node-canvas-svg

drawing svg on a canvas in node.js.

Features

• drawing svg data on canvas

Installation with git

git clone https://github.com/dodo/node-canvas-svg.git
cd node-canvas-svg
git submodules update --init
cd deps/node-canvas
make
cd ../node-overload
make

Motivation

NIH - not invented here ... srsly .. i want to generate some good looking charts without using javascript on client side (because this is lame for none-interactive images)

Dependencies

• canvg
• jsdom
• node-canvas
• node-htmlparser
• node-overload
• vargs

Usage

var canvassvg = require('node-canvas-svg');

First you need to load the canvg modules:

canvassvg.load(function (err, canvg_module) { … });

you can use as well the shorter from:

canvassvg.load(function (err) { … }); // the module is saved in canvassvg.svg.canvg

Drawing SVG

canvassvg.svg.render(svg, function (err, canvas) { … });

or

canvassvg.svg.render(canvas, svg, function (err, canvas) { … });

width and height can be applied as well:

canvassvg.svg.render(svg, width, height function (err, canvas) { … });

or

canvassvg.svg.render(canvas, svg, width, height function (err, canvas) { … });

Example

Fetching a svg file from wikipedia and return it as png:

• https://github.com/dodo/node-canvas-svg/example/wikipedia.js

TODO

• More documentation
• tests