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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Overlay/ROIOverlay.cpp
//! @brief Defines class ROIOverlay.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/View/Overlay/ROIOverlay.h"
#include "GUI/Model/Mask/MaskItems.h"
#include "GUI/View/Overlay/OverlayStyle.h"
#include "GUI/View/Overlay/Viewport.h"
#include "GUI/View/Plotter/ColorMap.h"
#include <QPainter>
ROIOverlay::ROIOverlay(RegionOfInterestItem* item, ColorMap* plot)
: RectangleOverlay(item, plot)
{
}
QRectF ROIOverlay::boundingRect() const
{
return mapFromScene(GUI::Util::viewportRectangle(m_plot)).boundingRect();
}
void ROIOverlay::update_view()
{
RectangleOverlay::update_view();
m_bounding_rect = GUI::Util::viewportRectangle(m_plot);
update();
}
void ROIOverlay::paint(QPainter* painter, const QStyleOptionGraphicsItem*, QWidget*)
{
QPainterPath outerRect;
outerRect.addRect(boundingRect());
QPainterPath innerRect;
innerRect.addRect(m_mask_rect);
painter->setBrush(GUI::Overlay::getMaskBrush(true));
painter->drawPath(outerRect.subtracted(innerRect));
}
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