From e5d2237829163a723f2591ba787a5f08ee1f4f5b Mon Sep 17 00:00:00 2001
From: David Schnur <dnschnur@gmail.com>
Date: Sat, 21 Dec 2013 05:42:26 -0800
Subject: [PATCH] Use floor instead of round for better sub-pixel accuracy.

---
 jquery.flot.crosshair.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/jquery.flot.crosshair.js b/jquery.flot.crosshair.js
index 9aaf677..16e321e 100644
--- a/jquery.flot.crosshair.js
+++ b/jquery.flot.crosshair.js
@@ -147,12 +147,12 @@ The plugin also adds four public methods:
 
                 ctx.beginPath();
                 if (c.mode.indexOf("x") != -1) {
-                    var drawX = Math.round(crosshair.x) + adj;
+                    var drawX = Math.floor(crosshair.x) + adj;
                     ctx.moveTo(drawX, 0);
                     ctx.lineTo(drawX, plot.height());
                 }
                 if (c.mode.indexOf("y") != -1) {
-                    var drawY = Math.round(crosshair.y) + adj;
+                    var drawY = Math.floor(crosshair.y) + adj;
                     ctx.moveTo(0, drawY);
                     ctx.lineTo(plot.width(), drawY);
                 }