ai2png/index.js

Converts ANSI-IMAGE to png.

function _(d,callback=()=>{},size=25){
  var canvas = require("canvas");
  _.ansi_image(d,r=>{
    var ch = r.split("\n").map(x=>x.split(/  \x1b\[m/)).map(y=>y.map(x=>x.replace(/^\x1b\[48;5;(\d+)m/,"$1"))).map((x,i,a)=>{
      x.pop();
      return x.map(y=>+y);
    });
    canvas = canvas.createCanvas(size * ch[0].length,size * ch.length);
    var ctx = canvas.getContext("2d");
    var colors = require("./data.json");
    for(var i = 0; i < ch.length; i++){
      for(var j = 0; j < ch[i].length; j++){
        ctx.fillStyle = colors[ch[i][j]].hexString;
        ctx.fillRect(j * size,i * size,size,size);
      }
    }
    callback({
      image: canvas.createPNGStream(),
      url: canvas.toDataURL()
    });
  });
}
module.exports = _;
module.exports.ansi_image = require("npmisgood-ansi-image");