cxToolRep3D.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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#include "cxToolRep3D.h"

#include "boost/bind.hpp"
#include <vtkActor.h>
#include <vtkProperty.h>
#include <vtkPolyDataMapper.h>
#include <vtkPolyDataNormals.h>
#include <vtkSTLReader.h>
#include <vtkMatrix4x4.h>
#include <vtkRenderer.h>

#include "cxGraphicalPrimitives.h"
#include "cxProbe.h"
#include "cxView.h"
#include "cxVideoSourceGraphics.h"
#include "cxTypeConversions.h"
#include "cxToolTracer.h"
#include "cxTool.h"
#include "cxSpaceProvider.h"
#include "cxSettings.h"

namespace cx
{

ToolRep3D::ToolRep3D(SpaceProviderPtr spaceProvider) :
        RepImpl(),
        mSpaceProvider(spaceProvider),
        mSphereRadiusInNormalizedViewport(false),
        mStipplePattern(0xFFFF)
{
        mTooltipPointColor = settings()->value("View/toolTipPointColor").value<QColor>();
        mOffsetPointColor = settings()->value("View/toolOffsetPointColor").value<QColor>();
        mOffsetLineColor = settings()->value("View/toolOffsetLineColor").value<QColor>();

        mSphereRadius = 2;
        mStayHiddenAfterVisible = false;
        mStayVisibleAfterHide = false;
        mOffsetPointVisibleAtZeroOffset = false;
        mToolActor = vtkActorPtr::New();
        mPolyDataMapper = vtkPolyDataMapperPtr::New();
//      mSTLReader = vtkSTLReaderPtr::New();

        mOffsetPoint.reset(new GraphicalPoint3D());
        mOffsetLine.reset(new GraphicalLine3D());
        mTooltipPoint.reset(new GraphicalPoint3D());

        mProbeSector.reset(new ProbeSector());
        mProbeSectorPolyDataMapper = vtkPolyDataMapperPtr::New();
        mProbeSectorActor = vtkActorPtr::New();

        mTracer = ToolTracer::create(mSpaceProvider);
}

ToolRep3D::~ToolRep3D()
{}

ToolTracerPtr ToolRep3D::getTracer()
{
        return mTracer;
}

ToolRep3DPtr ToolRep3D::New(SpaceProviderPtr spaceProvider, const QString& uid)
{
        return wrap_new(new ToolRep3D(spaceProvider), uid);
}

QString ToolRep3D::getType() const
{
        return "ToolRep3D";
}

ToolPtr ToolRep3D::getTool()
{
        return mTool;
}

void ToolRep3D::updateToolActor()
{
        if (!mTool)
        {
                mToolActor->SetMapper(NULL);
                return;
        }

        vtkPolyDataPtr model = mTool->getGraphicsPolyData();

        if (model)
        {
                vtkPolyDataNormalsPtr normals = vtkPolyDataNormalsPtr::New();
                normals->SetInputData(model);
                mPolyDataMapper->SetInputConnection(normals->GetOutputPort());
                mPolyDataMapper->Update();
                mToolActor->SetMapper(mPolyDataMapper);
        }

        //some color to 3D cursor
        mToolActor->GetProperty()->SetColor(1.0, 1.0, 1.0);
        if (mTool->hasType(Tool::TOOL_MANUAL))
        {
                setColorAndOpacity(mToolActor->GetProperty(), mTooltipPointColor);
        }

        this->setModified();
        mToolActor->SetVisibility(mTool->getVisible());
}

void ToolRep3D::setTool(ToolPtr tool)
{
        if (tool == mTool)
                return;

        mTracer->setTool(tool);

        if (mTool)
        {
                disconnect(mTool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D, double)), this, SLOT(setModified()));
                disconnect(mTool.get(), SIGNAL(toolVisible(bool)), this, SLOT(receiveVisible(bool)));
                disconnect(mTool.get(), SIGNAL(tooltipOffset(double)), this, SLOT(tooltipOffsetSlot(double)));
                disconnect(mTool.get(), SIGNAL(toolProbeSector()), this, SLOT(probeSectorChanged()));
                disconnect(mTool.get(), SIGNAL(toolProbeSector()), this, SLOT(updateToolActor()));
        }

        mTool = tool;

        if (mTool)
        {
                connect(mTool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D, double)), this, SLOT(setModified()));
                connect(mTool.get(), SIGNAL(toolVisible(bool)), this, SLOT(receiveVisible(bool)));
                connect(mTool.get(), SIGNAL(tooltipOffset(double)), this, SLOT(tooltipOffsetSlot(double)));
                connect(mTool.get(), SIGNAL(toolProbeSector()), this, SLOT(probeSectorChanged()));
                connect(mTool.get(), SIGNAL(toolProbeSector()), this, SLOT(updateToolActor()));
        }

        this->updateToolActor();
        this->setModified();
        this->probeSectorChanged();
}

bool ToolRep3D::hasTool(ToolPtr tool) const
{
        return (mTool == tool);
}

void ToolRep3D::setSphereRadius(double radius)
{
        mSphereRadius = radius;
        if (mOffsetPoint)
                mOffsetPoint->setRadius(mSphereRadius);
        if (mTooltipPoint)
                mTooltipPoint->setRadius(mSphereRadius);
}

void ToolRep3D::setTooltipPointColor(QColor c)
{
        mTooltipPointColor = c;
}

void ToolRep3D::setOffsetPointColor(QColor c)
{
        mOffsetPointColor = c;
}

void ToolRep3D::setOffsetLineColor(QColor c)
{
        mOffsetLineColor = c;
}

void ToolRep3D::setOffsetStipplePattern(int pattern)
{
        mStipplePattern = pattern;
}

void ToolRep3D::setSphereRadiusInNormalizedViewport(bool on)
{
        if (mSphereRadiusInNormalizedViewport == on)
                return;

        mSphereRadiusInNormalizedViewport = on;

        if (on)
        {
                mViewportListener.reset(new ViewportListener);
                mViewportListener->setCallback(boost::bind(&ToolRep3D::scaleSpheres, this));
        }
        else
        {
                mViewportListener.reset();
        }
}

void ToolRep3D::addRepActorsToViewRenderer(ViewPtr view)
{
        view->getRenderer()->AddActor(mTracer->getActor());

        view->getRenderer()->AddActor(mToolActor);
        view->getRenderer()->AddActor(mProbeSectorActor);

        mOffsetPoint.reset(new GraphicalPoint3D(view->getRenderer()));
        mOffsetPoint->setRadius(mSphereRadius);
        mOffsetPoint->setColor(mOffsetPointColor);

        mTooltipPoint.reset(new GraphicalPoint3D(view->getRenderer()));
        mTooltipPoint->setRadius(mSphereRadius);
        mTooltipPoint->setColor(mTooltipPointColor);

        mOffsetLine.reset(new GraphicalLine3D(view->getRenderer()));
        mOffsetLine->setColor(mOffsetLineColor);
        mOffsetLine->setStipple(mStipplePattern);

        mTooltipPoint->getActor()->SetVisibility(false);
        mOffsetPoint->getActor()->SetVisibility(false);
        mOffsetLine->getActor()->SetVisibility(false);

        if (mViewportListener)
                mViewportListener->startListen(view->getRenderer());
}

void ToolRep3D::removeRepActorsFromViewRenderer(ViewPtr view)
{
        view->getRenderer()->RemoveActor(mTracer->getActor());
        view->getRenderer()->RemoveActor(mToolActor);
        view->getRenderer()->RemoveActor(mProbeSectorActor);

        mTooltipPoint.reset(new GraphicalPoint3D());
        mOffsetPoint.reset(new GraphicalPoint3D());
        mOffsetLine.reset(new GraphicalLine3D());

        if (mViewportListener)
                mViewportListener->stopListen();
}

void ToolRep3D::scaleSpheres()
{
        if (!mViewportListener)
                return;
        if (!mViewportListener->isListening())
                return;

        double size = mViewportListener->getVpnZoom();
        double sphereSize = mSphereRadius/100/size;

        if (mOffsetPoint)
                mOffsetPoint->setRadius(sphereSize);
        if (mTooltipPoint)
                mTooltipPoint->setRadius(sphereSize);
}

void ToolRep3D::onModifiedStartRender()
{
        this->update();
}


void ToolRep3D::update()
{
        Transform3D prMt = Transform3D::Identity();
        if (mTool)
                prMt = mTool->get_prMt();
        Transform3D rMpr = mSpaceProvider->get_rMpr();

        Transform3D rMt = rMpr * prMt;
        mToolActor->SetUserMatrix(rMt.getVtkMatrix());

        if (this->showProbe())
        {
                Transform3D tMu = mProbeSector->get_tMu();
                mProbeSectorActor->SetUserMatrix((rMpr * prMt * tMu).getVtkMatrix());
                mProbeSectorActor->SetVisibility(mTool->getVisible());
        }
        else
                mProbeSectorActor->SetVisibility(false);

        this->updateOffsetGraphics();
}

void ToolRep3D::probeSectorChanged()
{
        if (!mTool)
                return;

        Transform3D prMt = mTool->get_prMt();
        Transform3D rMpr = mSpaceProvider->get_rMpr();

        if (this->showProbe())
        {
                mProbeSector->setData(mTool->getProbe()->getProbeDefinition());
                Transform3D tMu = mProbeSector->get_tMu();

                mProbeSectorPolyDataMapper->SetInputData(mProbeSector->getSectorLinesOnly());
                if (mProbeSectorPolyDataMapper->GetInput())
                {
                        mProbeSectorActor->SetMapper(mProbeSectorPolyDataMapper);
                }
                mProbeSectorActor->SetUserMatrix((rMpr * prMt * tMu).getVtkMatrix());
                mProbeSectorActor->SetVisibility(mTool->getVisible());
        }
        else
                mProbeSectorActor->SetVisibility(false);
}

void ToolRep3D::updateOffsetGraphics()
{
        bool visible = mTool && mTool->getVisible();

        if (!mStayVisibleAfterHide || (mOffsetPoint->getActor()->GetVisibility() == false))
        {
                mOffsetPoint->getActor()->SetVisibility(visible);
                mTooltipPoint->getActor()->SetVisibility(visible);
                //Don't show tooltipPoint when in tool view, as this will obscure the offsetPoint
                if (mStayHiddenAfterVisible)
                        mTooltipPoint->getActor()->SetVisibility(false);
                mOffsetLine->getActor()->SetVisibility(visible);
        }

        if (similar(0.0, mTool->getTooltipOffset()))
        {
        if(mTool->hasType(Tool::TOOL_US_PROBE))
            mTooltipPoint->getActor()->SetVisibility(false);
        else
            mTooltipPoint->getActor()->SetVisibility(visible && mOffsetPointVisibleAtZeroOffset);
                mOffsetPoint->getActor()->SetVisibility(false);
                mOffsetLine->getActor()->SetVisibility(false);
        }

        if (!mTool)
                return;
        Transform3D rMpr = mSpaceProvider->get_rMpr();
        Transform3D rMt = rMpr * mTool->get_prMt();

        Vector3D p0 = rMt.coord(Vector3D(0, 0, 0));
        Vector3D p1 = rMt.coord(Vector3D(0, 0, mTool->getTooltipOffset()));
        mOffsetPoint->setValue(p1);
        mOffsetLine->setValue(p0, p1);
        mTooltipPoint->setValue(Vector3D(p0));

        this->scaleSpheres();
}

void ToolRep3D::receiveVisible(bool visible)
{
        if (!visible && mStayVisibleAfterHide)
                return; // don't hide
        mToolActor->SetVisibility(visible);

        if (mStayHiddenAfterVisible)
                mToolActor->SetVisibility(false);
        else
                mToolActor->SetVisibility(mTool->getVisible());

        this->update();
}

void ToolRep3D::setStayHiddenAfterVisible(bool val)
{
        mStayHiddenAfterVisible = val;
        if (mTool)
                receiveVisible(mTool->getVisible());
}

void ToolRep3D::setStayVisibleAfterHide(bool val)
{
        mStayVisibleAfterHide = val;
}

void ToolRep3D::setOffsetPointVisibleAtZeroOffset(bool val)
{
        mOffsetPointVisibleAtZeroOffset = val;
}

void ToolRep3D::tooltipOffsetSlot(double val)
{
        updateOffsetGraphics();
}

bool ToolRep3D::showProbe()
{
        return mTool && (mTool->hasType(Tool::TOOL_US_PROBE)) && (mTool->getProbe()->getProbeDefinition().getType()!=ProbeDefinition::tNONE);
}

} // namespace cx