woaidongmao

#ifndef ULONG_PTR

#define ULONG_PTR unsigned long*

#include "GdiPlus.h"

using namespace Gdiplus;

#pragma comment(lib, "gdiplus.lib")

#endif

GdiplusStartupInput m_gdiplusStartupInput;

ULONG_PTR m_gdiplusToken;

GdiplusStartup(&m_gdiplusToken, &m_gdiplusStartupInput, NULL);

BOOL MBmpToMImage(CMemFile& cbfBmp, CMemFile& cbfImage, CString strType)

BOOL MBmpToMImage(CMemFile& cbfBmp, CMemFile& cbfImage, CString strType)

{

　int iBmpSize = cbfBmp.GetLength();

　HGLOBAL hMemBmp = GlobalAlloc(GMEM_FIXED, iBmpSize);

　if (hMemBmp == NULL) return FALSE;

　IStream* pStmBmp = NULL;

　CreateStreamOnHGlobal(hMemBmp, FALSE, &pStmBmp);

　if (pStmBmp == NULL)

　{

　　GlobalFree(hMemBmp);

　　return FALSE;

　}

　BYTE* pbyBmp = (BYTE *)GlobalLock(hMemBmp);

　cbfBmp.SeekToBegin();

　cbfBmp.Read(pbyBmp, iBmpSize);

　Image* imImage = NULL;

　imImage = Image::FromStream(pStmBmp, FALSE);

　if (imImage == NULL)

　{

　　GlobalUnlock(hMemBmp);

　　GlobalFree(hMemBmp);

　　return FALSE;

　}

　USES_CONVERSION;

　CLSID clImageClsid;

　GetImageCLSID(A2W("image/"+strType.GetBuffer(0)), &clImageClsid);

　HGLOBAL hMemImage = GlobalAlloc(GMEM_MOVEABLE, 0);

　if (hMemImage == NULL)

　{

　　pStmBmp->Release();

　　GlobalUnlock(hMemBmp);

　　GlobalFree(hMemBmp);

　　if (imImage != NULL) delete imImage;

　　return FALSE;

　}　

　IStream* pStmImage = NULL;

　CreateStreamOnHGlobal(hMemImage, TRUE, &pStmImage);

　if (pStmImage == NULL)

　{

　　pStmBmp->Release();

　　GlobalUnlock(hMemBmp);

　　GlobalFree(hMemBmp);

　　GlobalFree(hMemImage);

　　if (imImage != NULL) delete imImage

　　　return FALSE;

　}

　imImage->Save(pStmImage, &clJpgClsid);

　if (pStmImage == NULL)

　{

　　pStmBmp->Release();

　　pStmImage>Release();

　　GlobalUnlock(hMemBmp);

　　GlobalFree(hMemBmp);

　　GlobalFree(hMemImage;

　　if (imImage != NULL) delete imImage;

　　return FALSE;

　}

　LARGE_INTEGER liBegin = {0};

　pStmImage->Seek(liBegin, STREAM_SEEK_SET, NULL);

　BYTE* pbyImage = (BYTE *)GlobalLock(hMemImage);

　cbfImage.SeekToBegin();

　cbfImage.Write(pbyImage, GlobalSize(hMemImage));

　if (imImage != NULL) delete imImage;

　pStmBmp->Release();

　pStmImage->Release();

　GlobalUnlock(hMemBmp);

　GlobalUnlock(hMemImage);

　GlobalFree(hMemBmp);

　GlobalFree(hMemImage);

　return TRUE;

}