Java VisualizationImageServer.setBackground方法代码示例

import edu.uci.ics.jung.visualization.VisualizationImageServer; //导入方法依赖的package包/类
void visualizeGraphAndDumpToFile(String fileName){
	Layout<Integer,Integer> l = new KKLayout<Integer,Integer>( assocG);
	VisualizationImageServer<Integer, Integer> vis =
		    new VisualizationImageServer<Integer, Integer>(l, new Dimension(1200,1200));
	vis.setBackground(Color.WHITE);
	
	// Create the buffered image
	BufferedImage image = (BufferedImage) vis.getImage (
	    new Point2D.Double(l.getSize().getWidth() / 2,
	    l.getSize().getHeight() / 2),
	    new Dimension(l.getSize()));

	// Write image to a png file
	File outputfile = new File(fileName);

	try {
	    ImageIO.write(image, "png", outputfile);
	
	} catch (IOException e) {
	    // Exception handling
		e.printStackTrace();
		System.exit(1);
	}

}
 

import edu.uci.ics.jung.visualization.VisualizationImageServer; //导入方法依赖的package包/类
public void writeServerJPEGImage(File file) {
    VisualizationImageServer<Vertex, Edge> vis = new VisualizationImageServer<Vertex, Edge>(vv.getGraphLayout(), vv.getGraphLayout().getSize());
    vis.setBackground(Color.WHITE);
    vis.getRenderContext().setEdgeDrawPaintTransformer(edgeColor);
    vis.getRenderContext().setVertexIconTransformer(vertexColor);

    BufferedImage image = (BufferedImage) vis.getImage(
            new Point2D.Double(vis.getWidth(), vis.getHeight()),
            new Dimension(vv.getGraphLayout().getSize()));

    try {
        ImageIO.write(image, "jpeg", file);
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

import edu.uci.ics.jung.visualization.VisualizationImageServer; //导入方法依赖的package包/类
@Override
protected BufferedImage getExportImage() {

	Dimension d = view.getGraphLayout().getSize();
	d.setSize( d.getWidth() * 1.2, d.getHeight() * 1.2 );

	VisualizationImageServer<SEMOSSVertex, SEMOSSEdge> vis
			= new VisualizationImageServer<>( view.getGraphLayout(), d );

	vis.setBackground( view.getBackground() );
	vis.setRenderContext( view.getRenderContext() );

	try {
		// the visualization server seems to take a little time to render
		// correctly. Wait a little before processing the image
		// (this is really just voodoo...I don't know if/why it works)
		Thread.sleep( 500 );
	}
	catch ( Exception e ) {
		log.error( e, e );
	}

	BufferedImage image = (BufferedImage) vis.getImage(
			new Point2D.Double( view.getGraphLayout().getSize().getWidth(),
					view.getGraphLayout().getSize().getHeight() ),
			new Dimension( view.getGraphLayout().getSize() ) );
	return image;
}
 

import edu.uci.ics.jung.visualization.VisualizationImageServer; //导入方法依赖的package包/类
/**
 * Writes a graph as a PNG image.
 * @param outputFile the output file
 * @param selectedComponent the component to highlight
 * @param layout the layout
 * @param graph the graph
 * @param edgeShapeTransformer the transformer for edge shapes (straight line, curved line, etc)
 * @throws IOException if something went wrong
 */
public static void writeGraph(
		File outputFile,
		Component selectedComponent,
		Layout<AbstractType,String> layout,
		Graph<AbstractType,String> graph ,
		AbstractEdgeShapeTransformer<AbstractType,String> edgeShapeTransformer,
		Map<String,String> options )
throws IOException {

	VisualizationImageServer<AbstractType,String> vis =
			new VisualizationImageServer<AbstractType,String>( layout, layout.getSize());

	vis.setBackground( Color.WHITE );
	vis.getRenderContext().setEdgeLabelTransformer( new NoStringLabeller ());
	vis.getRenderContext().setEdgeShapeTransformer( edgeShapeTransformer );

	vis.getRenderContext().setVertexLabelTransformer( new ToStringLabeller<AbstractType> ());
	vis.getRenderContext().setVertexShapeTransformer( new VertexShape());
	vis.getRenderContext().setVertexFontTransformer( new VertexFont());

	Color defaultBgColor = decode( options.get( DocConstants.OPTION_IMG_BACKGROUND_COLOR ), DocConstants.DEFAULT_BACKGROUND_COLOR );
	Color highlightBgcolor = decode( options.get( DocConstants.OPTION_IMG_HIGHLIGHT_BG_COLOR ), DocConstants.DEFAULT_HIGHLIGHT_BG_COLOR );
	vis.getRenderContext().setVertexFillPaintTransformer( new VertexColor( selectedComponent, defaultBgColor, highlightBgcolor ));

	Color defaultFgColor = decode( options.get( DocConstants.OPTION_IMG_FOREGROUND_COLOR ), DocConstants.DEFAULT_FOREGROUND_COLOR );
	vis.getRenderContext().setVertexLabelRenderer( new MyVertexLabelRenderer( selectedComponent, defaultFgColor ));
	vis.getRenderer().getVertexLabelRenderer().setPosition( Position.CNTR );

	BufferedImage image = (BufferedImage) vis.getImage(
			new Point2D.Double(
					layout.getSize().getWidth() / 2,
					layout.getSize().getHeight() / 2),
			new Dimension( layout.getSize()));

	ImageIO.write( image, "png", outputFile );
}
 

import edu.uci.ics.jung.visualization.VisualizationImageServer; //导入方法依赖的package包/类
@Override
public VisualizationImageServer<V, Edge<V>> getVisualizationServer(boolean toSvg) {
	VisualizationImageServer<V, Edge<V>> server = new VisualizationImageServer<>(viewer.getGraphLayout(),
			viewer.getSize());

	server.setBackground(Color.WHITE);
	server.setRenderContext(viewer.getRenderContext());
	server.setRenderer(viewer.getRenderer());
	server.addPostRenderPaintable(new PostPaintable());

	return server;
}