From 313ab4ed044a446acebc5c627ed5d8b320ed98c6 Mon Sep 17 00:00:00 2001
From: michuNEEO <michael@neeo.com>
Date: Tue, 18 Aug 2015 20:39:55 +0200
Subject: [PATCH] update toBuffer function, support RAW data

---
 README.md                 | 11 +++++++++++
 lib/ImagePrototypeInit.js |  7 +++++++
 2 files changed, 18 insertions(+)

diff --git a/README.md b/README.md
index 890a9429..bd8c327b 100644
--- a/README.md
+++ b/README.md
@@ -641,6 +641,7 @@ encoded data as a NodeJS Buffer object.
   - `"jpg"`
   - `"png"`
   - `"gif"`
+  - `"raw"`
 0. `params {Object}`: **Optional** Format-specific parameters (See below).
 0. `callback {Function(err, buffer)}`
 
@@ -685,6 +686,16 @@ The `params` object should have the following fields:
   channel of the pixel is above this threshold, this pixel will be considered
   as opaque; otherwise it will be transparent.
 
+##### RAW
+
+No `params` object is supported. The raw image returns an object which contains
+the following fields:
+
+ - `buffer {Buffer}`: Pixeldata
+ - `width {Integer}`: Image width
+ - `height {Integer}`: Image height
+
+
 #### Write to file
 
 Write encoded binary image data directly to a file.
diff --git a/lib/ImagePrototypeInit.js b/lib/ImagePrototypeInit.js
index d5c96d4c..d439fd8d 100644
--- a/lib/ImagePrototypeInit.js
+++ b/lib/ImagePrototypeInit.js
@@ -587,6 +587,13 @@
                             params.threshold,
                             encoderCb
                         );
+                    } else if (type === 'raw') {
+                        var rawImg = {
+                            buffer: that.__lwip.buffer(),
+                            width: that.__lwip.width(),
+                            height: that.__lwip.height()
+                        };
+                        encoderCb(null, rawImg);
                     } else throw Error('Unknown type \'' + type + '\'');
 
                     function encoderCb(err, buffer) {