Hi Lucy, Overlay is for adding something like a watermark to each page in an existing document. To draw existing PDF pages onto a new page, follow our SuperimposePage example.
-- John > On 11 Feb 2015, at 14:11, Vorpahl,Lucinda <[email protected]> wrote: > > I am hoping someone can help me. > > I have a list of PDDocuments that I want to combine and draw onto 1 > PDDocument. > I was able to do this by converting the individual documents to images then > drawing the image on the new document but I lost image quality. > I was looking at the Overlay option but I'm getting the following error: > "java.lang.UnsupportedOperationException: Layout pages with COSArray > currently not supported." > > I also tried this but nothing was happening. > > PDPageContentStream contentStream; > PDDocument document = new PDDocument(); > PDPage page = new PDPage(); > document.addPage(page); > AffineTransform transform; > for (PDDocument pdDocument : pdfDocList) { > LayerUtility layerUtility = new LayerUtility(document); > PDXObjectForm mountable = > layerUtility.importPageAsForm(pdDocument, 0); > mountable.getPDStream().addCompression(); > contentStream = new PDPageContentStream(document, page); > contentStream.appendRawCommands("q\n".getBytes("ISO-8859-1")); > > transform = new AffineTransform(); > transform.translate(18.0f, 18.0f); > contentStream.drawXObject(mountable, transform); > > contentStream.appendRawCommands("Q\n".getBytes("ISO-8859-1")); > contentStream.close(); > pdDocument.close(); > } > > Any help would be appreciated. > > > Thanks, > Lucy > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] >
