Hi!
I use PdfCopy create a new pdf document by extracting few pages from another
pdf document. But the newly created pdf has a larger file size than the
original even though it has lesser number pages. Could any one help me
understand why is it like this? This is the code that I am using to create
the pdf.
public void extractPdfPages(String inFile, String outFile, int[]
pagesToExclude) throws Exception
{
// create a reader for the input document
PdfReader reader = new PdfReader(inFile);
int pages = reader.getNumberOfPages();
// create a new document
Document document = new Document(reader.getPageSizeWithRotation(1));
PdfCopy copy = new PdfCopy(document, new FileOutputStream(outFile));
document.open();
// copy selected pages
PdfImportedPage page;
boolean isIncludeThisPage;
for (int i = 0; i < pages; )
{
++i;
isIncludeThisPage = true;
if (pagesToExclude != null && pagesToExclude.length > 0)
{
for (int j = 0; j < pagesToExclude.length; j++)
{
if (i == pagesToExclude[j])
{
isIncludeThisPage = false;
break;
}
}
}
if (isIncludeThisPage)
{
page = copy.getImportedPage(reader, i);
copy.addPage(page);
}
}
// close new document
document.close();
}
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