// CallCircle.h: interface for the CCallCircle class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_CALLCIRCLE_H__D2565814_2151_11D6_B9B8_0040F674BE6A__INCLUDED_)
#define AFX_CALLCIRCLE_H__D2565814_2151_11D6_B9B8_0040F674BE6A__INCLUDED_

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

#include <memory.h>
#include <string.h>
#include "SDef.h"
#include "STColSelPic.h"

int xydwCompare(const void *a, const void *b);

class CCallCircle
{
	double m_r;
	int m_nb;
	std::unique_ptr<SXYDW[]> m_c;

	void draw(UCHAR *drawB, const int lX, const int lY,
			  const int xx, const int yy, const double r);
	void null();

public:
	CCallCircle() : m_r(0.0), m_nb(0) {}
	CCallCircle(const double r);
	virtual ~CCallCircle();
	void print();

	template <class P>
	void getCC(CSTColSelPic<P> &pic, P &col)
	{
		int xy = pic.m_lX * pic.m_lY;
		UCHAR *pSel = pic.m_sel.get();
		for (int i = 0; i < xy; i++, pSel++)
			if (*pSel > (UCHAR)0) {
				P *pPic = pic.m_pic + i;
				col.r = pPic->r;
				col.g = pPic->g;
				col.b = pPic->b;
				col.m = pPic->m;
				return;
			}
	}

	template <class P>
	void getCC(CSTColSelPic<P> &pic, const int xx, const int yy, P &col)
	{
		for (int i = 0; i < m_nb; i++) {
			int x = xx + m_c[i].x;
			int y = yy + m_c[i].y;
			if (x >= 0 && y >= 0 && x < pic.m_lX && y < pic.m_lY) {
				UCHAR *pSel = pic.m_sel.get() + y * pic.m_lX + x;
				if (*pSel > (UCHAR)0) {
					P *pPic = pic.m_pic + y * pic.m_lX + x;
					col.r = pPic->r;
					col.g = pPic->g;
					col.b = pPic->b;
					col.m = pPic->m;
					return;
				}
			}
		}
	}

	template <class P>
	void setNewContour(CSTColSelPic<P> &picOri, CSTColSelPic<P> &pic,
					   UCHAR *drawB, const bool isOneCC)
	{
		UCHAR *pDB = drawB;
		P *p = pic.m_pic;
		P *pOri = picOri.m_pic;
		int xy = pic.m_lX * pic.m_lY;
		P col = {0, 255, 0, 255};
		int rgbmMax = pic.getType() == ST_RGBM64 ? US_MAX : UC_MAX;
		double rgbmMaxD = (double)rgbmMax;

		if (isOneCC)
			getCC(picOri, col);
		for (int i = 0; i < xy; i++, pDB++, p++, pOri++) {
			if (*pDB == 255) {
				if (!isOneCC)
					getCC(picOri, i % pic.m_lX, i / pic.m_lX, col);
				p->r = col.r;
				p->g = col.g;
				p->b = col.b;
				p->m = col.m;
			} else if (*pDB > 0) {
				if (!isOneCC)
					getCC(picOri, i % pic.m_lX, i / pic.m_lX, col);
				double q = ((double)(*pDB) / 255.0) * (double)col.m / (double)rgbmMax;
				double qq = 1.0 - q;
				double r = q * (double)col.r + qq * (double)(pOri->r);
				double g = q * (double)col.g + qq * (double)(pOri->g);
				double b = q * (double)col.b + qq * (double)(pOri->b);
				double m = q * (double)col.m + qq * (double)(pOri->m);
				r = D_CUT(r, 0.0, rgbmMaxD);
				g = D_CUT(g, 0.0, rgbmMaxD);
				b = D_CUT(b, 0.0, rgbmMaxD);
				m = D_CUT(m, 0.0, rgbmMaxD);
				if (rgbmMax == 255) {
					p->r = UC_ROUND(r);
					p->g = UC_ROUND(g);
					p->b = UC_ROUND(b);
					p->m = UC_ROUND(m);
				} else {
					p->r = (UCHAR)US_ROUND(r);
					p->g = (UCHAR)US_ROUND(g);
					p->b = (UCHAR)US_ROUND(b);
					p->m = (UCHAR)US_ROUND(m);
				}
			}
		}
	}

	template <class P>
	void draw(CSTColSelPic<P> &pic, const bool isOneCC, const double random)
	// throw(SMemAllocError)
	{
		if (m_nb <= 0 || m_c == 0)
			return;

		try {
			CSTColSelPic<P> picOri;
			picOri = pic;
			if (pic.m_lX > 0 && pic.m_lY > 0) {
				std::unique_ptr<UCHAR[]> drawB(new UCHAR[pic.m_lX * pic.m_lY]);
				if (!drawB)
					throw SMemAllocError("in callCircle");
				memset(drawB.get(), 0, pic.m_lX * pic.m_lY);
				UCHAR *pSel = pic.m_sel.get();
				for (int y = 0; y < pic.m_lY; y++)
					for (int x = 0; x < pic.m_lX; x++, pSel++)
						if (*pSel > (UCHAR)0) {
							double q = m_r * (double)((*pSel) - 1) / 254.0;
							int rani = I_ROUND(random);
							int ranii = rani > 0 ? rand() % (2 * rani) - 15 * rani / 8 : 0;
							q = q * (1.0 + (double)ranii / 100.0);
							draw(drawB.get(), pic.m_lX, pic.m_lY, x, y, q);
						}
				setNewContour(picOri, pic, drawB.get(), isOneCC);
			}
		} catch (SMemAllocError) {
			throw;
		}
	}
};

#endif // !defined(AFX_CALLCIRCLE_H__D2565814_2151_11D6_B9B8_0040F674BE6A__INCLUDED_)