more zero-length changes for svg compatibility

src/core/SkStroke.cpp

Index: src/core/SkStroke.cpp
diff --git a/src/core/SkStroke.cpp b/src/core/SkStroke.cpp
index 1689f9730b008716e2217fb756953d2b48ede1b4..58f3ab503bc9c76b5013ec65e9a4a00f62ba9ed7 100644
--- a/src/core/SkStroke.cpp
+++ b/src/core/SkStroke.cpp
@@ -619,6 +619,7 @@ void SkPathStroker::conicTo(const SkPoint& pt1, const SkPoint& pt2, SkScalar wei
     SkPoint reduction;
     ReductionType reductionType = CheckConicLinear(conic, &reduction);
     if (kPoint_ReductionType == reductionType) {
+        this->lineTo(pt2);

[reed1, 2015/09/03 19:07:27]

Do we add a lineTo to trigger some follow-on heuristic? Can we comment why we do
this?

[caryclark, 2015/09/03 19:37:57]

Added comment (done)

         return;
     }
     if (kLine_ReductionType == reductionType) {
@@ -653,6 +654,7 @@ void SkPathStroker::quadTo(const SkPoint& pt1, const SkPoint& pt2) {
     SkPoint reduction;
     ReductionType reductionType = CheckQuadLinear(quad, &reduction);
     if (kPoint_ReductionType == reductionType) {
+        this->lineTo(pt2);
         return;
     }
     if (kLine_ReductionType == reductionType) {
@@ -1168,6 +1170,7 @@ void SkPathStroker::cubicTo(const SkPoint& pt1, const SkPoint& pt2,
     const SkPoint* tangentPt;
     ReductionType reductionType = CheckCubicLinear(cubic, reduction, &tangentPt);
     if (kPoint_ReductionType == reductionType) {
+        this->lineTo(pt3);
         return;
     }
     if (kLine_ReductionType == reductionType) {