Now I meet with a question about changing the pagesize as following:
firstly I use a existing pdf as a template,such as "aaa.pdf",and it's pagesize is A4,and i use the template to generate a new pdf "ccc.pdf",which include "aaa.pdf" many times,i wish to change the pagesize of the generated pdf "ccc.pdf",i used setpagesize() to do that,but it doesn't work well! the code is following:
//////////////////////////////////////////////
import com.lowagie.text.*;
import com.lowagie.text.pdf.*;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import com.lowagie.text.Rectangle;
public class test
{
public static void main(String args[]) { PdfCopy writer1 = null;
//Document document=new Document(PageSize.A4.rotate());
Rectangle pageSize = new Rectangle(300, 300);
Document document = new Document(pageSize);
System.out.println("Beginning generate pdf......");
try
{ String str[]={"aaaaaa","bbbbb","cccccc","dddddd"};
writer1 = new PdfCopy(document, new FileOutputStream("ccc.pdf"));
//writer1.setPageSize(pageSize);
document.open();
for(int i=0;i<str.length;i++)
{ PdfReader reader = new PdfReader("aaa.pdf");
PdfStamper stamp = new PdfStamper(reader, new FileOutputStream("bbb.pdf"));
AcroFields form = stamp.getAcroFields();
form.setField("a12",str[i]); form.setField("a21",str[i]);
form.setField("a22",str[i]);
form.setField("a31",str[i]);
stamp.setFormFlattening(true);
stamp.close();
PdfReader reader1 = new PdfReader("bbb.pdf");
PdfImportedPage page=writer1.getImportedPage(reader1, 1);
writer1.addPage(page);
}
}
catch(DocumentException de)
{
System.err.println(de.getMessage());
}
catch(IOException ioe) {
System.err.println(ioe.getMessage());
}
document.close();
System.out.println("ending generate pdf......");
}
}
//////////////////////////////////////////////////////////////////////////////
this is the code I have written,but I can't change the pagesize of the generated pdf "ccc.pdf",how shoud i do?
I alse want to change the pagesize of the pdf document after it has generate,in other words,i want to change the pagesize of a existing pdf document,but i also don't know how to do.Would you please give me some ideas or some example codes!
thanks for any help!I am looking forward to hearing from you!
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