コード例 #1
0
ファイル: editor.cpp プロジェクト: drakargx/ADWIF
 void Editor::onMapReady()
 {
   myUi->graphicsView->scene()->setSceneRect(0, 0, myGame->generator()->width(), myGame->generator()->height());
   for (unsigned int i = 0; i < myGame->generator()->regions().size(); i++)
   {
     QPolygonF qring, sqring;
     auto ring = boost::geometry::exterior_ring(myGame->generator()->regions()[i].poly);
     boost::geometry::convert(ring, qring);
     boost::geometry::simplify(qring, sqring, 1);
     QPen pen;
     pen.setColor(QColor(0,0,0));
     pen.setStyle(Qt::PenStyle::DashLine);
     QBrush brush;
     brush.setStyle(Qt::BrushStyle::SolidPattern);
     std::string colour = myGame->biomes()[myGame->generator()->regions()[i].biome]->jsonValue["mapColour"].asString();
     pen.setColor(QColor(colour.c_str()));
     brush.setColor(QColor(colour.c_str()));
     QGraphicsPolygonItem * pi = new RegionPolygonItem(this);
     pi->setPen(pen);
     pi->setBrush(brush);
     pi->setPolygon(sqring);
     QPolygonF convex;
     boost::geometry::convex_hull(sqring, convex);
     double area = boost::geometry::area(convex);
     pi->setZValue(-area);
     pi->setData(0, i);
     pi->setFlag(QGraphicsItem::GraphicsItemFlag::ItemIsFocusable, true);
     pi->setFlag(QGraphicsItem::GraphicsItemFlag::ItemIsSelectable, true);
     myUi->graphicsView->scene()->addItem(pi);
   }
 }
コード例 #2
0
void MainWindow::slotAddPolygonItem()   //在场景中加入一个多边形图元
{
    QVector<QPoint> v;
    v<<QPoint(30,-15)<<QPoint(0,-30)<<QPoint(-30,-15)<<QPoint(-30,15)<<QPoint(0,30)<<QPoint(30,15);
    QGraphicsPolygonItem *item = new QGraphicsPolygonItem(QPolygonF(v));
    item->setBrush(QColor(qrand()%256,qrand()%256,qrand()%256));
    item->setFlag(QGraphicsItem::ItemIsMovable);

    scene->addItem(item);
    item->setPos((qrand()%int(scene->sceneRect().width()))-200,(qrand()%int(scene->sceneRect().height()))-200);
}
コード例 #3
0
ファイル: canvas.cpp プロジェクト: Andreas665/qt
void Main::addPolygon()
{
    const int size = int(canvas.width()/2);
    Q3PointArray pa(6);
    pa[0] = QPoint(0,0);
    pa[1] = QPoint(size,size/5);
    pa[2] = QPoint(size*4/5,size);
    pa[3] = QPoint(size/6,size*5/4);
    pa[4] = QPoint(size*3/4,size*3/4);
    pa[5] = QPoint(size*3/4,size/4);
    QGraphicsPolygonItem* i = canvas.addPolygon(pa);
    i->setFlag(QGraphicsItem::ItemIsMovable);
    i->setPen(Qt::NoPen);
    i->setBrush( QColor(qrand()%32*8,qrand()%32*8,qrand()%32*8) );
    i->setPos(qrand()%int(canvas.width()),qrand()%int(canvas.height()));
    i->setZValue(qrand()%256);
}