cxVideoSourceGraphics.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 "cxVideoSourceGraphics.h"

#include <vtkImageData.h>
#include <vtkPolyData.h>


#include "cxTool.h"
#include "cxRegistrationTransform.h"
#include "cxVideoGraphics.h"
#include "cxVideoSource.h"
#include "cxSpaceProvider.h"

namespace cx
{

VideoSourceGraphics::VideoSourceGraphics(SpaceProviderPtr spaceProvider, bool useMaskFilter)
{
        mSpaceProvider = spaceProvider;
        mClipToSector = true;
        mPipeline.reset(new VideoGraphics());
        mShowInToolSpace = true;
}

VideoSourceGraphics::~VideoSourceGraphics()
{
}

void VideoSourceGraphics::setShowInToolSpace(bool on)
{
        mShowInToolSpace = on;
}

vtkActorPtr VideoSourceGraphics::getActor()
{
        return mPipeline->getActor();
}

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

ProbeSector VideoSourceGraphics::getProbeData()
{
        return mProbeData;
}

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

        if (mTool)
        {
                disconnect(mTool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D, double)), this, SLOT(receiveTransforms(Transform3D, double)));
                disconnect(mTool.get(), SIGNAL(toolProbeSector()), this, SLOT(probeSectorChanged()));
        }

        // accept only tool with a probe sector
        if (tool && tool->getProbe())
        {
                mTool = tool;
        }

        // setup new
        if (mTool )
        {
                connect(mTool.get(), SIGNAL(toolTransformAndTimestamp(Transform3D, double)), this, SLOT(receiveTransforms(Transform3D, double)));
                connect(mTool.get(), SIGNAL(toolProbeSector()), this, SLOT(probeSectorChanged()));
        }

        this->probeSectorChanged();
}

void VideoSourceGraphics::setClipToSector(bool on)
{
        mClipToSector = on;
        this->probeSectorChanged();
}

void VideoSourceGraphics::probeSectorChanged()
{
        if (!mTool || !mTool->getProbe())
                return;

        mProbeData.setData(mTool->getProbe()->getProbeData());
        if (mClipToSector)
        {
                mPipeline->setClip(mProbeData.getSector());
        }
        else
        {
                mPipeline->setClip(NULL);
        }
        this->receiveTransforms(mTool->get_prMt(), 0);

        mPipeline->update();
}


void VideoSourceGraphics::setRealtimeStream(VideoSourcePtr data)
{
        //Don't do anything if data is unchanged
        if (mData == data)
                return;
        if (mData)
        {
                disconnect(mData.get(), &VideoSource::newFrame, this, &VideoSourceGraphics::newDataSlot);
                mPipeline->setInputVideo(NULL);
        }

        mData = data;

        if (mData)
        {
                connect(mData.get(), &VideoSource::newFrame, this, &VideoSourceGraphics::newDataSlot);
                mPipeline->setInputVideo(mData->getVtkImageData());
        }

        this->newDataSlot();
}

void VideoSourceGraphics::receiveTransforms(Transform3D prMt, double timestamp)
{
        if (!mShowInToolSpace)
                return;
        Transform3D rMpr = mSpaceProvider->get_rMpr();
        Transform3D tMu = mProbeData.get_tMu();
        Transform3D rMu = rMpr * prMt * tMu;
        mPipeline->setActorUserMatrix(rMu.getVtkMatrix());
}

void VideoSourceGraphics::newDataSlot()
{
        if (!mData || !mData->validData())
        {
                mPipeline->setVisibility(false);
                emit newData();
                return;
        }

        mPipeline->update();

        bool visible = mData->validData();
        if (mShowInToolSpace)
                visible = visible && mTool && mTool->getVisible();
        mPipeline->setVisibility(visible);

        emit newData();
}

} // namespace cx