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

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#include "cxViewRepCollection.h"

#include <vtkImageActor.h>
#include <vtkImageData.h>
#include "vtkRenderWindow.h"
#include "vtkRenderer.h"

#include "cxRep.h"
#include "cxTypeConversions.h"

namespace cx
{


ViewRepCollection::ViewRepCollection(vtkRenderWindowPtr renderWindow, const QString& uid, const QString& name)
{
        QString myuid = uid;
        if (myuid.isEmpty())
        {
                myuid = QString::number(reinterpret_cast<long>(this));
        }
        mRenderWindow = renderWindow;
        mBackgroundColor = QColor("black");
        mUid = myuid;
        mName = name;
        mType = View::VIEW;

        this->clear();
}

ViewRepCollection::~ViewRepCollection()
{
        removeReps();

        if (mRenderer)
                mRenderWindow->RemoveRenderer(mRenderer);
}

QString ViewRepCollection::getTypeString() const
{
        switch (this->getType())
        {
        case View::VIEW:
                return "View";
        case View::VIEW_2D:
                return "View2D";
        case View::VIEW_3D:
                return "View3D";
        case View::VIEW_REAL_TIME:
                return "ViewRealTime";
        }
        return "";
}

QString ViewRepCollection::getUid()
{
        return mUid;
}

QString ViewRepCollection::getName()
{
        return mName;
}

vtkRendererPtr ViewRepCollection::getRenderer() const
{
        return mRenderer;
}

void ViewRepCollection::addRep(const RepPtr& rep)
{
        if (hasRep(rep))
        {
                return;
        }

        rep->connectToView(mSelf.lock());
        mReps.push_back(rep);
}

void ViewRepCollection::setBackgroundColor(QColor color)
{
        mBackgroundColor = color;
        if (mRenderer)
        {
                mRenderer->SetBackground(mBackgroundColor.redF(), mBackgroundColor.greenF(), mBackgroundColor.blueF());
        }
}

void ViewRepCollection::clear()
{
        removeReps();

        if (mRenderer)
                mRenderWindow->RemoveRenderer(mRenderer);

        mRenderer = vtkRendererPtr::New();
        mRenderer->SetBackground(mBackgroundColor.redF(), mBackgroundColor.greenF(), mBackgroundColor.blueF());
        mRenderWindow->AddRenderer(mRenderer);
}

void ViewRepCollection::removeReps()
{
        for (RepsIter it = mReps.begin(); it != mReps.end(); ++it)
        {
                (*it)->disconnectFromView(mSelf.lock());
        }
        mReps.clear();
}

void ViewRepCollection::removeRep(const RepPtr& rep)
{
        RepsIter it = std::find(mReps.begin(), mReps.end(), rep);

        if (it == mReps.end())
        {
                return;
        }

        rep->disconnectFromView(mSelf.lock());
        mReps.erase(it);
}

std::vector<RepPtr> ViewRepCollection::getReps()
{
        return mReps;
}

bool ViewRepCollection::hasRep(const RepPtr& rep) const
{
        return std::count(mReps.begin(), mReps.end(), rep);
}

void ViewRepCollection::print(std::ostream& os)
{
        Indent ind;
        printSelf(os, ind);
}

void ViewRepCollection::printSelf(std::ostream & os, Indent indent)
{
        os << indent << "mUid: " << mUid << std::endl;
        os << indent << "mName: " << mName << std::endl;
        os << indent << "NumberOfReps: " << mReps.size() << std::endl;

        for (unsigned i = 0; i < mReps.size(); ++i)
        {
                os << indent << "<Rep child " << i << ">" << std::endl;
                mReps[i]->printSelf(os, indent.stepDown());
                os << indent << "</Rep child " << i << ">" << std::endl;
        }

        if (indent.includeDetails())
        {
                os << indent << "<RenderWindow>" << std::endl;
                mRenderWindow->PrintSelf(os, indent.getVtkIndent().GetNextIndent());
                os << indent << "</RenderWindow>" << std::endl;
                os << indent << "<Renderer>" << std::endl;
                mRenderer->PrintSelf(os, indent.getVtkIndent().GetNextIndent());
                os << indent << "</Renderer>" << std::endl;
                os << indent << "<Props>" << std::endl;
                vtkPropCollection* collection = mRenderer->GetViewProps();
                collection->InitTraversal();
                vtkProp* prop = collection->GetNextProp();
                while (prop)
                {
                        os << indent << indent << "<Prop>" << std::endl;
                        prop->PrintSelf(os, indent.getVtkIndent().GetNextIndent().GetNextIndent());
                        os << indent << indent << "</Prop>" << std::endl;
                        prop = collection->GetNextProp();
                }
                os << indent << "</Props>" << std::endl;
        }
}

void ViewRepCollection::setModified()
{
        this->getRenderer()->Modified();
        this->getRenderWindow()->Modified();
}

int ViewRepCollection::computeTotalMTime()
{
        unsigned long hash = 0;

        hash += this->getRenderer()->GetMTime();
        hash += this->getRenderWindow()->GetMTime();
        vtkPropCollection* props = this->getRenderer()->GetViewProps();
        props->InitTraversal();
        for (vtkProp* prop = props->GetNextProp(); prop != NULL; prop = props->GetNextProp())
        {
                vtkImageActor* imageActor = vtkImageActor::SafeDownCast(prop);
                if (imageActor && imageActor->GetInput())
                {
                        hash += imageActor->GetInput()->GetMTime();
                }
                hash += prop->GetMTime();
                hash += prop->GetRedrawMTime();
        }

        return hash;
}

} // namespace cx