Component

#ifndef ANIMPREVIEW_H
#define ANIMPREVIEW_H

#include <QWidget>
#include <QLabel>
#include <QPaintEvent>
#include <QPainter>
#include <QMouseEvent>
#include <QPixmap>


class AnimPreview : public QLabel
{
    Q_OBJECT
public:
    int blw,blh;
    explicit AnimPreview(QWidget *parent = 0);
    void paintEvent(QPaintEvent *);
    void Rotate(int value);
    int sex = 0;
    int hair = 0;
    bool draw = true;
    void Create(int _sex, int _hair);
    int rotation = 0;
    const int offsetX = 16;
    const int offsetY = 32;

    QPixmap *base;
    QPixmap *Hair;
    QPixmap *Composited;

    bool compisition = false;

    void Composite();
signals:



public slots:

};

#endif // ANIMPREVIEW_H



//----------------------------------------------------------------------------- AnimPreview Cpp

#include "animpreview.h"

AnimPreview::AnimPreview(QWidget *parent) :
    QLabel(parent)
{
}



void AnimPreview::paintEvent(QPaintEvent *)
{
    QPainter p(this);
    QPixmap pic;
    QPixmap hairs;

    if(draw)
    {
        //Sesso
        switch(sex)
        {
               case 0:
               pic.load(":/Male/Base/Res/man_f.png");
            break;
               case 1:
            pic.load(":/Female/Base/Res/woman_f.png");

            break;
        }

        //capelli
        if(sex == 1)
        {
        switch(hair)
        {
        case 0:
            break;
        case 1:
            hairs.load(":/Female/Hair/Res/7_aqua.png");
            break;
        case 2:
            hairs.load(":/Female/Hair/Res/5_gold.png");
            break;
        }
        }

        if(sex == 0)
        {
        switch (hair)
        {
        case 0:
            break;
        case 1:
            hairs.load(":/Male/Hair/Res/1_aqua.png");
            break;
        case 2:
            hairs.load(":/Male/Hair/Res/14_black.png");
            break;
        }
        }

    }

    p.drawPixmap(this->width()/2 - offsetX,this->height()/2 - offsetY,pic,0,rotation,32,48);
    p.drawPixmap(this->width()/2 - offsetX,this->height()/2 - offsetY,hairs,0,rotation,32,48);
    p.drawRect(0,0,this->width()-1,this->height()-1);

    base = &pic;
    Hair = &hairs;

    if(compisition)
    {
        QPixmap pix(128,192);
        QPainter *p = new QPainter(&pix);

        p->drawPixmap(0,0,128,192,*base);
        p->drawPixmap(0,0,128,192,*Hair);

        Composited = &pix;
        compisition = false;
    }
}


void AnimPreview::Create(int _sex, int _hair)
{
    sex = _sex;
    hair = _hair;
    draw = true;
}


void AnimPreview::Rotate(int value)
{
  rotation = value;
  this->update();
}

void AnimPreview::Composite()
{
    compisition = true;
    this->update();


}


//---------------------------------------------------- Save point

void MainWindow::on_commandLinkButton_clicked()
{
    QString file = QFileDialog::getSaveFileName(this,
                                               tr("Save Sprite file"),
                                               "",tr("File PNG (*.png)"));

    const QPixmap *pix = ui->SpriteFront->pixmap();


    if(!file.isEmpty())
    {
        QFile files(file);
        files.open(QIODevice::WriteOnly);

        ui->SpriteFront->Composite();
        ui->SpriteFront->Composited->save(&files,"PNG");

    }
}