Examples with PreviewProperties org.gephi.preview.api.PreviewProperties used on opensource projects

Example 1 with PreviewProperties

use of org.gephi.preview.api.PreviewProperties in project gephi by gephi.

the class PDFExporter method execute.

@Override
public boolean execute() {
    Progress.start(progress);
    PreviewController controller = Lookup.getDefault().lookup(PreviewController.class);
    controller.getModel(workspace).getProperties().putValue(PreviewProperty.VISIBILITY_RATIO, 1.0);
    controller.refreshPreview(workspace);
    PreviewProperties props = controller.getModel(workspace).getProperties();
    Rectangle size = new Rectangle(pageSize);
    if (landscape) {
        size = new Rectangle(pageSize.rotate());
    }
    Color col = props.getColorValue(PreviewProperty.BACKGROUND_COLOR);
    size.setBackgroundColor(new BaseColor(col.getRed(), col.getGreen(), col.getBlue()));
    Document document = new Document(size);
    PdfWriter pdfWriter = null;
    try {
        pdfWriter = PdfWriter.getInstance(document, stream);
        pdfWriter.setPdfVersion(PdfWriter.PDF_VERSION_1_5);
        pdfWriter.setFullCompression();
    } catch (DocumentException ex) {
        Exceptions.printStackTrace(ex);
    }
    document.open();
    PdfContentByte cb = pdfWriter.getDirectContent();
    cb.saveState();
    props.putValue(PDFTarget.LANDSCAPE, landscape);
    props.putValue(PDFTarget.PAGESIZE, size);
    props.putValue(PDFTarget.MARGIN_TOP, new Float((float) marginTop));
    props.putValue(PDFTarget.MARGIN_LEFT, new Float((float) marginLeft));
    props.putValue(PDFTarget.MARGIN_BOTTOM, new Float((float) marginBottom));
    props.putValue(PDFTarget.MARGIN_RIGHT, new Float((float) marginRight));
    props.putValue(PDFTarget.PDF_CONTENT_BYTE, cb);
    target = (PDFTarget) controller.getRenderTarget(RenderTarget.PDF_TARGET, workspace);
    if (target instanceof LongTask) {
        ((LongTask) target).setProgressTicket(progress);
    }
    try {
        controller.render(target, workspace);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    cb.restoreState();
    document.close();
    Progress.finish(progress);
    props.putValue(PDFTarget.PDF_CONTENT_BYTE, null);
    props.putValue(PDFTarget.PAGESIZE, null);
    return !cancel;
}

Example 2 with PreviewProperties

use of org.gephi.preview.api.PreviewProperties in project gephi-plugins-bootcamp by gephi.

the class NodesZOrdering method getItems.

@Override
public Item[] getItems(Graph graph) {
    // Get the current preview model, little hack to get the current workspace from the graph
    PreviewController previewController = Lookup.getDefault().lookup(PreviewController.class);
    PreviewModel previewModel = previewController.getModel();
    // Get the sort column from the properties, if any
    PreviewProperties previewProperties = previewModel.getProperties();
    final Column sortColumn = previewProperties.getValue(SORT_COLUMN);
    // Get the standard node items from the node builder
    Item[] nodeItems = super.getItems(graph);
    if (sortColumn != null) {
        // Sort by column
        Arrays.sort(nodeItems, new Comparator<Item>() {

            @Override
            public int compare(Item o1, Item o2) {
                Node n1 = (Node) o1.getSource();
                Node n2 = (Node) o2.getSource();
                Number s1 = (Number) n1.getAttribute(sortColumn);
                Number s2 = (Number) n2.getAttribute(sortColumn);
                double size1 = s1 == null ? Double.NEGATIVE_INFINITY : s1.doubleValue();
                double size2 = s2 == null ? Double.NEGATIVE_INFINITY : s2.doubleValue();
                return size1 > size2 ? 1 : size1 < size2 ? -1 : 0;
            }
        });
    } else {
        // Sort by node size
        Arrays.sort(nodeItems, new Comparator<Item>() {

            @Override
            public int compare(Item o1, Item o2) {
                Node n1 = (Node) o1.getSource();
                Node n2 = (Node) o2.getSource();
                float size1 = n1.size();
                float size2 = n2.size();
                return size1 > size2 ? 1 : size1 < size2 ? -1 : 0;
            }
        });
    }
    return nodeItems;
}

Example 3 with PreviewProperties

use of org.gephi.preview.api.PreviewProperties in project gephi-plugins-bootcamp by gephi.

the class JPGExporter method execute.

@Override
public boolean execute() {
    PreviewController controller = Lookup.getDefault().lookup(PreviewController.class);
    controller.getModel(workspace).getProperties().putValue(PreviewProperty.VISIBILITY_RATIO, 1.0);
    controller.refreshPreview(workspace);
    PreviewProperties props = controller.getModel(workspace).getProperties();
    props.putValue("width", width);
    props.putValue("height", height);
    target = (G2DTarget) controller.getRenderTarget(RenderTarget.G2D_TARGET, workspace);
    try {
        target.refresh();
        Graphics2D pg2 = (Graphics2D) target.getGraphics();
        BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        pg2.drawImage(img, null, 0, 0);
        ImageIO.write(img, "jpg", stream);
        stream.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return true;
}

Example 4 with PreviewProperties

use of org.gephi.preview.api.PreviewProperties in project gephi by gephi.

the class PNGExporter method discardExportProperties.

private synchronized void discardExportProperties(PreviewModel m) {
    PreviewProperties props = m.getProperties();
    props.removeSimpleValue("width");
    props.removeSimpleValue("height");
    props.removeSimpleValue(PreviewProperty.MARGIN);
    props.putValue(PreviewProperty.BACKGROUND_COLOR, oldColor);
}

Example 5 with PreviewProperties

use of org.gephi.preview.api.PreviewProperties in project gephi by gephi.

the class SVGExporter method execute.

@Override
public boolean execute() {
    PreviewController controller = Lookup.getDefault().lookup(PreviewController.class);
    controller.getModel(workspace).getProperties().putValue(PreviewProperty.VISIBILITY_RATIO, 1.0);
    controller.refreshPreview(workspace);
    PreviewProperties props = controller.getModel(workspace).getProperties();
    props.putValue(SVGTarget.SCALE_STROKES, scaleStrokes);
    props.putValue(PreviewProperty.MARGIN, new Float((float) margin));
    target = (SVGTarget) controller.getRenderTarget(RenderTarget.SVG_TARGET, workspace);
    if (target instanceof LongTask) {
        ((LongTask) target).setProgressTicket(progress);
    }
    try {
        controller.render(target, workspace);
        // creates SVG-to-SVG transcoder
        SVGTranscoder t = new SVGTranscoder();
        t.addTranscodingHint(SVGTranscoder.KEY_XML_DECLARATION, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
        // sets transcoder input and output
        TranscoderInput input = new TranscoderInput(target.getDocument());
        // performs transcoding
        try {
            TranscoderOutput output = new TranscoderOutput(writer);
            t.transcode(input, output);
        } finally {
            writer.close();
            props.removeSimpleValue(PreviewProperty.MARGIN);
        }
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    Progress.finish(progress);
    return !cancel;
}