CAffineTransformation2dShape.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
 
// ACF includes
#include <i2d/CAffineTransformation2d.h>
#include <iview/CInteractiveShapeBase.h>
 
 
namespace iview
{
 
 
class CAffineTransformation2dShape: public CInteractiveShapeBase
{
public:
       enum ControlPoint
       {
              NO_POINT = 0,
              POINT1 = 1,
              POINT2 = 2,
              POINT3 = 4,
              POINT4 = 8,
              POINT5 = 16,
              ALL_POINTS = POINT1 | POINT2 | POINT3 | POINT4 | POINT5
       };
 
       CAffineTransformation2dShape();
 
       void SetActiveControlPoints(ControlPoint points = ALL_POINTS);
 
       // reimplemented (iview::IVisualizable)
       virtual void Draw(QPainter& drawContext) const override;
 
       // reimplemented (imod::IObserver)
       virtual bool OnModelAttached(imod::IModel* modelPtr, istd::IChangeable::ChangeSet& changeMask) override;
 
       // reimplemented (iview::ITouchable)
       virtual TouchState IsTouched(istd::CIndex2d position) const override;
 
protected:
       enum{
              CONTROL_POINTS_COUNT = 11,
              ACTIVE_POINTS_COUNT = 5
       };
       typedef i2d::CVector2d ControlPoints[CONTROL_POINTS_COUNT];
 
       static const ControlPoints& GetControlPoints();
       void GetScreenPoints(const ControlPoints& points, ControlPoints& result) const;
       static void GetTransformedPoints(const ControlPoints& points, ControlPoints& result, const i2d::CAffineTransformation2d& transformation);
 
       // reimplemented (iview::CShapeBase)
       virtual i2d::CRect CalcBoundingBox() const override;
 
       // reimplemented (iview::CInteractiveShapeBase)
       virtual void BeginLogDrag(const i2d::CVector2d& reference) override;
       virtual void SetLogDragPosition(const i2d::CVector2d& position) override;
 
private:
       i2d::CVector2d m_referencePosition;
       int m_activeControlPoints;
 
       ControlPoint m_currentPoint; 
};
 
 
} // namespace iview