Exporting Barcodes Into DXF with JS-based Converter

How to Proceed
Building the Converter
Related Tutorials

This is a javascript version of the barcode-to-DXF converter described here.

To run the js-based converter, you don't need Visual Basic or a VBA-compatible program like Excel. You may run this code with the MSHTA utility that is available on any PC.

How to Proceed

The example is tested for compatibility with SolidWorks/AutoCAD/ArchiCAD/Revit/NX. If you are working with any other software, try this DXF file first.
Download and install the barcode generator.

Building the Converter

1. Make a new file with the .hta extension.

2. Paste the following code into the .hta file.

3. Run the file.

4. Type anything you want to encode in the barcode into the Barcode data field.

5. Click the Create barcode button and choose where to save the DXF file.

The javascript-based DXF barcode generator

6. Open your CAD program and import the DXF file.

DXF Converter - the Code Example

<html>
<head>
<script>

arr=new Array();

function SaveDialog()
{
	dialog = new ActiveXObject('MSComDlg.CommonDialog');
	dialog.Filter='DXF|*.dxf';
	dialog.MaxFileSize=32767;
	dialog.DialogTitle='A new DXF file';
	dialog.Flags=0x800;
	dialog.ShowSave();
	name = dialog.FileName
	dialog = null;
	return name;
}

function WriteFile()
{
	s = SaveDialog();
	if(s=='')
		return false;

	fso = new ActiveXObject("Scripting.FileSystemObject"); 
	try
	{
		fp = fso.CreateTextFile(s, true);
		
		for (i = 0; i < arr.length; i++)
			fp.WriteLine(arr[i]);
	}
	catch(err)
	{
		alert(err.description);
		return false;
	}

	fp.Close();
	fp = null;
	fso = null;
	
	return true;
}

function write_header()
{
	arr.push(0);
	arr.push("SECTION");
	arr.push(2);
	arr.push("HEADER");
    
	arr.push(9);
	arr.push("$ACADVER");
	arr.push(1);
	arr.push("AC1006");
    
	arr.push(9);
	arr.push("$INSUNITS");
	arr.push(70);
	arr.push(4); //1 = Inches; 2 = Feet; 3 = Miles; 4 = Millimeters; 5 = Centimeters; 6 = Meters
   
	arr.push(0);
	arr.push("ENDSEC");

	arr.push(0);
	arr.push("SECTION");
	arr.push(2);
	arr.push("ENTITIES");
}

function write_endsec()
{
	arr.push(0);
	arr.push("ENDSEC");
	arr.push(0);
	arr.push("EOF");
}

function writexyz(x, y, corner_number)
{
	arr.push(10 + corner_number); //Group codes 10,11,12,13 are X1,X2,X3,X4 coordinates
	arr.push(x);                  //of the SOLID entity.
	arr.push(20 + corner_number); //Y1, Y2, Y3, Y4 coordinates of the SOLID entity.
	arr.push(y);
	arr.push(30 + corner_number); //Z1, Z2, Z3, Z4 are always =0
	arr.push(0);
}

function write_solid(x, y, w, h)
{
	arr.push("0");
	arr.push("SOLID");
	arr.push("8");
	arr.push("barcode");  //The layer name
   
	writexyz(x, y, 0);  //Four corners of the SOLID entity. 0,1,2,3 are the corner numbers.
	writexyz(x + w, y, 1);
	writexyz(x, y - h, 2);
	writexyz(x + w, y - h, 3);
}

function write_barcode(zebra, left, top, modw, modh)
{
	write_header();
	x = left;
	y = top;
	        
	for(i=0; i<zebra.length ;i++)
	{
		z = zebra.charAt(i);
		switch(z)
		{
			case "0":
				x = x + modw;
				break;
			case "1":
				write_solid(x, y, modw, modh);
				x = x + modw;
				break;
			case "\n":
				x = left;
				y = y - modh;
		}
	}
	write_endsec();
}

function dxf_barcode()
{
	QRCODE = 25;
	DATAMATRIX = 8;

	ss = new ActiveXObject("STROKESCRIBE.StrokeScribeClass.1");
	ss.Alphabet = DATAMATRIX; //or QRCODE

	txt = document.getElementById("barcode-data");
	ss.Text = txt.value;

	if(ss.Error!=0)
	{
		alert("Error code: " + ss.Error);
		return;
	}

	zebra = ss.ZebraBits;

	ss=null;

	write_barcode(zebra, 10, 20, 30, 30); //X, Y, width, height

	if(WriteFile())
		alert("OK");
}

</script>
</head>

<body>
	<input type="button" value="Create barcode" onclick="dxf_barcode()"> 
	Barcode data: <input type="text" id="barcode-data"> 
</body>
</html>

Free version of the barcode generator provides limited functionality for zebra pattern generation. You can test the above code only on small barcodes.

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Exporting Barcodes Into DXF with JS-based Converter

Table of Contents

How to Proceed

Building the Converter

DXF Converter - the Code Example

Related Tutorials