cxVirtualCameraRotationWidget.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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   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 <cmath>
#include "cxVirtualCameraRotationWidget.h"
#include "cxStringPropertySelectTool.h"
#include "cxHelperWidgets.h"
#include "cxTrackingService.h"
#include "cxToolProperty.h"
#include "cxLogger.h"

namespace cx
{

VirtualCameraRotationWidget::VirtualCameraRotationWidget(VisServicesPtr services, StringPropertySelectToolPtr toolSelector, QWidget* parent) :
        BaseWidget(parent,"virtual_camera_rotation_widget", "Virtual Camera Rotation"),
        mVerticalLayout(new QVBoxLayout(this)),
        mToolSelector(toolSelector)
{
        QLabel *title = new QLabel(tr("Virtual Camera Rotation"));
        title->setStyleSheet("font-weight: bold");
        mVerticalLayout->addWidget(title,0,Qt::AlignLeft);
        
        //mVerticalLayout->addWidget(sscCreateDataWidget(this, mToolSelector));
        mVerticalLayout->addWidget(new QLabel("<font color=red>Caution: sMt is changed directly by this control.</font>"));
        
        QLabel *labelRot = new QLabel(tr("Rotate (360 deg)"));
        mRotateDial = new QDial;
        mRotateDial->setMinimum(-180);
        mRotateDial->setMaximum(180);
        mRotateDial->setNotchesVisible(true);
        
        mVerticalLayout->addWidget(labelRot,0,Qt::AlignLeft);
        mVerticalLayout->addWidget(mRotateDial,0,Qt::AlignRight);
        
        this->setLayout(mVerticalLayout);
        
        connect(mRotateDial, &QDial::valueChanged, this, &VirtualCameraRotationWidget::toolRotationChanged);
        connect(mToolSelector.get(), SIGNAL(changed()), this, SLOT(toolCalibrationChanged()));
        connect(services->tracking().get(), &TrackingService::stateChanged, this, &VirtualCameraRotationWidget::toolCalibrationChanged);
}

VirtualCameraRotationWidget::~VirtualCameraRotationWidget()
{
}

QString VirtualCameraRotationWidget::getWidgetName()
{
        return "virtual_camera_rotation_widget"; 
}

void VirtualCameraRotationWidget::toolCalibrationChanged()
{
        ToolPtr tool = this->getTool();
        if (!tool)
                return;

        mRotateDial->blockSignals(true);

        mDecomposition.reset(tool->getCalibration_sMt());
        Vector3D angles = mDecomposition.getAngles();
        int zAngle = (int) std::round(angles(2)*180/M_PI);
        mRotateDial->setValue(zAngle);
        
        mRotateDial->blockSignals(false);
}

void VirtualCameraRotationWidget::toolRotationChanged()
{
        ToolPtr tool = this->getTool();
        if (!tool)
                return;

        Transform3D M = tool->getCalibration_sMt();
        double zAngleUpdated = mRotateDial->value()*M_PI/180;
        Vector3D angles = mDecomposition.getAngles();
        angles(2) = zAngleUpdated;
        mDecomposition.setAngles(angles);
        M = mDecomposition.getMatrix(); 
        tool->setCalibration_sMt(M);
}

ToolPtr VirtualCameraRotationWidget::getTool()
{
        ToolPtr tool = mToolSelector->getTool();
        if (tool)
        {       
                ToolPtr baseTool = tool->getBaseTool();
                if (baseTool)
                        tool = baseTool;
        }
        return tool;
}

QString VirtualCameraRotationWidget::defaultWhatsThis() const
{
        return  "<html>"
                                        "<h3>VirtualCameraRotationWidget.</h3>"
                                        "<p>Rotates virtual camera (calibration).</p>"
                                        "</html>";
}


} /* namespace cx */