Example usage for com.lowagie.text.pdf PdfNumber PdfNumber

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfNumber PdfNumber.

Prototype

public PdfNumber(float value) 

Source Link

Document

Constructs a new PdfNumber-object of type real.

Usage

From source file:org.squale.welcom.outils.pdf.advanced.WPdfFieldWriter.java

License:Open Source License

/**
 * Tranforme les champs en nom modifiable
 * /*from  ww w .  j a v  a 2s  .  c  o m*/
 * @param form le field
 * @param name le nom
 */
private static void lockField(final AcroFields form, final String name) {
    final AcroFields.Item item = form.getFieldItem(name);
    if (item != null) {
        for (int k = 0; k < item.merged.size(); ++k) {
            PdfNumber num = (PdfNumber) PdfReader
                    .getPdfObject(((PdfDictionary) item.values.get(k)).get(PdfName.FF));
            int val = 0;

            if (num != null) {
                val = num.intValue();
            }

            num = new PdfNumber(val | PdfFormField.FF_READ_ONLY);

            ((PdfDictionary) item.merged.get(k)).put(PdfName.FF, num);
            ((PdfDictionary) item.values.get(k)).put(PdfName.FF, num);
        }
    }
}

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From source file:questions.forms.ChangeTextFieldAlignment.java

public static void main(String[] args) {
    try {//from w w  w  .j a v  a  2 s .com
        PdfReader reader = new PdfReader(RESOURCE);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
        AcroFields form = stamper.getAcroFields();
        PdfDictionary dict = form.getFieldItem("Who").getMerged(0);
        dict.put(PdfName.Q, new PdfNumber(1));
        form.setField("Who", "Center of the World");
        stamper.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

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From source file:questions.images.ResizeImage.java

public static void resizeImagesInPage(PdfReader reader, int page, float factor) throws IOException {
    PdfDictionary pageDictionary = reader.getPageN(page);
    PdfDictionary resources = (PdfDictionary) PdfReader.getPdfObject(pageDictionary.get(PdfName.RESOURCES));
    PdfDictionary xobjects = (PdfDictionary) PdfReader.getPdfObject(resources.get(PdfName.XOBJECT));
    if (xobjects != null) {
        for (Object xObjectKey : xobjects.getKeys()) {
            PdfName xobjectName = (PdfName) xObjectKey;
            PdfObject xobj = xobjects.get(xobjectName);
            PRStream imageStream = (PRStream) PdfReader.getPdfObject(xobj);
            PdfName subtype = (PdfName) PdfReader.getPdfObject(imageStream.get(PdfName.SUBTYPE));
            PdfName filter = (PdfName) PdfReader.getPdfObject(imageStream.get(PdfName.FILTER));
            if (PdfName.IMAGE.equals(subtype) && PdfName.DCTDECODE.equals(filter)) {
                BufferedImage src = ImageIO
                        .read(new ByteArrayInputStream(PdfReader.getStreamBytesRaw(imageStream)));
                int width = (int) (src.getWidth() * factor);
                int height = (int) (src.getHeight() * factor);
                BufferedImage dest = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
                AffineTransform at = AffineTransform.getScaleInstance(factor, factor);
                Graphics2D g = dest.createGraphics();
                g.drawRenderedImage(src, at);
                ByteArrayOutputStream newImage = new ByteArrayOutputStream();
                ImageIO.write(dest, "JPG", newImage);
                imageStream.setData(newImage.toByteArray(), false, PRStream.NO_COMPRESSION);
                imageStream.put(PdfName.WIDTH, new PdfNumber(width));
                imageStream.put(PdfName.HEIGHT, new PdfNumber(height));
                imageStream.put(PdfName.FILTER, PdfName.DCTDECODE);
            }/*  w  w w  .  j  a va2 s .co m*/
        }
    }
}

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From source file:questions.stamppages.ChangeViewerPreferences.java

public static void main(String[] args) throws IOException, DocumentException {
    PdfReader reader = new PdfReader(RESOURCE);
    PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
    stamper.setViewerPreferences(PdfWriter.PageModeUseThumbs);
    stamper.addViewerPreference(PdfName.NUMCOPIES, new PdfNumber(5));
    stamper.close();/*  w  w w.ja  va2  s.  c  om*/
}

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