cxLandmarkRep.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.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
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=========================================================================*/

#include "cxLandmarkRep.h"

#include <sstream>
#include <vtkMath.h>
#include <vtkImageData.h>
#include <vtkDoubleArray.h>
#include <vtkVectorText.h>
#include <vtkFollower.h>
#include <vtkSphereSource.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include "cxView.h"
#include "cxLandmark.h"

#include "cxPatientModelService.h"
#include "cxTypeConversions.h"
#include "boost/bind.hpp"
#include "cxVtkHelperClasses.h"

namespace cx
{

PatientLandmarksSource::PatientLandmarksSource(PatientModelServicePtr dataManager) : mDataManager(dataManager)
{
        connect(mDataManager->getPatientLandmarks().get(), SIGNAL(landmarkAdded(QString)), this, SIGNAL(changed()));
        connect(mDataManager->getPatientLandmarks().get(), SIGNAL(landmarkRemoved(QString)), this, SIGNAL(changed()));
        connect(mDataManager.get(), SIGNAL(rMprChanged()), this, SIGNAL(changed()));
}
LandmarkMap PatientLandmarksSource::getLandmarks() const
{
        return mDataManager->getPatientLandmarks()->getLandmarks();
}
Transform3D PatientLandmarksSource::get_rMl() const
{
        return mDataManager->get_rMpr();
}
// --------------------------------------------------------
Vector3D PatientLandmarksSource::getTextPos(Vector3D p_l) const
{
        return p_l;
}
// --------------------------------------------------------

// --------------------------------------------------------
// --------------------------------------------------------
// --------------------------------------------------------

ImageLandmarksSource::ImageLandmarksSource()
{
}

DataPtr ImageLandmarksSource::getData()
{
        return mData;
}

void ImageLandmarksSource::setData(DataPtr image)
{
        if (image == mData)
                return;

        if (mData)
        {
                disconnect(mData->getLandmarks().get(), SIGNAL(landmarkAdded(QString)), this, SIGNAL(changed()));
                disconnect(mData->getLandmarks().get(), SIGNAL(landmarkRemoved(QString)), this, SIGNAL(changed()));
                disconnect(mData.get(), SIGNAL(transformChanged()), this, SIGNAL(changed()));
        }

        mData = image;

        if (mData)
        {
                connect(mData->getLandmarks().get(), SIGNAL(landmarkAdded(QString)), this, SIGNAL(changed()));
                connect(mData->getLandmarks().get(), SIGNAL(landmarkRemoved(QString)), this, SIGNAL(changed()));
                connect(mData.get(), SIGNAL(transformChanged()), this, SIGNAL(changed()));
        }

        emit changed();
}

LandmarkMap ImageLandmarksSource::getLandmarks() const
{
        if (!mData)
                return LandmarkMap();
        return mData->getLandmarks()->getLandmarks();
}

Transform3D ImageLandmarksSource::get_rMl() const
{
        if (!mData)
                return Transform3D::Identity();
        return mData->get_rMd();
}

Vector3D ImageLandmarksSource::getTextPos(Vector3D p_l) const
{
        Vector3D imageCenter = mData->boundingBox().center();
        Vector3D centerToSkinVector = (p_l - imageCenter).normal();
        Vector3D numberPosition = p_l + 10.0 * centerToSkinVector;
        return numberPosition;
}

// --------------------------------------------------------
// --------------------------------------------------------
// --------------------------------------------------------

LandmarkRepPtr LandmarkRep::New(PatientModelServicePtr dataManager, const QString& uid)
{
        return wrap_new(new LandmarkRep(dataManager), uid);
}

LandmarkRep::LandmarkRep(PatientModelServicePtr dataManager) :
        RepImpl(),
        mDataManager(dataManager),
        mInactiveColor(QColor::fromRgbF(0.5,0.5,0.5)),
        mColor(QColor(Qt::green)),
                                //  mSecondaryColor(0,0.6,0.8),
        mSecondaryColor(QColor::fromRgbF(0, 0.9, 0.5)),
        mShowLandmarks(true),
        mGraphicsSize(1),
        mLabelSize(2.5)
{
        connect(mDataManager.get(), SIGNAL(landmarkPropertiesChanged()), this, SLOT(internalUpdate()));

        mViewportListener.reset(new ViewportListener);
        mViewportListener->setCallback(boost::bind(&LandmarkRep::rescale, this));
}

LandmarkRep::~LandmarkRep()
{
}

void LandmarkRep::setPrimarySource(LandmarksSourcePtr primary)
{
//  std::cout << this <<  "  LandmarkRep::setPrimarySource " << primary.get() << std::endl;

        if (mPrimary)
                disconnect(mPrimary.get(), SIGNAL(changed()), this, SLOT(internalUpdate()));
        mPrimary = primary;
        if (mPrimary)
                connect(mPrimary.get(), SIGNAL(changed()), this, SLOT(internalUpdate()));

        this->internalUpdate();
}

void LandmarkRep::setSecondarySource(LandmarksSourcePtr secondary)
{
        if (mSecondary)
                disconnect(mSecondary.get(), SIGNAL(changed()), this, SLOT(internalUpdate()));
        mSecondary = secondary;
        if (mSecondary)
                connect(mSecondary.get(), SIGNAL(changed()), this, SLOT(internalUpdate()));

        this->internalUpdate();
}

void LandmarkRep::setColor(QColor color)
{
        mColor = color;
        this->internalUpdate();
}

void LandmarkRep::setSecondaryColor(QColor color)
{
        mSecondaryColor = color;
        this->internalUpdate();
}

void LandmarkRep::setGraphicsSize(double size)
{
        mGraphicsSize = size;
        this->internalUpdate();
}

void LandmarkRep::setLabelSize(double size)
{
        mLabelSize = size;
        this->internalUpdate();
}

void LandmarkRep::showLandmarks(bool on)
{
        if (on == mShowLandmarks)
                return;

        for (LandmarkGraphicsMapType::iterator iter = mGraphics.begin(); iter != mGraphics.end(); ++iter)
        {
                if (iter->second.mPrimaryPoint)
                        iter->second.mPrimaryPoint->getActor()->SetVisibility(on);
                if (iter->second.mSecondaryPoint)
                        iter->second.mSecondaryPoint->getActor()->SetVisibility(on);
                if (iter->second.mText)
                        iter->second.mText->getActor()->SetVisibility(on);
                if (iter->second.mLine)
                        iter->second.mLine->getActor()->SetVisibility(on);
        }
        mShowLandmarks = on;
}

void LandmarkRep::addAll()
{
//  std::cout << this << " LandmarkRep::addLandmark ADD ALL" << std::endl;

        LandmarkPropertyMap props = mDataManager->getLandmarkProperties();

        for (LandmarkPropertyMap::iterator it = props.begin(); it != props.end(); ++it)
        {
                this->addLandmark(it->first);
        }
}

void LandmarkRep::internalUpdate()
{
//  std::cout << this << " LandmarkRep::internalUpdate()" << std::endl;

        this->clearAll();
        this->addAll();
}

void LandmarkRep::clearAll()
{
//  std::cout << this << " LandmarkRep::addLandmark CLEAR ALL" << std::endl;
        mGraphics.clear();
}

void LandmarkRep::addRepActorsToViewRenderer(ViewPtr view)
{
        if (!view || !view->getRenderer())
                return;

        this->addAll();
        mViewportListener->startListen(view->getRenderer());
}

void LandmarkRep::removeRepActorsFromViewRenderer(ViewPtr view)
{
        this->clearAll();
        mViewportListener->stopListen();
}

void LandmarkRep::addLandmark(QString uid)
{
//  std::cout << this << " LandmarkRep::addLandmark init" << uid << std::endl;
        vtkRendererPtr renderer = this->getRenderer();

        LandmarkProperty property = mDataManager->getLandmarkProperties()[uid];
        if (property.getUid().isEmpty())
        {
//    std::cout << "LandmarkRep::addLandmark CLEAR" << uid << std::endl;
                mGraphics.erase(uid);
                return;
        }

        double radius = 2;
        QColor color = mColor;
        QColor secondaryColor = mSecondaryColor;

        if (!property.getActive())
        {
                radius = 1;
                color = mInactiveColor;
                secondaryColor = mInactiveColor;
        }

        LandmarkGraphics current;

        // primary point
        Landmark primary;
        Vector3D primary_r(0, 0, 0);
        if (mPrimary)
        {
//    std::cout << this << "   LandmarkRep::addLandmark found mPrimary" << uid << std::endl;
                primary = mPrimary->getLandmarks()[uid];
                if (!primary.getUid().isEmpty())
                {
//      std::cout << this << "  LandmarkRep::addLandmark" << uid << std::endl;

                        primary_r = mPrimary->get_rMl().coord(primary.getCoord());

                        current.mPrimaryPoint.reset(new GraphicalPoint3D(renderer));
                        current.mPrimaryPoint->setColor(color);
                        current.mPrimaryPoint->setRadius(radius);

                        current.mText.reset(new FollowerText3D(renderer));
                        current.mText->setText(property.getName());
                        current.mText->setSizeInNormalizedViewport(true, 0.025);
                        current.mText->setColor(color);

                        Vector3D text_r = mPrimary->get_rMl().coord(mPrimary->getTextPos(primary.getCoord()));

                        current.mPrimaryPoint->setValue(primary_r);
                        current.mText->setPosition(text_r);
                }
        }

        // secondary point
        Vector3D secondary_r(0, 0, 0);
        Landmark secondary;
        if (mSecondary)
        {
                secondary = mSecondary->getLandmarks()[uid];
                if (!secondary.getUid().isEmpty())
                {
                        secondary_r = mSecondary->get_rMl().coord(secondary.getCoord());

                        current.mSecondaryPoint.reset(new GraphicalPoint3D(renderer));
                        current.mSecondaryPoint->setColor(secondaryColor);
                        current.mSecondaryPoint->setRadius(radius);
                        current.mSecondaryPoint->setValue(secondary_r);
                }
        }

        // connecting line
        if (!secondary.getUid().isEmpty() && !secondary.getUid().isEmpty())
        {
                current.mLine.reset(new GraphicalLine3D(renderer));
                current.mLine->setColor(secondaryColor);
                current.mLine->setStipple(0x0F0F);

                current.mLine->setValue(primary_r, secondary_r);
        }

        mGraphics[uid] = current;
        this->rescale();
}

void LandmarkRep::rescale()
{
        if (!mViewportListener->isListening())
                return;
        double size = mViewportListener->getVpnZoom();
        double sphereSize = mGraphicsSize / 100 / size;

        for (LandmarkGraphicsMapType::iterator iter = mGraphics.begin(); iter != mGraphics.end(); ++iter)
        {
                if (iter->second.mSecondaryPoint)
                        iter->second.mSecondaryPoint->setRadius(sphereSize);
                if (iter->second.mPrimaryPoint)
                        iter->second.mPrimaryPoint->setRadius(sphereSize);
        }
}

} //namespace cx