public IntArrDrawingArea(Toolset tools, ColorPalette pal)
public IntArrDrawingArea(int[][] img, Toolset tools, ColorPalette pal)
    public IntArrDrawingArea(Toolset tools, ColorPalette pal)    {        super(tools, pal);        this.cb = new IntArrClipboard();        this.zoom = 1;    }