WIP - add extractor, generate snippet_data

node_modules/bmp-js/README.md

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+bmp-js
+======
+
+A pure javascript Bmp encoder and decoder for node.js
+
+Supports all bits decoding(1,4,8,16,24,32) and encoding with 24bit.
+
+##Install
+
+	$ npm install bmp-js
+
+
+How to use?
+---
+###Decode BMP
+```js
+var bmp = require("bmp-js");
+var bmpBuffer = fs.readFileSync('bit24.bmp');
+var bmpData = bmp.decode(bmpBuffer);
+
+```
+
+`bmpData` has all properties includes:
+
+1. fileSize,reserved,offset
+
+2. headerSize,width,height,planes,bitPP,compress,rawSize,hr,vr,colors,importantColors
+
+3. palette
+
+4. data-------byte array order by ABGR ABGR ABGR,4 bytes per pixel
+
+
+###Encode RGB
+```js
+var bmp = require("bmp-js");
+//bmpData={data:Buffer,width:Number,height:Height}
+var rawData = bmp.encode(bmpData);//default no compression,write rawData to .bmp file
+
+```
+
+License
+---
+U can use on free with [MIT License](https://github.com/shaozilee/bmp-js/blob/master/LICENSE)