Ah good catch. PdfDocument is a subclass of Document... which is used to build
new files. I'd image it's still the default size, whereas the
reader.getPageSize() will actually look at the page in question.
PS: getPageSize is looking at the page's Media Box. It ignores all the other
boxes a page might have (crop box being the most common), as well as the page's
rotation.
--Mark Storer
Senior Software Engineer
Cardiff.com
import legalese.Disclaimer;
Disclaimer<Cardiff> DisCard = null;
________________________________
From: Paulo Soares [mailto:[email protected]]
Sent: Wednesday, August 04, 2010 1:32 AM
To: Post all your questions about iText here
Subject: Re: [iText-questions] PdfStamper vs PdfReader page size
page.getPdfDocument() doesn't make sense in this context where you
don't really have a PdfDocument to write to.
Paulo
________________________________
From: Karol Bryd [mailto:[email protected]]
Sent: Tuesday, August 03, 2010 9:49 PM
To: [email protected]
Subject: [iText-questions] PdfStamper vs PdfReader page size
Hello
Perhaps this is a silly question but I am still going to ask it
:-)
I have a following code fragment:
public static void main( String[] args ) throws Exception {
PdfReader reader = new PdfReader("/tmp/input.pdf");
File tmpFile = File.createTempFile("tmp_stamper",
".pdf");
System.out.println("Reader page size " +
reader.getPageSize(1).getWidth() + "x" + reader.getPageSize(1).getHeight());
PdfStamper stamper = new PdfStamper(reader, new
FileOutputStream(tmpFile));
System.out.println("Stamper Size " +
stamper.getWriter().getPageSize().getWidth() + "x" +
stamper.getWriter().getPageSize().getHeight());
Image img =
Image.getInstance("http://kombajn.ath.cx/test.jpg";);
img.setAbsolutePosition(0, 0);
for(int n = 1; n < reader.getNumberOfPages(); n++) {
PdfContentByte page = stamper.getUnderContent(n);
//
img.scaleAbsolute(stamper.getReader().getPageSize(n).getWidth(),
stamper.getReader().getPageSize(n).getHeight()); // THIS WORKS FINE
img.scaleAbsolute(page.getPdfDocument().getPageSize().getWidth(),
page.getPdfDocument().getPageSize().getHeight()); // THIS DOESN'T
page.addImage(img);
}
stamper.close();
reader.close();
}
The input focument /tmp/input.pdf is a simple PDF document with
pages which have 612x792 pixels (US Letter Portrait).
Question is: why page size retrieved from PdfStamper differes
from page size from the PdfReader? This code when run will output this:
Reader page size 612.0x792.0
Stamper Size 595.0x842.0
and the img.scaleAbsolute will not work correctly when the page
size is taken from the page.getPdfDocument().getPageSize() but it will work
just fine
when width and height is from the PdfReader? Why is that?
Thanks
Karol
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![http://kombajn.ath.cx/test.jpg"](http://kombajn.ath.cx/test.jpg"){kind=link}