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/***************************************************************
* Name: ArrowBase.h
* Purpose: Defines line arrow base class
* Author: Michal Bližňák (michal.bliznak@tiscali.cz)
* Created: 2007-07-22
* Copyright: Michal Bližňák
* License: wxWidgets license (www.wxwidgets.org)
* Notes:
**************************************************************/
#ifndef _WXSFARROWBASE_H
#define _WXSFARROWBASE_H
#include <wx/wxsf/ShapeBase.h>
// default values
#define sfdvARROW_FILL wxBrush(*wxWHITE)
#define sfdvARROW_BORDER wxPen(*wxBLACK)
class WXDLLIMPEXP_SF wxSFLineShape;
/*! \brief Base class for a line arrows */
class WXDLLIMPEXP_SF wxSFArrowBase : public xsSerializable
{
public:
friend class wxSFLineShape;
XS_DECLARE_CLONABLE_CLASS(wxSFArrowBase);
/*! \brief Default constructor */
wxSFArrowBase(void);
/*!
* \brief Constructor.
* \param parent Pointer to a parent shape
*/
wxSFArrowBase(wxSFShapeBase* parent);
/*!
* \brief Copy constructor.
* \param obj Source base arrow shape
*/
wxSFArrowBase(const wxSFArrowBase& obj);
/*! \brief Destructor. */
~wxSFArrowBase(void);
// public member data accessors
/*!
* \brief Set a parent of the arrow shape.
* \param parent Pointer to the parent shape
*/
void SetParentShape(wxSFShapeBase* parent){m_pParentShape = parent;}
/*!
* \brief Get pointer to a parent shape.
* \return Pointer to a parent shape if exists, otherwise NULL
*/
wxSFShapeBase* GetParentShape(){return m_pParentShape;}
// public functions
// public virtual functions
/*!
* \brief Draw arrow shape at the end of a virtual line.
* \param from Start of the virtual line
* \param to End of the virtual line
* \param dc Device context for drawing
*/
virtual void Draw(const wxRealPoint& from, const wxRealPoint& to, wxDC& dc);
protected:
// protected member data
/*! \brief Pointer to a parent shape. */
wxSFShapeBase* m_pParentShape;
// protected functions
/*!
* \brief Rotate and move arrow's vertices in accordance of virtual line at which end the arrow will be placed.
* \param trg Pointer to array where translated vertices will be stored
* \param src Pointer to array of source vertices
* \param n Number of vertices
* \param from Start of the virtual line
* \param to End of the virtual line
*/
void TranslateArrow(wxPoint *trg, const wxRealPoint *src, int n, const wxRealPoint &from, const wxRealPoint& to);
};
#endif //_WXSFARROWBASE_H
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