Example usage for com.itextpdf.text.pdf PdfName NAME

Introduction

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

Prototype

PdfName NAME

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Document

A name

Usage

From source file:org.orbisgis.core_export.GeoSpatialPDF.java

License:Open Source License

/**
 * This method is used to georeference the pdf.
 * Note : The CRS is not yet supported./*from w  w  w.  java2 s .  co m*/
 *
 * @param writer
 * @param mt
 * @throws IOException
 * @throws DocumentException
 */
public void georefPdf(PdfWriter writer, MapTransform mt) throws IOException, DocumentException {

    PdfStructureTreeRoot tree = writer.getStructureTreeRoot();

    //the part of the document where maps are displayed
    float mapWidth = width;
    float mapHeight = height;
    float mapLX = 0;
    float mapLY = 0;

    //ViewPort Dictionary
    PdfDictionary viewPortDict = new PdfDictionary();
    viewPortDict.put(PdfName.TYPE, new PdfName("Viewport"));
    viewPortDict.put(PdfName.BBOX, new PdfRectangle(mapLX, mapLY, mapLX + mapWidth, mapLY + mapHeight));
    viewPortDict.put(PdfName.NAME, new PdfString("Layers"));

    //Measure dictionary
    PdfDictionary measureDict = new PdfDictionary();
    measureDict.put(PdfName.TYPE, new PdfName("Measure"));
    measureDict.put(PdfName.SUBTYPE, new PdfName("GEO"));

    //Bounds
    PdfArray bounds = new PdfArray();
    bounds.add(new PdfNumber(0));
    bounds.add(new PdfNumber(0));
    bounds.add(new PdfNumber(1));
    bounds.add(new PdfNumber(0));
    bounds.add(new PdfNumber(1));
    bounds.add(new PdfNumber(1));
    bounds.add(new PdfNumber(0));
    bounds.add(new PdfNumber(1));

    measureDict.put(new PdfName("Bounds"), bounds);

    //GPTS
    Envelope adjustedBbox = mt.getAdjustedExtent();

    if (!adjustedBbox.isNull()) {

        //ly lx ly ux uy ux uy lx
        PdfArray gptsTable = new PdfArray();
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMinY()).toString()));
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMinX()).toString()));
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMinY()).toString()));
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMaxX()).toString()));
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMaxY()).toString()));
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMaxX()).toString()));
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMaxY()).toString()));
        gptsTable.add(new PdfNumber(((Double) adjustedBbox.getMinX()).toString()));

        measureDict.put(new PdfName("GPTS"), gptsTable);

        //The CRS will be added when the mapcontext will support it.

        //            //GCS Geospatial Coordinate system
        //            PdfDictionary gcsDict = new PdfDictionary();
        //            if (context.getBbox().getCrs() != null) {
        //
        //                if (context.getBbox().getCrs().getType() != null) {
        //                    gcsDict.put(PdfName.TYPE, new PdfName(context.getBbox().getCrs().getType()));
        //                } else {
        //                    LOGGER.warn("No type of crs : the pdf cannot be georeferenced");
        //                    return;
        //                }
        //
        //                if (context.getBbox().getCrs().getEpsg() != 0) {
        //                    gcsDict.put(new PdfName("EPSG"), new PdfNumber(context.getBbox().getCrs().getEpsg()));
        //                } else {
        //                    LOGGER.warn("No epsg : the pdf cannot be georeferenced");
        //                    return;
        //                }
        //
        //
        //            } else {
        //                LOGGER.warn("No crs :  the pdf cannot be georeferenced");
        //
        //            }
        //
        //            measureDict.put(new PdfName("GCS"), gcsDict);
    } else {
        LOGGER.warn("Envelope of bbox null : the pdf cannot be georeferenced");

    }

    //PDU : array of units
    PdfArray pdu = new PdfArray();
    pdu.add(new PdfName("KM"));
    pdu.add(new PdfName("SQKM"));
    pdu.add(new PdfName("DEG"));

    measureDict.put(new PdfName("PDU"), pdu);

    //LPTS
    PdfArray lptsTable = new PdfArray();
    lptsTable.add(new PdfNumber(0));
    lptsTable.add(new PdfNumber(0));
    lptsTable.add(new PdfNumber(1));
    lptsTable.add(new PdfNumber(0));
    lptsTable.add(new PdfNumber(1));
    lptsTable.add(new PdfNumber(1));
    lptsTable.add(new PdfNumber(0));
    lptsTable.add(new PdfNumber(1));

    measureDict.put(new PdfName("LPTS"), lptsTable);

    viewPortDict.put(new PdfName("Measure"), measureDict);

    PdfStructureElement top = new PdfStructureElement(tree, new PdfName("VP"));
    top.putAll(viewPortDict);
}

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