PDFlib サンプル集(クックブック)
既存の PDF 文書からすべてのページをインポートして、スタンプを重ねて出力します。
必要な製品:PDFlib+PDI または PDFlib PPS
/*
* Stamp PDF pages:
* Import all pages from an existing PDF document and place a stamp somewhere
* on the page
*
* Required software: PDFlib+PDI/PPS 9
* Required data: PDF document
*/
package com.pdflib.cookbook.pdflib.pdf_import;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class stamp_pages
{
public static void main (String argv[])
{
/* This is where the data files are. Adjust as necessary. */
String searchpath = "../input";
String outfile = "stamp_pages.pdf";
String title = "Stamp Pages";
pdflib p = null;
String pdffile = "PDFlib-real-world.pdf";
int indoc, pageno, endpage, page, font;
int exitcode = 0;
try {
p = new pdflib();
p.set_option("searchpath={" + searchpath + "}");
/* This means we must check return values of load_font() etc. */
p.set_option("errorpolicy=return");
if (p.begin_document(outfile, "") == -1)
throw new Exception("Error: " + p.get_errmsg());
p.set_info("Creator", "PDFlib Cookbook");
p.set_info("Title", title);
/* Open the input PDF */
indoc = p.open_pdi_document(pdffile, "");
if (indoc == -1)
throw new Exception("Error: " + p.get_errmsg());
endpage = (int) p.pcos_get_number(indoc, "length:pages");
/* Loop over all pages of the input document */
for (pageno = 1; pageno <= endpage; pageno++)
{
page = p.open_pdi_page(indoc, pageno, "");
if (page == -1)
throw new Exception("Error: " + p.get_errmsg());
/* Page size may be adjusted by fit_pdi_page(). */
p.begin_page_ext(0, 0, "width=a4.width height=a4.height");
/* Place the imported page on the output page, and
* adjust the page size
*/
p.fit_pdi_page(page, 0, 0, "adjustpage");
font = p.load_font("Helvetica-Bold", "unicode", "");
if (font == -1)
throw new Exception("Error: " + p.get_errmsg());
/* Fit the text line like a stamp with red outlines in the
* specified box. The stamp will be placed diagonally from the
* upper left to the lower right.
*/
p.fit_textline("PRELIMINARY", 50, 50, "font=" + font +
" fontsize=1 textrendering=1 boxsize={500 700} stamp=ul2lr" +
" strokecolor=red strokewidth=2");
p.close_pdi_page(page);
p.end_page_ext("");
}
p.end_document("");
} catch (PDFlibException e){
System.err.println("PDFlib exception occurred:");
System.err.println("[" + e.get_errnum() + "] " + e.get_apiname() +
": " + e.get_errmsg());
exitcode = 1;
} catch (Exception e) {
System.err.println(e);
exitcode = 1;
} finally {
if (p != null) {
p.delete();
}
System.exit(exitcode);
}
}
}
(Dec 11, 2012 - Sep 30, 2022)