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

Example 6 with PreviewController

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

the class PNGExporter method execute.

@Override
public boolean execute() {
    Progress.start(progress);
    PreviewController ctrl = Lookup.getDefault().lookup(PreviewController.class);
    PreviewModel m = ctrl.getModel(workspace);
    setExportProperties(m);
    ctrl.refreshPreview(workspace);
    target = (G2DTarget) ctrl.getRenderTarget(RenderTarget.G2D_TARGET, workspace);
    if (target instanceof LongTask) {
        ((LongTask) target).setProgressTicket(progress);
    }
    try {
        target.refresh();
        Progress.switchToIndeterminate(progress);
        Image sourceImg = target.getImage();
        BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        img.getGraphics().drawImage(sourceImg, 0, 0, null);
        ImageIO.write(img, "png", stream);
        stream.close();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    discardExportProperties(m);
    Progress.finish(progress);
    return !cancel;
}

Example 7 with PreviewController

use of org.gephi.preview.api.PreviewController 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;
}

Example 8 with PreviewController

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

the class PreviewWorkspaceDuplicateProvider method duplicate.

@Override
public void duplicate(Workspace source, Workspace destination) {
    PreviewController previewController = Lookup.getDefault().lookup(PreviewController.class);
    PreviewModel sourceModel = previewController.getModel(source);
    PreviewModel destModel = previewController.getModel(destination);
    destModel.setManagedRenderers(sourceModel.getManagedRenderers());
    for (PreviewProperty property : sourceModel.getProperties().getProperties()) {
        destModel.getProperties().putValue(property.getName(), property.getValue());
    }
    for (Entry<String, Object> property : sourceModel.getProperties().getSimpleValues()) {
        destModel.getProperties().putValue(property.getKey(), property.getValue());
    }
}