#include "stdafx.h"
#include "SigmaView.h"
#include "SectionDoc.h"
#include "ItemExpression.h"
#include "ActionExchangeXYItem.h"
#include "ActionRotationItem.h"

extern "C" __declspec(dllexport)
int GeoSigma_ExchangeXY(CSigmaView *  pView)
{
	if (pView == 0)
		return -1;

	if (pView->m_pDoc == 0)
		return -1;

	pView->m_pDoc->GetDraw()->ExchangeXY();
	pView->m_pDoc->SetActionItem(new CActionExchangeXYItem(pView->m_pDoc, IDS_STRING_EXCHANGE_XY));
	pView->m_pDoc->Modified();
	return 1;
}

extern "C" __declspec(dllexport)
int Coordinate_ChangeByExpression(CSigmaView * pView, int operationObjectKind, LPCTSTR xExpression, LPCTSTR yExpression, LPCTSTR zExpression, LPCTSTR  lExpression)
{
	if (pView == 0)
		return -1;
	if (pView->m_pDoc == 0)
		return -1;
	if (operationObjectKind != 0 && operationObjectKind != 1)
		return -1;

	CString xStr, yStr, zStr, lStr;
	if (xExpression)
		xStr = xExpression;
	if (yExpression)
		yStr = yExpression;
	if (zExpression)
		zStr = zExpression;
	if (lExpression)
		lStr = lExpression;

	CItemExpression itemExpression(pView->m_pDoc);
	itemExpression.Expression(operationObjectKind, xStr, yStr, zStr, lStr);
	
	return 1;
}

/**
 * 旋转
 * 
 * \param pView	图件
 * \param x		旋转的原点 x 坐标
 * \param y		旋转的原点 y 坐标
 * \param angle	旋转角度
 * \return 
 */
extern "C" __declspec(dllexport)
int Coordinate_Rotation(CSigmaView* pView, double x, double y, double angle)
{
	if (pView == 0)
	{
		return -1;
	}

	if (pView->m_pDoc == 0)
	{
		return -1;
	}

	auto pAction = std::make_unique<CActionRotationItem>(pView->m_pDoc, 0, x, y, angle);
	pView->m_pDoc->SetActionItem(pAction.release());

	return 1;
}