vpieceitem.h

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/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2017  Seamly, LLC                                       *
 *                                                                         *
 *   https://github.com/fashionfreedom/seamly2d                             *
 *                                                                         *
 ***************************************************************************
 **
 **  Seamly2D 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 3 of the License, or
 **  (at your option) any later version.
 **
 **  Seamly2D 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 Seamly2D.  If not, see <http://www.gnu.org/licenses/>.
 **
 **************************************************************************
 
 ************************************************************************
 **
 **  @file
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   18 1, 2017
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentine project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2017 Seamly2D project
 **  <https://github.com/fashionfreedom/seamly2d> All Rights Reserved.
 **
 **  Seamly2D 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 3 of the License, or
 **  (at your option) any later version.
 **
 **  Seamly2D 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 Seamly2D.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/
 
#ifndef VPIECEITEM_H
#define VPIECEITEM_H
 
#include <QtCore/qglobal.h>
#include <QGraphicsObject>
 
#include "../vmisc/def.h"
 
class VPieceItem : public QGraphicsObject
{
    Q_OBJECT
public:
    enum MoveType
    {
        NotMovable = 0x0,
        IsRotatable = 0x1, // 0001
        IsResizable = 0x2, // 0010
        IsMovable = 0x4,   // 0100
        AllModifications = IsRotatable | IsResizable | IsMovable,
        Error = 0x8        // 1000
    };
    Q_DECLARE_FLAGS(MoveTypes, MoveType)
 
    explicit VPieceItem(QGraphicsItem* pParent = nullptr);
    virtual ~VPieceItem();
 
    virtual QRectF boundingRect() const Q_DECL_OVERRIDE;
 
    virtual void Update() =0;
 
    void Reset();
    bool IsIdle() const;
 
    VPieceItem::MoveTypes GetMoveType() const;
    void                  SetMoveType(const VPieceItem::MoveTypes &moveType);
 
    virtual int  type() const Q_DECL_OVERRIDE {return Type;}
    enum { Type = UserType + static_cast<int>(Vis::PieceItem)};
 
signals:
    void itemMoved(const QPointF &ptPos);
 
protected:
    enum Mode
    {
        mNormal,
        mMove,
        mResize,
        mRotate
    };
    QRectF                m_rectBoundingBox;
    Mode                  m_eMode;
    bool                  m_bReleased;
    QPointF               m_ptRotCenter;
    VPieceItem::MoveTypes m_moveType;
 
    qreal m_inactiveZ;
 
    virtual double GetAngle(const QPointF &pt) const;
 
private:
    Q_DISABLE_COPY(VPieceItem)
};
 
Q_DECLARE_OPERATORS_FOR_FLAGS(VPieceItem::MoveTypes)
 
#endif // VPIECEITEM_H