X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-canvas.js;h=e5939d0a13f220e4b4012f521267c1f6ec3a7cab;hb=41273327c7eb2aaa777194f48516e69784aef7f1;hp=ff291e5db633874c829342faca327855505a1a48;hpb=52faf8b75dc38edc022f2c725d25dad9c66fba8c;p=dygraphs.git

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index ff291e5..e5939d0 100644
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -692,6 +692,7 @@ DygraphCanvasRenderer.prototype._drawStyledLine = function(
   if (!Dygraph.isArrayLike(strokePattern)) {
     strokePattern = null;
   }
+  var drawGapPoints = this.dygraph_.attr_('drawGapPoints', setName);
 
   var point;
   var next = DygraphCanvasRenderer.makeNextPointStep_(
@@ -715,6 +716,14 @@ DygraphCanvasRenderer.prototype._drawStyledLine = function(
       // and next points are null.
       var isIsolated = (!prevX && (j == points.length - 1 ||
                                    isNullOrNaN(points[j+1].canvasy)));
+      if (drawGapPoints) {
+        // Also consider a point to be is "isolated" if it's adjacent to a
+        // null point, excluding the graph edges.
+        if ((j > 0 && !prevX) ||
+            (j < points.length - 1 && isNullOrNaN(points[j+1].canvasy))) {
+          isIsolated = true;
+        }
+      }
       if (prevX === null) {
         prevX = point.canvasx;
         prevY = point.canvasy;