コード例 #1
0
  public void drawMathObject(PolygonObject object, Graphics g, Point pageOrigin, float zoomLevel) {
    g.setColor(Color.BLACK);
    ScaledSizeAndPosition sap =
        getSizeAndPositionWithLineThickness(object, pageOrigin, zoomLevel, object.getThickness());

    Graphics2D g2d = (Graphics2D) g;

    g2d.setStroke(new BasicStroke(sap.getLineThickness()));

    Polygon p = new Polygon();

    GridPoint[] points = object.getAdjustedVertices();
    for (int i = 0; i < points.length; i++) {
      p.addPoint(
          (int) (points[i].getx() * sap.getWidth()) + sap.getxOrigin(),
          (int) (points[i].gety() * sap.getHeight()) + sap.getyOrigin());
    }

    if (object.getColor() != null) {
      g2d.setColor(object.getColor());
      g2d.fillPolygon(p);
      g2d.setColor(Color.BLACK);
    }

    g2d.drawPolygon(p);

    g2d.setStroke(new BasicStroke(1));
  }
コード例 #2
0
  public Polygon getCollisionAndSelectionPolygon(
      PolygonObject pObject, Point pageOrigin, float zoomLevel) {

    ScaledSizeAndPosition sap = getSizeAndPosition(pObject, pageOrigin, zoomLevel);
    GridPoint[] pts = pObject.getAdjustedVertices();
    int[] xVals = new int[pts.length];
    int[] yVals = new int[pts.length];
    int i = 0;
    for (GridPoint pt : pts) {
      xVals[i] = (int) (pt.getx() * sap.getWidth()) + sap.getxOrigin();
      yVals[i] = (int) (pt.gety() * sap.getHeight()) + sap.getyOrigin();
      i++;
    }
    return new Polygon(xVals, yVals, pts.length);
  }
コード例 #3
0
 public void drawInteractiveComponents(
     PolygonObject object, Graphics g, Point pageOrigin, float zoomLevel) {
   drawMathObject(object, g, pageOrigin, zoomLevel);
   // This is currently unused, this is an alternative to commenting out the code that makes sure
   // it keeps compiling
   if (false) {
     ScaledSizeAndPosition sap = getSizeAndPosition(object, pageOrigin, zoomLevel);
     GridPoint[] pts = object.getAdjustedVertices();
     for (int i = 0; i < pts.length; i++) {
       g.setColor(Color.YELLOW);
       g.fillOval(
           (int) (pts[i].getx() * sap.getWidth()) + sap.getxOrigin() - dotRadius,
           (int) (pts[i].gety() * sap.getWidth()) + sap.getyOrigin() - dotRadius,
           2 * dotRadius,
           2 * dotRadius);
       g.setColor(Color.BLACK);
       g.drawOval(
           (int) (pts[i].getx() * sap.getWidth()) + sap.getxOrigin() - dotRadius,
           (int) (pts[i].gety() * sap.getHeight()) + sap.getyOrigin() - dotRadius,
           2 * dotRadius,
           2 * dotRadius);
     }
   }
 }