function.h

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#ifndef FUNCTION_H_
#define FUNCTION_H_

#include <glib.h>

#include <mgl.h>
#include <mgl_c.h>
#include <vector>
#include <iostream>

#include "globals.h"

enum DRAW_METHOD
{
    DM_PLOT,
    DM_AREA,
    DM_STEM,
    DM_STEP,
    DM_BARS,
    DM_COUNT
};

enum GRAPH_DIM
{
    GM_ONE,
    GM_TWO,
    GM_THREE
};

struct Function
{
    Function()
    {
        data_x = 0;
        data_y = 0;
        xmin = -2;
        xmax = 2;
        eq = "";
        show = true;
        style = "b";
        std::cout << "Function::I'm creating!" << std::endl;
    }

    ~Function()
    {
        mgl_delete_data(data_x);
        mgl_delete_data(data_y);
        g_free(eq);
        std::cout << "Function::I'm destroying!" << std::endl;
    }

    gchar *eq;

    HMDT data_x;
    HMDT data_y;
    GRAPH_DIM dims;
    DRAW_METHOD dmethod;
    bool show;

    gdouble xmin, xmax, step;

    gchar *style;

};

typedef std::vector<Function *> FunctionList;

FunctionList &
functions_get_function_list();

void
functions_delete();

Function *
functions_add_function_with_dims1 (gdouble xmin, gdouble xmax, gdouble res);

void
functions_delete_function (const gint index);

gint
functions_get_count ();

void
functions_modify_function1 (Function *f, std::string str);

std::string
functions_get_func_info (const gint num);


#endif // FUNCTION_H_