#include "qtsgraph.h" #include "ui_qtsgraph.h" void QTSGraph::delay(int ms) { QTime dieTime= QTime::currentTime().addMSecs(ms); while (QTime::currentTime() < dieTime) QCoreApplication::processEvents(QEventLoop::AllEvents, 100); } QTSGraph::QTSGraph(int w, int h, int x, int y, QWidget *parent) : QMainWindow(parent) , ui(new Ui::QTSGraph) { ui->setupUi(this); if(x < 0 || y < 0) { QDesktopWidget desktop; QRect rect = desktop.availableGeometry(desktop.primaryScreen()); // прямоугольник с размерами экрана QPoint center = rect.center(); //координаты центра экрана x = center.x() - w / 2; y = center.y() - h / 2; } this->setGeometry(x, y, w, h); this->setWindowTitle("Рисунок"); m_Pixmap = QPixmap(w, h); m_Pixmap.fill(Qt::white); starttimer = new QTimer(); connect(starttimer, SIGNAL(timeout()), this, SLOT(slotstarttimer())); starttimer->start(500); } QTSGraph::~QTSGraph() { delete ui; } void QTSGraph::putpixel(int x, int y, Qt::GlobalColor c) { QPainter painter(&m_Pixmap); painter.setPen(QPen(QBrush(QColor(c)), 5 )); painter.drawPoint( x, y ); update(); } void QTSGraph::paintEvent(QPaintEvent *event) { QPainter p(this); p.drawPixmap(0, 0,m_Pixmap); } void QTSGraph::mousePressEvent(QMouseEvent *event) { if (event->buttons() & Qt::LeftButton) { // Левая кнопка } else if (event->buttons() & Qt::RightButton) { // Правая кнопка } }