#include <trapeze.h>
#include <math.h>

double Trapeze::perimeter()
{
      return lower_base + the_upper_base + side;
}

Trapeze::Trapeze()
{

}

void Trapeze::set_L_Base(double L_B)
{
    lower_base       = L_B;
}

double Trapeze::get_L_Base()
{
    return lower_base;
}

void Trapeze::set_U_Base(double U_B)
{
    the_upper_base       = U_B;
}

double Trapeze::get_U_Base()
{
    return the_upper_base;
}

void Trapeze::set_Side(double Side)
{
    side       = Side;
}

double Trapeze::get_Side()
{
    return lower_base;
}



----------------------------------------------


#ifndef TRAPEZE_H
#define TRAPEZE_H

class Trapeze
{
public:
    Trapeze();
    void            set_L_Base (double L_B);
    double          get_L_Base ();

    void            set_U_Base (double U_B);
    double          get_U_Base ();

    void            set_Side (double Side);
    double          get_Side ();

private:
    double          lower_base;
    double          the_upper_base;
    double          side;
    double          perimeter ();
};

#endif // TRAPEZE_H


====================================================




void MainWindow::Paint(Trapeze Figura, int step)
{
    int x1 = ui->centralWidget->width()/2 - Figura.get_L_Base()/2;
    int y1 = ui->centralWidget->height()/2 -Figura.get_Side()/2;
    int x2 = ui->centralWidget->width()/2 + Figura.get_L_Base()/2;
    int y2 = ui->centralWidget->height()/2 + Figura.get_Side()/2;

    QLine Lines_1 (x1,y1,x2,y2);
}
void MainWindow::func()
{
    double temp =   ui->lineEdit->text().toDouble();
    double temp_2 = ui->lineEdit_2->text().toDouble();
    double temp_3 = ui->lineEdit_3->text().toDouble();
    if (index_combo_box == 0)
    {
        trapeze_1.set_L_Base(temp);
        trapeze_1.set_U_Base(temp_2);
        trapeze_1.set_Side(temp_3);
        Paint (trapeze_1, 20);
    }
    else
    {
        trapeze_2.set_L_Base(temp);
        trapeze_2.set_U_Base(temp_2);
        trapeze_2.set_Side(temp_3);
        Paint (trapeze_2, 20);
    }