#include "stdafx.h"
#include <gdiplus.h>
#include <DrawModel/Curve.h>
#include "SigmaDoc.h"

static bool Transform(Gdiplus::REAL* matrix, NBase::CPositionList & selectionSet, CSigmaDoc * pDoc);

bool GraphItemTransform(Gdiplus::Matrix * pMat, CPositionList & selectionSet, CSigmaDoc * pDoc)
{
	if (pMat == NULL || pDoc == NULL)
		return false;

    Gdiplus::REAL elements[6]; 
    memset(elements,0,sizeof(Gdiplus::REAL)*6);
	
	if(pMat->IsIdentity())//单位矩阵
		return true;

	if(pMat->GetElements(elements)!= Gdiplus::Ok)
	{
		return false;
	}

	return Transform(elements, selectionSet, pDoc);
}

static bool Transform(Gdiplus::REAL* matrix, NBase::CPositionList & selectionSet, CSigmaDoc * pDoc)
{
	COne* pOne;
	POSITION pos,pt;
	pos = selectionSet.GetHeadPosition();
    if(pos == NULL)
        return false;

	while (pos != NULL)
	{
		pt = selectionSet.GetNext(pos);
		pOne=(COne*)pDoc->GetDraw()->GetAt(pt);

		switch(pOne->GetType())
		{
		case DOUBLEFOX_POINT:
			pOne->Transform(&pDoc->GetDC(), matrix);
			break;
		case DOUBLEFOX_IMAGE:
			break;
		default:
			if(pOne->Transform(&pDoc->GetDC(),matrix))
			{
				//ml.AddTail(pt);
				//br=TRUE;
			}
			break;
		}
	} //end while

    return true;
}