コード例 #1
0
ファイル: MyController.java プロジェクト: spiffy46/CS355-Lab3
 @Override
 public void doDeleteShape() {
   if (selectedIndex > -1) {
     model.deleteShape(selectedIndex);
     selectedIndex = -1;
     selectedShape = null;
     setChanged();
     notifyObservers();
   }
 }
コード例 #2
0
ファイル: MyController.java プロジェクト: spiffy46/CS355-Lab3
  @Override
  public void mouseDragged(MouseEvent e) {
    AffineTransform viewToWorld =
        new AffineTransform(1, 0, 0, 1, viewPoint.getX(), viewPoint.getY());
    AffineTransform scale = new AffineTransform(this.getScale(), 0, 0, this.getScale(), 0, 0);
    viewToWorld.concatenate(scale);

    p2 = new Point2D.Double(e.getPoint().getX(), e.getPoint().getY());
    viewToWorld.transform(p2, p2);

    if (button == "line") {
      currentShape = model.getShape(model.getSize() - 1);
      Line l = (Line) currentShape;
      l.setEnd(p2);
      model.deleteShape(model.getSize() - 1);
      model.addShape(l);
    } else if (button == "square") {
      double size = Math.min((Math.abs(p1.getX() - p2.getX())), (Math.abs(p1.getY() - p2.getY())));
      Point2D.Double upLeft = new Point2D.Double();

      if (p1.getX() <= p2.getX() && p1.getY() <= p2.getY()) {
        upLeft.setLocation(p1.getX(), p1.getY());
      } else if (p1.getX() <= p2.getX() && p1.getY() > p2.getY()) {
        upLeft.setLocation(p1.getX(), p1.getY() - size);
      } else if (p1.getX() > p2.getX() && p1.getY() <= p2.getY()) {
        upLeft.setLocation(p1.getX() - size, p1.getY());
      } else {
        upLeft.setLocation(p1.getX() - size, p1.getY() - size);
      }
      Point2D.Double center =
          new Point2D.Double(upLeft.getX() + size / 2, upLeft.getY() + size / 2);
      currentShape = model.getShape(model.getSize() - 1);
      Square s = (Square) currentShape;
      s.setCenter(center);
      s.setSize(size);
      model.deleteShape(model.getSize() - 1);
      model.addShape(s);
    } else if (button == "rectangle") {
      Point2D.Double upLeft = new Point2D.Double();
      upLeft.setLocation(Math.min(p1.getX(), p2.getX()), Math.min(p1.getY(), p2.getY()));
      Double width = Math.abs(p1.getX() - p2.getX());
      Double height = Math.abs(p1.getY() - p2.getY());
      currentShape = model.getShape(model.getSize() - 1);
      Rectangle r = (Rectangle) currentShape;
      Point2D.Double center =
          new Point2D.Double(upLeft.getX() + width / 2, upLeft.getY() + height / 2);
      r.setHeight(height);
      r.setWidth(width);
      r.setCenter(center);
      model.deleteShape(model.getSize() - 1);
      model.addShape(r);
    } else if (button == "circle") {
      double size = Math.min((Math.abs(p1.getX() - p2.getX())), (Math.abs(p1.getY() - p2.getY())));
      double radius = size / 2;
      Point2D.Double upLeft = new Point2D.Double();

      if (p1.getX() <= p2.getX() && p1.getY() <= p2.getY()) {
        upLeft.setLocation(p1.getX(), p1.getY());
      } else if (p1.getX() <= p2.getX() && p1.getY() > p2.getY()) {
        upLeft.setLocation(p1.getX(), p1.getY() - size);
      } else if (p1.getX() > p2.getX() && p1.getY() <= p2.getY()) {
        upLeft.setLocation(p1.getX() - size, p1.getY());
      } else {
        upLeft.setLocation(p1.getX() - size, p1.getY() - size);
      }
      Point2D.Double center = new Point2D.Double(upLeft.getX() + radius, upLeft.getY() + radius);
      currentShape = model.getShape(model.getSize() - 1);
      Circle c = (Circle) currentShape;
      c.setCenter(center);
      c.setRadius(radius);
      model.deleteShape(model.getSize() - 1);
      model.addShape(c);
    } else if (button == "ellipse") {
      Point2D.Double center =
          new Point2D.Double((p1.getX() + p2.getX()) / 2, (p1.getY() + p2.getY()) / 2);
      Double width = Math.abs(p1.getX() - p2.getX());
      Double height = Math.abs(p1.getY() - p2.getY());
      currentShape = model.getShape(model.getSize() - 1);
      Ellipse el = (Ellipse) currentShape;
      el.setCenter(center);
      el.setHeight(height);
      el.setWidth(width);
      model.deleteShape(model.getSize() - 1);
      model.addShape(el);
    } else if (button == "select" && selectedIndex > -1) {

      if (handleSelected) {
        AffineTransform worldToObj =
            new AffineTransform(
                1, 0, 0, 1, -selectedShape.getCenter().getX(), -selectedShape.getCenter().getY());
        Point2D.Double objCoord = new Point2D.Double();
        worldToObj.transform(p2, objCoord);

        if (selectedShape instanceof Line) {
          Line l = (Line) selectedShape;

          if (lineHandleSelected == 1) {
            Point2D.Double newCenter = new Point2D.Double(p2.getX(), p2.getY());
            l.setCenter(newCenter);
          } else if (lineHandleSelected == 2) {
            Point2D.Double newEnd = new Point2D.Double(p2.getX(), p2.getY());
            l.setEnd(newEnd);
          }
          selectedShape = l;
          model.setShape(selectedIndex, selectedShape);
        } else {

          double theta =
              Math.acos(
                  -objCoord.getY()
                      / Math.sqrt(Math.pow(objCoord.getX(), 2) + Math.pow(-objCoord.getY(), 2)));
          if (objCoord.getX() < 0) {
            theta = -theta;
          }
          selectedShape.setRotation(theta);
          model.setShape(selectedIndex, selectedShape);
        }
      } else {
        Point2D.Double newCenter =
            new Point2D.Double((p2.getX() - diff.getX()), (p2.getY() - diff.getY()));

        if (selectedShape instanceof Line) {
          Line l = (Line) selectedShape;
          Point2D.Double len =
              new Point2D.Double(
                  l.getEnd().getX() - l.getCenter().getX(),
                  l.getEnd().getY() - l.getCenter().getY());
          Point2D.Double newEnd =
              new Point2D.Double((newCenter.getX() + len.getX()), (newCenter.getY() + len.getY()));
          l.setEnd(newEnd);
          selectedShape = l;
        } else if (selectedShape instanceof Triangle) {
          Triangle t = (Triangle) selectedShape;
          Point2D.Double change =
              new Point2D.Double(
                  newCenter.getX() - selectedShape.getCenter().getX(),
                  newCenter.getY() - selectedShape.getCenter().getY());
          t.setA(
              new Point2D.Double(t.getA().getX() + change.getX(), t.getA().getY() + change.getY()));
          t.setB(
              new Point2D.Double(t.getB().getX() + change.getX(), t.getB().getY() + change.getY()));
          t.setC(
              new Point2D.Double(t.getC().getX() + change.getX(), t.getC().getY() + change.getY()));
          selectedShape = t;
        }
        selectedShape.setCenter(newCenter);
        model.setShape(selectedIndex, selectedShape);
      }
    }
  }