pdf_import/scale_down_imported_pages
Place A4 pages from an imported PDF as A5 pages in the output document.
Import the pages of an A4 document and output them unchanged. Then, place them in the output document while scaling them down to A5.
Download Java Code Show Output PDF
* Scale down imported pages:
* Place A4 pages from an imported PDF as A5 pages in the output document
*
* Import the pages of an A4 document and output them unchanged. Then, place
* them in the output document while scaling them down to A5.
*
* Required software: PDFlib+PDI/PPS 7
* Required data: PDF document
*/
package com.pdflib.cookbook.pdflib.pdf_import;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class scale_down_imported_pages
{
public static void main (String argv[])
{
/* This is where the data files are. Adjust as necessary. */
String searchpath = "../input";
String outfile = "scale_down_imported_pages.pdf";
String title = "Scale down Imported Pages";
pdflib p = null;
String pdffile = "pCOS-datasheet.pdf";
int indoc, pageno, endpage, page;
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");
if (p.begin_document(outfile, "") == -1)
throw new Exception("Error: " + p.get_errmsg());
p.set_info("Creator", "PDFlib Cookbook");
p.set_info("Title", title + " $Revision: 1.1 $");
/* Open the input PDF having A4 page size */
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:
* Place the imported page without any scaling
*/
for (pageno = 1; pageno <= endpage; pageno++)
{
page = p.open_pdi_page(indoc, pageno, "");
if (page == -1)
throw new Exception("Error: " + p.get_errmsg());
/* Start an A4 output page (210mm x 297mm) */
p.begin_page_ext(595, 842, "");
/* Place the imported page without any scaling */
p.fit_pdi_page(page, 0, 0, "");
p.end_page_ext("");
p.close_pdi_page(page);
}
/* Loop over all pages of the input document:
* Place the imported page while scaling it down to A5
*/
for (pageno = 1; pageno <= endpage; pageno++)
{
page = p.open_pdi_page(indoc, pageno, "");
if (page == -1)
throw new Exception("Error: " + p.get_errmsg());
/* Start an A5 output page (148mm x 210mm) */
p.begin_page_ext(421, 595, "");
/* Place the imported page while scaling it down to A5 */
p.fit_pdi_page(page, 0, 0, "boxsize={421 595} fitmethod=meet");
p.end_page_ext("");
p.close_pdi_page(page);
}
p.end_document("");
} 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();
}
}
}
}