Java Polyline.setPoints方法代码示例

import org.eclipse.draw2d.Polyline; //导入方法依赖的package包/类
/**
 * A simple line, as wide as the bounds.
 * 
 * @see seg.jUCMNav.figures.PathNodeFigure#createFigure()
 */
protected void createFigure() {
    mainFigure = new Polygon();
    edges = new PointList();
    
    int barWidth = 6 / 2;

    edges.addPoint(DEFAULT_WIDTH / 2 - barWidth, 1);
    edges.addPoint(DEFAULT_WIDTH / 2 - barWidth, DEFAULT_HEIGHT-1);

    edges.addPoint(DEFAULT_WIDTH / 2 + barWidth, DEFAULT_HEIGHT-1);
    edges.addPoint(DEFAULT_WIDTH / 2 + barWidth, 1);
    edges.addPoint(DEFAULT_WIDTH / 2 - barWidth, 1);

    mainFigure.setLineWidth(2);
    mainFigure.setPoints(edges);
    mainFigure.setAntialias(GeneralPreferencePage.getAntialiasingPref());
    mainFigure.setForegroundColor(ColorManager.GRAY);
    mainFigure.setBackgroundColor(ColorManager.LINE);
    mainFigure.setFill(true);
    
    add(mainFigure);
    
    line = new Polyline();
    linePts = new PointList();
    linePts.addPoint(new Point(DEFAULT_WIDTH / 2 - barWidth+1, 0));
    linePts.addPoint(new Point(DEFAULT_WIDTH / 2 + barWidth-1, DEFAULT_HEIGHT - 1));
    line.setPoints(linePts);
    line.setLineWidth(2);
    line.setAntialias(GeneralPreferencePage.getAntialiasingPref());
    line.setForegroundColor(ColorManager.WHITE);
    
    add(line);
}
 

import org.eclipse.draw2d.Polyline; //导入方法依赖的package包/类
public void rotate(double angle) {
    // make it always point towards bottom
    if (Math.cos(angle)>0)
        angle -= Math.PI;

    Transform t = new Transform();
    t.setRotation(angle);
    
    Point center = new Point(getPreferredSize().width / 2, getPreferredSize().height / 2);
    
    for (int j = 0; j < lines.size(); j++) {
        PointList points = (PointList) lines.get(j);
        Polyline line = (Polyline) rects.get(j);
        
        PointList newPoints = new PointList();
        for (int i = 0; i < points.size(); i++) {
            Point newPoint = t.getTransformed(new Point(points.getPoint(i).x - center.x, points.getPoint(i).y - center.y));
            //Point pt = new Point(newPoint.x - center.x, newPoint.y - center.y);
            
            newPoints.addPoint(newPoint);
        }
        
        newPoints.translate(center.x, center.y);
        
        line.setPoints(newPoints);
    }
    
    ((EllipseAnchor)outgoingAnchor).ancestorMoved(this);
}
 

import org.eclipse.draw2d.Polyline; //导入方法依赖的package包/类
/**
 * An ellipse that fills 2/3 of the area.
 * 
 * @see seg.jUCMNav.figures.PathNodeFigure#createFigure()
 */
protected void createFigure() {

    int width = preferredSize.width;
    int height = preferredSize.height;

    ellipse = new Ellipse();
    ellipse.setBounds(new Rectangle(13, 13, 16, 16));
    ellipse.setBackgroundColor(ColorManager.LINE);
    ellipse.setAntialias(GeneralPreferencePage.getAntialiasingPref());

    
    add(ellipse);

    // create the text inside the main figure
    flowPage = new FlowPage();
    stubTypeText = new TextFlow();
    stubTypeText.setLayoutManager(new SimpleTextLayout(stubTypeText));
    // TODO CONCERNS: should use default font?
    stubTypeText.setFont(new Font(null, "Verdana", 12, SWT.BOLD)); //$NON-NLS-1$
    stubTypeText.setText("F"); //$NON-NLS-1$
    stubTypeText.setForegroundColor(ColorManager.WHITE);
    flowPage.add(stubTypeText);
    // TODO CONCERNS: depends on font size!
    flowPage.setBounds(new Rectangle(16, 12, 20, 20));
    flowPage.setVisible(false);

    add(flowPage);

    // The lightning for an abort failure point
    PointList pts = new PointList();
    pts.addPoint(23, 27);
    pts.addPoint(27, 33);
    pts.addPoint(20, 32);
    pts.addPoint(28, 42);
    pts.addPoint(28, 37);
    pts.addPoint(28, 42);
    pts.addPoint(23, 41);
    
    lightning = new Polyline();
    lightning.setLineWidth(2);
    lightning.setAntialias(GeneralPreferencePage.getAntialiasingPref());
    lightning.setPoints(pts);
    lightning.setVisible(false);
    
    add(lightning);
    
    bar = new Polyline();
    bar.addPoint(new Point(15, 15));
    bar.addPoint(new Point(27, 27));
    bar.setLineWidth(3);
    bar.setVisible(false);
    bar.setForegroundColor(ColorManager.WHITE);
    
    add(bar);
}
 

import org.eclipse.draw2d.Polyline; //导入方法依赖的package包/类
@Override
protected void createFigure() {
    int width = getPreferredSize().width;
    int height = getPreferredSize().height;
    
    lines = new Vector();
    rects = new Vector();

    rect1 = new Polyline();
    line1 = new PointList();
    line1.addPoint(new Point((width - 20) / 2, 18));
    line1.addPoint(new Point((width - 20) / 2 + 20, 18));
    rect1.setPoints(line1);
    rect1.setBackgroundColor(ColorManager.BLACK);
    rect1.setLineWidth(2);
    rect1.setAntialias(GeneralPreferencePage.getAntialiasingPref());
    lines.add(line1);
    rects.add(rect1);
    add(rect1);
    
    rect2 = new Polyline();
    line2 = new PointList();
    line2.addPoint(new Point((width - 14) / 2, 13));
    line2.addPoint(new Point((width - 14) / 2 + 14, 13));
    rect2.setPoints(line2);
    rect2.setBackgroundColor(ColorManager.BLACK);
    rect2.setLineWidth(2);
    rect2.setAntialias(GeneralPreferencePage.getAntialiasingPref());
    lines.add(line2);
    rects.add(rect2);
    add(rect2);
    
    rect3 = new Polyline();
    line3 = new PointList();
    line3.addPoint(new Point((width - 8) / 2, 8));
    line3.addPoint(new Point((width - 8) / 2 + 8, 8));
    rect3.setPoints(line3);
    rect3.setBackgroundColor(ColorManager.BLACK);
    rect3.setLineWidth(2);
    rect3.setAntialias(GeneralPreferencePage.getAntialiasingPref());
    lines.add(line3);
    rects.add(rect3);
    add(rect3);
}
 

import org.eclipse.draw2d.Polyline; //导入方法依赖的package包/类
private void makeShapes(RelationshipType relationshipType){
	
	List<Point2D.Float> points = new ArrayList<Point2D.Float>();
	mFillColor = ColorConstants.black;
	boolean isLineDashed = false;
	
	// construct points as percentages inside canvas
	switch(relationshipType){
		case AGGREGATION:
		case HYPER_AGGREGATION:
			mFillColor = ColorConstants.white;
		case COMPOSITION:
		case HYPER_COMPOSITION:
			points.add(new Point2D.Float(0.5f, 0.05f));
			points.add(new Point2D.Float(0.3f, 0.3f));
			points.add(new Point2D.Float(0.5f, 0.55f));
			points.add(new Point2D.Float(0.7f, 0.3f));
			break;
		case DEPENDENCY:
		case HYPER_DEPENDENCY:
			isLineDashed = true;
		case DIRECTEDASSOCIATION:
		case HYPER_DIRECTEDASSOCIATION:
			points.add(new Point2D.Float(0.5f, 0.05f));
			points.add(new Point2D.Float(0.2f, 0.3f));
			points.add(new Point2D.Float(0.5f, 0.05f));
			points.add(new Point2D.Float(0.8f, 0.3f));
			break;
		case REALIZATION:
		case HYPER_REALIZATION:
			isLineDashed = true;
		case GENERALIZATION:
		case HYPER_GENERALIZATION:
			mFillColor = ColorConstants.white;
			points.add(new Point2D.Float(0.5f, 0.1f));
			points.add(new Point2D.Float(0.25f, 0.4f));
			points.add(new Point2D.Float(0.75f, 0.4f));
			break;
		case ASSOCIATION:
		case HYPER_ASSOCIATION:
			// no head
			break;
		default:
			throw new RuntimeException("Relationship type not supported.");
	}
	
	// scale polygon to fit in the canvas
	if(points.size() > 0){
		mPolygon = new PointList();
		for(int i=0; i < points.size(); ++i){
			Point2D.Float p = points.get(i);
			mPolygon.addPoint(new Point((int) (p.x * CANVAS.width()),
					(int) (p.y * CANVAS.height())));
		}
	}
	else{
		mPolygon = null;
	}
	mLinePoints = new PointList();
	mLinePoints.addPoint((int) (0.5f * CANVAS.width()), (int) (0.05f * CANVAS.height()));
	mLinePoints.addPoint((int) (0.5f * CANVAS.width()), (int) (0.95f * CANVAS.height()));
	mLine = new Polyline();
	mLine.setPoints(mLinePoints);
	if(isLineDashed){
		mLine.setLineDash(LINE_DASH);
		mLine.setLineStyle(SWT.LINE_DASH);
	}
	else{
		mLine.setLineStyle(SWT.LINE_SOLID);
	}
}