static SketcherPrs_PositionMgr* MyPosMgr = NULL;
-
+// The class is implemented as a singlton
SketcherPrs_PositionMgr* SketcherPrs_PositionMgr::get()
{
if (MyPosMgr == NULL)
const SketcherPrs_SymbolPrs* thePrs)
{
if (myShapes.count(theLine) == 1) {
+ // Find the map and add new [Presentation - Index] pair
PositionsMap& aPosMap = myShapes[theLine];
if (aPosMap.count(thePrs) == 1) {
+ // return existing index
return aPosMap[thePrs];
} else {
+ // Add a new [Presentation - Index] pair
int aInd = aPosMap.size();
aPosMap[thePrs] = aInd;
return aInd;
}
} else {
+ // Create a new map with initial index
PositionsMap aPosMap;
aPosMap[thePrs] = 0;
myShapes[theLine] = aPosMap;
(aPnt1->z() + aPnt2->z())/2.);
} else {
+ // this is a circle or arc
double aMidParam = (aCurve->startParam() + aCurve->endParam()) / 2.;
std::shared_ptr<GeomAPI_Pnt> aPnt = aCurve->getPoint(aMidParam);
aP = aPnt->impl<gp_Pnt>();
std::shared_ptr<GeomAPI_Dir> aDir = thePrs->plane()->dirX();
aVec1 = gp_Vec(aDir->impl<gp_Dir>());
}
+ // Compute shifting vector for a one symbol
gp_Vec aShift = aVec1.Crossed(thePrs->plane()->normal()->impl<gp_Dir>());
aShift.Normalize();
aShift.Multiply(theStep * 0.8);
+ // Shift the position coordinate according to position index
int aPos = getPositionIndex(theShape, thePrs);
int aM = 1;
if ((aPos % 2) == 0) {
{
std::map<ObjectPtr, PositionsMap>::iterator aIt;
std::list<ObjectPtr> aToDel;
+ // Clear map for deleted presentation
for (aIt = myShapes.begin(); aIt != myShapes.end(); ++aIt) {
PositionsMap& aPosMap = aIt->second;
if (aPosMap.count(thePrs) > 0) {
+ // Erase index
aPosMap.erase(aPosMap.find(thePrs));
if (aPosMap.size() == 0)
+ // Delete the map
aToDel.push_back(aIt->first);
else {
+ // Reindex objects positions in order to avoid spaces
PositionsMap::iterator aIt;
int i = 0;
for (aIt = aPosMap.begin(); aIt != aPosMap.end(); aIt++, i++)