Java PCamera.setPaint方法代码示例

import edu.umd.cs.piccolo.PCamera; //导入方法依赖的package包/类
public void initialize() {
    final PLayer l = new PLayer();
    final PPath n = PPath.createEllipse(0, 0, 100, 80);
    n.setPaint(Color.red);
    n.setStroke(null);
    PBoundsHandle.addBoundsHandlesTo(n);
    l.addChild(n);
    n.translate(200, 200);

    final PCamera c = new PCamera();
    c.setBounds(0, 0, 100, 80);
    c.scaleView(0.1);
    c.addLayer(l);
    PBoundsHandle.addBoundsHandlesTo(c);
    c.setPaint(Color.yellow);

    getCanvas().getLayer().addChild(l);
    getCanvas().getLayer().addChild(c);
}
 

import edu.umd.cs.piccolo.PCamera; //导入方法依赖的package包/类
/**
 * Constructs the default PLens.
 */
public PLens() {
    // Drag bar gets resized to fit the available space, so any rectangle
    // will do here
    dragBar = PPath.createRectangle(0, 0, 1, 1);
    dragBar.setPaint(DEFAULT_DRAGBAR_PAINT);
    // This forces drag events to percolate up to PLens object
    dragBar.setPickable(false);
    addChild(dragBar);

    camera = new PCamera();
    camera.setPaint(DEFAULT_LENS_PAINT);
    addChild(camera);

    // create an event handler to drag the lens around. Note that this event
    // handler consumes events in case another conflicting event handler has
    // been installed higher up in the heirarchy.
    lensDragger = new PDragEventHandler();
    lensDragger.getEventFilter().setMarksAcceptedEventsAsHandled(true);
    addInputEventListener(lensDragger);

    // When this PLens is dragged around adjust the cameras view transform.
    addPropertyChangeListener(PNode.PROPERTY_TRANSFORM, new PropertyChangeListener() {
        public void propertyChange(final PropertyChangeEvent evt) {
            camera.setViewTransform(getInverseTransform());
        }
    });
}
 

import edu.umd.cs.piccolo.PCamera; //导入方法依赖的package包/类
/**
 * Creates a new PFishEye object.
 *
 * @param canvas DOCUMENT ME!
 */
public PFishEye(PCanvas canvas) {
    // call PNode Constructor
    super();

    handle = new PPath();
    handle.setPaint(DEFAULT_DRAGBAR_PAINT);
    handle.setPickable(false); // This forces drag events to percolate up to PLens object
    handle.setPathToPolyline(
        new Point2D[] {
            new Point2D.Double(45, 50),
            new Point2D.Double(50, 45),
            new Point2D.Double(90, 85),
            new Point2D.Double(85, 90),
            new Point2D.Double(45, 50)
        });
    addChild(handle);

    lens = new PClip();
    lens.setPathToEllipse(0, 0, 60, 60);

    camera = new PCamera();
    camera.setPaint(DEFAULT_LENS_PAINT);
    camera.addLayer(
        0,
        canvas.getLayer());
    camera.setBounds(0, 0, 60, 60);
    lens.addChild(camera);
    addChild(lens);

    // create an event handler to drag the lens around. Note that this event
    // handler consumes events in case another conflicting event handler has been
    // installed higher up in the heirarchy.
    //lensDragger = new PFishEyeEventHandler( canvas );
    lensDragger = new PDragEventHandler();
    lensDragger.getEventFilter()
               .setMarksAcceptedEventsAsHandled(true);
    addInputEventListener(lensDragger);

    // When this PLens is dragged around adjust the cameras view transform. 	
    addPropertyChangeListener(
        "transform",
        new PropertyChangeListener() {
            public void propertyChange(PropertyChangeEvent evt) {
                double scale = camera.getViewScale();
                camera.setViewTransform(getInverseTransform());
                camera.scaleViewAboutPoint(
                    scale,
                    camera.getViewBounds().getX(),
                    camera.getViewBounds().getY());
            }
        });
}