cxAngleMetricRep.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 "cxAngleMetricRep.h"

#include "cxView.h"

#include <vtkVectorText.h>
#include <vtkFollower.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderer.h>
#include <vtkCamera.h>
#include <vtkRenderWindow.h>
#include "cxTypeConversions.h"
#include "vtkTextActor.h"
#include "cxGraphicalPrimitives.h"
#include "cxAngleMetric.h"
#include "cxGraphicalPrimitives.h"

namespace cx
{

AngleMetricRepPtr AngleMetricRep::New(const QString& uid)
{
        return wrap_new(new AngleMetricRep(), uid);
}

AngleMetricRep::AngleMetricRep()
{
}

void AngleMetricRep::clear()
{
    DataMetricRep::clear();
    mLine0.reset();
    mLine1.reset();
    mArc.reset();
}

AngleMetricPtr AngleMetricRep::getAngleMetric()
{
    return boost::dynamic_pointer_cast<AngleMetric>(mMetric);
}

void AngleMetricRep::onModifiedStartRender()
{
    AngleMetricPtr angleMetric = this->getAngleMetric();

    if (!angleMetric || !mMetric->isValid())
                return;
        if (!mMetric)
                return;
        if (!this->getView())
                return;

    std::vector<Vector3D> p = angleMetric->getEndpoints();

        if (angleMetric->getUseSimpleVisualization())
        {
                mLine0.reset();
                mLine1.reset();
        }
        else
        {
                if (!mLine0)
                {
                        mLine0.reset(new GraphicalLine3D(this->getRenderer()));
                }
                mLine0->setColor(mMetric->getColor());
                mLine0->setStipple(0x0F0F);
                mLine0->setValue(p[0], p[1]);

                if (!mLine1)
                {
                        mLine1.reset(new GraphicalLine3D(this->getRenderer()));
                }
                mLine1->setColor(mMetric->getColor());
                mLine1->setStipple(0x0F0F);
                mLine1->setValue(p[2], p[3]);
        }

        if (!mArc)
        {
                mArc.reset(new GraphicalArc3D(this->getRenderer()));
        }
        mArc->setColor(mMetric->getColor());
        mArc->setStipple(0xF0FF);
        Vector3D a_center = (p[1] + p[2]) / 2;
        Vector3D l0 = p[0] - p[1];
        Vector3D l1 = p[3] - p[2];
        double d = (l0.length() + l1.length()) / 2 * 0.5;
        Vector3D a_start = a_center + l0.normalized() * d;
        Vector3D a_end = a_center + l1.normalized() * d;
        mArc->setValue(a_start, a_end, a_center);

    this->drawText();
}


}