Example usage for com.itextpdf.text.pdf PdfLayer addChild

Introduction

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

Prototype

public void addChild(PdfLayer child) 

Source Link

Document

Adds a child layer.

Usage

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

License:Open Source License

/**
 * Process all layers in the layermodel and build the corresponding pdf tree
 * layer/*from  w ww .  jav a 2 s  .c  o m*/
 *
 * @param layer
 */
private void processSubLayer(ILayer layer, MapTransform mt, PdfWriter writer, PdfContentByte cb,
        ProgressMonitor pm, PdfLayer mainLayer) {
    if (layer.acceptsChilds() && layer.getLayerCount() > 0) {
        PdfLayer groupLayer = new PdfLayer(layer.getName(), writer);
        //To manage group of layers
        for (ILayer subLayer : layer.getChildren()) {
            processSubLayer(subLayer, mt, writer, cb, pm, groupLayer);
        }

    } else {
        if (layer.isVisible() && layer.getEnvelope().intersects(mt.getAdjustedExtent())) {
            PdfLayer mapLayer = new PdfLayer(layer.getName(), writer);
            if (mainLayer != null) {
                mainLayer.addChild(mapLayer);
            }
            PdfTemplate layerTemplate = cb.createTemplate(width, height);
            Graphics2D g2dLayer = layerTemplate.createGraphics(width, height);
            cb.beginLayer(mapLayer);
            PdfRenderer renderer2 = new PdfRenderer(layerTemplate, width, height);
            renderer2.draw(mt, g2dLayer, (int) width, (int) height, layer, pm);
            cb.addTemplate(layerTemplate, 0, 0);
            g2dLayer.dispose();
            cb.endLayer();
        }
    }
}

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