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# pure interface of class Grapher

The documentated page.

    public abstract class Grapher
    {
        public abstract void drawLine(int llX,
                                      int llY,
                                      int urX,
                                      int urY);
        public abstract void drawArrow(int llX,
                                       int llY,
                                       int urX,
                                       int urY);
        public abstract void drawRectangle(int llX,
                                           int llY,
                                           int urX,
                                           int urY);
        public abstract void drawText(int x,
                                      int y,
                                      String text);
        public abstract void drawCircle(int x,
                                        int y);
        public abstract void drawDot(int x,
                                     int y);
        public abstract void drawUTurn(int bot,
                                       int left,
                                       int top,
                                       int right);
        public abstract void black();
        public abstract void blue();
        public abstract void purple();
        public abstract void red();
        public abstract void close();
        public void setColour(PremonCat C);
        public Grapher();
    }

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###### Grapher.interface.html