Example usage for org.apache.pdfbox.pdmodel.font PDType1Font PDType1Font

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel.font PDType1Font PDType1Font.

Prototype

public PDType1Font(COSDictionary fontDictionary) throws IOException 

Source Link

Document

Creates a Type 1 font from a Font dictionary in a PDF.

Usage

From source file:org.nuxeo.pdf.PDFPageNumbering.java

License:Open Source License

/**
 * Add page numbers and returns a <i>new</i> Blob. Original blob is not
 * modified. This code assumes:/*from w w  w.j av  a2 s  .  co  m*/
 * <ul>
 * <li>There is no page numbers already (it always draw the numbers)</li>
 * <li>The pdf is not rotated</li>
 * <li>Default values apply:
 * <ul>
 * <li><code>inStartAtPage</code> and <code>inStartAtNumber</code> are set
 * to 1 if they are passed < 1.</li>
 * <li>If <code>inStartAtPage</code> is > number of pages it also is reset
 * to 1</li>
 * <li><code>inFontName</code> is set to "Helvetica" if "" or null</li>
 * <li><code>inFontSize</code> is <= 0, it is set to 16</li>
 * <li><code>inHex255Color</code> is set to black if "", null or if its
 * length < 6. Expected format is 0xrrggbb, #rrggbb or just rrggbb</li>
 * <li><code>inPosition</code> is set to <code>BOTTOM_RIGHT</code> if null</li>
 * </ul>
 * </li>
 * <li></li>
 * </ul>
 *
 * @param inBlob
 * @param inStartAtPage
 * @param inStartAtNumber
 * @param inFontName
 * @param inFontSize
 * @param inHex255Color
 * @param inPosition
 * @return Blob
 * @throws IOException
 * @throws COSVisitorException
 *
 * @since 5.9.5
 */
public Blob addPageNumbers(int inStartAtPage, int inStartAtNumber, String inFontName, float inFontSize,
        String inHex255Color, PAGE_NUMBER_POSITION inPosition) throws IOException, COSVisitorException {

    Blob result = null;
    PDDocument doc = null;

    inStartAtPage = inStartAtPage < 1 ? 1 : inStartAtPage;
    int pageNumber = inStartAtNumber < 1 ? 1 : inStartAtNumber;
    inFontSize = inFontSize <= 0 ? DEFAULT_FONT_SIZE : inFontSize;

    int[] rgb = PDFUtils.hex255ToRGB(inHex255Color);

    try {
        doc = PDDocument.load(blob.getStream());
        List<?> allPages;
        PDFont font;
        int max;

        if (inFontName == null || inFontName.isEmpty()) {
            font = PDType1Font.HELVETICA;
        } else {
            font = PDType1Font.getStandardFont(inFontName);
            if (font == null) {
                font = new PDType1Font(inFontName);
            }
        }

        allPages = doc.getDocumentCatalog().getAllPages();
        max = allPages.size();
        inStartAtPage = inStartAtPage > max ? 1 : inStartAtPage;
        for (int i = inStartAtPage; i <= max; i++) {
            String pageNumAsStr = "" + pageNumber;
            pageNumber += 1;

            PDPage page = (PDPage) allPages.get(i - 1);
            PDPageContentStream footercontentStream = new PDPageContentStream(doc, page, true, true);

            float stringWidth = font.getStringWidth(pageNumAsStr) * inFontSize / 1000f;
            float stringHeight = font.getFontDescriptor().getFontBoundingBox().getHeight() * inFontSize / 1000;
            PDRectangle pageRect = page.findMediaBox();

            float xMoveAmount, yMoveAmount;

            if (inPosition == null) {
                inPosition = PAGE_NUMBER_POSITION.BOTTOM_RIGHT;
            }
            switch (inPosition) {
            case BOTTOM_LEFT:
                xMoveAmount = 10;
                yMoveAmount = pageRect.getLowerLeftY() + 10;
                break;

            case BOTTOM_CENTER:
                xMoveAmount = (pageRect.getUpperRightX() / 2) - (stringWidth / 2);
                yMoveAmount = pageRect.getLowerLeftY() + 10;
                break;

            case TOP_LEFT:
                xMoveAmount = 10;
                yMoveAmount = pageRect.getHeight() - stringHeight - 10;
                break;

            case TOP_CENTER:
                xMoveAmount = (pageRect.getUpperRightX() / 2) - (stringWidth / 2);
                yMoveAmount = pageRect.getHeight() - stringHeight - 10;
                break;

            case TOP_RIGHT:
                xMoveAmount = pageRect.getUpperRightX() - 10 - stringWidth;
                yMoveAmount = pageRect.getHeight() - stringHeight - 10;
                break;

            // Bottom-right is the default
            default:
                xMoveAmount = pageRect.getUpperRightX() - 10 - stringWidth;
                yMoveAmount = pageRect.getLowerLeftY() + 10;
                break;
            }

            footercontentStream.beginText();
            footercontentStream.setFont(font, inFontSize);
            footercontentStream.moveTextPositionByAmount(xMoveAmount, yMoveAmount);
            footercontentStream.setNonStrokingColor(rgb[0], rgb[1], rgb[2]);
            footercontentStream.drawString(pageNumAsStr);
            footercontentStream.endText();
            footercontentStream.close();
        }

        File tempFile = File.createTempFile("pdfutils-", ".pdf");
        doc.save(tempFile);
        result = new FileBlob(tempFile);
        Framework.trackFile(tempFile, result);

    } finally {
        if (doc != null) {
            doc.close();
        }
    }

    return result;
}

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