CRectangleShape.h

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/********************************************************************************
**  This file is part of the ICF Framework. Copyright (C) Witold Gantzke & Kirill Lepskiy
**  ICF Framework may be used under the terms of the LGPL License v. 2.1 by the Free Software Foundation.
********************************************************************************/
 
#ifndef iview_CRectangleShape_included
#define iview_CRectangleShape_included
 
 
#include <iview/CInteractiveShapeBase.h>
 
 
namespace iview
{
 
 
class CRectangleShape: public CInteractiveShapeBase
{
public:
    typedef CInteractiveShapeBase BaseClass;
 
    CRectangleShape();
 
    // reimplemented (iview::CInteractiveShapeBase)
    virtual void InvalidateBoundingBox();
 
    // reimplemented (iview::ITouchable)
    virtual TouchState IsTouched(istd::CIndex2d position) const;
 
    // reimplemented (iview::IVisualizable)
    virtual void Draw(QPainter& drawContext) const;
 
    // reimplemented (imod::IObserver)
    virtual bool OnModelAttached(imod::IModel* modelPtr, istd::IChangeable::ChangeSet& changeMask);
 
    // reimplemented (iview::IMouseActionObserver)
    virtual bool OnMouseButton(istd::CIndex2d position, Qt::MouseButton buttonType, bool downFlag);
    virtual bool OnMouseMove(istd::CIndex2d position);
 
protected:
    virtual void CalcPoints(const i2d::CRectangle& rectangle) const;
 
    // reimplemented (iview::CInteractiveShapeBase)
    virtual void BeginLogDrag(const i2d::CVector2d& reference);
    virtual void SetLogDragPosition(const i2d::CVector2d& position);
 
    // reimplemented (iview::CInteractiveShapeBase)
    virtual i2d::CRect CalcBoundingBox() const;
 
    enum EditNode
    {
        EN_NONE = -1,
        EN_CORNER_FIRST = 0,
        EN_CORNER11 = EN_CORNER_FIRST,
        EN_CORNER12 = 1,
        EN_CORNER21 = 2,
        EN_CORNER22 = 3,
        EN_LAST = EN_CORNER22
    };
 
    i2d::CVector2d m_referencePosition;
    EditNode m_editNode;
 
    mutable i2d::CVector2d m_corners[4];
    mutable i2d::CVector2d m_ctrlsLeft[4];
    mutable i2d::CVector2d m_ctrlsRight[4];
    mutable bool m_arePointsValid;
};
 
 
} // namespace iview
 
 
#endif //iview_CRectangleShape_included