From 3440aa4344160d1721889ec6ee9dc53578f8248a Mon Sep 17 00:00:00 2001
From: SteveSandersonMS <stevesa@microsoft.com>
Date: Tue, 7 Jun 2016 16:06:15 +0100
Subject: [PATCH] Switch image resizing example from 'jimp' to 'sharp' because
 it's far faster

---
 .../NodeServicesExamples/Node/resizeImage.js   | 18 ++++++------------
 .../Views/Home/ImageResizing.cshtml            |  9 ++++++++-
 samples/misc/NodeServicesExamples/package.json |  2 +-
 3 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/samples/misc/NodeServicesExamples/Node/resizeImage.js b/samples/misc/NodeServicesExamples/Node/resizeImage.js
index 119f94a..9f3d9bf 100644
--- a/samples/misc/NodeServicesExamples/Node/resizeImage.js
+++ b/samples/misc/NodeServicesExamples/Node/resizeImage.js
@@ -1,15 +1,9 @@
-var Jimp = require('jimp');
+var sharp = require('sharp');
 
 module.exports = function(cb, physicalPath, mimeType, maxWidth, maxHeight) {
-    Jimp.read(physicalPath, function (err, loadedImage) {
-        if (err) {
-            cb(err);
-        }
-
-        loadedImage
-            .contain(maxWidth > 0 ? maxWidth : Jimp.AUTO, maxHeight > 0 ? maxHeight : Jimp.AUTO)
-            .getBuffer(mimeType, function(err, buffer) {
-                cb(err, { base64: buffer && buffer.toString('base64') });
-            });
-    });
+    sharp(physicalPath)
+        .resize(maxWidth > 0 ? maxWidth : null, maxHeight > 0 ? maxHeight : null)
+        .toBuffer(function (err, buffer) {
+            cb(err, { base64: buffer && buffer.toString('base64') });
+        });
 }
diff --git a/samples/misc/NodeServicesExamples/Views/Home/ImageResizing.cshtml b/samples/misc/NodeServicesExamples/Views/Home/ImageResizing.cshtml
index 1ff36af..28652d8 100644
--- a/samples/misc/NodeServicesExamples/Views/Home/ImageResizing.cshtml
+++ b/samples/misc/NodeServicesExamples/Views/Home/ImageResizing.cshtml
@@ -1,12 +1,19 @@
 <h1>Image Resizing</h1>
 
 <p>
-    This sample shows how the NPM module <a href="https://www.npmjs.com/package/jimp"><code>jimp</code></a>
+    This sample shows how the NPM module <a href="https://www.npmjs.com/package/sharp"><code>sharp</code></a>
     can be used for dynamic image resizing from within an ASP.NET Core application. There is one copy of the
     following image on disk, but we can set up an MVC action method that returns it resized to fit within an
     arbitrary width and height.
 </p>
 
+<p>
+    <strong>Dependencies:</strong> On Windows and Linux, there are no native dependencies. Just running
+    <code>npm install</code> is enough. On OS X, however, you need to have <code>libvips</code> installed,
+    which you can get through <a href="http://brew.sh/">Homebrew</a> by running
+    <code>brew install homebrew/science/vips</code>.
+</p>
+
 <p>
     <em><a href="https://www.flickr.com/photos/dcoetzee/3572948635">Parrot</a>
     by <a href="https://www.flickr.com/photos/dcoetzee/">D Coetzee</a>
diff --git a/samples/misc/NodeServicesExamples/package.json b/samples/misc/NodeServicesExamples/package.json
index 5c987b4..6f6640d 100644
--- a/samples/misc/NodeServicesExamples/package.json
+++ b/samples/misc/NodeServicesExamples/package.json
@@ -4,6 +4,6 @@
   "dependencies": {
     "babel-core": "^6.7.4",
     "babel-preset-es2015": "^6.6.0",
-    "jimp": "^0.2.24"
+    "sharp": "^0.15.0"
   }
 }