#include "stdafx.h"
#include "SigmaView.h"
#include "SectionDoc.h"
#include "ItemEditCurveInName.h"
//此文件指定包含圆弧、弦、扇形接口

static CItemEditCurveInName * getItemEditCurveInName(CSigmaView * pView)
{
	CItem * pItem = pView->GetItem();
	if (pItem == NULL)
		return NULL;

	CItemEditCurveInName * pItemCurve = dynamic_cast<CItemEditCurveInName *>(pItem);

	return pItemCurve;
}

extern "C" __declspec(dllexport)
int EditCurve_BeginEdit(CSigmaView* pView, HDC hdc)
{
	CItemEditCurveInName * item = getItemEditCurveInName(pView);
	if (item == NULL)
		return -1;
	
	CDC * pDC = CDC::FromHandle(hdc);
	if (pDC == 0)
		return -1;

	item->BeginEdit(pDC);
	return 1;
}

extern "C" __declspec(dllexport)
int EditCurve_EndEdit(CSigmaView* pView, HDC hdc)
{
	CItemEditCurveInName * item = getItemEditCurveInName(pView);
	if (item == NULL)
		return -1;

	CDC * pDC = CDC::FromHandle(hdc);
	if (pDC == 0)
		return -1;

	item->EndEdit(pDC);
	return 1;
}

extern "C" __declspec(dllexport)
bool EditCurve_IsCurveNameMoved(CSigmaView* pView)
{
	CItemEditCurveInName * item = getItemEditCurveInName(pView);
	if (item == NULL)
		return FALSE;
	return item->IsMoved();
}