X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-canvas.js;h=99ad493962b183b0a674367ec4ede451775fec65;hb=7bd1be5b6eb3ee09d7da9bb1ab7cd1b3ad5974bd;hp=b647b7a6716eac0332c5424ed3bff4456d869ba7;hpb=ff91a8e4a020453eb8543f9fa866ada9eb36fd7a;p=dygraphs.git

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index b647b7a..99ad493 100644
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -731,13 +731,21 @@ DygraphCanvasRenderer._fillPlotter = function(e) {
         'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + fillAlpha + ')';
     ctx.fillStyle = err_color;
     ctx.beginPath();
-    while(iter.hasNext) {
+    var last_x, is_first = true;
+    while (iter.hasNext) {
       var point = iter.next();
       if (!Dygraph.isOK(point.y)) {
         prevX = NaN;
         continue;
       }
       if (stackedGraph) {
+        if (!is_first && last_x == point.xval) {
+          continue;
+        } else {
+          is_first = false;
+          last_x = point.xval;
+        }
+
         currBaseline = baseline[point.canvasx];
         var lastY;
         if (currBaseline === undefined) {