Java VisualizationViewer.getSize方法代码示例

import edu.uci.ics.jung.visualization.VisualizationViewer; //导入方法依赖的package包/类
public ViewLensSupport(VisualizationViewer<V,E> vv, 
		LensTransformer lensTransformer,
        ModalGraphMouse lensGraphMouse) {
    super(vv, lensGraphMouse);
    this.renderContext = vv.getRenderContext();
    this.pickSupport = renderContext.getPickSupport();
    this.savedGraphicsDecorator = renderContext.getGraphicsContext();
    this.lensTransformer = lensTransformer;
    Dimension d = vv.getSize();
    lensTransformer.setViewRadius(d.width/5);
    this.lensGraphicsDecorator = new TransformingFlatnessGraphics(lensTransformer);
    this.savedEdgeRenderer = vv.getRenderer().getEdgeRenderer();
    this.reshapingEdgeRenderer = new ReshapingEdgeRenderer<V,E>();
    this.reshapingEdgeRenderer.setEdgeArrowRenderingSupport(savedEdgeRenderer.getEdgeArrowRenderingSupport());

}
 

import edu.uci.ics.jung.visualization.VisualizationViewer; //导入方法依赖的package包/类
/**
 * create the base class, setting common members and creating
 * a custom GraphMouse
 * @param vv the VisualizationViewer to work on
 */
public MagnifyImageLensSupport(VisualizationViewer<V,E> vv, LensTransformer lensTransformer,
        ModalGraphMouse lensGraphMouse) {
    super(vv, lensGraphMouse);
    this.renderContext = vv.getRenderContext();
    this.pickSupport = renderContext.getPickSupport();
    this.renderer = vv.getRenderer();
    this.transformingRenderer = new BasicRenderer<V,E>();
    this.savedGraphicsDecorator = renderContext.getGraphicsContext();
    this.lensTransformer = lensTransformer;
    this.savedEdgeRenderer = vv.getRenderer().getEdgeRenderer();
    this.reshapingEdgeRenderer = new ReshapingEdgeRenderer<V,E>();
    this.reshapingEdgeRenderer.setEdgeArrowRenderingSupport(savedEdgeRenderer.getEdgeArrowRenderingSupport());

    Dimension d = vv.getSize();
    if(d.width == 0 || d.height == 0) {
        d = vv.getPreferredSize();
    }
    lensTransformer.setViewRadius(d.width/5);
    this.lensGraphicsDecorator = new MagnifyIconGraphics(lensTransformer);
}
 

import edu.uci.ics.jung.visualization.VisualizationViewer; //导入方法依赖的package包/类
public static void autoZoomViewer(VisualizationViewer<?, ?> vv,
		LayerViewer<?, ?> home, Directions direction) {
	if (vv == null || home == null)
		return;

	// reset transforms
	MutableTransformer layoutTrans = vv.getRenderContext()
			.getMultiLayerTransformer()
			.getTransformer(edu.uci.ics.jung.visualization.Layer.LAYOUT);
	layoutTrans.setToIdentity();
	MutableTransformer viewTrans = vv.getRenderContext()
			.getMultiLayerTransformer()
			.getTransformer(edu.uci.ics.jung.visualization.Layer.VIEW);
	viewTrans.setToIdentity();

	Dimension dim = vv.getSize();
	Rectangle2D.Double graphBounds = home.getGraphBoundsCache();

	CrossoverScalingControl scaler = new CrossoverScalingControl();

	// Scale using crossover scaler, so vertices will not grow
	// larger than they are in original
	double factor = Double.POSITIVE_INFINITY;

	if (direction == Directions.HORIZONTAL || direction == Directions.BOTH)
		factor = dim.getWidth() / graphBounds.width;
	if (direction == Directions.VERTICAL || direction == Directions.BOTH
			|| Double.isInfinite(factor))
		factor = Math.min(factor, dim.getHeight() / graphBounds.height);
	scaler.scale(vv, (float) factor, vv.getCenter());

	// Translate center of graph to center of vv.
	Point2D lvc = vv.getRenderContext().getMultiLayerTransformer()
			.inverseTransform(vv.getCenter());
	double dx = (lvc.getX() - graphBounds.getCenterX());
	double dy = (lvc.getY() - graphBounds.getCenterY());
	layoutTrans.translate(dx, dy);
}
 

import edu.uci.ics.jung.visualization.VisualizationViewer; //导入方法依赖的package包/类
public static void autoZoomViewer(VisualizationViewer<?, ?> vv,
                                  LayerViewer<?, ?> home, Directions direction) {
    if (vv == null || home == null)
        return;

    // reset transforms
    MutableTransformer layoutTrans = vv.getRenderContext()
            .getMultiLayerTransformer()
            .getTransformer(edu.uci.ics.jung.visualization.Layer.LAYOUT);
    layoutTrans.setToIdentity();
    MutableTransformer viewTrans = vv.getRenderContext()
            .getMultiLayerTransformer()
            .getTransformer(edu.uci.ics.jung.visualization.Layer.VIEW);
    viewTrans.setToIdentity();

    Dimension dim = vv.getSize();
    Rectangle2D.Double graphBounds = home.getGraphBoundsCache();

    CrossoverScalingControl scaler = new CrossoverScalingControl();

    // Scale using crossover scaler, so vertices will not grow
    // larger than they are in original
    double factor = Double.POSITIVE_INFINITY;

    if (direction == Directions.HORIZONTAL || direction == Directions.BOTH)
        factor = dim.getWidth() / graphBounds.width;
    if (direction == Directions.VERTICAL || direction == Directions.BOTH
            || Double.isInfinite(factor))
        factor = Math.min(factor, dim.getHeight() / graphBounds.height);
    scaler.scale(vv, (float) factor, vv.getCenter());

    // Translate center of graph to center of vv.
    Point2D lvc = vv.getRenderContext().getMultiLayerTransformer()
            .inverseTransform(vv.getCenter());
    double dx = (lvc.getX() - graphBounds.getCenterX());
    double dy = (lvc.getY() - graphBounds.getCenterY());
    layoutTrans.translate(dx, dy);
}
 

import edu.uci.ics.jung.visualization.VisualizationViewer; //导入方法依赖的package包/类
/**
* 
* 
* 
* 
*/
  public void mouseDragged(MouseEvent e) {
      if(down == null) return;
      VisualizationViewer vv = (VisualizationViewer)e.getSource();
      boolean accepted = checkModifiers(e);
      if(accepted) {
          MutableTransformer modelTransformer = 
          	vv.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT);
          vv.setCursor(cursor);
          Point2D q = down;
          Point2D p = e.getPoint();
          float dx = (float) (p.getX()-q.getX());
          float dy = (float) (p.getY()-q.getY());

          Dimension d = vv.getSize();
          float shx = 2.f*dx/d.height;
          float shy = 2.f*dy/d.width;
          Point2D center = vv.getCenter();
          if(p.getX() < center.getX()) {
              shy = -shy;
          }
          if(p.getY() < center.getY()) {
              shx = -shx;
          }
          modelTransformer.shear(shx, shy, center);
          down.x = e.getX();
          down.y = e.getY();
      
          e.consume();
      }
  }
 

import edu.uci.ics.jung.visualization.VisualizationViewer; //导入方法依赖的package包/类
/**
  * create the base class, setting common members and creating
  * a custom GraphMouse
  * @param vv the VisualizationViewer to work on
  */
 public LayoutLensSupport(VisualizationViewer<V,E> vv, LensTransformer lensTransformer,
         ModalGraphMouse lensGraphMouse) {
     super(vv, lensGraphMouse);
     this.lensTransformer = lensTransformer;
     this.pickSupport = vv.getPickSupport();

     Dimension d = vv.getSize();
     if(d.width <= 0 || d.height <= 0) {
         d = vv.getPreferredSize();
     }
     lensTransformer.setViewRadius(d.width/5);
}
 

import edu.uci.ics.jung.visualization.VisualizationViewer; //导入方法依赖的package包/类
/**
 * overridden to shear the main view
 */
public void mouseDragged(MouseEvent e) {
    if(down == null) return;
    VisualizationViewer vv = (VisualizationViewer)e.getSource();
    boolean accepted = checkModifiers(e);
    if(accepted) {
        if(vv instanceof SatelliteVisualizationViewer) {
            VisualizationViewer vvMaster = 
                ((SatelliteVisualizationViewer)vv).getMaster();
            
            MutableTransformer modelTransformerMaster = 
            	vvMaster.getRenderContext().getMultiLayerTransformer().getTransformer(Layer.LAYOUT);

            vv.setCursor(cursor);
            Point2D q = down;
            Point2D p = e.getPoint();
            float dx = (float) (p.getX()-q.getX());
            float dy = (float) (p.getY()-q.getY());

            Dimension d = vv.getSize();
            float shx = 2.f*dx/d.height;
            float shy = 2.f*dy/d.width;
            // I want to compute shear based on the view coordinates of the
            // lens center in the satellite view.
            // translate the master view center to layout coords, then translate
            // that point to the satellite view's view coordinate system....
            Point2D center = vv.getRenderContext().getMultiLayerTransformer().transform(vvMaster.getRenderContext().getMultiLayerTransformer().inverseTransform(vvMaster.getCenter()));
            if(p.getX() < center.getX()) {
                shy = -shy;
            }
            if(p.getY() < center.getY()) {
                shx = -shx;
            }
            modelTransformerMaster.shear(-shx, -shy, vvMaster.getCenter());

            down.x = e.getX();
            down.y = e.getY();
        }
        e.consume();
    }
}