Re: Don't know how to insert my data array in loadpicture()

Boki wrote:


Here's slightly changed example.

/////////////////////////////////////////
void LoadPictureFileI(int ilength)
{
    // original buffer
    LPVOID pvSourceData = ...

    // get buffer size
    DWORD dwBuffSize = ...
    _ASSERTE(-1 != dwBuffSize);

    LPVOID pvData = NULL;
    // alloc memory based on buffer size
    HGLOBAL hGlobal = GlobalAlloc(
        GMEM_MOVEABLE, dwBuffSize);
    _ASSERTE(NULL != hGlobal);

    pvData = GlobalLock(hGlobal);
    _ASSERTE(NULL != pvData);

    // copy buffer and store in global memory
    CopyMemory(pvData, pvSourceData, dwBuffSize);
    GlobalUnlock(hGlobal);

    LPSTREAM pstm = NULL;
    // create IStream* from global memory
    HRESULT hr = CreateStreamOnHGlobal(
        hGlobal, TRUE, &pstm);
    _ASSERTE(SUCCEEDED(hr) && pstm);

    // Create IPicture from image file
    if (gpPicture)
        gpPicture->Release();

    hr = ::OleLoadPicture(pstm, dwFileSize, FALSE,
        IID_IPicture, (LPVOID*)&gpPicture);
    _ASSERTE(SUCCEEDED(hr) && gpPicture);
    pstm->Release();

    InvalidateRect(ghWnd, NULL, TRUE);
}
/////////////////////////////////////////