void MainWindow::on_pushButton_6_clicked()
{
bool ok = true;
QString matrix = "", draw = "";
if(ui->radioButton->isChecked()) draw += "digraph G{\n";
else draw += "graph G{\n";
QString spacer = "";
if(ui->radioButton->isChecked()) spacer += "->";
else spacer += "--";
draw += globalNodesDraw;
n = ui->table_i->rowCount();
m = ui->table_i->columnCount();
for (int i = 0; i < n; ++i)//заполняем таблицу инцидентности
{
for (int j = 0; j < m; ++j)
{
QString one = ui->table_i->item(i,j)->text();//берём элемент матрицы
int cur = one.toInt(&ok,10);
imatrix[i][j] = cur;
}
}
for(int i=0; i<n; i++)
{
for(int j=0; j<m; j++)
for(int k = 0; k<imatrix[i][j]; k++) draw += "X" + QString::number(i+1) + spacer + "X" + QString::number(j+1) + ";\n";
}
draw += "}";
QString fileName = QDir::currentPath() + "\\buffer.dot";
QFile file(fileName);
if ( file.open(QIODevice::ReadWrite) )
{
file.resize(0);
QTextStream stream( &file );
stream << draw << endl;
}
QString currentPath = QDir::currentPath();
currentPath.replace("/", "\\");
QString commandStr = "\"C:\\Program\" \"Files\" (x86)\\Graphviz\\bin\\dot.exe\" \"-Tpng\" \""+ currentPath +"\\buffer.dot\" \"-o\" \""+ currentPath +"~/""\\output.png\"";
QByteArray commandChar = commandStr.toLocal8Bit();
const char *command = commandChar.data();
system(command);
QString pathToImage = QDir::currentPath() + "\\output.png";
QPixmap pixmap(pathToImage);
QGraphicsScene scene;
scene.addPixmap(QPixmap(pathToImage));
ui->graphicsView->setScene(&scene);
}