Fl_Chart(int X, int Y, int W, int H, const char *L=0);

function Create
       (X, Y, W, H : in Integer;
        Text       : in String)
    return Chart;

void add(double val, const char *str=0, unsigned col=0);

procedure Add
       (This       : in out Chart;
        Data_Value : in     Long_Float;
        Data_Label : in     String := "";
        Data_Color : in     Color := No_Color);

uchar autosize() const;

function Will_Autosize
       (This : in Chart)
    return Boolean;

void autosize(uchar n);

procedure Set_Autosize
       (This : in out Chart;
        To   : in     Boolean);

void bounds(double *a, double *b) const;

procedure Get_Bounds
       (This         : in     Chart;
        Lower, Upper :    out Long_Float);

void bounds(double a, double b);

procedure Set_Bounds
       (This         : in out Chart;
        Lower, Upper : in     Long_Float);

void clear();

procedure Clear
       (This : in out Chart);

void draw();

procedure Draw
       (This : in out Chart);

function Handle
       (This  : in out Chart;
        Event : in     Event_Kind)
    return Event_Outcome;

void insert(int ind, double val, const char *str=0, unsigned col=0);

procedure Insert
       (This       : in out Chart;
        Position   : in     Natural;
        Data_Value : in     Long_Float;
        Data_Label : in     String := "";
        Data_Color : in     Color := No_Color);

int maxsize() const;

function Get_Maximum_Size
       (This : in Chart)
    return Natural;

void maxsize(int m);

procedure Set_Maximum_Size
       (This : in out Chart;
        To   : in     Natural);

void replace(int ind, double val, const char *str=0, unsigned col=0);

procedure Replace
       (This       : in out Chart;
        Position   : in     Natural;
        Data_Value : in     Long_Float;
        Data_Label : in     String := "";
        Data_Color : in     Color := No_Color);

int size() const;

function Get_Size
       (This : in Chart)
    return Natural;

void size(int W, int H);

procedure Resize
       (This : in out Chart;
        W, H : in     Integer);

Fl_Color textcolor() const;

function Get_Text_Color
       (This : in Chart)
    return Color;

void textcolor(Fl_Color n);

procedure Set_Text_Color
       (This : in out Chart;
        To   : in     Color);

Fl_Font textfont() const;

function Get_Text_Font
       (This : in Chart)
    return Font_Kind;

void textfont(Fl_Font s);

procedure Set_Text_Font
       (This : in out Chart;
        To   : in     Font_Kind);

Fl_Fontsize textsize() const;

function Get_Text_Size
       (This : in Chart)
    return Font_Size;

void textsize(Fl_Fontsize s);

procedure Set_Text_Size
       (This : in out Chart;
        To   : in     Font_Size);