File indexing completed on 2024-05-05 04:02:09

 /*
     SPDX-FileCopyrightText: 2009 Mathias Kraus <k.hias@gmx.de>
     SPDX-FileCopyrightText: 2007-2008 Thomas Gallinari <tg8187@yahoo.fr>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "elementitem.h"
 #include "element.h"
 
 #include <QGraphicsView>
 
 #include <KGameRenderer>
 
 ElementItem::ElementItem(Element* p_model, KGameRenderer* renderer) : KGameRenderedItem(renderer, QStringLiteral(""))
 {
     m_model = p_model;
     // Init the view coordinates
     update(p_model->getX(), p_model->getY());
     // Connects the model to the view
     connect(p_model, &Element::moved, this, &ElementItem::update);
 
     m_renderSize = QSize(1, 1);
     m_itemSizeSet = QSize(static_cast<int>(Granatier::CellSize), static_cast<int>(Granatier::CellSize));
     m_itemSizeReal = m_itemSizeSet;
 }
 
 ElementItem::~ElementItem()
 = default;
 
 Element* ElementItem::getModel() const
 {
     return m_model;
 }
 
 QPainterPath ElementItem::shape() const
 {
     QPainterPath path;
     path.addEllipse(boundingRect());
     return path;
 }
 
 void ElementItem::update(qreal p_x, qreal p_y)
 {
     // Compute the top-right coordinates of the item
     qreal x = p_x - m_itemSizeSet.width() / 2;
     qreal y = p_y - m_itemSizeSet.height() / 2;
 
     // Updates the view coordinates
     setPos(x, y);
 }
 
 void ElementItem::updateGraphics(qreal svgScaleFactor)
 {
     updateGraphicsInternal(svgScaleFactor);
 }
 
 void ElementItem::updateGraphicsInternal(qreal svgScaleFactor)
 {
     if(scene()->views().isEmpty())
     {
         return;
     }
 
     //calculate the size of the item on the view
     QPoint viewTopLeft = scene()->views().first()->mapFromScene(0, 0);
     QPoint viewBottomRight = scene()->views().first()->mapFromScene(m_itemSizeSet.width(), m_itemSizeSet.height());
 
     int viewWidth = viewBottomRight.x() - viewTopLeft.x();
     int viewHeight = viewBottomRight.y() - viewTopLeft.y();
 
     //for better alignment, if the item size is different from the cell size, make the difference between the cell size and item size always even
     if(m_itemSizeSet.width() != Granatier::CellSize || m_itemSizeSet.height() != Granatier::CellSize)
     {
         viewBottomRight = scene()->views().first()->mapFromScene(Granatier::CellSize, Granatier::CellSize);
         int viewCellWidth = viewBottomRight.x() - viewTopLeft.x();
         int viewCellHeight = viewBottomRight.y() - viewTopLeft.y();
         if((viewCellWidth - viewWidth) % 2 != 0)
         {
             viewWidth--;
         }
         if((viewCellHeight - viewHeight) % 2 != 0)
         {
             viewHeight--;
         }
 
         //calculate the real item size after change of the render size
         QPointF sceneTopLeft = scene()->views().first()->mapToScene(0, 0);
         QPointF sceneBottomRight = scene()->views().first()->mapToScene(viewWidth, viewHeight);
 
         int sceneWidth = static_cast<int>(sceneBottomRight.x() - sceneTopLeft.x());
         int sceneHeight = static_cast<int>(sceneBottomRight.y() - sceneTopLeft.y());
         m_itemSizeReal = QSize(sceneWidth, sceneHeight);
     }
 
     setRenderSize(QSize(viewWidth, viewHeight));
     setScale(svgScaleFactor);
     m_renderSize = renderSize();
 }
 
 #include "moc_elementitem.cpp"