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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Overlay/EllipseOverlay.cpp
//! @brief Implements class EllipseOverlay.
//!
//! @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/EllipseOverlay.h"
#include "GUI/Model/Mask/MaskItems.h"
#include "GUI/View/Plotter/ColorMap.h"
EllipseOverlay::EllipseOverlay(EllipseItem* item, ColorMap* plot)
: IRectangularOverlay(plot)
, m_item(item)
{
m_item->maskVisibilityChanged();
}
OverlayItem* EllipseOverlay::parameterizedItem() const
{
return m_item;
}
void EllipseOverlay::onChangedX()
{
setBlockOnProperty(true);
m_item->setXCenter(x2coo(this->x()));
setBlockOnProperty(false);
}
void EllipseOverlay::onChangedY()
{
setBlockOnProperty(true);
m_item->setYCenter(y2coo(this->y()));
setBlockOnProperty(false);
}
void EllipseOverlay::onPropertyChange()
{
update_view();
setX(x2pix(m_item->xCenter().dVal()));
setY(y2pix(m_item->yCenter().dVal()));
setTransform(QTransform().rotate(-1.0 * m_item->angle().dVal()));
}
QPainterPath EllipseOverlay::shape() const
{
QPainterPath path;
path.addEllipse(m_mask_rect);
return path;
}
void EllipseOverlay::resizeX(double xl, double xh)
{
m_item->setXCenter(x2coo((xl + xh) / 2));
m_item->setXRadius((x2coo(xh) - x2coo(xl)) / 2);
}
void EllipseOverlay::resizeY(double yl, double yh)
{
m_item->setYCenter(y2coo((yl + yh) / 2));
m_item->setYRadius((y2coo(yl) - y2coo(yh)) / 2);
}
//! updates position of view using item properties
void EllipseOverlay::updatePosition()
{
setX(x2pix(m_item->xCenter().dVal()));
setY(y2pix(m_item->yCenter().dVal()));
if (m_item->angle().dVal() != 0)
setTransform(QTransform().rotate(-1 * m_item->angle().dVal()));
}
QRectF EllipseOverlay::maskRectangle()
{
return QRectF(-width() / 2, -height() / 2, width(), height());
}
qreal EllipseOverlay::width() const
{
return x2pix(m_item->xCenter().dVal() + m_item->xRadius().dVal())
- x2pix(m_item->xCenter().dVal() - m_item->xRadius().dVal());
}
qreal EllipseOverlay::height() const
{
return y2pix(m_item->yCenter().dVal() - m_item->yRadius().dVal())
- y2pix(m_item->yCenter().dVal() + m_item->yRadius().dVal());
}
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