bmp-js

A pure javascript BMP encoder and decoder

  • bmp-js

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bmp-js
0.1.04 years ago8 years agoMinified + gzip package size for bmp-js in KB

Readme

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

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

  1. headerSize,width,height,planes,bitPP,compress,rawSize,hr,vr,colors,importantColors

  1. palette

  1. data-------byte array order by ABGR ABGR ABGR,4 bytes per pixel

Encode RGB

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