From 6ac399e5aaab8ef856b30db9cce0a0b9831acbea Mon Sep 17 00:00:00 2001
From: WandererFan <wandererfan@gmail.com>
Date: Mon, 19 Jun 2017 14:12:57 -0400
Subject: [PATCH] Handle "floating" straight edges in Svg

BRep_Tool::Polygon3D assumes the edge has polygon representation -
ie already been "tesselated". this is not true for all edges,
especially "floating edges".
---
 src/Mod/Drawing/App/DrawingExport.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/Mod/Drawing/App/DrawingExport.cpp b/src/Mod/Drawing/App/DrawingExport.cpp
index fed8816aa0..cc3ad8728c 100644
--- a/src/Mod/Drawing/App/DrawingExport.cpp
+++ b/src/Mod/Drawing/App/DrawingExport.cpp
@@ -434,6 +434,19 @@ void SVGOutput::printGeneric(const BRepAdaptor_Curve& c, int id, std::ostream& o
             c = 'L';
         }
         out << "\" />" << endl;
+    } else if (c.GetType() == GeomAbs_Line) {
+        //BRep_Tool::Polygon3D assumes the edge has polygon representation - ie already been "tesselated"
+        //this is not true for all edges, especially "floating edges"
+        double f = c.FirstParameter();
+        double l = c.LastParameter();
+        gp_Pnt s = c.Value(f);
+        gp_Pnt e = c.Value(l);
+        char c = 'M';
+        out << "<path id= \"" /*<< ViewName*/ << id << "\" d=\" "; 
+        out << c << " " << s.X() << " " << s.Y()<< " " ; 
+        c = 'L';
+        out << c << " " << e.X() << " " << e.Y()<< " " ; 
+        out << "\" />" << endl;
     }
 }