/* $Id: clone_pdfx.java,v 1.3 2011/08/01 14:44:31 stm Exp $ * * Clone PDF/A and PDF/X standard documents * This is useful as basis for additional processing, * such as stamping, adding XMP metadata, adding page content, etc. * * The following aspects of the input document will be cloned: * - PDF/A and PDF/X version (if supported by PDFlib) * The following standards can not be cloned: PDF/A-1a:2005 and PDF/X-5n. * - output intent (if present) * Referenced output intents for PDF/X-4p and PDF/X-5pg will also * be cloned. * - page geometry, i.e. all page boxes and Rotate key * Referenced external pages for PDF/X-5g and PDF/X-5pg will also * be cloned. * - XMP document metadata * * To demonstrate coordinate transformations which may be required * to add new page content this topic adds a stamp across all pages. * * Input documents may conform to PDF/A and PDF/X simultaneously. * * Note: Except for the names of the input and output documents this is an exact * copy of example com.pdflib.cookbook.pdflib.pdfa.clone_pdfa. It is included * twice for being easily found under the PDF/A and PDF/X categories. * * required software: PDFlib/PDFlib+PDI/PPS 8 or above * required data: PDF/A or PDF/X input document */ package com.pdflib.cookbook.pdflib.pdfx; import com.pdflib.pdflib; import com.pdflib.PDFlibException; public class clone_pdfx { public static void main(String argv[]) { /* This is where the data files are. Adjust as necessary. */ String searchpath = "../input"; pdflib p = null; String pdfinputfile = "PLOP-datasheet-PDFX-3-2002.pdf"; String pdfxversion, pdfaversion; String optlist = ""; byte xmp[]; boolean clonemetadata = true; /* The following standard flavors can be cloned: */ String supportedflavors[] = { "PDF/A-1b:2005", "PDF/X-1a:2001", "PDF/X-1a:2003", "PDF/X-3:2002", "PDF/X-3:2003", "PDF/X-4", "PDF/X-4p", "PDF/X-5g", "PDF/X-5pg", "none" }; int font, indoc, page, endpage, pageno, i; double x, y, phi, width, height; try { p = new pdflib(); p.set_parameter("SearchPath", searchpath); /* This means we must check return values of load_font() etc. */ p.set_parameter("errorpolicy", "return"); /* Open the input PDF */ indoc = p.open_pdi_document(pdfinputfile, ""); if (indoc == -1) { throw new Exception("Error: " + p.get_apiname() + ": " + p.get_errmsg()); } /* * Read PDF/X and PDF/A version of the input document */ pdfxversion = p.pcos_get_string(indoc, "pdfx"); pdfaversion = p.pcos_get_string(indoc, "pdfa"); for (i = 0; i < supportedflavors.length; i++) { if (pdfxversion.equals(supportedflavors[i])) { optlist += " pdfx=" + pdfxversion; break; } } if (i == supportedflavors.length) throw new Exception("Error: Cannot clone " + pdfxversion + " documents"); for (i = 0; i < supportedflavors.length; i++) { if (pdfaversion.equals(supportedflavors[i])) { optlist += " pdfa=" + pdfaversion; break; } } if (i == supportedflavors.length) throw new Exception("Error: Cannot clone " + pdfaversion + " documents"); /* * Create a new document and clone PDF/A and PDF/X version */ if (p.begin_document("clone_pdfx.pdf", optlist) == -1) throw new Exception("Error: " + p.get_apiname() + ": " + p.get_errmsg()); p.set_info("Creator", "PDFlib Cookbook"); p.set_info("Title", "clone_pdfx"); /* * Clone PDF/X output intent */ p.process_pdi(indoc, -1, "action=copyoutputintent"); endpage = (int) p.pcos_get_number(indoc, "length:pages"); /* Copy all pages of the input document */ for (pageno = 1; pageno <= endpage; pageno++) { String lowerleftcorner[][] = { { "x1", "y1" }, /* 0 degrees */ { "x2", "y2" }, /* 90 degrees */ { "x3", "y3" }, /* 180 degrees */ { "x4", "y4" }, /* 270 degrees */ }; page = p.open_pdi_page(indoc, pageno, "cloneboxes"); if (page == -1) { System.err.println("Error: " + p.get_errmsg()); continue; } /* Dummy page size; will be adjusted by "cloneboxes" option */ p.begin_page_ext(10, 10, ""); /* * Query the geometry of the cloned page. This is required to * account for translated or rotated pages if we want to add * more contents to the page. */ phi = p.info_pdi_page(page, "rotate", ""); /* * Select the lower left corner depending on the rotation angle */ x = p.info_pdi_page(page, lowerleftcorner[(int) (phi / 90)][0], ""); y = p.info_pdi_page(page, lowerleftcorner[(int) (phi / 90)][1], ""); /* * Place the imported page on the output page and clone all page * boxes */ p.fit_pdi_page(page, 0, 0, "cloneboxes"); /* Font embedding is required for PDF/X */ font = p.load_font("LuciduxSans-Oblique", "unicode", "embedding"); if (font == -1) throw new Exception("Error: " + p.get_apiname() + ": " + p.get_errmsg()); p.setfont(font, 24); /* * Adjust the coordinate system to facilitate adding new page * content on top of the cloned page. */ p.translate(x, y); p.rotate(phi); width = p.info_pdi_page(page, "pagewidth", ""); height = p.info_pdi_page(page, "pageheight", ""); /* * Add some text on each page. PDFlib will automatically set the * default black color in a standard-conforming way. */ p.fit_textline("Cloned page", 0, 0, "textrendering=1 stamp=ll2ur boxsize={" + width + " " + height + "}"); p.close_pdi_page(page); p.end_page_ext(""); } /* * Clone XMP metadata if applicable */ /* * These old flavors are based on PDF 1.3 which doesn't support XMP * metadata */ if (pdfxversion.equals("PDF/X-1a:2001") || pdfxversion.equals("PDF/X-3:2002")) { clonemetadata = false; } if (clonemetadata && p.pcos_get_string(indoc, "type:/Root/Metadata").equals( "stream")) { xmp = p.pcos_get_stream(indoc, "", "/Root/Metadata"); p.create_pvf("/xmp/document.xmp", xmp, ""); optlist = "metadata={filename=" + "/xmp/document.xmp" + "}"; } else { optlist = ""; } p.end_document(optlist); p.delete_pvf("/xmp/document.xmp"); p.close_pdi_document(indoc); } catch (PDFlibException e) { System.err.print("PDFlib exception occurred:\n"); System.err.print("[" + e.get_errnum() + "] " + e.get_apiname() + ": " + e.get_errmsg() + "\n"); } catch (Exception e) { System.err.println(e.getMessage()); } finally { if (p != null) { p.delete(); } } } }