public InternalFrameMaximizeIcon(int size) 
{
           
            iconSize = size;
}

 public int getIconHeight() 
{
            return iconSize;
}

 public int getIconWidth() 
{
            return iconSize;
}

 public  void paintIcon(Component c,
    Graphics g,
    int x,
    int y) 
{
            JButton parentButton = (JButton)c;
            ButtonModel buttonModel = parentButton.getModel();
            Color backgroundColor = MetalLookAndFeel.getPrimaryControl();
            Color internalBackgroundColor =
                MetalLookAndFeel.getPrimaryControl();
            Color mainItemColor =
                MetalLookAndFeel.getPrimaryControlDarkShadow();
            Color darkHighlightColor = MetalLookAndFeel.getBlack();
            // ul = Upper Left and lr = Lower Right
            Color ulLightHighlightColor = MetalLookAndFeel.getWhite();
            Color lrLightHighlightColor = MetalLookAndFeel.getWhite();
            // if the internal frame is inactive
            if (parentButton.getClientProperty("paintActive") != Boolean.TRUE)
            {
                backgroundColor = MetalLookAndFeel.getControl();
                internalBackgroundColor = backgroundColor;
                mainItemColor = MetalLookAndFeel.getControlDarkShadow();
                // if inactive and pressed
                if (buttonModel.isPressed() && buttonModel.isArmed()) {
                    internalBackgroundColor =
                        MetalLookAndFeel.getControlShadow();
                    ulLightHighlightColor = internalBackgroundColor;
                    mainItemColor = darkHighlightColor;
                }
            }
            // if the button is pressed and the mouse is over it
            else if (buttonModel.isPressed() && buttonModel.isArmed()) {
                internalBackgroundColor =
                    MetalLookAndFeel.getPrimaryControlShadow();
                ulLightHighlightColor = internalBackgroundColor;
                mainItemColor = darkHighlightColor;
                // darkHighlightColor is still "getBlack()"
            }
            g.translate(x, y);
            // fill background
            g.setColor(backgroundColor);
            g.fillRect(0,0, iconSize,iconSize);
            // BOX drawing
            // fill inside the box
            g.setColor(internalBackgroundColor);
            g.fillRect(3,7, iconSize-10,iconSize-10);
            // light highlight
            g.setColor(ulLightHighlightColor);
            g.drawRect(3,7, iconSize-10,iconSize-10); // up,left
            g.setColor(lrLightHighlightColor);
            g.drawRect(2,6, iconSize-7,iconSize-7); // low,right
            // dark highlight
            g.setColor(darkHighlightColor);
            g.drawRect(1,5, iconSize-7,iconSize-7); // outer
            g.drawRect(2,6, iconSize-9,iconSize-9); // inner
            // main box
            g.setColor(mainItemColor);
            g.drawRect(2,6, iconSize-8,iconSize-8); // g.drawRect(2,6, 8,8);
            // ARROW drawing
            // dark highlight
            g.setColor(darkHighlightColor);
              // down,left to up,right - inside box
            g.drawLine(3,iconSize-5, iconSize-9,7);
              // down,left to up,right - outside box
            g.drawLine(iconSize-6,4, iconSize-5,3);
              // outside edge of arrow head
            g.drawLine(iconSize-7,1, iconSize-7,2);
              // outside edge of arrow head
            g.drawLine(iconSize-6,1, iconSize-2,1);
            // light highlight
            g.setColor(ulLightHighlightColor);
              // down,left to up,right - inside box
            g.drawLine(5,iconSize-4, iconSize-8,9);
            g.setColor(lrLightHighlightColor);
            g.drawLine(iconSize-6,3, iconSize-4,5); // outside box
            g.drawLine(iconSize-4,5, iconSize-4,6); // one down from this
            g.drawLine(iconSize-2,7, iconSize-1,7); // outside edge arrow head
            g.drawLine(iconSize-1,2, iconSize-1,6); // outside edge arrow head
            // main part of arrow
            g.setColor(mainItemColor);
            g.drawLine(3,iconSize-4, iconSize-3,2); // top edge of staff
            g.drawLine(3,iconSize-3, iconSize-2,2); // bottom edge of staff
            g.drawLine(4,iconSize-3, 5,iconSize-3); // highlights inside of box
            g.drawLine(iconSize-7,8, iconSize-7,9); // highlights inside of box
            g.drawLine(iconSize-6,2, iconSize-4,2); // top of arrow head
            g.drawRect(iconSize-3,3, 1,3); // right of arrow head
            g.translate(-x, -y);
}