/**
 * @file XTPArrowDrawer.h
 *
 * @copyright
 * (c) 1998-2025 Codejock Software, All Rights Reserved.
 *
 * This source file is the property of Codejock Software and must not be
 * redistributed by any means without the explicit written permission of
 * Codejock Software.
 *
 * The use of this source code is governed by the terms and conditions specified
 * in the Toolkit Pro license agreement. Codejock Software grants you, as a
 * single software developer, the limited right to use this software on one
 * computer only.
 *
 * Contact Information:
 * support@codejock.com
 * http://www.codejock.com
 *
 */

/** @cond */
#if !defined(__XTPARROWDRAWER_H__)
#	define __XTPARROWDRAWER_H__
/** @endcond */

#	if _MSC_VER > 1000
#		pragma once
#	endif // _MSC_VER > 1000

#	include "Common/Base/Diagnostic/XTPDisableNoisyWarnings.h"

//////////////////////////////////////////////////////////////////////////
// description

class CXTPFlowGraphDrawContext;

class _XTP_EXT_CLASS CXTPArrowDrawer
{
protected:
	Gdiplus::PointF* GetBezierCurveNodes(float p1X, float p1Y, float p2X, float p2Y, float p1cX,
										 float p1cY, float p2cX, float p2cY, int numberOfNodes);

	float GetDistance(float x1, float y1, float x2, float y2);

public:
	CXTPArrowDrawer(float width = 10.f, float theta = 0.8f, int nNumberOfBezierNodes = 100);

	/**
	 * @brief
	 * draw a straight arrow when a line has starting point p1 and end point p2
	 */
	void Draw(CXTPFlowGraphDrawContext* pDC, Gdiplus::PointF p1, Gdiplus::PointF p2);

	/**
	 * @brief
	 * draw an arrow when a line is a bezier curve (with 2 control points)
	 */
	void Draw(CXTPFlowGraphDrawContext* pDC, float p1X, float p1Y, float p2X, float p2Y, float p1cX,
			  float p1cY, float p2cX, float p2cY);

	/**
	 * @brief
	 * draw an arrow when a line is a bezier curve (with 2 control points)
	 */
	void Draw(CXTPFlowGraphDrawContext* pDC, Gdiplus::PointF p1, Gdiplus::PointF p2,
			  Gdiplus::PointF cp1, Gdiplus::PointF cp2);

protected:
	float m_Width; /**< Width (in pixels) of the full base of the arrowhead. */
	float m_Theta; /**< Angle (in radians) at the arrow tip between the two sides of the arrowhead.
					*/

	int m_nNumberOfBezierNodes; /**< Number of nodes used to calculate the Bezier curve. */
};
/** @cond */
#	include "Common/Base/Diagnostic/XTPEnableNoisyWarnings.h"
#endif // __XTPARROWDRAWER_H__
	   /** @endcond */