cxGeometricRep.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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=========================================================================*/


#include "cxGeometricRep.h"

#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkActor.h>
#include <vtkRenderer.h>
#include <vtkMatrix4x4.h>

#include "cxMesh.h"
#include "cxView.h"

#include "cxTypeConversions.h"

namespace cx
{

GeometricRep::GeometricRep() :
        RepImpl()
{
        mMapper = vtkPolyDataMapperPtr::New();
        mProperty = vtkPropertyPtr::New();
        mActor = vtkActorPtr::New();
        mActor->SetMapper(mMapper);
        mActor->SetProperty(mProperty);

        mProperty->SetPointSize(2);
}
GeometricRep::~GeometricRep()
{
}
GeometricRepPtr GeometricRep::New(const QString& uid)
{
        return wrap_new(new GeometricRep(), uid);
}

void GeometricRep::addRepActorsToViewRenderer(ViewPtr view)
{
        view->getRenderer()->AddActor(mActor);
}

void GeometricRep::removeRepActorsFromViewRenderer(ViewPtr view)
{
        view->getRenderer()->RemoveActor(mActor);
}

void GeometricRep::setMesh(MeshPtr mesh)
{
        if (mesh == mMesh)
                return;
        if (mMesh)
        {
                disconnect(mMesh.get(), SIGNAL(meshChanged()), this, SLOT(meshChangedSlot()));
                disconnect(mMesh.get(), SIGNAL(transformChanged()), this, SLOT(transformChangedSlot()));
        }
        mMesh = mesh;
        if (mMesh)
        {
                connect(mMesh.get(), SIGNAL(meshChanged()), this, SLOT(meshChangedSlot()));
                connect(mMesh.get(), SIGNAL(transformChanged()), this, SLOT(transformChangedSlot()));
                this->meshChangedSlot();
                this->transformChangedSlot();
        }
}

MeshPtr GeometricRep::getMesh()
{
        return mMesh;
}
bool GeometricRep::hasMesh(MeshPtr mesh) const
{
        return (mMesh == mesh);
}

void GeometricRep::meshChangedSlot()
{
//      std::cout << "GeometricRep::meshChangedSlot()" << std::endl;
//      mMesh->connectToRep(mSelf);

        mMapper->SetInputData(mMesh->getVtkPolyData());
        mMapper->ScalarVisibilityOff();//Don't use the LUT from the VtkPolyData

        //Set mesh color
        mActor->GetProperty()->SetColor(mMesh->getColor().redF(), mMesh->getColor().greenF(), mMesh->getColor().blueF());
        //Set mesh opacity
        mActor->GetProperty()->SetOpacity(mMesh->getColor().alphaF());

        if (mMesh->getIsWireframe())
                mActor->GetProperty()->SetRepresentationToWireframe();
        else
                mActor->GetProperty()->SetRepresentationToSurface();

        //Set backface and frontface culling
        mActor->GetProperty()->SetBackfaceCulling(mMesh->getBackfaceCulling());
        mActor->GetProperty()->SetFrontfaceCulling(mMesh->getFrontfaceCulling());
}

void GeometricRep::transformChangedSlot()
{
        if (!mMesh)
        {
                return;
        }

        mActor->SetUserMatrix(mMesh->get_rMd().getVtkMatrix());
}

//---------------------------------------------------------
}
// namespace cx
//---------------------------------------------------------