#include "stdafx.h"
#include "ActionReverseZItem.h"
#include "SigmaView.h"
#include "Util.h"
#include "Visitor.h"

CActionReverseZItem::CActionReverseZItem()
	: CActionItem(nullptr, 0)
{
}

CActionReverseZItem::CActionReverseZItem(CSigmaDoc* ppDoc, UINT actionType, const CPositionList &elements)
	: CActionItem(ppDoc, actionType)
{
	CListAddRange(m_elements, elements);
}

void CActionReverseZItem::Undo()
{
	Reverse();
}

void CActionReverseZItem::Redo()
{
	Reverse();
}

void CActionReverseZItem::Do()
{
	Reverse();
}

void CActionReverseZItem::accept(CActionVisitor& visitor)
{
	visitor.visit(*this);
}

void CActionReverseZItem::Reverse()
{
	CPtrList* value = GetDoc()->GetDraw()->GetValueList();

	for (POSITION pos = m_elements.GetHeadPosition(); pos != nullptr; m_elements.GetNext(pos))
	{
		POSITION pt = m_elements.GetAt(pos);
		COne* pOne = (COne*)value->GetAt(pt);
		if (pOne->GetType() == DOUBLEFOX_CURVE)
		{
			ReverseCurve((CCurveEx *)(pOne->GetValue()));
		}
		else if (pOne->GetType() == DOUBLEFOX_MESH)
		{
			ReverseMesh((CMesh*)pOne->GetValue());
		}
	}
}

void CActionReverseZItem::ReverseMesh(CMesh* pMesh)
{

	ReverseDfg(pMesh);

	ReverseColorBase(pMesh);

	ReverseColorRuler(pMesh);

	UpdateMesh(pMesh);
}

void CActionReverseZItem::UpdateMesh(CMesh* pMesh)
{
	pMesh->CreateColor();
	pMesh->UpdateColorRuler();
	pMesh->GetBitmap();
}

void CActionReverseZItem::ReverseColorRuler(CMesh* pMesh)
{
	CColorRuler* pRuler = pMesh->m_pRuler;
	pRuler->zmin = -pRuler->zmax;
	pRuler->zmax = -pRuler->zmin;
}

void CActionReverseZItem::ReverseColorBase(CMesh* pMesh)
{
	double zmin = 0, zmax = 0;

	CColorBase& color = pMesh->color;
	color.GetZRange(zmin, zmax);
	color.SetZRange(-zmax, -zmin);

	for (int i = 0; i < color.sizeColor(); i++)
	{
		CColorItem& item = color.GetColorItem(i);
		item.z = -item.z;
	}

	color.Reversal();
}

void CActionReverseZItem::ReverseDfg(CMesh* pMesh)
{
	double zmin = 0, zmax = 0;
	pMesh->GetM(zmin, zmax);
	pMesh->SetM(-zmax, -zmin);

	NContour::CDimension3D* pDfg = pMesh->GetDfg();

	int nIndexZ = (pMesh->GetMeshType() == MESH_FXY && pDfg->n >= 3) ? pMesh->m_nFxyIndexZ : 0;

	long numx = 0, numy = 0;
	pMesh->GetNumber(numx, numy);

	#pragma omp parallel for
	for (long i = 0; i < numx; i++)
	{
		for (long j = 0; j < numy; j++)
		{
			double z = pDfg->Value(i, j, nIndexZ);
			pDfg->SetValue(i, j, -z);
		}
	}
}

void CActionReverseZItem::ReverseCurve(CCurveEx *pCurve)
{
	for (int i = 0; i < pCurve->num; i++)
	{
		pCurve->z[i] = -pCurve->z[i];
	}
}