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0026027: Visualization, AIS_TexturedShape - back face culling option should not be overridden by texturing aspect

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kgv 2015-04-07 12:17:25 +03:00 committed by bugmaster
parent 42f8ba5632
commit 124ee9c962
1 changed files with 60 additions and 43 deletions
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103
src/AIS/AIS_TexturedShape.cxx
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@ -23,6 +23,8 @@
#include <Graphic3d_Group.hxx>
#include <Graphic3d_StructureManager.hxx>
#include <Graphic3d_Texture2Dmanual.hxx>
#include <Message.hxx>
#include <Message_Messenger.hxx>
#include <Precision.hxx>
#include <Prs3d_Drawer.hxx>
#include <Prs3d_Presentation.hxx>
@ -78,10 +80,8 @@ void AIS_TexturedShape::SetTextureFileName (const TCollection_AsciiString& theTe
}
else
{
#ifdef OCCT_DEBUG
std::cout << "Texture " << theTextureFileName << " doesn't exist\n";
std::cout << "Using Texture 0 instead ...\n";
#endif
Message::DefaultMessenger()->Send (TCollection_AsciiString ("Error: texture with ID ") + theTextureFileName
+ " is undefined! Texture 0 will be used instead.", Message_Fail);
myPredefTexture = Graphic3d_NameOfTexture2D (0);
}
myTextureFile = "";
@ -314,72 +314,89 @@ void AIS_TexturedShape::updateAttributes (const Handle(Prs3d_Presentation)& theP
myAspect = new Graphic3d_AspectFillArea3d (*myDrawer->ShadingAspect()->Aspect());
if (HasPolygonOffsets())
{
// Issue 23115: copy polygon offset settings passed through myDrawer
Standard_Integer aMode;
Standard_ShortReal aFactor, aUnits;
PolygonOffsets (aMode, aFactor, aUnits);
myAspect->SetPolygonOffsets (aMode, aFactor, aUnits);
}
if (!myToMapTexture)
Standard_Boolean hasTexture = Standard_False;
if (myToMapTexture)
{
myAspect->SetTextureMapOff();
return;
TCollection_AsciiString aTextureDesc;
if (!myTexturePixMap.IsNull())
{
myTexture = new Graphic3d_Texture2Dmanual (myTexturePixMap);
aTextureDesc = " (custom image)";
}
else if (myPredefTexture != Graphic3d_NOT_2D_UNKNOWN)
{
myTexture = new Graphic3d_Texture2Dmanual (myPredefTexture);
aTextureDesc = TCollection_AsciiString(" (predefined texture ") + myTexture->GetId() + ")";
}
else
{
myTexture = new Graphic3d_Texture2Dmanual (myTextureFile.ToCString());
aTextureDesc = TCollection_AsciiString(" (") + myTextureFile + ")";
}
if (myModulate)
{
myTexture->EnableModulate();
}
else
{
myTexture->DisableModulate();
}
if (myTexture->IsDone())
{
hasTexture = Standard_True;
}
else
{
Message::DefaultMessenger()->Send (TCollection_AsciiString ("Error: texture can not be loaded ") + aTextureDesc, Message_Fail);
}
}
if (!myTexturePixMap.IsNull())
{
myTexture = new Graphic3d_Texture2Dmanual (myTexturePixMap);
}
else if (myPredefTexture != Graphic3d_NOT_2D_UNKNOWN)
{
myTexture = new Graphic3d_Texture2Dmanual (myPredefTexture);
}
else
{
myTexture = new Graphic3d_Texture2Dmanual (myTextureFile.ToCString());
}
myAspect->SetTextureMapOn();
myAspect->SetTextureMap (myTexture);
if (!myTexture->IsDone())
if (hasTexture)
{
#ifdef OCCT_DEBUG
std::cout << "An error occurred while building texture\n";
#endif
myAspect->SetTextureMapOff();
return;
myAspect->SetTextureMapOn();
}
if (myModulate)
myTexture->EnableModulate();
else
myTexture->DisableModulate();
{
myAspect->SetTextureMapOff();
}
if (myToShowTriangles)
myAspect->SetEdgeOn();
else
myAspect->SetEdgeOff();
// manage back face culling in consistent way (as in StdPrs_ShadedShape::Add())
if (StdPrs_ToolShadedShape::IsClosed (myshape))
{
myAspect->SuppressBackFace();
myAspect->SetEdgeOn();
}
else
{
myAspect->AllowBackFace();
myAspect->SetEdgeOff();
}
// Go through all groups to change fill aspect for all primitives
for (Graphic3d_SequenceOfGroup::Iterator aGroupIt (thePrs->Groups()); aGroupIt.More(); aGroupIt.Next())
{
const Handle(Graphic3d_Group)& aGroup = aGroupIt.Value();
if (aGroup->IsGroupPrimitivesAspectSet (Graphic3d_ASPECT_FILL_AREA))
if (!aGroup->IsGroupPrimitivesAspectSet (Graphic3d_ASPECT_FILL_AREA))
{
aGroup->SetGroupPrimitivesAspect (myAspect);
continue;
}
if (aGroup->IsClosed())
{
myAspect->SuppressBackFace();
}
else
{
myAspect->AllowBackFace();
}
aGroup->SetGroupPrimitivesAspect (myAspect);
}
}