node-echarts-canvas

Echarts server side render by node canvas, generate chart image by Echarts. 使用NodeJs服务器端渲染echarts图表，生成图片格式。

forked from https://github.com/hellosean1025/node-echarts , 2 changes:

1. update echarts version
2. change canvas-prebuilt to canvas, canvas-prebuilt was officially deprecated

Install

OS	Command
OS X	brew install pkg-config cairo pango libpng jpeg giflib
Ubuntu	sudo apt-get install libcairo2-dev libjpeg8-dev libpango1.0-dev libgif-dev build-essential g++
Fedora	sudo yum install cairo cairo-devel cairomm-devel libjpeg-turbo-devel pango pango-devel pangomm pangomm-devel giflib-devel
Solaris	pkgin install cairo pango pkg-config xproto renderproto kbproto xextproto
Windows	Instructions on our wiki

npm install node-echarts-canvas

Usage

var echarts = require('node-echarts-canvas');
var config = {
    width: 500, // Image width, type is number.
    height: 500, // Image height, type is number.
    option: {}, // Echarts configuration, type is Object.
    //If the path  is not set, return the Buffer of image.
    path:  '', // Path is filepath of the image which will be created.
    enableAutoDispose: true  //Enable auto-dispose echarts after the image is created.
}
 
echarts(config)
 

Config

name	type	default	description
width	Number	500	Image width
height	Number	500	Image height
option	Object	{}	Echarts Options
path	String	-	Path is filepath of the image which will be created. If the path is empty, return buffer.
enableAutoDispose	Boolean	true	Enable auto-dispose echarts after the image is created.