From 271a8f2b29d87d12c81d03e3f1e2c05b816a138d Mon Sep 17 00:00:00 2001
From: Pushkar Joshi
Date: Wed, 29 Feb 2012 11:50:41 -0800
Subject: prevent extremely long path rendering (temporary fix)

---
 js/helper-classes/RDGE/GLBrushStroke.js | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'js')

diff --git a/js/helper-classes/RDGE/GLBrushStroke.js b/js/helper-classes/RDGE/GLBrushStroke.js
index 07a4a039..5d773c2d 100755
--- a/js/helper-classes/RDGE/GLBrushStroke.js
+++ b/js/helper-classes/RDGE/GLBrushStroke.js
@@ -38,6 +38,9 @@ function GLBrushStroke() {
     //smaller value means more samples for the path
     this._WETNESS_FACTOR = 0.25;
 
+    //prevent extremely long paths that can take a long time to render
+    this._MAX_ALLOWED_SAMPLES = 500;
+
     //drawing context
     this._world = null;
 
@@ -159,6 +162,12 @@ function GLBrushStroke() {
                     prevPt=pt;
                     //update numPoints to match the new length
                     numPoints = this._Points.length;
+
+                    //end this function if the numPoints has gone above the max. size specified
+                    if (numPoints> this._MAX_ALLOWED_SAMPLES){
+                        console.log("leaving the resampling because numPoints is greater than limit:"+this._MAX_ALLOWED_SAMPLES);
+                        break;
+                    }
                 }
             }
 
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