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occt/samples/java/src/ISession/ISession_Direction.cxx
2012-03-05 19:23:40 +04:00

91 lines
3.1 KiB
C++
Executable File

#include <ISession_Direction.ixx>
#include <Prs3d_ArrowAspect.hxx>
#include <gp_Pnt.hxx>
#include <DsgPrs_LengthPresentation.hxx>
#include <DsgPrs.hxx>
#include <Graphic2d_SetOfSegments.hxx>
#include <gp_Dir2d.hxx>
#include <AIS_Drawer.hxx>
ISession_Direction::ISession_Direction()
{
}
ISession_Direction::ISession_Direction(const gp_Pnt& aPnt,const gp_Dir& aDir,const Standard_Real aLength,const Standard_Real anArrowLength)
:myPnt(aPnt),myDir(aDir),myLength(aLength),myArrowLength(anArrowLength)
{
}
ISession_Direction::ISession_Direction(const gp_Pnt& aPnt,const gp_Vec& aVec,const Standard_Real aLength)
:myPnt(aPnt),myDir(aVec),myArrowLength(aLength)
{
myLength = aVec.Magnitude();
}
ISession_Direction::ISession_Direction(const gp_Pnt2d& aPnt2d,const gp_Dir2d& aDir2d,const Standard_Real aLength)
:myPnt(gp_Pnt(aPnt2d.X(),aPnt2d.Y(),0)),myDir(gp_Dir(aDir2d.X(),aDir2d.Y(),0)),myLength(aLength)
{
}
ISession_Direction::ISession_Direction(const gp_Pnt2d& aPnt2d,const gp_Vec2d& aVec2d)
:myPnt(gp_Pnt(aPnt2d.X(),aPnt2d.Y(),0)),myDir(gp_Dir(aVec2d.X(),aVec2d.Y(),0))
{
myLength = aVec2d.Magnitude();
}
void ISession_Direction::SetText(const TCollection_ExtendedString& aText)
{
myText = aText;
}
void ISession_Direction::Compute(const Handle(PrsMgr_PresentationManager3d)& ,const Handle(Prs3d_Presentation)& aPresentation,const Standard_Integer )
{
Handle(Prs3d_ArrowAspect) anArrowAspect = myDrawer->ArrowAspect();
anArrowAspect->SetLength(myArrowLength);
myDrawer->SetArrowAspect(anArrowAspect);
gp_Pnt LastPoint = myPnt;
LastPoint.Translate (myLength*gp_Vec(myDir));
if (myText.Length() == 0)
DsgPrs_LengthPresentation::Add(aPresentation,myDrawer,myPnt,LastPoint,DsgPrs_AS_LASTAR);
else
{
gp_Pnt OffsetPoint = myPnt;
OffsetPoint.Translate ((myLength) *gp_Vec(myDir));
DsgPrs_LengthPresentation::Add(aPresentation,myDrawer,myText,myPnt,LastPoint, -myDir, OffsetPoint, DsgPrs_AS_LASTAR);
}
}
void ISession_Direction::Compute(const Handle(Prs3d_Projector)& ,const Handle(Prs3d_Presentation)& )
{
}
void ISession_Direction::Compute(const Handle(PrsMgr_PresentationManager2d)& ,const Handle(Graphic2d_GraphicObject)& aGrObj,const Standard_Integer )
{
Handle(Graphic2d_SetOfSegments) segment;
segment = new Graphic2d_SetOfSegments(aGrObj);
segment->Add(myPnt.X(),
myPnt.Y(),
myPnt.X()+myLength*myDir.X(),
myPnt.Y()+myLength*myDir.Y());
gp_Dir2d aFirstDir = gp_Dir2d(myDir.X(),myDir.Y()).Rotated (200*PI180);
segment->Add(myPnt.X()+myLength*myDir.X(),
myPnt.Y()+myLength*myDir.Y(),
myPnt.X()+myLength*myDir.X()+ myLength*aFirstDir.X()/5,
myPnt.Y()+myLength*myDir.Y()+ myLength*aFirstDir.Y()/5);
gp_Dir2d aSecondDir = gp_Dir2d(myDir.X(),myDir.Y()).Rotated (-200*PI180);
segment->Add(myPnt.X()+myLength*myDir.X(),
myPnt.Y()+myLength*myDir.Y(),
myPnt.X()+myLength*myDir.X()+ myLength*aSecondDir.X()/5,
myPnt.Y()+myLength*myDir.Y()+ myLength*aSecondDir.Y()/5);
}
void ISession_Direction::ComputeSelection(const Handle(SelectMgr_Selection)& ,const Standard_Integer )
{
}