eni23/datamatrix.html

## datamatrix.html
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>test bc</title>
    <!--
    Get it from: https://github.com/metafloor/bwip-js
    !-->
    <script type="text/javascript" src="./freetype.js"></script>
    <script type="text/javascript" src="./bwipp.js"></script>
    <script type="text/javascript" src="./bwipjs.js"></script>
    <script type="text/javascript" src="./lib/bitmap.js"></script>
  </head>
  <body>
    <canvas id="canvas"></canvas>
  </body>
  <script>

    var freetype = Module;

    var generate_datamatrix = function( opts ){
      var scale = opts.scale || 2;
      var rotation = opts.rotation || "N";
      var bctype = opts.type || "datamatrix";
      console.log(opts);
      var canvas = document.getElementById(opts.target_elem);
      var bw = new BWIPJS(freetype, false);
      bw.bitmap(new Bitmap);
      bw.scale(scale, scale);
      var bwopts = {
      	parsefnc:true,
      	includetext:false
      };
      BWIPP()(bw, bctype, opts.data, bwopts);
      bw.bitmap().show(canvas, rotation);
    }

    generate_datamatrix({
      "target_elem": "canvas",
      "data": "https://c.e23.ch/A47D/1E20786A/001",
      "scale": 1.9,
      "type": "datamatrix"
    })

  </script>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>test bc</title>
	<!--
	Get it from: https://github.com/metafloor/bwip-js
	!-->
	<script type="text/javascript" src="./freetype.js"></script>
	<script type="text/javascript" src="./bwipp.js"></script>
	<script type="text/javascript" src="./bwipjs.js"></script>
	<script type="text/javascript" src="./lib/bitmap.js"></script>
	</head>
	<body>
	<canvas id="canvas"></canvas>
	</body>
	<script>

	var freetype = Module;

	var generate_datamatrix = function( opts ){
	var scale = opts.scale \|\| 2;
	var rotation = opts.rotation \|\| "N";
	var bctype = opts.type \|\| "datamatrix";
	console.log(opts);
	var canvas = document.getElementById(opts.target_elem);
	var bw = new BWIPJS(freetype, false);
	bw.bitmap(new Bitmap);
	bw.scale(scale, scale);
	var bwopts = {
	parsefnc:true,
	includetext:false
	};
	BWIPP()(bw, bctype, opts.data, bwopts);
	bw.bitmap().show(canvas, rotation);
	}

	generate_datamatrix({
	"target_elem": "canvas",
	"data": "https://c.e23.ch/A47D/1E20786A/001",
	"scale": 1.9,
	"type": "datamatrix"
	})

	</script>
	</html>