+
+void SketcherPrs_SymbolPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
+ const SelectMgr_SequenceOfOwner& theOwners)
+{
+
+ Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
+ aSelectionPrs->Clear();
+ drawLines(aSelectionPrs, Quantity_NOC_WHITE);
+
+ aSelectionPrs->SetDisplayPriority(9);
+ aSelectionPrs->Display();
+ thePM->Highlight(this);
+}
+
+void SketcherPrs_SymbolPrs::HilightOwnerWithColor(const Handle(PrsMgr_PresentationManager3d)& thePM,
+ const Quantity_NameOfColor theColor,
+ const Handle(SelectMgr_EntityOwner)& theOwner)
+{
+ thePM->Color(this, theColor);
+
+ Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
+ aHilightPrs->Clear();
+ drawLines(aHilightPrs, theColor);
+
+ if (thePM->IsImmediateModeOn())
+ thePM->AddToImmediateList(aHilightPrs);
+}
+
+void SketcherPrs_SymbolPrs::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
+ const Handle(Prs3d_Presentation)& thePresentation,
+ const Standard_Integer theMode)
+{
+ // Create an icon
+ prepareAspect();
+
+ Handle(AIS_InteractiveContext) aCtx = GetContext();
+ Handle(OpenGl_GraphicDriver) aDriver = Handle(OpenGl_GraphicDriver)::DownCast(aCtx->CurrentViewer()->Driver());
+ if (!aDriver.IsNull()) {
+ // register the custom element factory function
+ aDriver->UserDrawCallback() = SymbolPrsCallBack;
+ }
+
+ // Update points with default shift value
+ if (!updatePoints(20)) {
+ return;
+ }
+
+ int aNbVertex = myPntArray->VertexNumber();
+ if (myOwner.IsNull()) {
+ myOwner = new SelectMgr_EntityOwner(this);
+ }
+
+ // Create sensitive point for each symbol
+ mySPoints.Clear();
+ for (int i = 1; i <= aNbVertex; i++) {
+ Handle(SketcherPrs_SensitivePoint) aSP = new SketcherPrs_SensitivePoint(myOwner, i);
+ mySPoints.Append(aSP);
+ }
+
+ Handle(Graphic3d_Group) aGroup = Prs3d_Root::NewGroup(thePresentation);
+ aGroup->SetPrimitivesAspect(myAspect);
+
+ // Recompute boundary box of the group
+ Graphic3d_BndBox4f& aBnd = aGroup->ChangeBoundingBox();
+ gp_Pnt aVert;
+ aBnd.Clear();
+ for (int i = 1; i <= myPntArray->ItemNumber(); i++) {
+ aVert = myPntArray->Vertice(i);
+ aBnd.Add (Graphic3d_Vec4((float)aVert.X(), (float)aVert.Y(), (float)aVert.Z(), 1.0f));
+ }
+
+ // Pint the group with custom procedure (see Render)
+ aGroup->UserDraw(this, true);
+
+ // Disable frustum culling for this object by marking it as mutable
+ aGroup->Structure()->SetMutable(true);
+ //aGroup->AddPrimitiveArray(myPntArray);
+}
+
+
+
+void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
+ const Standard_Integer aMode)
+{
+ ClearSelected();
+ if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
+ for (int i = 1; i <= mySPoints.Length(); i++)
+ aSelection->Add(mySPoints.Value(i));
+ }
+}
+
+
+void SketcherPrs_SymbolPrs::Render(const Handle(OpenGl_Workspace)& theWorkspace) const
+{
+ // do not update presentation for invalid or already removed objects: the presentation
+ // should be removed soon
+ if (!myConstraint->data().get() || !myConstraint->data()->isValid())
+ return;
+
+ const OpenGl_AspectMarker* anAspectMarker = theWorkspace->AspectMarker(Standard_True);
+ const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
+ Handle(OpenGl_View) aView = theWorkspace->ActiveView();
+
+ double aScale = aView->Camera()->Scale();
+ // Update points coordinate taking the viewer scale into account
+ if (!updatePoints(MyDist * aScale))
+ return;
+
+ Handle(Graphic3d_Buffer) aAttribs = myPntArray->Attributes();
+
+ if (myVboAttribs.IsNull()) {
+ myVboAttribs = new SketcherPrs_VertexBuffer(*aAttribs);
+ }
+
+ // Update drawing attributes
+ if (!myVboAttribs->init(aCtx, 0, aAttribs->NbElements, aAttribs->Data(), GL_NONE, aAttribs->Stride)) {
+ myVboAttribs->Release (aCtx.operator->());
+ myVboAttribs.Nullify();
+ return;
+ }
+
+ Handle(OpenGl_Texture) aTextureBack = theWorkspace->DisableTexture();
+
+ const Handle(OpenGl_PointSprite)& aSpriteNorm = anAspectMarker->SpriteRes(aCtx);
+
+ if (!aSpriteNorm.IsNull() && !aSpriteNorm->IsDisplayList()) {
+ const bool toHilight = (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) != 0;
+ const Handle(OpenGl_PointSprite)& aSprite = (toHilight && anAspectMarker->SpriteHighlightRes(aCtx)->IsValid())
+ ? anAspectMarker->SpriteHighlightRes(aCtx)
+ : aSpriteNorm;
+ theWorkspace->EnableTexture (aSprite);
+ aCtx->ShaderManager()->BindProgram(anAspectMarker, aSprite, Standard_False, Standard_False, anAspectMarker->ShaderProgramRes(aCtx));
+ const TEL_COLOUR* aLineColor = &anAspectMarker->Color();
+ if (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT)
+ aLineColor = theWorkspace->HighlightColor;
+
+ // Set lighting of the symbol
+ if (toHilight)
+ aCtx->core11fwd->glDisable (GL_LIGHTING);
+ else
+ aCtx->core11fwd->glEnable (GL_LIGHTING);
+
+ aCtx->SetColor4fv(*(const OpenGl_Vec4* )(aLineColor->rgb));
+
+
+ myVboAttribs->BindAllAttributes(aCtx);
+ // Textured markers will be drawn with the point sprites
+ aCtx->SetPointSize (anAspectMarker->MarkerSize());
+ aCtx->core11fwd->glEnable (GL_ALPHA_TEST);
+ aCtx->core11fwd->glAlphaFunc (GL_GEQUAL, 0.1f);
+
+ aCtx->core11fwd->glEnable (GL_BLEND);
+ aCtx->core11fwd->glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+ aCtx->core11fwd->glDrawArrays (0, 0, myVboAttribs->GetElemsNb());
+
+ aCtx->core11fwd->glDisable (GL_BLEND);
+ aCtx->core11fwd->glDisable (GL_ALPHA_TEST);
+ aCtx->SetPointSize (1.0f);
+ }
+ theWorkspace->EnableTexture (aTextureBack);
+ aCtx->BindProgram (NULL);
+
+ // Update selection position only if there is no selected object
+ // because it can corrupt selection of other objects
+ if ((GetContext()->NbCurrents() == 0) && (GetContext()->NbSelected() == 0))
+ {
+ GetContext()->MainSelector()->RebuildSensitivesTree (this);
+ GetContext()->MainSelector()->RebuildObjectsTree (false);
+ }
+}
+
+
+void SketcherPrs_SymbolPrs::Release (OpenGl_Context* theContext)
+{
+ // Release OpenGl resources
+ if (!myVboAttribs.IsNull()) {
+ if (theContext) {
+ theContext->DelayedRelease (myVboAttribs);
+ }
+ myVboAttribs.Nullify();
+ }
+}
+
+void SketcherPrs_SymbolPrs::drawShape(const std::shared_ptr<GeomAPI_Shape>& theShape,
+ const Handle(Prs3d_Presentation)& thePrs) const
+{
+ if (theShape->isEdge()) {
+ // The shape is edge
+ std::shared_ptr<GeomAPI_Curve> aCurve =
+ std::shared_ptr<GeomAPI_Curve>(new GeomAPI_Curve(theShape));
+ if (aCurve->isLine()) {
+ // The shape is line
+ GeomAdaptor_Curve aCurv(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
+ StdPrs_Curve::Add(thePrs, aCurv, myDrawer);
+ } else {
+ // The shape is circle or arc
+ GeomAdaptor_Curve aAdaptor(aCurve->impl<Handle(Geom_Curve)>(), aCurve->startParam(), aCurve->endParam());
+ StdPrs_DeflectionCurve::Add(thePrs,aAdaptor,myDrawer);
+ }
+ } else if (theShape->isVertex()) {
+ // draw vertex
+ std::shared_ptr<GeomAPI_Vertex> aVertex =
+ std::shared_ptr<GeomAPI_Vertex>(new GeomAPI_Vertex(theShape));
+ std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
+ Handle(Geom_CartesianPoint) aPoint = new Geom_CartesianPoint(aPnt->impl<gp_Pnt>());
+ StdPrs_Point::Add(thePrs, aPoint, myDrawer);
+ }
+}
+
+void SketcherPrs_SymbolPrs::drawListOfShapes(const std::shared_ptr<ModelAPI_AttributeRefList>& theListAttr,
+ const Handle(Prs3d_Presentation)& thePrs) const
+{
+ int aNb = theListAttr->size();
+ if (aNb == 0)
+ return;
+ int i;
+ ObjectPtr aObj;
+ for (i = 0; i < aNb; i++) {
+ aObj = theListAttr->object(i);
+ std::shared_ptr<GeomAPI_Shape> aShape = SketcherPrs_Tools::getShape(aObj);
+ if (aShape.get() != NULL)
+ drawShape(aShape, thePrs);
+ }
+}
+
+void SketcherPrs_SymbolPrs::BoundingBox (Bnd_Box& theBndBox)
+{
+ Select3D_BndBox3d aTmpBox;
+ for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
+ const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
+ aTmpBox.Combine (anEnt->BoundingBox());
+ }
+
+ theBndBox.Update (aTmpBox.CornerMin().x(), aTmpBox.CornerMin().y(), aTmpBox.CornerMin().z(),
+ aTmpBox.CornerMax().x(), aTmpBox.CornerMax().y(), aTmpBox.CornerMax().z());
+}
+