pure interface of class Drawer

public class Drawer
{
    public Drawer(Grapher g,
                  Solution s);
    public void drawLines(int fromX,
                          int toX,
                          Interface ys);
    public void drawControlLine(int fromX,
                                int fromY,
                                int toX,
                                int toY);
    public void drawArrows(int fromX,
                           int toX,
                           Interface ys);
    public void drawRectangle(int llX,
                              int llY,
                              int urX,
                              int urY);
    public void drawCircles(int x,
                            Interface ys);
    public void drawDot(int x,
                        int y);
    public void drawControlCircle(int x,
                                  int y);
    public void drawUTurns(Interface botI,
                           Interface horizI,
                           Interface topI,
                           int right);
    public void drawBlueText(int llX,
                             int llY,
                             int urX,
                             int urY,
                             String text);
    public void drawPurpleText(int llX,
                               int llY,
                               int urX,
                               int urY,
                               String text);
    public void drawRedText(int llX,
                            int llY,
                            int urX,
                            int urY,
                            String text);
    public void drawShuffle(int left,
                            int right,
                            Shuffle f,
                            Interface source,
                            Interface target);
}