void Scene::drawItem(QPointF const &destination)
{
if (itemType == "QGraphicsRectItem")
{
QGraphicsRectItem* rect = addRect(QRectF(destination.x(), destination.y(), 100, 70)
, pen, brush);
rect->setFlag(QGraphicsItem::ItemIsMovable, true);
rect->setFlag(QGraphicsItem::ItemIsSelectable, true);
}
else if (itemType == "QGraphicsEllipseItem")
{
QGraphicsEllipseItem* ellipse = addEllipse(QRectF(destination.x(), destination.y(), 100, 70)
, pen, brush);
ellipse->setFlag(QGraphicsItem::ItemIsMovable, true);
ellipse->setFlag(QGraphicsItem::ItemIsSelectable, true);
}
}
void MainWindow::slotAddEllipseItem() //在场景中加入一个椭圆形图元
{
QGraphicsEllipseItem *item = new QGraphicsEllipseItem(QRectF(0,0,80, 60));
item->setPen(Qt::NoPen);
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);
}
// draws the cv points
void CCurveScene::drawPoints()
{
while (_circleObjects.size()) {
delete _circleObjects[0];
_circleObjects.erase(_circleObjects.begin());
}
const int numCV = _cvs.size();
for (int i = 0; i < numCV; i++) {
const T_CURVE::CV& pt = _cvs[i];
QPen pen;
if (i == _selectedItem) {
pen = QPen(QColor(255,170,0),1.0);
} else {
pen = QPen(Qt::black,1.0);
}
_circleObjects.push_back(addEllipse(pt._pos*_width-4, _height+3, 8, 8, pen, QBrush(QColor(int(255 * pt._val[0] +0.5), int(255 * pt._val[1] + 0.5), int(255 * pt._val[2] + 0.5)))));
QGraphicsEllipseItem *circle = _circleObjects.back();
circle->setFlag(QGraphicsItem::ItemIsMovable, true);
circle->setZValue(2);
}
}
void GalaGV::showESysteme(const QString &ally, bool show)
{
if(!ally.isEmpty()){
mData->showESysteme.first = ally;
mData->showESysteme.second = show;
int gala =mData->gala;
QString key = ally+";"+QString::number(gala);
if(!mData->eSysteme.contains(key)){
QList<ESystem> l =mDB->eSysteme(ally,gala);
QString cords;
QHash<QString,QGraphicsEllipseItem*> hash;
for (int var = 0; var < l.size(); ++var) {
const ESystem & s = l.at(var);
cords = s.cords;
if(cords== "")
cords = mData->systeme.value(mData->gala).value(s.id)->data(Cords).toString();
QGraphicsEllipseItem *item = makeMarkerItem(cords,s.id,Ally,s.isWerft?Qt::yellow:QColor("#E87A1A"),Mark);
if(s.isChecked){
item->setOpacity(0.5);
}
item->setData(Esystem,QVariant::fromValue(s));
item->setFlag(QGraphicsItem::ItemIsSelectable,true);
item->setToolTip(s.namen.join(",")+" : "+(s.isWerft?"Werft":""));
hash.insert(s.id,item);
scene()->addItem(item);
}
mData->eSysteme.insert(key,hash);
qDebug() << Q_FUNC_INFO << mData->eSysteme.keys()<< mData->eSysteme.value(key).count();
}
if(show)
showItems(mData->eSysteme.value(key));
else
hideItems(mData->eSysteme.value(key));
}
}
