示例#1
0
 public Point locate() {
   LineConnection line = ownerConnection();
   int segment = Math.min(fSegment, line.pointCount() - 2);
   Point p1 = line.pointAt(segment);
   Point p2 = line.pointAt(segment + 1);
   return new Point((p1.x + p2.x) / 2, (p1.y + p2.y) / 2);
 }
示例#2
0
  public void invokeStep(int x, int y, int anchorX, int anchorY, DrawingView view) {
    LineConnection line = ownerConnection();
    Point p1 = line.pointAt(fSegment);
    Point p2 = line.pointAt(fSegment + 1);
    int ddx = x - fLastX;
    int ddy = y - fLastY;

    Point np1;
    Point np2;
    if (isVertical(p1, p2)) {
      int cx = constrainX(p1.x + ddx);
      np1 = new Point(cx, p1.y);
      np2 = new Point(cx, p2.y);
    } else {
      int cy = constrainY(p1.y + ddy);
      np1 = new Point(p1.x, cy);
      np2 = new Point(p2.x, cy);
    }
    line.setPointAt(np1, fSegment);
    line.setPointAt(np2, fSegment + 1);
    fLastX = x;
    fLastY = y;
  }
示例#3
0
  private int constrainY(int y) {
    LineConnection line = ownerConnection();
    Figure startFigure = line.getStartConnector().owner();
    Figure endFigure = line.getEndConnector().owner();
    Rectangle start = startFigure.displayBox();
    Rectangle end = endFigure.displayBox();
    Insets i1 = startFigure.connectionInsets();
    Insets i2 = endFigure.connectionInsets();

    int r1y, r1height, r2y, r2height;
    r1y = start.y + i1.top;
    r1height = start.height - i1.top - i1.bottom - 1;
    r2y = end.y + i2.top;
    r2height = end.height - i2.top - i2.bottom - 1;

    if (fSegment == 0) {
      y = Geom.range(r1y, r1y + r1height, y);
    }
    if (fSegment == line.pointCount() - 2) {
      y = Geom.range(r2y, r2y + r2height, y);
    }
    return y;
  }
示例#4
0
  private int constrainX(int x) {
    LineConnection line = ownerConnection();
    Figure startFigure = line.getStartConnector().owner();
    Figure endFigure = line.getEndConnector().owner();
    Rectangle start = startFigure.displayBox();
    Rectangle end = endFigure.displayBox();
    Insets i1 = startFigure.connectionInsets();
    Insets i2 = endFigure.connectionInsets();

    int r1x, r1width, r2x, r2width;
    r1x = start.x + i1.left;
    r1width = start.width - i1.left - i1.right - 1;

    r2x = end.x + i2.left;
    r2width = end.width - i2.left - i2.right - 1;

    if (fSegment == 0) {
      x = Geom.range(r1x, r1x + r1width, x);
    }
    if (fSegment == line.pointCount() - 2) {
      x = Geom.range(r2x, r2x + r2width, x);
    }
    return x;
  }