COneTif* pOt = new COneTif();    pOt->m_strTifPath = m_pOt->m_strTifPath;    if (!pOt->Initilize())    {        return;    }    const int nBlock = 1024;    const int& nImgWidth = pOt->m_nImgWidth;    const int& nImgHeight = pOt->m_nImgHeight;    const int& nBandNum = pOt->m_nBandNum;    const int& nBPB = pOt->m_nBPB;    BYTE* pBlockBufferRead = new BYTE[nImgWidth * nBandNum * nBPB * nBlock];    BYTE* pBlockBufferWrite = new BYTE[nImgWidth * nBandNum * nBPB * nBlock];    memset(pBlockBufferRead, 0, sizeof(BYTE)* nImgWidth * nBandNum * nBPB * nBlock);    memset(pBlockBufferWrite, 0, sizeof(BYTE)* nImgWidth * nBandNum * nBPB * nBlock);    int nBPP = nBPB * nBandNum;    IImageX* pImage = nullptr;    HRESULT hRes = CoCreateInstance(CLSID_ImageDriverX, NULL, CLSCTX_ALL, IID_IImageX, (void**)&pImage);    if (FAILED(hRes))    {        return;    }    hRes = pImage->CreateImg(szFileName.GetBuffer(), modeCreate, nImgWidth, nImgHeight, 0, nBandNum, BIP, 0, 0, 1);    if (hRes == S_FALSE)    {        return;    }    int nRowBlockNum = (nImgHeight + nBlock - 1) / nBlock;    for (int j = 0; j < nRowBlockNum; ++j)    {        memset(pBlockBufferRead, 0, sizeof(BYTE)* nImgWidth * nBandNum * nBPB * nBlock);        memset(pBlockBufferWrite, 0, sizeof(BYTE)* nImgWidth * nBandNum * nBPB * nBlock);        pOt->m_pImage->ReadImg(0, j * nBlock, nImgWidth, j * nBlock + nBlock, pBlockBufferRead, nImgWidth, nBlock, nBandNum, 0, 0, nImgWidth, nBlock, -1, 0);        for (int m = 0; m < nBlock; m++)        {            BYTE *pBufferWriteIndex = pBlockBufferWrite + m * nImgWidth * nBPP;            BYTE *pBufferBlockIndex = pBlockBufferRead + m * nImgWidth * nBPP;            for (int n = 0; n < nImgWidth; n++)            {                BYTE *pSubBufferWriteIndex = pBufferWriteIndex + n * nBPP;                BYTE *pSubBufferBlockIndex = pBufferBlockIndex + n * nBPP;                //对每一个像素进行计算                if (nBandNum == 3)                {                    //此时rgba实际上为rgb，bmp格式存放的是bgr                    const BYTE* rgba = pSubBufferBlockIndex;                    double rgb[3];                    rgb[0] = m_arrWeight[0] * rgba[0] + m_arrWeight[1] * rgba[1] + m_arrWeight[2] * rgba[2];                    rgb[1] = m_arrWeight[4] * rgba[0] + m_arrWeight[5] * rgba[1] + m_arrWeight[6] * rgba[2];                    rgb[2] = m_arrWeight[8] * rgba[0] + m_arrWeight[9] * rgba[1] + m_arrWeight[10] * rgba[2];                    for (int k = 0; k < nBandNum; ++k)                    {                        rgb[k] = rgb[k] > 255.0 ? 255.0 : rgb[k];                        pSubBufferWriteIndex[k] = (BYTE)rgb[k];                    }                }                else if (nBandNum == 4)                {                    //加入的调色代码                    const BYTE* rgba = pSubBufferBlockIndex;                    double rgb[4];                    rgb[0] = m_arrWeight[0] * rgba[0] + m_arrWeight[1] * rgba[1] + m_arrWeight[2] * rgba[2] + m_arrWeight[3] * rgba[3];                    rgb[1] = m_arrWeight[4] * rgba[0] + m_arrWeight[5] * rgba[1] + m_arrWeight[6] * rgba[2] + m_arrWeight[7] * rgba[3];                    rgb[2] = m_arrWeight[8] * rgba[0] + m_arrWeight[9] * rgba[1] + m_arrWeight[10] * rgba[2] + m_arrWeight[11] * rgba[3];                    rgb[3] = m_arrWeight[12] * rgba[0] + m_arrWeight[13] * rgba[1] + m_arrWeight[14] * rgba[2] + m_arrWeight[15] * rgba[3];#ifdef _MATRIX_                    double ivv[3];                    RGBtoIHS(rgb[0], rgb[1], rgb[2], ivv);                    ivv[2] = ivv[2] / 4;                    IHStoRGB(ivv, rgb);                    rgb[0] = 16 * sqrt(rgb[0]);                    rgb[1] = 16 * sqrt(rgb[1]);                    rgb[2] = 16 * sqrt(rgb[2]);#endif // _MATRIX_                    for (int k = 0; k < nBandNum; ++k)                    {                        rgb[k] = rgb[k] > 255.0 ? 255.0 : rgb[k];                        pSubBufferWriteIndex[k] = (BYTE)rgb[k];                    }                }            }        }        pImage->WriteImg(0, j * nBlock, nImgWidth, j * nBlock + nBlock, pBlockBufferWrite, nImgWidth, nBlock, nBandNum, 0, 0, nImgWidth, nBlock, -1, 0);    }    if (pBlockBufferRead)    {        delete[] pBlockBufferRead;        pBlockBufferRead = nullptr;    }    if (pBlockBufferWrite)    {        delete[] pBlockBufferWrite;        pBlockBufferWrite = nullptr;    }    delete pOt;    pOt = nullptr;    if (pImage != NULL)    {        pImage->Close();        pImage->Release();        pImage = NULL;    }    AfxMessageBox(_T("OK"));