Examples of java.awt.Shape

java.awt.Shape
The Shape interface provides definitions for objects that represent some form of geometric shape. The Shape is described by a {@link PathIterator} object, which can express the outline of the Shape as well as a rule for determining how the outline divides the 2D plane into interior and exterior points. Each Shape object provides callbacks to get the bounding box of the geometry, determine whether points or rectangles lie partly or entirely within the interior of the Shape, and retrieve a PathIterator object that describes the trajectory path of the Shape outline.
Definition of insideness: A point is considered to lie inside a Shape if and only if:
- it lies completely inside theShape boundary or
- it lies exactly on the Shape boundary and the space immediately adjacent to the point in the increasing X direction is entirely inside the boundary or
- it lies exactly on a horizontal boundary segment and the space immediately adjacent to the point in the increasing Y direction is inside the boundary.
The contains and intersects methods consider the interior of a Shape to be the area it encloses as if it were filled. This means that these methods consider unclosed shapes to be implicitly closed for the purpose of determining if a shape contains or intersects a rectangle or if a shape contains a point. @see java.awt.geom.PathIterator @see java.awt.geom.AffineTransform @see java.awt.geom.FlatteningPathIterator @see java.awt.geom.GeneralPath @version 1.19 06/24/98 @author Jim Graham @since 1.2


    Color c = getDrawColor();
    
    if (c!=null) {
      g.setColor(c);
      Shape delegateShape = getDelegateShape();
      if(delegateShape!=null){
          g.draw(delegateShape);
      }
    }

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  protected void fillHook(Graphics2D g) {
      Color c = getFillColor(); 


      if (c!=null) {
          g.setColor(c);
          Shape delegateShape = getDelegateShape();
          if (delegateShape != null){
              g.fill(delegateShape);
          }
      }
  }

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            this.actionName = actionName;
        }


        public void actionPerformed(ActionEvent e) {
            // The first selected element is in charge of applying the collective action to the selection
            Shape s0 = getElementContainer().getSelection().getShape(0);
            if (s0 instanceof SelectionContextualActionProvider){
                CompoundEdit ce=new CompoundEdit();
                ((SelectionContextualActionProvider)getElementContainer().getSelection().getSelectedElements().get(0)).doCollectiveAction(getElementContainer().getSelection(), actionX, actionY, actionTarget, actionName, ce);
                ce.end();

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      data=null;
    }
    
    boolean isValidDataSourceDrag(Point p){
      DiagramSelection ds=comp.getDiagramSelection();
      Shape s=null;
      int x=(int)((double)p.x/comp.getParameters().scale)-
      comp.getParameters().xmargin;
      int y=(int)((double)p.y/comp.getParameters().scale)-
      comp.getParameters().ymargin;
      if(ds.isEmpty()){

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      // 1 check if a collective zoom on primary or secondary
      // axes has to be performed
      // The criterion is same variable name (but not same data source)
      HashSet collectivePlots=new HashSet();
      for (int i = 0; i < selection.getShapeCount(); i++) {
          Shape s = selection.getShape(i);
          if (s instanceof Plot && s != plot1) {
              Plot plot=(Plot)s;


              collectivePlots.add(plot);      
          }

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      return;
    }
    // collective translation
    HashSet collectivePlots=new HashSet();
    for (int i = 0; i < selection.getShapeCount(); i++) {
      Shape s = selection.getShape(i);
      if (s instanceof Plot && s != plot1) {
        collectivePlots.add(s);
      }
    }

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   * @param y Y coordinate location wrt diagram frame
   * @return a plot
   */
  protected Plot getSelectedPlot(double x, double y){
    for (int i = 0; i < selection.getShapeCount(); i++) {
      Shape s = selection.getShape(i);
      if (s instanceof Plot
          && s.contains(x,y)) {
        return (Plot)s;
      }
    }
    return null;
  }

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  /* (non-Javadoc)
   * @see simtools.diagram.DiagramSelectionListener#selectionChanged(simtools.diagram.DiagramSelection)
   */
  public void selectionChanged(DiagramSelection sel) {
    for (int i = 0; i < selection.getShapeCount(); i++) {
      Shape s = selection.getShape(i);
      if (s instanceof Plot){
        return; // there is at least on plot selected
      }
    }
    // no more plot in the selection => end of mode

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            this.b = b;
            this.w = width;
        }


        public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
            Shape clipping = g.getClip();
            g.setClip(x, y, width, height);
            b.paintBorder(c, g, x, y, width + w, height);
            g.setClip(clipping);
        }

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            // Draw lines
            path.drawPath(g);


            // draw arrows
            if (firstArrowTransform!=null){
                Shape s = firstArrowTransform.createTransformedShape(arrow);
                g.fill(s);
                g.draw(s);
            }


            if (lastArrowTransform!=null){
                Shape s = lastArrowTransform.createTransformedShape(arrow);
                g.fill(s);
                g.draw(s);
            }  
        }

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