not_working.js

#!/usr/bin/node

var canvg = require("canvg");
var Canvas = require("canvas");
fs = require('fs')

var svg_input;

var args = process.argv.slice(2);

var canvasMethods = [ "arc", "arcTo", "beginPath", "bezierCurveTo", "clearRect", "clip", "closePath", "createImageData", "createLinearGradient", "createPattern", "createRadialGradient", "drawCustomFocusRing", "drawImage", "drawSystemFocusRing", "fill", "fillRect", "fillText", "getImageData", "getLineDash", "isPointInPath", "isPointInStroke", "lineTo", "measureText", "moveTo", "putImageData", "quadraticCurveTo", "rect", "restore", "rotate", "save", "scale", "scrollPathIntoView", "setLineDash", "setTransform", "stroke", "strokeRect", "strokeText", "transform", "translate" ];

var input_file = args[0];
var output_file = args[1];

var fakeCanvas = {
  _output: "",
  getContext: function() {
    return this;
  },
  canvas: {
    clientWidth: 600,
    clientHeight: 600
  }
}

var cvd = {
  logCommand: function(c) {
    fakeCanvas._output += c + "\n";
  },
  getOutput: function() {
    return fakeCanvas._output;
  }
}

var convert = function(svgString) {
  for (var i = 0; i < canvasMethods.length; i++) {
    (function() {
      var method = canvasMethods[i];
      fakeCanvas[method] = function() {
        var args = Array.prototype.slice.call(arguments);
        this._output += "ctx." + method + "(" + args.join(", ") + ");\n";
      }
    })()
  }

  canvg(fakeCanvas, svgString, { ignoreMouse: true, ignoreDimensions: true });

  return 'var draw = function(ctx) {\n' + cvd.getOutput() + '};\n'
}

var processSVG = function()
{
  var retVal = "";

  data = fs.readFileSync(input_file).toString();

  retVal = convert(data);

  fs.writeFileSync(output_file, retVal);
};

processSVG();