
     this->resetFields();
 }
 
+bool SkPath::isClosed() const {
+    int verbCount = fPathRef->countVerbs();
+    if (0 == verbCount)

[reed1, 2016/01/20 16:41:41]

nit: skia always uses { }

if (0 == verbCount) {
    return false;
}

[fs, 2016/01/20 17:24:43]

Done.

+        return false;
+    return kClose_Verb == fPathRef->atVerb(verbCount - 1);
+}
+
 bool SkPath::isLine(SkPoint line[2]) const {
     int verbCount = fPathRef->countVerbs();
 
     if (2 == verbCount) {
         SkASSERT(kMove_Verb == fPathRef->atVerb(0));
         if (kLine_Verb == fPathRef->atVerb(1)) {
             SkASSERT(2 == fPathRef->countPoints());
             if (line) {
                 const SkPoint* pts = fPathRef->points();
                 line[0] = pts[0];
@@ skipping 2753 matching lines @@
         }
     } while (!done);
     return SkToBool(tangents.count()) ^ isInverse;
 }
 
 int SkPath::ConvertConicToQuads(const SkPoint& p0, const SkPoint& p1, const SkPoint& p2,
                                 SkScalar w, SkPoint pts[], int pow2) {
     const SkConic conic(p0, p1, p2, w);
     return conic.chopIntoQuadsPOW2(pts, pow2);
 }