// x_plot_d.h     clunky common interface for some homework                                              
#ifndef X_PLOT_D_H_
#define X_PLOT_D_H_

// center of screen is 0.0,0.0                          
// X is across screen, Y is up and down                 
// limits :  -39.0 <= X <= 39.0      -11.0 <= Y <= 11.0 

     enum show {OUTLINE, FILL, CLEAR_OUTLINE, CLEAR_FILL, BOLD};
     void INITIALIZE(void) ;
     void DRAW_CIRCLE ( float X, float Y, float R,
                        show KIND=OUTLINE ) ;
     void DRAW_ELIPSE ( float X, float Y, float XR, float YR,
                        show KIND=OUTLINE ) ;
     void DRAW_RECTANGLE ( float X, float Y, float W, float H,
                           show KIND=OUTLINE ) ;
     void DRAW_LINE ( float X1, float Y1, float X2, float Y2,
                      show KIND=OUTLINE ) ;
     void WRITE_TEXT ( float X, float Y, char *TEXT,
                       show KIND=OUTLINE ) ;
     void PRINT(void) ;
     void CLOSE(void) ;

// end x_plot_d.h 

#endif  //  X_PLOT_D_H_