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mainwindow.cpp
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mainwindow.cpp
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <opencv2/core/core.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <QWidget>
#include <QApplication>
#include <QFile>
#include <QFileDialog>
#include <QString>
#include <QtCore/QTextStream>
#include <QMessageBox>
#include <QGraphicsItem>
#include <QGraphicsEllipseItem>
#include <QGraphicsTextItem>
using namespace std;
using namespace cv;
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
}
MainWindow::~MainWindow()
{
delete ui;
}
QVector<int> MainWindow::read(QString path){
QByteArray ba = path.toLocal8Bit();
const char * p = ba.data();
// read an image and convert image to grayscale
IplImage * image = cvLoadImage(p, CV_LOAD_IMAGE_GRAYSCALE);
// image info
int height = image->height;
int width = image->width;
int step = image->widthStep;
uchar * data = (uchar *)image->imageData;
//tacni odgovori
QString tacni = ui->lineEdit_2->text();
QVector<int> vektor;
if(tacni != "" && tacni.size()==9){
//citanje markera
QList<int> redovi;
QList<int> kolone;
for(int i=0;i<height-1;i++) {
for(int j=0;j<width-1;j++) {
if(data[i*step+j]<10 && kolone.size()<4){
kolone.push_back(j);
}
}
}
kolone.push_back(304);
for(int j=0;j<width-1;j++) {
for(int i=0;i<height-1;i++) {
if(data[i*step+j]<10 && redovi.size()<12){
redovi.push_back(i);
}
}
}
//citanje testa
QString sifra="Šifra kandidata: ";
QString odgovori="Odgovori kandidata: ";
QString o="";
int brojac=0;
QString str ="";
for(int i=0; i<redovi.size(); i++){
int j;
for( j=0; j<kolone.size(); j++){
//provjerava 4 pixela u krugu
if(data[redovi.at(i)*step+kolone.at(j)]<10 && data[redovi.at(i)*step+kolone.at(j)-1]<10 && data[redovi.at(i)*step+kolone.at(j)+1]<10 && data[(redovi.at(i)-1)*step+kolone.at(j)-1]<10){
if(i<3){
if(j==0) { if(i==2)sifra.push_back("1"); else sifra.push_back("A");}
if(j==1) { if(i==2)sifra.push_back("2"); else sifra.push_back("B");}
if(j==2) { if(i==2)sifra.push_back("3"); else sifra.push_back("C");}
if(j==3) { if(i==2)sifra.push_back("4"); else sifra.push_back("D");}
if(j==4) { if(i==2)sifra.push_back("5"); else sifra.push_back("E");}
}
else{
if(j==1) { brojac++; str="A";}
if(j==2) {brojac++;str="B";}
if(j==3) {brojac++;str="C";}
if(j==4) {brojac++;str="D";}
}
}
}
if(i>2){
if(brojac!=1) {o.push_back("N");}
else if(str=="A") {o.push_back("A");}
else if(str=="B") {o.push_back("B");}
else if(str=="C") {o.push_back("C");}
else if(str=="D") {o.push_back("D");}
brojac=0;
str="";
}
}
odgovori.push_back(o);
int bodovi=0;
for(int i=0; i<tacni.size(); i++){
if(o.at(i)==tacni.at(i)) {bodovi++; vektor.push_back(1);}
else {vektor.push_back(0);}
}
QString b = QString::number(bodovi);
QString bodici = "UKUPNO BODOVA: ";
bodici.push_back(b);
ui->textEdit->append("________________");
ui->textEdit->append("");
ui->textEdit->append(sifra);
ui->textEdit->append(odgovori);
ui->textEdit->append(bodici);
}
else{
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Morate unijeti tačne odgovore!");
msgBox->exec();
}
return vektor;
}
void MainWindow::on_pushButton_2_clicked()
{
//tacni odgovori
QString tacni = ui->lineEdit_2->text();
if(tacni.size()!=9){
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Morate unijeti tačne odgovore!");
msgBox->exec();
}
else{
QString tacniOdgovori = "Tačni odgovori su: ";
tacniOdgovori.push_back(tacni);
ui->textEdit->append(tacniOdgovori);
}
}
void MainWindow::on_pushButton_3_clicked()
{
//choose file
QString fileName = QFileDialog::getOpenFileName(this,tr("Odaberite test"), "", tr("Slike (*.jpg)"));
ui->lineEdit->setText(fileName);
//show image on form
QPixmap image(fileName);
QGraphicsScene* scene = new QGraphicsScene();
scene->addPixmap(image);
ui->graphicsView->setScene(scene);
ui->graphicsView->show();
if(fileName != "") ui->textEdit->append("Test uspješno učitan.");
}
void MainWindow::on_pushButton_clicked()
{
if (ui->lineEdit->text() != ""){
read( ui->lineEdit->text());
}
else{
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Morate odabrati test!");
msgBox->exec();
}
}
void MainWindow::on_pushButton_4_clicked()
{
close();
}
void MainWindow::on_actionExit_triggered()
{
close();
}
void MainWindow::on_actionNew_triggered()
{
}
void MainWindow::on_actionBrightness_triggered()
{
}
void MainWindow::on_menuGrupa_Testova_2_triggered()
{
close();
}
void MainWindow::on_actionNovi_Test_triggered()
{
ui->pushButton->show();
ui->pushButton_6->show();
ui->groupBox->show();
ui->label->show();
ui->lineEdit_3->show();
ui->textEdit->clear();
ui->lineEdit->clear();
ui->lineEdit_2->clear();
QGraphicsScene * scene = new QGraphicsScene();
ui->graphicsView->setScene(scene);
ui->lineEdit_3->clear();
}
void MainWindow::on_actionGrupa_Testova_triggered()
{
QString tacni = ui->lineEdit_2->text();
if(tacni != "" && tacni.size()==9){
//grupa testova
QString dir = QFileDialog::getExistingDirectory(this, tr("Open Directory"),
"/home",
QFileDialog::ShowDirsOnly
| QFileDialog::DontResolveSymlinks);
if(dir != ""){
ui->pushButton->hide();
ui->pushButton_6->hide();
ui->groupBox->hide();
ui->label->hide();
ui->lineEdit_3->hide();
QString folder = dir;
QDir pathd(dir);
QStringList files = pathd.entryList(QDir::Files);
QVector< QVector<int> > vektor;
for(int i=0; i<files.size();i++){
//read file path
folder.push_back("/");
folder.push_back(files.at(i));
vektor.push_back(read(folder));
folder=dir;
}
QVector <int> bars;
for(int i=0; i<9; i++){
int brojac=0;
for(int j=0; j<vektor.size(); j++){
brojac=brojac+vektor.at(j).at(i);
}
bars.push_back(brojac);
}
prikazi(bars);
}
}
else{
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Morate unijeti tačne odgovore!");
msgBox->exec();
}
}
void MainWindow::on_pushButton_5_clicked()
{ QString outputFilename = "C:/Users/Nusreta/Desktop/Rezultati.txt";
QFile outputFile(outputFilename);
outputFile.open(QIODevice::Append);
/* Point a QTextStream object at the file */
QTextStream outStream(&outputFile);
/* Write the line to the file */
outStream << ui->textEdit->toPlainText();
outputFile.close();
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Rezultati uspješno sačuvani u datoteci Rezultati.txt!");
msgBox->exec();
}
void MainWindow::on_actionSave_triggered()
{
QString outputFilename = "C:/Users/Nusreta/Desktop/Results.txt";
QFile outputFile(outputFilename);
outputFile.open(QIODevice::Append);
/* Point a QTextStream object at the file */
QTextStream outStream(&outputFile);
/* Write the line to the file */
outStream << ui->textEdit->toPlainText();
outputFile.close();
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Rezultati uspješno sačuvani u datoteci Rezultati.txt!");
msgBox->exec();
}
void MainWindow::on_pushButton_6_clicked()
{
QString t = ui->lineEdit_3->text();
if(t==""){
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Unesite broj stepeni za rotaciju");
msgBox->exec();
}
else{
double stepen = t.toDouble();
rotiraj(stepen);
}
}
void MainWindow::prikazi(QVector<int> bars){
QGraphicsScene * scene = new QGraphicsScene();
ui->graphicsView->setScene(scene);
scene->addLine(0,0,0,-200);
scene->addLine(0,0,300,0);
for(int i = 0; i< bars.size(); i++){
scene->addRect(15+30*i,-(20*bars.at(i)),20,20*bars.at(i));
QGraphicsTextItem * pitanja = new QGraphicsTextItem(QString::number(i+1)+".");
pitanja->setPos((20+30*i),5);
scene->addItem(pitanja);
QGraphicsTextItem * broj = new QGraphicsTextItem(QString::number(bars.at(i)));
broj->setPos(-20,-(20*bars.at(i)+10));
scene->addItem(broj);
scene->addLine(-2,-(20*bars.at(i)), 2,-(20*bars.at(i)));
}
QGraphicsTextItem * y = new QGraphicsTextItem("Broj kandidata koji su tačno odgovorili na pitanje");
y->setPos(20,-200);
scene->addItem(y);
QGraphicsTextItem * x = new QGraphicsTextItem("Redni broj pitanja");
x->setPos(200,40);
scene->addItem(x);
// Show the view
ui->graphicsView->show();
}
void MainWindow::on_actionCrop_triggered()
{
QString fileName = ui->lineEdit->text();
if(fileName != ""){
QPixmap image(fileName);
QMatrix rm;
rm.rotate(90);
image = image.transformed(rm);
QGraphicsScene* scene = new QGraphicsScene();
scene->addPixmap(image);
ui->graphicsView->setScene(scene);
ui->graphicsView->show();
}
}
void MainWindow::rotiraj(double stepen){
QString fileName = ui->lineEdit->text();
if(fileName == ""){
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("Unesite putanju do testa!");
msgBox->exec();
}
else{
QPixmap image(fileName);
QMatrix rm;
rm.rotate(stepen);
image = image.transformed(rm);
QGraphicsScene* scene = new QGraphicsScene();
scene->addPixmap(image);
ui->graphicsView->setScene(scene);
ui->graphicsView->show();
}
}
void MainWindow::on_pushButton_7_clicked()
{
}
void MainWindow::on_actionRotiraj_Lijevo_triggered()
{
QString fileName = ui->lineEdit->text();
if(fileName != ""){
QPixmap image(fileName);
QMatrix rm;
rm.rotate(-90);
image = image.transformed(rm);
QGraphicsScene* scene = new QGraphicsScene();
scene->addPixmap(image);
ui->graphicsView->setScene(scene);
ui->graphicsView->show();
}
}
void MainWindow::on_actionVerzija_triggered()
{
QMessageBox * msgBox = new QMessageBox();
msgBox->setText("eIspit verzija 2.1.1");
msgBox->exec();
}
void MainWindow::on_actionUputstvo_triggered()
{
QGraphicsScene * scene = new QGraphicsScene();
ui->graphicsView->setScene(scene);
QGraphicsTextItem * upute = new QGraphicsTextItem("UPUTSTVO");
upute->setPos(0,0);
scene->addItem(upute);
QGraphicsTextItem * upute1 = new QGraphicsTextItem("1. Namjena aplikacije i osnovne funkcije:");
upute1->setPos(20,20);
scene->addItem(upute1);
QGraphicsTextItem * upute11 = new QGraphicsTextItem("Aplikacija služi za elektronsko pregledanje ispita. Bazira se na Optical Mark Recognition.");
upute11->setPos(40,40);
scene->addItem(upute11);
ui->graphicsView->show();
}