Example usage for com.itextpdf.text.pdf ColumnText setUseAscender

Introduction

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

Prototype

public void setUseAscender(final boolean useAscender) 

Source Link

Document

Enables/Disables adjustment of first line height based on max ascender.

Usage

From source file:mkl.testarea.itext5.pdfcleanup.StrictPdfCleanUpProcessor.java

License:Open Source License

private void drawOverlayText(PdfContentByte canvas, List<Rectangle> textRectangles, PdfString overlayText,
        PdfString otDA, PdfNumber otQ, PdfBoolean otRepeat) throws DocumentException, IOException {
    ColumnText ct = new ColumnText(canvas);
    ct.setLeading(0, 1.2F);//from   w w w.  ja  va 2  s  . co m
    ct.setUseAscender(true);

    String otStr = overlayText.toUnicodeString();

    canvas.saveState();
    Map<String, List> parsedDA = parseDAParam(otDA);

    Font font = null;

    if (parsedDA.containsKey(STROKE_COLOR)) {
        List strokeColorArgs = parsedDA.get(STROKE_COLOR);
        setStrokeColor(canvas, strokeColorArgs);
    }

    if (parsedDA.containsKey(FILL_COLOR)) {
        List fillColorArgs = parsedDA.get(FILL_COLOR);
        setFillColor(canvas, fillColorArgs);
    }

    if (parsedDA.containsKey("Tf")) {
        List tfArgs = parsedDA.get("Tf");
        font = retrieveFontFromAcroForm((PdfName) tfArgs.get(0), (PdfNumber) tfArgs.get(1));
    }

    for (Rectangle textRect : textRectangles) {
        ct.setSimpleColumn(textRect);

        if (otQ != null) {
            ct.setAlignment(otQ.intValue());
        }

        Phrase otPhrase;

        if (font != null) {
            otPhrase = new Phrase(otStr, font);
        } else {
            otPhrase = new Phrase(otStr);
        }

        float y = ct.getYLine();

        if (otRepeat != null && otRepeat.booleanValue()) {
            int status = ct.go(true);

            while (!ColumnText.hasMoreText(status)) {
                otPhrase.add(otStr);
                ct.setText(otPhrase);
                ct.setYLine(y);
                status = ct.go(true);
            }
        }

        ct.setText(otPhrase);
        ct.setYLine(y);
        ct.go();
    }

    canvas.restoreState();
}

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