From 24c9ce6e14838927cbd175eebd494d9ee7ecbe98 Mon Sep 17 00:00:00 2001
From: tamasmeszaros <meszaros.q@gmail.com>
Date: Tue, 26 Apr 2022 13:26:13 +0200
Subject: [PATCH] Fix the issue with point skipping in svg export

---
 src/libslic3r/Format/SL1_SVG.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/libslic3r/Format/SL1_SVG.cpp b/src/libslic3r/Format/SL1_SVG.cpp
index b679018142..46e5f2acb4 100644
--- a/src/libslic3r/Format/SL1_SVG.cpp
+++ b/src/libslic3r/Format/SL1_SVG.cpp
@@ -91,18 +91,17 @@ void append_svg(std::string &buf, const Polygon &poly)
     buf += decimal_from(c.x(), intbuf);
     buf += " "sv;
     buf += decimal_from(c.y(), intbuf);
-    buf += " m"sv;
+    buf += " l "sv;
 
     for (const Point &p : poly) {
         Point d = p - c;
-        c = p;
-        // FIXME: I cannot figure out why this produces broken geometries
-//        if (d.x() == 0 && d.y() == 0)
-//            continue;
+        if (d.x() == 0 && d.y() == 0)
+            continue;
         buf += " "sv;
         buf += decimal_from(d.x(), intbuf);
         buf += " "sv;
         buf += decimal_from(d.y(), intbuf);
+        c = p;
     }
     buf += " z\""sv; // mark path as closed
     buf += " />\n"sv;