File indexing completed on 2024-04-28 05:38:11

 /***************************************************************************
  *      Copyright (C) 2010 by Renaud Guezennec                             *
  *                                                                         *
  *                                                                         *
  *   rolisteam is free software; you can redistribute it and/or modify     *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 #include "ellipsitem.h"
 
 #include <QPainter>
 #include <QStyleOptionGraphicsItem>
 
 #include <cmath>
 #include <math.h>
 
 #include "controller/item_controllers/ellipsecontroller.h"
 
 EllipsItem::EllipsItem(vmap::EllipseController* ctrl) : VisualItem(ctrl), m_ellipseCtrl(ctrl)
 {
     connect(m_ellipseCtrl, &vmap::EllipseController::rxChanged, this,
             [this]()
             {
                 setTransformOriginPoint(boundingRect().center());
                 updateChildPosition();
             });
     connect(m_ellipseCtrl, &vmap::EllipseController::ryChanged, this,
             [this]()
             {
                 setTransformOriginPoint(boundingRect().center());
                 updateChildPosition();
             });
     connect(m_ellipseCtrl, &vmap::EllipseController::filledChanged, this, [this]() { update(); });
 
     initChildPointItem();
 }
 
 QRectF EllipsItem::boundingRect() const
 {
     return m_ellipseCtrl ? m_ellipseCtrl->rect() : QRectF{};
 }
 
 QPainterPath EllipsItem::shape() const
 {
     QPainterPath path;
     path.addEllipse(boundingRect());
 
     if(!m_ellipseCtrl || m_ellipseCtrl->filled())
         return path;
 
     QPainterPath subpath;
 
     QRectF rect= boundingRect();
     auto penW= m_ellipseCtrl->penWidth();
     rect.adjust(penW, penW, -penW, -penW);
     subpath.addEllipse(rect);
     path-= subpath;
 
     return path;
 }
 void EllipsItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
 {
     Q_UNUSED(option)
     Q_UNUSED(widget)
     painter->save();
     if(!m_ellipseCtrl->filled())
     {
         QPen pen= painter->pen();
         pen.setColor(m_ellipseCtrl->color());
         pen.setWidth(m_ellipseCtrl->penWidth());
         painter->setPen(pen);
     }
     else
     {
         painter->setPen(Qt::NoPen);
         painter->setBrush(QBrush(m_ellipseCtrl->color(), Qt::SolidPattern));
     }
 
     setChildrenVisible(hasFocusOrChild());
 
     painter->drawEllipse(QPointF(0, 0), m_ellipseCtrl->rx(), m_ellipseCtrl->ry());
 
     painter->restore();
 
     if(canBeMoved() && (option->state & QStyle::State_MouseOver || isSelected()))
     {
         painter->save();
         QPen pen= painter->pen();
         pen.setColor(isSelected() ? m_selectedColor : m_highlightColor);
         pen.setWidth(m_highlightWidth);
         painter->setPen(pen);
         painter->drawEllipse(QPointF(0, 0), m_ellipseCtrl->rx(), m_ellipseCtrl->ry());
         painter->restore();
     }
 }
 void EllipsItem::setNewEnd(const QPointF& p)
 {
     m_ellipseCtrl->setCorner(p, 2);
 }
 
 void EllipsItem::updateChildPosition()
 {
     auto rect= boundingRect();
     m_children.value(0)->setPos(QPointF(rect.right(), rect.center().y()));
     m_children.value(0)->setPlacement(ChildPointItem::MiddleRight);
     m_children.value(1)->setPos(QPointF(rect.center().x(), rect.bottom()));
     m_children.value(1)->setPlacement(ChildPointItem::ButtomCenter);
     update();
 }
 
 void EllipsItem::initChildPointItem()
 {
     if(!m_ellipseCtrl)
         return;
     setTransformOriginPoint(boundingRect().center());
 
     for(int i= 0; i < 2; ++i)
     {
         ChildPointItem* tmp= new ChildPointItem(m_ctrl, i, this);
         m_children.append(tmp);
     }
     m_children.value(0)->setPos(m_ellipseCtrl->rx(), 0);
     m_children.value(0)->setPlacement(ChildPointItem::MiddleRight);
     m_children.value(0)->setMotion(ChildPointItem::X_AXIS | ChildPointItem::ROTATION);
     m_children.value(1)->setPos(0, m_ellipseCtrl->ry());
     m_children.value(1)->setMotion(ChildPointItem::Y_AXIS | ChildPointItem::ROTATION);
     m_children.value(1)->setPlacement(ChildPointItem::ButtomCenter);
 }