diff -r 4c7a353cf583 -r c8ecddbd99e9 src/editmodes/curvemode.cpp
--- a/src/editmodes/curvemode.cpp	Sat Jan 28 14:13:01 2017 +0200
+++ b/src/editmodes/curvemode.cpp	Sat Jan 28 14:14:28 2017 +0200
@@ -25,36 +25,36 @@
 
 void CurveMode::render (QPainter& painter) const
 {
-	if (length(m_drawedVerts) >= 1)
+	if (countof(m_drawedVerts) >= 1)
 	{
 		Vertex curve[4];
 		QPoint curve2d[4];
 
-		for (int i = 0; i < qMin (length(curve), length(m_drawedVerts)); ++i)
+		for (int i = 0; i < qMin (countof(curve), countof(m_drawedVerts)); ++i)
 			curve[i] = m_drawedVerts[i];
 
 		// Factor the cursor into the preview
-		if (length(m_drawedVerts) < 4)
-			curve[length(m_drawedVerts)] = getCursorVertex();
+		if (countof(m_drawedVerts) < 4)
+			curve[countof(m_drawedVerts)] = getCursorVertex();
 
 		// Default the control points to the first vertex position
-		if (length(m_drawedVerts) < 2)
+		if (countof(m_drawedVerts) < 2)
 			curve[2] = curve[0];
 
-		if (length(m_drawedVerts) < 3)
+		if (countof(m_drawedVerts) < 3)
 			curve[3] = curve[2];
 
-		for (int i = 0; i < length(curve); ++i)
+		for (int i = 0; i < countof(curve); ++i)
 			curve2d[i] = renderer()->convert3dTo2d (curve[i]);
 
 		painter.setPen (QColor (0, 112, 112));
-		if (length(m_drawedVerts) >= 2)
+		if (countof(m_drawedVerts) >= 2)
 			painter.drawLine (curve2d[0], curve2d[2]);
 
-		if (length(m_drawedVerts) >= 3)
+		if (countof(m_drawedVerts) >= 3)
 			painter.drawLine (curve2d[1], curve2d[3]);
 
-		for (int i = 0; i < qMin (length(curve), length(m_drawedVerts) + 1); ++i)
+		for (int i = 0; i < qMin (countof(curve), countof(m_drawedVerts) + 1); ++i)
 		{
 			if (i < 2)
 				renderer()->drawPoint (painter, curve2d[i]);
@@ -84,7 +84,7 @@
 
 void CurveMode::endDraw()
 {
-	if (length(m_drawedVerts) == 4)
+	if (countof(m_drawedVerts) == 4)
 	{
 		LDObjectList objs;
 		objs << LDSpawn<LDBezierCurve> (m_drawedVerts[0], m_drawedVerts[1], m_drawedVerts[2], m_drawedVerts[3]);