예제 #1
0
  public Rectangle2D.Double layout(
      CompositeFigure compositeFigure, Point2D.Double anchor, Point2D.Double lead) {
    Rectangle2D.Double bounds = null;

    for (Figure child : compositeFigure.getChildren()) {
      Locator locator = getLocator(child);

      Rectangle2D.Double r;
      if (locator == null) {
        r = child.getBounds();
      } else {
        Point2D.Double p = locator.locate(compositeFigure, child);
        Dimension2DDouble d = child.getPreferredSize();
        r = new Rectangle2D.Double(p.x, p.y, d.width, d.height);
      }
      child.willChange();
      child.setBounds(
          new Point2D.Double(r.getMinX(), r.getMinY()),
          new Point2D.Double(r.getMaxX(), r.getMaxY()));
      child.changed();
      if (!r.isEmpty()) {
        if (bounds == null) {
          bounds = r;
        } else {
          bounds.add(r);
        }
      }
    }

    return (bounds == null) ? new Rectangle2D.Double() : bounds;
  }
예제 #2
0
  public Rectangle2D.Double calculateLayout(
      CompositeFigure compositeFigure, Point2D.Double anchor, Point2D.Double lead) {
    Rectangle2D.Double bounds = null;

    for (Figure child : compositeFigure.getChildren()) {
      Locator locator = getLocator(child);
      Rectangle2D.Double r;
      if (locator == null) {
        r = child.getBounds();
      } else {
        Point2D.Double p = locator.locate(compositeFigure);
        Dimension2DDouble d = child.getPreferredSize();
        r = new Rectangle2D.Double(p.x, p.y, d.width, d.height);
      }
      if (!r.isEmpty()) {
        if (bounds == null) {
          bounds = r;
        } else {
          bounds.add(r);
        }
      }
    }

    return (bounds == null) ? new Rectangle2D.Double() : bounds;
  }
예제 #3
0
  @Override
  public Rectangle2D.Double getDrawingArea() {
    Rectangle2D.Double r = super.getDrawingArea();

    if (getNodeCount() > 1) {
      if (get(START_DECORATION) != null) {
        Point2D.Double p1 = getPoint(0, 0);
        Point2D.Double p2 = getPoint(1, 0);
        r.add(get(START_DECORATION).getDrawingArea(this, p1, p2));
      }
      if (get(END_DECORATION) != null) {
        Point2D.Double p1 = getPoint(getNodeCount() - 1, 0);
        Point2D.Double p2 = getPoint(getNodeCount() - 2, 0);
        r.add(get(END_DECORATION).getDrawingArea(this, p1, p2));
      }
    }

    return r;
  }
 /**
  * Updates the list of connectors that we draw when the user moves or drags the mouse over a
  * figure to which can connect.
  */
 public void repaintConnectors() {
   Rectangle2D.Double invalidArea = null;
   for (Connector c : connectors) {
     if (invalidArea == null) {
       invalidArea = c.getDrawingArea();
     } else {
       invalidArea.add(c.getDrawingArea());
     }
   }
   connectors =
       (connectableFigure == null)
           ? new java.util.LinkedList<Connector>()
           : connectableFigure.getConnectors(getOwner());
   for (Connector c : connectors) {
     if (invalidArea == null) {
       invalidArea = c.getDrawingArea();
     } else {
       invalidArea.add(c.getDrawingArea());
     }
   }
   if (invalidArea != null) {
     view.getComponent().repaint(view.drawingToView(invalidArea));
   }
 }
예제 #5
0
 /** Gets the drawing area without taking the decorator into account. */
 @Override
 protected Rectangle2D.Double getFigureDrawingArea() {
   if (getText() == null) {
     return getBounds();
   } else {
     TextLayout layout = getTextLayout();
     Rectangle2D.Double r =
         new Rectangle2D.Double(origin.x, origin.y, layout.getAdvance(), layout.getAscent());
     Rectangle2D lBounds = layout.getBounds();
     if (!lBounds.isEmpty() && !Double.isNaN(lBounds.getX())) {
       r.add(
           new Rectangle2D.Double(
               lBounds.getX() + origin.x,
               (lBounds.getY() + origin.y + layout.getAscent()),
               lBounds.getWidth(),
               lBounds.getHeight()));
     }
     // grow by two pixels to take antialiasing into account
     Geom.grow(r, 2d, 2d);
     return r;
   }
 }
예제 #6
0
 /**
  * All other write methods delegate their work to here.
  */
 public void write(OutputStream out, java.util.List<Figure> figures) throws IOException {
     Rectangle2D.Double drawingRect = null;
     
     for (Figure f : figures) {
         if (drawingRect == null) {
             drawingRect = f.getBounds();
         } else {
             drawingRect.add(f.getBounds());
         }
     }
     
     AffineTransform drawingTransform = new AffineTransform();
     drawingTransform.translate(
             -Math.min(0, drawingRect.x),
             -Math.min(0, drawingRect.y)
             );
     
     write(out, figures, drawingTransform,
             new Dimension(
             (int) (Math.abs(drawingRect.x) + drawingRect.width),
             (int) (Math.abs(drawingRect.y) + drawingRect.height))
             );
 }