Some simple svg output.

src/web/svg/SvgShapeElement.cpp

@@ -21,7 +21,7 @@ void SvgShapeElement::setFill(const Color& fill)
     addAttribute(std::move(attr));
 }
 
-void SvgShapeElement::setStrokeWidth(unsigned width)
+void SvgShapeElement::setStrokeWidth(double width)
 {
     auto attr = std::make_unique<XmlAttribute>("stroke-width");
     attr->setValue(std::to_string(width));

src/web/svg/SvgShapeElement.h

@@ -10,7 +10,7 @@ public:
 
     void setFill(const Color& fill);
 
-    void setStrokeWidth(unsigned width);
+    void setStrokeWidth(double width);
 
     void setStrokeColor(const Color& stroke);
 

src/web/svg/elements/SvgShapeElements.cpp

@@ -83,3 +83,24 @@ void SvgPolygon::setPoints(const std::vector<DiscretePoint>& locs)
     addAttribute(std::move(points));
 }
 
+SvgPolyline::SvgPolyline()
+    : SvgShapeElement("polyline")
+{
+    auto fill = std::make_unique<XmlAttribute>("fill");
+    fill->setValue("none");
+    addAttribute(std::move(fill));
+}
+
+void SvgPolyline::setPoints(const std::vector<DiscretePoint>& locs)
+{
+    auto points = std::make_unique<XmlAttribute>("points");
+
+    std::stringstream sstr;
+    for (const auto& loc : locs)
+    {
+        sstr << loc.GetX() << "," << loc.GetY() << " ";
+    }
+    points->setValue(sstr.str());
+    addAttribute(std::move(points));
+}
+

src/web/svg/elements/SvgShapeElements.h

@@ -34,3 +34,11 @@ public:
 
     void setPoints(const std::vector<DiscretePoint>& loc);
 };
+
+class SvgPolyline : public SvgShapeElement
+{
+public:
+    SvgPolyline();
+
+    void setPoints(const std::vector<DiscretePoint>& loc);
+};