From 65850f5e169d070b8d9bbe6deed13070612136c7 Mon Sep 17 00:00:00 2001
From: Rob Richardson <robrich@robrich.org>
Date: Fri, 30 Dec 2016 01:49:37 -0700
Subject: [PATCH] use the bigger of the element's size and the scroll size,
 captures data from overflow:auto elements

---
 lib/webshot.phantom.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/webshot.phantom.js b/lib/webshot.phantom.js
index 7147cdb..56410e1 100644
--- a/lib/webshot.phantom.js
+++ b/lib/webshot.phantom.js
@@ -98,14 +98,14 @@ var _takeScreenshot = function(status) {
       // Handle captureSelector option
       page.clipRect = page.evaluate(function(selector, zoomFactor) {
         try {
-          var selectorClipRect =
-            document.querySelector(selector).getBoundingClientRect();
+          var selectorElem = document.querySelector(selector);
+          var selectorClipRect = selectorElem.getBoundingClientRect();
 
           return {
               top: selectorClipRect.top * zoomFactor
             , left: selectorClipRect.left * zoomFactor
-            , width: selectorClipRect.width * zoomFactor
-            , height: selectorClipRect.height * zoomFactor
+            , width: Math.max(selectorClipRect.width, selectorElem.scrollWidth) * zoomFactor
+            , height: Math.max(selectorClipRect.height, selectorElem.scrollHeight) * zoomFactor
           };
         } catch (e) {
           throw new Error("Unable to fetch bounds for element " + selector);