cxCroppingWidget.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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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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#include "cxCroppingWidget.h"
#include <QVBoxLayout>
#include <QPushButton>
#include <QCheckBox>
#include <QGroupBox>
#include <QLabel>
#include <vtkImageData.h>
#include "cxStringPropertyBase.h"
#include "cxLabeledComboBoxWidget.h"
#include "cxDefinitionStrings.h"
#include "cxUtilHelpers.h"

#include "cxRegistrationTransform.h"
#include "cxImageAlgorithms.h"
#include "cxInteractiveCropper.h"
#include "cxImage.h"
#include "cxPatientModelService.h"
#include "cxViewService.h"
#include "cxInteractiveCropper.h"

#include "cxViewGroupData.h"
#include "cxReporter.h"
#include "cxActiveData.h"

namespace cx
{

CroppingWidget::CroppingWidget(PatientModelServicePtr patientModelService, ViewServicePtr viewService, QWidget* parent) :
                BaseWidget(parent, "CroppingWidget", "Crop"),
                mPatientModelService(patientModelService),
                mViewService(viewService)
{
        connect(viewService.get(), &ViewService::activeLayoutChanged, this, &CroppingWidget::setupUI);
        this->setupUI();
}

void CroppingWidget::setupUI()
{
        if (mInteractiveCropper)
                return;

  mInteractiveCropper = viewService()->getCropper();

  if (!mInteractiveCropper)
          return;

  connect(mInteractiveCropper.get(), SIGNAL(changed()), this, SLOT(cropperChangedSlot()));

  QVBoxLayout* layout = new QVBoxLayout(this);

  this->setToolTip("Interactive volume cropping");

  QGroupBox* activeGroupBox = new QGroupBox("Interactive cropper");
  activeGroupBox->setToolTip(this->toolTip());
  layout->addWidget(activeGroupBox);
  QVBoxLayout* activeLayout = new QVBoxLayout(activeGroupBox);

  mUseCropperCheckBox = new QCheckBox("Use Cropper");
  mUseCropperCheckBox->setToolTip("Turn on cropping for the active volume.");
  connect(mUseCropperCheckBox, SIGNAL(toggled(bool)), mInteractiveCropper.get(), SLOT(useCropping(bool)));
  activeLayout->addWidget(mUseCropperCheckBox);

  mShowBoxCheckBox = new QCheckBox("Show box");
  mShowBoxCheckBox->setToolTip("Show crop box in 3D view. This also turns on cropping for convenience.");
  connect(mShowBoxCheckBox, SIGNAL(toggled(bool)), mInteractiveCropper.get(), SLOT(showBoxWidget(bool)));
  activeLayout->addWidget(mShowBoxCheckBox);

  mBoundingBoxDimensions = new QLabel("?, ?, ?");
  mBoundingBoxDimensions->setToolTip("The dimensions of the croppers boundingbox.");
  activeLayout->addWidget(mBoundingBoxDimensions);

  mBBWidget = new BoundingBoxWidget(this);
  layout->addWidget(mBBWidget);
  connect(mBBWidget, SIGNAL(changed()), this, SLOT(boxValuesChanged()));

  QPushButton* cropClipButton = new QPushButton("Create new cropped volume");
  cropClipButton->setToolTip("Create a new volume containing only the volume inside the crop box.");
  connect(cropClipButton, SIGNAL(clicked()), this, SLOT(cropClipButtonClickedSlot()));
  layout->addWidget(cropClipButton);

  layout->addStretch();

  this->cropperChangedSlot();
}

void CroppingWidget::boxValuesChanged()
{
  mInteractiveCropper->setBoundingBox(mBBWidget->getValue());
}

void CroppingWidget::cropperChangedSlot()
{
        std::vector<int> dims = mInteractiveCropper->getDimensions();
        if(dims.size() < 3)
                return;

        QString dimensionText = "Dimensions: "+qstring_cast(dims.at(0))+", "+qstring_cast(dims.at(1))+", "+qstring_cast(dims.at(2));
        mBoundingBoxDimensions->setText(dimensionText);
        mUseCropperCheckBox->setChecked(mInteractiveCropper->getUseCropping());
        mShowBoxCheckBox->setChecked(mInteractiveCropper->getShowBoxWidget());

        mBBWidget->setValue(mInteractiveCropper->getBoundingBox(), mInteractiveCropper->getMaxBoundingBox());
}

ImagePtr CroppingWidget::cropClipButtonClickedSlot()
{
        ActiveDataPtr activeData = mPatientModelService->getActiveData();
        ImagePtr image = activeData->getActive<Image>();

        ImagePtr retval = cropImage(patientService(), image);
        mPatientModelService->insertData(retval);

        this->hideOldAndShowNewVolume(image, retval);

        return retval;
}

void CroppingWidget::hideOldAndShowNewVolume(ImagePtr oldImage, ImagePtr newImage)
{
//      int groupNr = mViewService->getActiveGroup();//Gives -1 when we are inside the CroppingWidget
        int groupNr = 0;

        ViewGroupDataPtr viewGroup = mViewService->getGroup(0);
        if(!viewGroup)
        {
                reportWarning(QString("CroppingWidget: Hide old and show new volume failed. Can't get view group %1.").arg(groupNr));
                return;
        }
        if(!viewGroup->removeData(oldImage->getUid()))
                reportWarning(QString("CroppingWidget: Hide old and show new volume failed. Can't remove image %1 from view group %2").arg(oldImage->getUid()).arg(groupNr));

        viewGroup->addData(newImage->getUid());
}

}