1 files changed, 66 insertions, 0 deletions
diff --git a/dom/svg/SVGLineElement.h b/dom/svg/SVGLineElement.h
new file mode 100644
index 0000000000..f2bafa4a36
--- /dev/null
+++ b/dom/svg/SVGLineElement.h
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_SVGLineElement_h
+#define mozilla_dom_SVGLineElement_h
+
+#include "nsSVGPathGeometryElement.h"
+#include "nsSVGLength2.h"
+
+nsresult NS_NewSVGLineElement(nsIContent **aResult,
+                              already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+namespace mozilla {
+namespace dom {
+
+typedef nsSVGPathGeometryElement SVGLineElementBase;
+
+class SVGLineElement final : public SVGLineElementBase
+{
+protected:
+  explicit SVGLineElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+  virtual JSObject* WrapNode(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
+  friend nsresult (::NS_NewSVGLineElement(nsIContent **aResult,
+                                          already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
+  // If the input line has length zero and linecaps aren't butt, adjust |aX2| by
+  // a tiny amount to a barely-nonzero-length line that all of our draw targets
+  // will render
+  void MaybeAdjustForZeroLength(float aX1, float aY1, float& aX2, float aY2);
+
+public:
+  // nsIContent interface
+  NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const override;
+
+  // nsSVGPathGeometryElement methods:
+  virtual bool IsMarkable() override { return true; }
+  virtual void GetMarkPoints(nsTArray<nsSVGMark> *aMarks) override;
+  virtual void GetAsSimplePath(SimplePath* aSimplePath) override;
+  virtual already_AddRefed<Path> BuildPath(PathBuilder* aBuilder) override;
+  virtual bool GetGeometryBounds(Rect* aBounds, const StrokeOptions& aStrokeOptions,
+                                 const Matrix& aToBoundsSpace,
+                                 const Matrix* aToNonScalingStrokeSpace = nullptr) override;
+
+  virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
+
+  // WebIDL
+  already_AddRefed<SVGAnimatedLength> X1();
+  already_AddRefed<SVGAnimatedLength> Y1();
+  already_AddRefed<SVGAnimatedLength> X2();
+  already_AddRefed<SVGAnimatedLength> Y2();
+
+protected:
+
+  virtual LengthAttributesInfo GetLengthInfo() override;
+
+  enum { ATTR_X1, ATTR_Y1, ATTR_X2, ATTR_Y2 };
+  nsSVGLength2 mLengthAttributes[4];
+  static LengthInfo sLengthInfo[4];
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_SVGLineElement_h