Example usage for com.itextpdf.text.pdf PdfStamper PdfStamper

Introduction

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

Prototype

public PdfStamper(final PdfReader reader, final OutputStream os) throws DocumentException, IOException

Source Link

Document

Starts the process of adding extra content to an existing PDF document.

Usage

From source file:watermarkpdf.FXMLDocumentController.java

@FXML
private void handleButtonAction(ActionEvent event) throws DocumentException, IOException {
    if (tfPhrase.getLength() > 0) {
        lbl_Result.setText("");
        PdfReader reader = new PdfReader(tf_PathFile.getText());
        Rectangle mediabox = reader.getPageSize(1);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(
                tf_PathFile.getText().substring(0, tf_PathFile.getLength() - 4) + "_out.pdf"));
        stamper.setRotateContents(false);
        BaseFont bf = BaseFont.createFont("TNR.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
        Font font = new Font(bf);
        int iPos = tfPhrase.getText().indexOf('#');
        for (int i = 1; i <= reader.getNumberOfPages(); i++) {
            PdfContentByte canvas = stamper.getOverContent(i);
            if (iPos >= 0) {
                if (cbox_LU.isSelected()) {
                    switch (i) {
                    case 1:
                        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                                new Phrase((tfPhrase.getText().substring(0, iPos - 5)
                                        + "? ? "
                                        + tfPhrase.getText().substring(iPos + 1)), font),
                                mediabox.getRight() / 3, mediabox.getTop() - 40, 0);
                        break;
                    case 2:
                        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                                new Phrase((tfPhrase.getText().substring(0, iPos - 5)
                                        + " ? "
                                        + tfPhrase.getText().substring(iPos + 1)), font),
                                mediabox.getRight() / 3, mediabox.getTop() - 40, 0);
                        break;
                    default:
                        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                                new Phrase((tfPhrase.getText().substring(0, iPos) + (i - 1)
                                        + tfPhrase.getText().substring(iPos + 1)), font),
                                mediabox.getRight() / 3, mediabox.getTop() - 40, 0);
                    }//from ww w. j  a  v a2s  .  co  m
                } else {
                    if (i == 1)
                        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                                new Phrase((tfPhrase.getText().substring(0, iPos - 5)
                                        + " ? "
                                        + tfPhrase.getText().substring(iPos + 1)), font),
                                mediabox.getRight() / 3, mediabox.getTop() - 40, 0);
                    else
                        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT,
                                new Phrase((tfPhrase.getText().substring(0, iPos) + (i)
                                        + tfPhrase.getText().substring(iPos + 1)), font),
                                mediabox.getRight() / 3, mediabox.getTop() - 40, 0);
                }

            } else {
                ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(tfPhrase.getText(), font),
                        mediabox.getRight() / 3, mediabox.getTop() - 40, 0);
            }
            ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(tf_append.getText(), font),
                    mediabox.getRight() * 2 / 3, mediabox.getTop() - 20, 0);
        }
        stamper.close();
        reader.close();
        if (tf_PagePrint.getLength() > 0) {
            reader = new PdfReader(
                    tf_PathFile.getText().substring(0, tf_PathFile.getLength() - 4) + "_out.pdf");
            reader.selectPages(tf_PagePrint.getText());
            stamper = new PdfStamper(reader, new FileOutputStream(
                    tf_PathFile.getText().substring(0, tf_PathFile.getLength() - 4) + "_out_cut.pdf"));
            stamper.close();
            reader.close();
        }
        lbl_Result.setText("  ");
    }
}