#include "StdAfx.h"
#include ".\itemexportfile.h"
#include "SigmaDoc.h"
#include "SigmaView.h"
//#include "ExportSheet.h"
#include "DrawOperator\imageinsert.h"

CItemExportFile::CItemExportFile(CSigmaDoc * ppDoc)
: CItem(ppDoc)
{
}

CItemExportFile::~CItemExportFile(void)
{
}

CMemoryDC* CItemExportFile::ExportImage(CSize sz,UINT bpp)
{
	if(sz.cx<=0 || sz.cy<=0) return NULL;

	CMemoryDC *pImageDC = new CMemoryDC;
	if(!pImageDC->Create(sz,bpp))
	{
		delete pImageDC;
		// ::AfxMessageBox("Create Image error!");
		return NULL;
	}
	CDC* pBakDC=GetDC()->GetDC();
	CRect BakRT=GetDC()->GetViewRect();

	pImageDC->Erase(RGB(255,255,255));
	CRect rect(0,0,sz.cx,sz.cy);
	GetDoc()->SetCDC(pImageDC);
	GetDC()->SetViewRect(rect);
	GetDoc()->OnDraw(*GetDC());
	
	GetDoc()->SetCDC(pBakDC);
	GetDC()->SetViewRect(BakRT);
	return pImageDC;
}


BOOL CItemExportFile::ExportImage(LPCTSTR lpFileName, CSize sz, UINT bpp)
{
	CMemoryDC *pImageDC=ExportImage(sz,bpp);
	if(pImageDC==NULL)
		return false;
	bool bSuccess = true;
	CImageInsert *pii=new CImageInsert;
	CRect rect(0,0,sz.cx,sz.cy);
	CRect8 rt=GetDC()->GetReal(rect);
	pii->x0=rt.left;
	pii->y0=rt.bottom;
	pii->m_size=rt.GetSize();
	pii->m_pImage=new CImageBase;
	//设置图像分辨率
	/*
	if(GetPreferences().WorkaroundSave.m_nExportModeDPI == 1)	//自定义分辨率
	{
		int dpi = (int)GetPreferences().WorkaroundSave.m_dExportDPI;
		pii->m_pImage->SetXDPI(dpi);
		pii->m_pImage->SetYDPI(dpi);
	}
	*/
	pii->m_pImage->CreateFromHBITMAP((HBITMAP)*pImageDC);
	
	if(!pii->SaveAs(lpFileName))
	{ 
		//::AfxMessageBox("Save image Error");
		bSuccess = false;
	}

	delete pii;
	delete pImageDC;
	return bSuccess;
}

BOOL CItemExportFile::ExportWMF(LPCTSTR lpFileName, CSize sz)
{
	CDC* pBakDC = GetDC()->GetDC();
	CRect BakRT = GetDC()->GetViewRect();

	CRect rect, rt;
	rect.SetRect(0, 0, sz.cx, sz.cy);

	//CFile::Remove(lpFileName);
	DeleteFile(lpFileName);

	CMetaFileDC wmf;
	wmf.SetMapMode(MM_TEXT);

	//由像素转换为0.01毫米单位
	double HorzsizePerPixel = (double)(pBakDC->GetDeviceCaps(HORZSIZE)) / (double)pBakDC->GetDeviceCaps(HORZRES);//一个象素的宽度(单位:毫米/象素)
	double VertsizePerPixel = (double)(pBakDC->GetDeviceCaps(VERTSIZE)) / (double)pBakDC->GetDeviceCaps(VERTRES);//一个光栅行(象素)的高度(单位:毫米/象素)
	sz.cx = AfxGetPublicFunction()->FloatToLong(sz.cx*HorzsizePerPixel * 100);	//单位为0.01毫米
	sz.cy = AfxGetPublicFunction()->FloatToLong(sz.cy*VertsizePerPixel * 100);	//单位为0.01毫米
	//pDC->DPtoHIMETRIC(&sz);
	rt.SetRect(0, 0, sz.cx, sz.cy);

	if (!wmf.CreateEnhanced(pBakDC, lpFileName, rt, "Golden East\0\0")) return FALSE;
	wmf.SetAttribDC(pBakDC->m_hAttribDC);

	GetDoc()->SetCDC(&wmf);
	GetDC()->SetViewRect(rect);
	GetDoc()->OnDraw(*GetDC());

	::DeleteEnhMetaFile(wmf.CloseEnhanced());

	GetDoc()->SetCDC(pBakDC);
	GetDC()->SetViewRect(BakRT);
	return TRUE;
}

bool CItemExportFile::Export(LPCTSTR lpFileName, CSize sz, UINT bpp)
{
	CString szFullPathDst, ext;
	szFullPathDst.Format("%s", lpFileName);
	ext = AfxGetPublicFunction()->GetSplitPath(szFullPathDst, "ext");

	if (ext.Find(".WMF") >= 0 || ext.Find(".EMF") >= 0)
	{
		return ExportWMF(szFullPathDst, sz);
	}
	else
	{
		return ExportImage(szFullPathDst, sz, bpp);
	}
}