pageHeight = (int) h;
currentStream = this.pdfDoc.getFactory()
.makeStream(PDFFilterList.CONTENT_FILTER, false);
currentState = new PDFState();
// Transform the PDF's default coordinate system (0,0 at lower left) to the PDFRenderer's
AffineTransform basicPageTransform = new AffineTransform(1, 0, 0, -1, 0,
pageHeight / 1000f);
currentState.concatenate(basicPageTransform);
currentStream.add(CTMHelper.toPDFString(basicPageTransform, false) + " cm\n");