From a4a5f38b2fc76a0e33c87e86498239571d3aabe2 Mon Sep 17 00:00:00 2001
From: Vincent Brillault
Date: Mon, 16 Dec 2013 22:19:28 +0100
Subject: jsrrdgraph: CGP.js: split draw(id) into prepare_draw(id) and draw(id)

---
 js/CGP.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/js/CGP.js b/js/CGP.js
index 3c9ea90..add1a20 100644
--- a/js/CGP.js
+++ b/js/CGP.js
@@ -62,7 +62,7 @@ var mouse_scroll = function (e) {
 	return false;
 };
 
-function draw(id) {
+function prepare_draw(id) {
 	RrdGraph.prototype.mousex = 0;
 	RrdGraph.prototype.mousedown = false;
 
@@ -104,6 +104,12 @@ function draw(id) {
 	if (i === gfx.canvas.stlen) gfx.canvas.stidx = gfx.canvas.stlen-1;
 	else gfx.canvas.stidx = i;
 
+	return rrdgraph;
+}
+
+function draw(id) {
+	var rrdgraph = prepare_draw(id);
+
 	try {
 		rrdgraph.graph_paint();
 	} catch (e) {
-- 
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