[SVG] Paint unnormalized paths

third_party/WebKit/Source/core/svg/SVGPathBuilder.h

Index: third_party/WebKit/Source/core/svg/SVGPathBuilder.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPathBuilder.h b/third_party/WebKit/Source/core/svg/SVGPathBuilder.h
index 6cbe279fb5c1327aa4c667ce5fdce6158dad00c2..522bee4be769ae45792de594e70f13fd33d6a58c 100644
--- a/third_party/WebKit/Source/core/svg/SVGPathBuilder.h
+++ b/third_party/WebKit/Source/core/svg/SVGPathBuilder.h
@@ -25,19 +25,42 @@
 #define SVGPathBuilder_h
 
 #include "core/svg/SVGPathConsumer.h"
+#include "core/svg/SVGPathData.h"
+#include "platform/geometry/FloatPoint.h"
 
 namespace blink {
 
+class FloatSize;
 class Path;
 
 class SVGPathBuilder final : public SVGPathConsumer {
 public:
-    SVGPathBuilder(Path& path) : m_path(path) { }
+    SVGPathBuilder(Path& path)
+        : m_path(path)
+        // Starting in ClosePath state ensures correct handling of the first moveTo.
+        , m_lastCommand(PathSegClosePath)
+    { }
 
 private:
     void emitSegment(const PathSegmentData&) override;
 
+    void emitClose();
+    void emitMoveTo(const FloatPoint&);
+    void emitLineTo(const FloatPoint&);
+    void emitQuadTo(const FloatPoint&, const FloatPoint&);
+    void emitSmoothQuadTo(const FloatPoint&);
+    void emitCubicTo(const FloatPoint&, const FloatPoint&, const FloatPoint&);
+    void emitSmoothCubicTo(const FloatPoint&, const FloatPoint&);
+    void emitArcTo(const FloatPoint&, const FloatSize&, float, bool largeArc, bool sweep);
+
+    FloatPoint smoothControl(bool isSmooth) const;
+
     Path& m_path;
+
+    SVGPathSegType m_lastCommand;
+    FloatPoint m_subpathPoint;
+    FloatPoint m_currentPoint;
+    FloatPoint m_lastControlPoint;
 };
 
 } // namespace blink