ui/src/main/java/ucar/nc2/ui/geoloc/RubberbandRectangleHandles.java
public void move(int deltax, int deltay) {
    lastPt.x      = stretchedPt.x;
    lastPt.y      = stretchedPt.y;

    Graphics2D g = (Graphics2D) component.getGraphics();
    if(g != null) {
     try {
       g.setXORMode(component.getBackground());
       if(firstStretch == true)
         firstStretch = false;
       else
         drawLast(g);

       anchorPt.x = current.x + deltax;
       anchorPt.y = current.y + deltay;
       stretchedPt.x = current.x + current.width + deltax;
       stretchedPt.y = current.y + current.height + deltay;
       drawNext(g);
     }
     finally {
       g.dispose();
     } // try
    } // if
  }
public void move(int deltax, int deltay) {
    lastPt.x      = stretchedPt.x;
    lastPt.y      = stretchedPt.y;

    Graphics2D g = (Graphics2D) component.getGraphics();
    if(g != null) {
     try {
       g.setXORMode(component.getBackground());
       if(firstStretch == true)
         firstStretch = false;
       else
         drawLast(g);

       anchorPt.x = current.x + deltax;
       anchorPt.y = current.y + deltay;
       stretchedPt.x = current.x + current.width + deltax;
       stretchedPt.y = current.y + current.height + deltay;
       drawNext(g);
     }
     finally {
       g.dispose();
     } // try
    } // if
  }
public void move ( int deltax , int deltay ) { lastPt . x = stretchedPt . x ; lastPt . y = stretchedPt . y ; Graphics2D g = ( Graphics2D ) component . getGraphics ( ) ; if ( g != null ) { try { g . setXORMode ( component . getBackground ( ) ) ; if ( firstStretch == true ) firstStretch = false ; else drawLast ( g ) ; anchorPt . x = current . x + deltax ; anchorPt . y = current . y + deltay ; stretchedPt . x = current . x + current . width + deltax ; stretchedPt . y = current . y + current . height + deltay ; drawNext ( g ) ; } finally { g . dispose ( ) ; } // try } // if }
Erase the last rectangle and shift the rectangle and redraw
deltax, deltay: position from original position
Erase the last rectangle and shift the rectangle and redraw deltax deltay : position from original position