From 0a171c099dc29436dc356b2791b2b677d0582d62 Mon Sep 17 00:00:00 2001
From: Dan Vanderkam <danvdk@gmail.com>
Date: Sat, 22 Nov 2014 01:38:57 -0500
Subject: [PATCH] fix linear regression tests

---
 tests/linear-regression-addseries.html |  8 ++++++--
 tests/linear-regression-fractions.html | 13 +++++++++----
 tests/linear-regression.html           |  8 ++++++--
 3 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/tests/linear-regression-addseries.html b/tests/linear-regression-addseries.html
index 5e79860..f44df53 100644
--- a/tests/linear-regression-addseries.html
+++ b/tests/linear-regression-addseries.html
@@ -88,6 +88,10 @@
         updateChart();
       }
 
+      function toHex(rgb) {
+        return 'rgb(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ')';
+      }
+
       function updateChart() {
         // Generate a new data set with the regression lines.
         var new_labels = [];
@@ -100,11 +104,11 @@
             // Darken the series by 50% to generate its regression.
             var label = labels[i] + " Regression";
             new_labels.push(label);
-            var c = new RGBColorParser(orig_colors[i - 1]);
+            var c = Dygraph.toRGB_(orig_colors[i - 1]);
             c.r = Math.floor(255 - 0.5 * (255 - c.r));
             c.g = Math.floor(255 - 0.5 * (255 - c.g));
             c.b = Math.floor(255 - 0.5 * (255 - c.b));
-            new_colors.push(c.toHex());
+            new_colors.push(toHex(c));
             new_opts[label] = {
               drawPoints: false,
               strokeWidth: 1.0
diff --git a/tests/linear-regression-fractions.html b/tests/linear-regression-fractions.html
index 253fa60..8b3a6d8 100644
--- a/tests/linear-regression-fractions.html
+++ b/tests/linear-regression-fractions.html
@@ -42,7 +42,8 @@
                 drawPoints: true,
                 strokeWidth: 0.0,
                 fractions: true,
-                errorBars: true
+                errorBars: true,
+                pointSize: 1
               }
           );
 
@@ -89,6 +90,10 @@
         g.updateOptions({});
       }
 
+      function toHex(rgb) {
+        return 'rgb(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ')';
+      }
+
       function drawLines(ctx, area, layout) {
         if (typeof(g) == 'undefined') return;  // won't be set on the initial draw.
 
@@ -110,14 +115,14 @@
           var p1 = g.toDomCoords(x1, y1);
           var p2 = g.toDomCoords(x2, y2);
 
-          var c = new RGBColorParser(g.getColors()[i - 1]);
+          var c = Dygraph.toRGB_(g.getColors()[i - 1]);
           c.r = Math.floor(255 - 0.5 * (255 - c.r));
           c.g = Math.floor(255 - 0.5 * (255 - c.g));
           c.b = Math.floor(255 - 0.5 * (255 - c.b));
-          var color = c.toHex();
+          var color = toHex(c);
           ctx.save();
           ctx.strokeStyle = color;
-          ctx.lineWidth = 1.0;
+          ctx.lineWidth = 2.0;
           ctx.beginPath();
           ctx.moveTo(p1[0], p1[1]);
           ctx.lineTo(p2[0], p2[1]);
diff --git a/tests/linear-regression.html b/tests/linear-regression.html
index d7c3700..41cfbf3 100644
--- a/tests/linear-regression.html
+++ b/tests/linear-regression.html
@@ -87,6 +87,10 @@
         g.updateOptions({});
       }
 
+      function toHex(rgb) {
+        return 'rgb(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ')';
+      }
+
       function drawLines(ctx, area, layout) {
         if (typeof(g) == 'undefined') return;  // won't be set on the initial draw.
 
@@ -104,11 +108,11 @@
           var p1 = g.toDomCoords(x1, y1);
           var p2 = g.toDomCoords(x2, y2);
 
-          var c = new RGBColorParser(g.getColors()[i - 1]);
+          var c = Dygraph.toRGB_(g.getColors()[i - 1]);
           c.r = Math.floor(255 - 0.5 * (255 - c.r));
           c.g = Math.floor(255 - 0.5 * (255 - c.g));
           c.b = Math.floor(255 - 0.5 * (255 - c.b));
-          var color = c.toHex();
+          var color = toHex(c);
           ctx.save();
           ctx.strokeStyle = color;
           ctx.lineWidth = 1.0;
-- 
2.7.4