interactive_map_view.cpp

#include "interactive_map_view.h"

static bool recordFlag = false;
static int counter = 0;
static FILE* output = nullptr;

InteractiveMapView::InteractiveMapView():
    backgroundPix(":/images/Ukraine.png")
{
    setBackgroundBrush(QBrush(backgroundPix));
}

InteractiveMapView::InteractiveMapView(QGraphicsScene* scene, QWidget *parent):
    QGraphicsView(scene, parent)
{
    backgroundPix.load(":/images/Ukraine.png");
    setBackgroundBrush(QBrush(backgroundPix));
}

void InteractiveMapView::mouseDoubleClickEvent(QMouseEvent *event)
{
    QGraphicsView::mouseDoubleClickEvent(event);
}

void InteractiveMapView::mousePressEvent(QMouseEvent *event)
{
    QGraphicsView::mousePressEvent(event);
    recordFlag = true;
    counter++;
    output = fopen((std::string("roadX") + std::to_string(counter)).c_str(), "w");
    fprintf(output, "{%f, %f}\n", event->position().x(), event->position().y());
}

void InteractiveMapView::mouseMoveEvent(QMouseEvent *event)
{
    QGraphicsView::mouseMoveEvent(event);
    if (recordFlag) {
         fprintf(output, "{%f, %f}\n", event->position().x(), event->position().y());
    }
}

void InteractiveMapView::mouseReleaseEvent(QMouseEvent *event)
{
    QGraphicsView::mouseReleaseEvent(event);
    recordFlag = false;
    if (output) {
        fprintf(output, "{%4.1f, %4.1f}\n", event->position().x(), event->position().y());
        fclose(output);
        output = nullptr;
    }
}

void InteractiveMapView::drawBackground(QPainter *painter, const QRectF &rect)
{
    Q_UNUSED(rect);
    // Stretch the pixmap to fit the visible viewport area
    painter->drawPixmap(viewport()->rect(), backgroundPix, backgroundPix.rect());
}