Example usage for com.itextpdf.text.pdf PdfContentByte beginLayer

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfContentByte beginLayer.

Prototype

public void beginLayer(final PdfOCG layer) 

Source Link

Document

Begins a graphic block whose visibility is controlled by the layer.

Usage

From source file:com.vectorprint.report.itext.DefaultElementProducer.java

License:Open Source License

@Override
public PdfLayer startLayerInGroup(String groupId, PdfContentByte canvas) {
    PdfLayer pl;//www.ja va2  s  . c o  m
    try {
        pl = new PdfLayer(groupId + CHILD_LAYERSUFFIX, canvas.getPdfWriter());
    } catch (IOException ex) {
        throw new VectorPrintRuntimeException(ex);
    }
    initLayerGroup(groupId, canvas).addChild(pl);
    canvas.beginLayer(pl);
    return pl;
}

---

From source file:com.vectorprint.report.itext.DefaultElementProducer.java

License:Open Source License

@Override
public PdfLayer initLayerGroup(String layerId, PdfContentByte canvas) {
    if (!layerGroups.containsKey(layerId)) {
        PdfLayer parent;/*  w ww  .jav a2s. c  o  m*/
        try {
            parent = new PdfLayer(layerId, canvas.getPdfWriter());
        } catch (IOException ex) {
            throw new VectorPrintRuntimeException(ex);
        }
        layerGroups.put(layerId, parent);
        canvas.beginLayer(parent);
        canvas.endLayer();
    }
    return layerGroups.get(layerId);
}

---

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. j a  v  a  2 s.  c om
 *
 * @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();
        }
    }
}

---

From source file:org.orbisgis.mapcomposer.controller.utils.exportThreads.ExportPDFThread.java

License:Open Source License

@Override
public void run() {
    try {//  ww w  .j  a va2  s  .c o m
        Document pdfDocument = null;
        //Find the Document GE to create the BufferedImage where all the GE will be drawn
        for (GraphicalElement ge : geIsVectorMap.keySet()) {
            if (ge instanceof org.orbisgis.mapcomposer.model.graphicalelement.element.Document) {
                pdfDocument = new Document(new Rectangle(ge.getWidth(), ge.getHeight()));
                height = ge.getHeight();
            }
        }
        //If no Document was created, throw an exception
        if (pdfDocument == null) {
            throw new IllegalArgumentException(i18n.tr(
                    "Error on export : The list of GraphicalElement to export does not contain any Document GE."));
        }
        //Open the document
        PdfWriter writer = PdfWriter.getInstance(pdfDocument, new FileOutputStream(path));
        writer.setUserProperties(true);
        writer.setRgbTransparencyBlending(true);
        writer.setTagged();
        pdfDocument.open();

        PdfContentByte cb = writer.getDirectContent();

        progressBar.setIndeterminate(true);
        progressBar.setStringPainted(true);
        progressBar.setString(i18n.tr("Exporting the document ..."));

        int geCount = 0;
        int numberOfGe[] = new int[geManager.getRegisteredGEClasses().size()];
        for (int i = 0; i < numberOfGe.length; i++) {
            numberOfGe[i] = 0;
        }
        //Draw each GraphicalElement in the BufferedImage
        for (GraphicalElement ge : geStack) {
            if ((ge instanceof org.orbisgis.mapcomposer.model.graphicalelement.element.Document))
                continue;

            double rad = Math.toRadians(ge.getRotation());
            double newHeight = Math.abs(sin(rad) * ge.getWidth()) + Math.abs(cos(rad) * ge.getHeight());
            double newWidth = Math.abs(sin(rad) * ge.getHeight()) + Math.abs(cos(rad) * ge.getWidth());

            int maxWidth = Math.max((int) newWidth, ge.getWidth());
            int maxHeight = Math.max((int) newHeight, ge.getHeight());

            String layerName = ge.getGEName()
                    + numberOfGe[geManager.getRegisteredGEClasses().indexOf(ge.getClass())];

            if (geIsVectorMap.get(ge)) {
                PdfTemplate pdfTemplate = cb.createTemplate(maxWidth, maxHeight);
                Graphics2D g2dTemplate = pdfTemplate.createGraphics(maxWidth, maxHeight);
                PdfLayer layer = new PdfLayer(layerName, writer);
                cb.beginLayer(layer);
                ((RendererVector) geManager.getRenderer(ge.getClass())).drawGE(g2dTemplate, ge);
                cb.addTemplate(pdfTemplate, ge.getX() + (ge.getWidth() - maxWidth) / 2,
                        -ge.getY() + height - ge.getHeight() + (ge.getHeight() - maxHeight) / 2);
                g2dTemplate.dispose();
                cb.endLayer();
            }

            else {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                BufferedImage bi = ((RendererRaster) geManager.getRenderer(ge.getClass())).createGEImage(ge,
                        null);
                ImageIO.write(bi, "png", baos);
                Image image = Image.getInstance(baos.toByteArray());
                image.setAbsolutePosition(ge.getX() + (ge.getWidth() - maxWidth) / 2,
                        -ge.getY() + height - ge.getHeight() + (ge.getHeight() - maxHeight) / 2);

                PdfTemplate pdfTemplate = cb.createTemplate(maxWidth, maxHeight);
                Graphics2D g2dTemplate = pdfTemplate.createGraphics(maxWidth, maxHeight);
                PdfLayer layer = new PdfLayer(layerName, writer);
                cb.beginLayer(layer);
                g2dTemplate.drawImage(bi, 0, 0, null);
                cb.addTemplate(pdfTemplate, ge.getX() + (ge.getWidth() - maxWidth) / 2,
                        -ge.getY() + height - ge.getHeight() + (ge.getHeight() - maxHeight) / 2);
                g2dTemplate.dispose();
                cb.endLayer();
            }
            numberOfGe[geManager.getRegisteredGEClasses().indexOf(ge.getClass())]++;

            progressBar.setIndeterminate(false);
            progressBar.setValue((geCount * 100) / geIsVectorMap.keySet().size());
            progressBar.revalidate();
            geCount++;
        }

        pdfDocument.close();
        //Wait a bit before erasing the progress bar
        progressBar.setValue(progressBar.getMaximum());
        progressBar.setString(i18n.tr("Document successfully exported."));
        try {
            Thread.sleep(1500);
        } catch (InterruptedException e) {
            LoggerFactory.getLogger(ExportPDFThread.class).error(e.getMessage());
        }
        progressBar.setValue(0);
        progressBar.setStringPainted(false);

    } catch (IllegalArgumentException | IOException | DocumentException ex) {
        LoggerFactory.getLogger(ExportPDFThread.class).error(ex.getMessage());
    }
}

---