bugfix: do not access begin/end point of empty paths (fa8b5a1) - dxfngc · BlinkenArea

src/layer.cpp

@@ -30,6 +30,14 @@ void Layer::improvePaths(double eqDist)
   bool change;
   double smallest, dist;
 
+  // remove empty paths
+  path = mPaths.begin();
+  while (path != mPaths.end())
+    if (path->mPoints.empty())
+      path = mPaths.erase(path);
+    else
+      ++path;
+
   // join paths with equal begin/end points
   do {
     change = false;


...	...	@@ -30,6 +30,14 @@ void Layer::improvePaths(double eqDist)
30	30	bool change;
31	31	double smallest, dist;
32	32
	33	+ // remove empty paths
	34	+ path = mPaths.begin();
	35	+ while (path != mPaths.end())
	36	+ if (path->mPoints.empty())
	37	+ path = mPaths.erase(path);
	38	+ else
	39	+ ++path;
	40	+
33	41	// join paths with equal begin/end points
34	42	do {
35	43	change = false;
36	44