Admin: 1 версия

2010-06-01T05:58:46Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:43Z

Новая страница

== Add Page Numbers to Existing PDF document ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Element;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfStamper;
public class AddPageNumbersToExistingPageNumberPDF {
public static void main(String[] args) {
try {
PdfReader reader = new PdfReader("YourOwnPDF.pdf");
int n = reader.getNumberOfPages();
PdfStamper stamp = new PdfStamper(reader, new FileOutputStream("AddPageNumbersToExistingPageNumberPDF.pdf"));
int i = 0;
PdfContentByte over;
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);
while (i < n) {
i++;
over = stamp.getOverContent(i);
over.beginText();
over.setFontAndSize(bf, 18);
over.setTextMatrix(30, 30);
over.showText("page " + i);
over.setFontAndSize(bf, 32);
over.showTextAligned(Element.ALIGN_LEFT, "DUPLICATE", 230, 430, 45);
over.endText();
}
stamp.close();
} catch (Exception de) {
de.printStackTrace();
}
}
}

</source>



== Reading Your Own PDF File ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
public class ReadYourOwnPDFFile {
public static void main(String[] args) {
try {
PdfReader reader = new PdfReader("YourOwnPDF.pdf");
int n = reader.getNumberOfPages();
// we retrieve the size of the first page
Rectangle psize = reader.getPageSize(1);
System.out.println(reader.getPdfVersion());
System.out.println(reader.getFileLength());
System.out.println(psize.height());
System.out.println(psize.width());
}
catch (Exception de) {
de.printStackTrace();
}
}
}

</source>



== Reads the pages of an existing PDF file and puts 2 pages from the existing doc into one of the new doc ==



<source lang="java">
import java.io.FileOutputStream;
import com.lowagie.text.Document;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfImportedPage;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.PdfWriter;
public class TwoOnOnePDF {
public static void main(String[] args) {
System.out.println("");
try {
PdfReader reader = new PdfReader("YourOwnPDF.pdf");
int n = reader.getNumberOfPages();
Rectangle psize = reader.getPageSize(1);
float width = psize.height();
float height = psize.width();
Document document = new Document(new Rectangle(width, height));
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("TwoOnOnePDF.pdf"));
document.open();
PdfContentByte cb = writer.getDirectContent();
document.newPage();
PdfImportedPage page1 = writer.getImportedPage(reader, 1);
cb.addTemplate(page1, .5f, 0, 0, .5f, 60, 120);

document.close();
} catch (Exception de) {
de.printStackTrace();
}
}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010