//ShapeInterface.java

/**
 * Interface for simple shapes drawn on
 * the screen using keyboard characters. 
 */
public interface ShapeInterface
{
    /**
     * Sets the offset for the shape.
     */
    public void setOffset
    (
        int newOffset
    );

    /**
     * Returns the offset for the shape.
     */
    public int getOffset();

    /**
     * Draws the shape at lineNumber lines down
     * from the current line.
     */
    public void drawAt
    (
        int lineNumber
    );

    /**
     * Draws the shape at the current line.
     */
    public void drawHere();
}