X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph-canvas.js;h=6bf5fbcb457e187bb089ce0b93f395e1d9d6423f;hb=bacf5ce283d6871ce1c090f29bf5411341622248;hp=78c0464e7b0ea29ef06582900e32cd0089ec0e95;hpb=0e85a43784f5fbe26300b872177b033a3aec7655;p=dygraphs.git

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index 78c0464..6bf5fbc 100644
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -25,7 +25,7 @@
  */
 
 /*jshint globalstrict: true */
-/*global Dygraph:false,RGBColorParser:false */
+/*global Dygraph:false */
 "use strict";
 
 
@@ -59,7 +59,7 @@ var DygraphCanvasRenderer = function(dygraph, element, elementContext, layout) {
 
   // --- check whether everything is ok before we return
   // NOTE(konigsberg): isIE is never defined in this object. Bug of some sort.
-  if (!this.isIE && !(DygraphCanvasRenderer.isSupported(this.element)))
+  if (!this.isIE && !(Dygraph.isCanvasSupported(this.element)))
       throw "Canvas is not supported.";
 
   // internal state
@@ -118,30 +118,6 @@ DygraphCanvasRenderer.prototype.clear = function() {
 };
 
 /**
- * Checks whether the browser supports the <canvas> tag.
- * @private
- */
-DygraphCanvasRenderer.isSupported = function(canvasName) {
-  var canvas = null;
-  try {
-    if (typeof(canvasName) == 'undefined' || canvasName === null) {
-      canvas = document.createElement("canvas");
-    } else {
-      canvas = canvasName;
-    }
-    canvas.getContext("2d");
-  }
-  catch (e) {
-    var ie = navigator.appVersion.match(/MSIE (\d\.\d)/);
-    var opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
-    if ((!ie) || (ie[1] < 6) || (opera))
-      return false;
-    return true;
-  }
-  return true;
-};
-
-/**
  * This method is responsible for drawing everything on the chart, including
  * lines, error bars, fills and axes.
  * It is called immediately after clear() on every frame, including during pans
@@ -586,7 +562,7 @@ DygraphCanvasRenderer._errorPlotter = function(e) {
 
   var fillGraph = g.getBooleanOption("fillGraph", setName);
   if (fillGraph) {
-    g.warn("Can't use fillGraph option with error bars");
+    Dygraph.warn("Can't use fillGraph option with error bars");
   }
 
   var ctx = e.drawingContext;
@@ -606,7 +582,7 @@ DygraphCanvasRenderer._errorPlotter = function(e) {
   var prevY = NaN;
   var prevYs = [-1, -1];
   // should be same color as the lines but only 15% opaque.
-  var rgb = new RGBColorParser(color);
+  var rgb = Dygraph.toRGB_(color);
   var err_color =
       'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + fillAlpha + ')';
   ctx.fillStyle = err_color;
@@ -732,7 +708,7 @@ DygraphCanvasRenderer._fillPlotter = function(e) {
     var prevYs = [-1, -1];
     var newYs;
     // should be same color as the lines but only 15% opaque.
-    var rgb = new RGBColorParser(color);
+    var rgb = Dygraph.toRGB_(color);
     var err_color =
         'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + fillAlpha + ')';
     ctx.fillStyle = err_color;