Example usage for com.lowagie.text Image setAlt

Introduction

In this page you can find the example usage for com.lowagie.text Image setAlt.

Prototype

public void setAlt(String alt) 

Source Link

Document

Sets the alternative information for the image.

Usage

From source file:be.fedict.eid.applet.service.impl.PdfGenerator.java

License:Open Source License

/**
 * Create a PDF image from eID photo/*from w  ww  . j a v  a 2  s  .c om*/
 *
 * @param photoData raw bytes
 * @return PDF image
 * @throws IOException
 * @throws BadElementException
 */
private Image createImageFromPhoto(byte[] photoData) throws IOException, BadElementException {
    Image image = Image.getInstance(photoData);
    image.setAlt("Photo");
    image.setAlignment(Element.ALIGN_CENTER);
    image.setSpacingAfter(20);

    return image;
}

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From source file:com.amphisoft.epub2pdf.content.XhtmlHandler.java

License:Open Source License

private void handleImage(String url, String alt, String borderWidth, String alignment)
        throws DocumentException {
    float marginTopPt = document.topMargin();
    float marginBottomPt = document.bottomMargin();
    float marginLeftPt = document.leftMargin();
    float marginRightPt = document.rightMargin();

    if (url == null)
        return;//from   ww w.j  a  v  a  2 s.co  m
    Image img = null;
    String imgSimpleName = "";
    try {
        File imgFile = new File(xhtmlDir, url);
        String imgPath = imgFile.getCanonicalPath();
        imgSimpleName = imgFile.getName();
        img = Image.getInstance(imgPath);
        if (alt == null) {
            alt = imgSimpleName;
        }
        img.setAlt(alt);
    } catch (Exception e) {
        printlnerr("epub2pdf: problem adding image " + imgSimpleName + ": " + e.getMessage());
        return;
    }
    if (borderWidth != null) {
        int border = Integer.parseInt(borderWidth);
        if (border == 0) {
            img.setBorder(Image.NO_BORDER);
        } else {
            img.setBorder(Image.BOX);
            img.setBorderWidth(border);
        }
    }

    if (alignment != null) {
        int align = Image.DEFAULT;
        if (ElementTags.ALIGN_LEFT.equalsIgnoreCase(alignment))
            align = Image.LEFT;
        else if (ElementTags.ALIGN_RIGHT.equalsIgnoreCase(alignment))
            align = Image.RIGHT;
        else if (ElementTags.ALIGN_MIDDLE.equalsIgnoreCase(alignment))
            align = Image.MIDDLE;
        img.setAlignment(align | Image.TEXTWRAP);
    } else {
        img.setAlignment(Image.MIDDLE);
    }

    Rectangle pageRect = document.getPageSize();
    float verticalMarginTotal = marginTopPt + marginBottomPt;
    float horizontalMarginTotal = marginLeftPt + marginRightPt;

    float imgMaxWidth = pageRect.getWidth() - horizontalMarginTotal - 2;
    float imgMaxHeight = pageRect.getHeight() - verticalMarginTotal - 2;

    float imgOrigWidth = img.getWidth();
    float imgOrigHeight = img.getHeight();

    if (imgOrigHeight > imgMaxHeight || imgOrigWidth > imgMaxWidth) {
        img.scaleToFit(imgMaxWidth, imgMaxHeight);
    }
    boolean addOK = addToDocument(img);
    if (!addOK) {
        System.err.println("** addToDocument(" + img.getUrl() + ") returned false");
    }

}

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