Examples of com.sun.pdfview.PDFPage

com.sun.pdfview.PDFPage
A PDFPage encapsulates the parsed commands required to render a single page from a PDFFile. The PDFPage is not itself drawable; instead, create a PDFImage to display something on the screen.
This file also contains all of the PDFCmd commands that might be a part of the command stream in a PDFPage. They probably should be inner classes of PDFPage instead of separate non-public classes. @author Mike Wessler

  private List<AttachmentPage> openAllPages(PDFFile pdf) throws IOException {
    int numPages = pdf.getNumPages();
    List<AttachmentPage> res = newArrayListWithCapacity(numPages);


    for (int i = 1; i <= pdf.getNumPages(); i++) {
      PDFPage page = pdf.getPage(i);


      AttachmentPage attachPage = toAttachmentPage(page);


      res.add(attachPage);
    }

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   */
  public synchronized Image getPage(int pageID, double size) {
    if (pageID < 1 || pageID > pageCount) {
      return null;
    }
    PDFPage page = pdfFileContent.getPage(pageID);
    Rectangle2D r2d = page.getBBox();


    final double width, height;
    if (r2d.getWidth() > r2d.getHeight()) {
      width = size;
      height = (int) (size / (r2d.getWidth() / r2d.getHeight()));
    }
    else {
      width = (int) (size / (r2d.getHeight() / r2d.getWidth()));
      height = size;
    }


    return page.getImage((int) width, (int) height, r2d, null, true, true);
  }

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   */
  public synchronized Image getPage(int pageID, Rectangle rect, int viewMode) {
    if (pageID < 1 || pageID > pageCount) {
      return null;
    }
    PDFPage page = pdfFileContent.getPage(pageID);
    Rectangle2D r2d = page.getBBox();
    double width = r2d.getWidth();
    double height = r2d.getHeight();
    width /= 72.0;
    height /= 72.0;
    int res = Toolkit.getDefaultToolkit().getScreenResolution();
    width *= res;
    height *= res;


    double f = getSizeFactorFromViewMode(width, height, rect, viewMode);
    width /= f;
    height /= f;


    return page.getImage((int) width, (int) height, r2d, null, true, true);
  }

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    try{
      copy(input,file);
      PDFFile pdffile = toPDFFile(file);
      
          // draw a single page to an image
      PDFPage page = pdffile.getPage(pageNumber);
          
          return toImage(page,(int)page.getBBox().getWidth(),(int)page.getBBox().getHeight(),false);
        
    
    }
    finally{
      deleteEL(file);

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  }
  
  private static void writeImage(PDFFile pdf, int pageNumber, Resource destination,String format, int scale,
      boolean overwrite, boolean goodQuality, boolean transparent) throws PageException, IOException {
    
    PDFPage page = pdf.getPage(pageNumber);
    
    if(scale<1) throw new ExpressionException("scale ["+scale+"] should be at least 1");
    
    int width = (int)page.getBBox().getWidth();
    int height = (int)page.getBBox().getHeight();
    if(scale!=100){
      double s=(scale)/100d;
      width=  (int)((width)*s);
      height=  (int)((height)*s);

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        }
        final List<Image> list = new ArrayList<Image>();


        for (int i = 1; i <= pdfFile.getNumPages(); i++) {
            // Retrieve page i from document
            final PDFPage page = pdfFile.getPage(i);
            final Rectangle2D r2d = page.getBBox();


            // Prepare page scaling according to systems default DPI
            double width = r2d.getWidth();
            double height = r2d.getHeight();
            width /= DEFAULT_DPI;
            height /= DEFAULT_DPI;


            // Determine current screen DPI and scale the image accordingly
            final int res = Toolkit.getDefaultToolkit().getScreenResolution();
            width *= res * scaleFactor;
            height *= res * scaleFactor;


            // Add image to list
            list.add(page.getImage((int) width, (int) height, r2d, null, true,
                    true));
        }
        return list;
    }

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            ByteBuffer buf = ByteBuffer.wrap(os.toByteArray());
            PDFFile pdffile = new PDFFile(buf);


            // show the first page
            XRLog.general("Page count: " + pdffile.getNumPages());
            PDFPage page = pdffile.getPage(0);
            pdfPanel.setZoom(-3.0);
            pdfPanel.showPage(page);
            lastRenderedHex = currentHex;


            XRLog.general("MD5 via BI: " + currentHex);

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        // update the page text field
        pageField.setText(String.valueOf(curpage + 1));


        // fetch the page and show it in the appropriate place
        PDFPage pg = curFile.getPage(pagenum + 1);
        if (fspp != null) {
            fspp.showPage(pg);
            fspp.requestFocus();
        } else {
            page.showPage(pg);

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            }


            if (waitforPage == curpage) {
                // don't go any further if the user changed pages.
                //                System.out.println("Preparer generating page " + (prepPage + 2));
                PDFPage pdfPage = curFile.getPage(prepPage + 1, true);
                if (pdfPage != null && waitforPage == curpage) {
                    // don't go any further if the user changed pages
                    //                    System.out.println("Generating image for page " + (prepPage + 2));


                    pdfPage.getImage(size.width, size.height, clip, null, true, true);
                //        System.out.println("Generated image for page "+ (prepPage+2));
                }
            }
        }

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  private List<AttachmentPage> openAllPages(PDFFile pdf) throws IOException {
    int numPages = pdf.getNumPages();
    List<AttachmentPage> res = newArrayListWithCapacity(numPages);


    for (int i = 1; i <= pdf.getNumPages(); i++) {
      PDFPage page = pdf.getPage(i);


      AttachmentPage attachPage = toAttachmentPage(page);


      res.add(attachPage);
    }

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