try
{
	org.w3c.dom.DOMImplementation domImpl = org.apache.batik.dom.svg.SVGDOMImplementation.getDOMImplementation();
	org.w3c.dom.Document document = domImpl.createDocument(org.apache.batik.dom.svg.SVGDOMImplementation.SVG_NAMESPACE_URI, "svg", null);

	int pointWidth = dimension.width;
	int pointHeight = dimension.height;

	org.apache.batik.svggen.SVGGraphics2D svgGenerator = new org.apache.batik.svggen.SVGGraphics2D(document);

	svgGenerator.setSVGCanvasSize(new java.awt.Dimension(pointWidth, pointHeight));
	g2d = svgGenerator;
	g2d.setColor(Color.BLACK);
	g2d.fillRect(0, 0, dimension.width, dimension.height);

	g2d.setColor(Color.WHITE);

	//in GraphicsContext zeichnen
	
	java.io.FileOutputStream bout = new java.io.FileOutputStream("/tmp/qr.svg");
	java.io.Writer out = new java.io.OutputStreamWriter(bout, "UTF-8");
	svgGenerator.stream(out, false);
	out.close();
	bout.close();
}
catch (java.lang.Throwable t)
{
	t.printStackTrace();
}

//com.google.zxing.common.BitMatrix bitMatrix=...;
java.util.LinkedList<java.util.List<java.awt.Shape>> shapes = new java.util.LinkedList();
for (int i = 0; i < dimension.width; i++)
{
	int x = -1;
	int y = -1;
	int l = 0;
	java.util.List<java.awt.Shape> list = new java.util.LinkedList();
	shapes.addLast(list);
	for (int j = 0; j < dimension.height; j++)
	{
		if (bitMatrix.get(i, j) == false)
		{
			if (x < 0)
			{
				x = i;
				y = j;
			}
			++l;
		}
		else
		{
			if (x > -1)
			{
				java.awt.Shape p = createShape(x, y, l);
				list.add(p);
				x = -1;
				y = -1;
				l = 0;
			}
		}
	}
	if (x > -1)
	{
		java.awt.Shape p = createShape(x, y, l);
		list.add(p);
	}
}
int end = shapes.size() / 2;
for (int i = 0; i < end; ++i)
{
	java.util.LinkedList<java.util.List<java.awt.Shape>> old = shapes;
	shapes = new java.util.LinkedList();

	while (old.size() > 2)
	{
		java.util.List<java.awt.Shape> l = old.removeFirst();
		java.util.List<java.awt.Shape> r = old.removeFirst();
		java.util.List<java.awt.Shape> n = new java.util.LinkedList();
		java.util.List<java.awt.Shape> toberem = new java.util.LinkedList();
		for (Shape shapel : l)
		{
			for (Shape shaper : r)
			{
				if (shapel.intersects(shaper.getBounds2D()))
				{
					toberem.add(shaper);
					java.awt.geom.Area areal = new java.awt.geom.Area(shapel);
					java.awt.geom.Area arear = new java.awt.geom.Area(shaper);
					areal.add(arear);
					shapel = areal;
				}
			}
			n.add(shapel);
			r.removeAll(toberem);
			toberem.clear();
		}
		n.addAll(r);
		shapes.add(n);
	}
	shapes.addAll(old);
}

private java.awt.Shape createShape(double x, double y, double l)
{
	double e = 0.001;
	java.awt.geom.Path2D.Double p = new java.awt.geom.Path2D.Double();
	p.moveTo(x - e, y - e);
	p.lineTo(x + 1 + e, y - e);
	p.lineTo(x + 1 + e, y + l + e);
	p.lineTo(x - e, y + l + e);
	p.closePath();
	return p;
}