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
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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 "cxLogicManager.h"
#include "cxPatientModelService.h"
#include "cxViewService.h"
#include "cxInteractiveCropper.h"

namespace cx
{

CroppingWidget::CroppingWidget(QWidget* parent) : 
                BaseWidget(parent, "CroppingWidget", "Crop")
{
  mInteractiveCropper = viewService()->getCropper();
  connect(mInteractiveCropper.get(), SIGNAL(changed()), this, SLOT(cropperChangedSlot()));

  QVBoxLayout* layout = new QVBoxLayout(this);

  this->setToolTip(this->defaultWhatsThis());

  QGroupBox* activeGroupBox = new QGroupBox("Interactive cropper");
  activeGroupBox->setToolTip(this->defaultWhatsThis());
  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();
}

QString CroppingWidget::defaultWhatsThis() const
{
        return "<html>"
                "<h3>Functionality for cropping a volume.</h3>"
                "<p>"
                "Lets you crop a volume by defining a bounding box along the volume "
                "axis. Everything outside the box is not shown."
                "</p>"
                "<p>"
                "<b>How to use the bounding box:</b>"
                "<ul>"
                "<li>First click the bounding box to get the control spheres</li>"
                "<li>Click and drag a sphere to change the crop area</li>"
                "</ul>"
                "</p>"
                "<p>"
                "<b>Tip:</b> To make the crop permanent, press the button to create a new volume from the crop."
                "</p>"
                "<p><i></i></p>"
                "</html>";
}

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()
{
  ImagePtr image = patientService()->getActiveImage();

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

}