Example usage for com.itextpdf.text.pdf PdfSmartCopy freeReader

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfSmartCopy freeReader.

Prototype

@Override
    public void freeReader(PdfReader reader) throws IOException 

Source Link

Usage

From source file:com.github.hossman.PdfShrinker.java

License:Apache License

public static void main(String args[]) throws Exception {
    if (1 != args.length) {
        System.err.println("Run this app with a single command line PDF filename");
        System.err.println("The specified file will be read, and a shrunk version written to stdout");
        System.err.println("ie:   java -jar pdf-shrinker.jar big.pdf > small.pdf");
        System.exit(-1);//from w  w w . j  av  a 2  s . co m
    }

    Document document = new Document();
    PdfSmartCopy copy = new PdfSmartCopy(document, System.out);
    copy.setCompressionLevel(9);
    copy.setFullCompression();
    document.open();
    PdfReader reader = new PdfReader(args[0]);
    List<HashMap<String, Object>> bookmarks = SimpleBookmark.getBookmark(reader);
    int pages = reader.getNumberOfPages();
    for (int i = 0; i < pages; i++) {
        PdfImportedPage page = copy.getImportedPage(reader, i + 1);
        copy.addPage(page);
    }
    copy.freeReader(reader);
    reader.close();
    copy.setOutlines(bookmarks);
    document.close();
}

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From source file:org.h819.commons.file.MyPDFUtils.java

/**
 * ?//from w ww.j  a  v  a2  s  .co  m
 * <p>
 * ? iText in Action 2nd EditionChapter 6: Working with existing PDFs
 * Concatenate
 * </p>
 *
 * @param files  ?
 * @param result ??
 * @throws DocumentException
 * @throws java.io.IOException
 */
public static void merge(File[] files, File result) throws DocumentException, IOException {
    // step 1
    Document document = new Document();
    // step 2

    /**
     * PdfCopy  PdfSmartCopy 
     *
     * PdfCopy???
     *
     * PdfSmartCopy??????
     */
    //
    // PdfCopy copy = new PdfCopy(document, new FileOutputStream(result));
    PdfSmartCopy copy = new PdfSmartCopy(document, new FileOutputStream(result));
    // step 3
    document.open();
    // step 4
    PdfReader reader;
    int n;
    // loop over the documents you want to concatenate
    for (int i = 0; i < files.length; i++) {
        reader = getPdfReader(files[i]);
        // loop over the pages in that document
        n = reader.getNumberOfPages();
        for (int page = 0; page < n;) {
            copy.addPage(copy.getImportedPage(reader, ++page));
        }
        copy.freeReader(reader);
    }
    // step 5
    document.close();
}

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