public:
//! Create uninitialized VBO..
+ //! \param theAttribs attributes
+ //! \param theStride a flag
SketcherPrs_VertexBuffer (const Graphic3d_Attribute* theAttribs,
const Standard_Integer theStride)
: Stride (theStride), NbAttributes(1)
memcpy (Attribs, theAttribs.AttributesArray(), sizeof(Graphic3d_Attribute) * NbAttributes);
}
+ /// Returns True if color attribute is defined
virtual bool HasColorAttribute() const
{
for (Standard_Integer anAttribIter = 0; anAttribIter < NbAttributes; ++anAttribIter) {
return false;
}
+ /// Returns True if normal attribute is defined
virtual bool HasNormalAttribute() const
{
for (Standard_Integer anAttribIter = 0; anAttribIter < NbAttributes; ++anAttribIter) {
return false;
}
+ /// Bind position of the attribute
+ /// \param theGlCtx OpenGl context
virtual void BindPositionAttribute (const Handle(OpenGl_Context)& theGlCtx) const
{
if (!OpenGl_VertexBuffer::IsValid()) {
}
}
+ /// Bind all attributes
+ /// \param theGlCtx OpenGl context
virtual void BindAllAttributes (const Handle(OpenGl_Context)& theGlCtx) const
{
if (!OpenGl_VertexBuffer::IsValid())
}
}
+ /// Unbind all attributes
+ /// \param theGlCtx OpenGl context
virtual void UnbindAllAttributes (const Handle(OpenGl_Context)& theGlCtx) const
{
if (!OpenGl_VertexBuffer::IsValid())
public:
+ /// Array of attributes
Graphic3d_Attribute Attribs[1];
+
+ /// A flag
Standard_Integer Stride;
+
+ /// Number of attributes
Standard_Integer NbAttributes;
};
class SketcherPrs_Element: public OpenGl_Element
{
public:
+ /// Constructor
+ /// \param theObj a presentation
SketcherPrs_Element(const Handle(SketcherPrs_SymbolPrs)& theObj) :
OpenGl_Element(), myObj(theObj) {}
+ /// Render the current presentation
+ /// \param theWorkspace OpenGL workspace
virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const
{
if (!myObj.IsNull())
myObj->Render(theWorkspace);
}
+ /// Releases OpenGL resources
+ /// \param theContext OpenGL context
virtual void Release (OpenGl_Context* theContext)
{
if (!myObj.IsNull())
SketcherPrs_SymbolPrs::SketcherPrs_SymbolPrs(ModelAPI_Feature* theConstraint,
const std::shared_ptr<GeomAPI_Ax3>& thePlane)
- : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane)
+ : AIS_InteractiveObject(), myConstraint(theConstraint), myPlane(thePlane), myIsConflicting(false)
{
SetAutoHilight(Standard_False);
}
SketcherPrs_SymbolPrs::~SketcherPrs_SymbolPrs()
{
SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
+ // Empty memory in position manager
aMgr->deleteConstraint(this);
}
if (myIconsMap.count(iconName()) == 1) {
return myIconsMap[iconName()];
}
- char* aEnv = getenv("NEWGEOM_ROOT_DIR");
+ // Load icon for the presentation
+ char* aEnv = getenv("SHAPERResources");
if (aEnv != NULL) {
TCollection_AsciiString aFile(aEnv);
- aFile+=FSEP;
- aFile+="resources";
aFile += FSEP;
aFile += iconName();
Handle(Image_AlienPixMap) aPixMap = new Image_AlienPixMap();
return aPixMap;
}
}
+ // The icon for constraint is not found
static const char aMsg[] = "Error! constraint images are not found";
cout<<aMsg<<endl;
Events_Error::send(aMsg);
return Handle(Image_AlienPixMap)();
}
-void SketcherPrs_SymbolPrs::ClearSelected()
-{
- Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( NULL );
- if( !aSelectionPrs.IsNull() ) {
- aSelectionPrs->Clear();
- }
-}
-
void SketcherPrs_SymbolPrs::prepareAspect()
{
+ // Create an aspect with the icon
if (myAspect.IsNull()) {
Handle(Image_AlienPixMap) aIcon = icon();
if (aIcon.IsNull())
std::shared_ptr<GeomAPI_Pnt> aPnt1 = aEdge->firstPoint();
std::shared_ptr<GeomAPI_Pnt> aPnt2 = aEdge->lastPoint();
+ // Draw line by two points
Handle(Graphic3d_ArrayOfSegments) aLines = new Graphic3d_ArrayOfSegments(2, 1);
aLines->AddVertex(aPnt1->impl<gp_Pnt>());
aLines->AddVertex(aPnt2->impl<gp_Pnt>());
const Handle(Prs3d_Presentation)& thePresentation,
const Standard_Integer theMode)
{
+ // Create an icon
prepareAspect();
Handle(AIS_InteractiveContext) aCtx = GetContext();
aDriver->UserDrawCallback() = SymbolPrsCallBack;
}
+ // Update points with default shift value
if (!updatePoints(20)) {
+ Events_Error::throwException("An empty AIS presentation: SketcherPrs_SymbolPrs");
return;
}
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);
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();
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
void SketcherPrs_SymbolPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
- const Standard_Integer aMode)
+ const Standard_Integer aMode)
{
ClearSelected();
if ((aMode == 0) || (aMode == SketcherPrs_Tools::Sel_Constraint)) {
}
}
+void SketcherPrs_SymbolPrs::SetConflictingConstraint(const bool& theConflicting,
+ const std::vector<int>& theColor)
+{
+ if (theConflicting)
+ {
+ if (!myAspect.IsNull())
+ myAspect->SetColor (Quantity_Color (theColor[0] / 255., theColor[1] / 255., theColor[2] / 255.,
+ Quantity_TOC_RGB));
+ myIsConflicting = true;
+ }
+ else
+ {
+ if (!myAspect.IsNull())
+ myAspect->SetColor (Quantity_Color (1.0, 1.0, 0.0, Quantity_TOC_RGB));
+ myIsConflicting = false;
+ }
+}
void SketcherPrs_SymbolPrs::Render(const Handle(OpenGl_Workspace)& theWorkspace) const
{
+ // this method is a combination of OCCT OpenGL functions. The main purpose is to have
+ // equal distance from the source object to symbol indpendently of zoom.
+ // It is base on OCCT 6.9.1 and might need changes when using later OCCT versions.
+ // The specific SHAPER modifications are marked by ShaperModification:start/end, other is OCCT code
+
// do not update presentation for invalid or already removed objects: the presentation
// should be removed soon
if (!myConstraint->data().get() || !myConstraint->data()->isValid())
const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext();
Handle(OpenGl_View) aView = theWorkspace->ActiveView();
+ // ShaperModification:start
double aScale = aView->Camera()->Scale();
+ // Update points coordinate taking the viewer scale into account
if (!updatePoints(MyDist * aScale))
return;
+ // ShaperModification:end
Handle(Graphic3d_Buffer) aAttribs = myPntArray->Attributes();
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();
const Handle(OpenGl_PointSprite)& aSpriteNorm = anAspectMarker->SpriteRes(aCtx);
if (!aSpriteNorm.IsNull() && !aSpriteNorm->IsDisplayList()) {
- const bool toHilight = (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) != 0;
+ // ShaperModification:start : filling the presentation with color if there is a conflict
+ const bool toHilight = (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT) != 0 || myIsConflicting;
+ // ShaperModification:end
+
const Handle(OpenGl_PointSprite)& aSprite = (toHilight && anAspectMarker->SpriteHighlightRes(aCtx)->IsValid())
? anAspectMarker->SpriteHighlightRes(aCtx)
: aSpriteNorm;
if (theWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT)
aLineColor = theWorkspace->HighlightColor;
+ // Set lighting of the symbol
if (toHilight)
aCtx->core11fwd->glDisable (GL_LIGHTING);
else
void SketcherPrs_SymbolPrs::Release (OpenGl_Context* theContext)
{
+ // Release OpenGl resources
if (!myVboAttribs.IsNull()) {
if (theContext) {
theContext->DelayedRelease (myVboAttribs);
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();
void SketcherPrs_SymbolPrs::BoundingBox (Bnd_Box& theBndBox)
{
Select3D_BndBox3d aTmpBox;
- for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next())
- {
+ for (Select3D_EntitySequenceIter aPntIter (mySPoints); aPntIter.More(); aPntIter.Next()) {
const Handle(Select3D_SensitiveEntity)& anEnt = aPntIter.Value();
aTmpBox.Combine (anEnt->BoundingBox());
}
