// 假设 CD2DBitmap 类的声明如下:
// class CD2DBitmap {
// public:
//     CD2DBitmap();
//     ~CD2DBitmap();

//     // 其他成员方法和成员变量...

//     // CopyFromMemory 方法声明
//     HRESULT CopyFromMemory(const void* pSrcData, UINT32 pitch, UINT32 width, UINT32 height);
// };

// CopyFromMemory 方法的实现
HRESULT CD2DBitmap::CopyFromMemory(const void* pSrcData, UINT32 pitch, UINT32 width, UINT32 height) {
    // 在这里实现从内存中复制图像数据到 CD2DBitmap 对象的逻辑

    // 示例代码（假设已经创建了 Direct2D 渲染目标 pRenderTarget）：
    HRESULT hr = S_OK;

    if (pRenderTarget) {
        // 创建 WIC 编解码器
        CComPtr<IWICImagingFactory> pWICFactory;
        hr = CoCreateInstance(CLSID_WICImagingFactory, nullptr, CLSCTX_INPROC_SERVER, IID_IWICImagingFactory, reinterpret_cast<void**>(&pWICFactory));
        if (SUCCEEDED(hr)) {
            // 创建 WIC 内存流
            CComPtr<IWICStream> pStream;
            hr = pWICFactory->CreateStream(&pStream);
            if (SUCCEEDED(hr)) {
                hr = pStream->InitializeFromMemory(const_cast<BYTE*>(reinterpret_cast<const BYTE*>(pSrcData)), pitch * height);
                if (SUCCEEDED(hr)) {
                    // 使用 WIC 创建位图
                    CComPtr<IWICBitmapDecoder> pDecoder;
                    hr = pWICFactory->CreateDecoderFromStream(pStream, nullptr, WICDecodeMetadataCacheOnLoad, &pDecoder);
                    if (SUCCEEDED(hr)) {
                        CComPtr<IWICBitmapFrameDecode> pFrame;
                        hr = pDecoder->GetFrame(0, &pFrame);
                        if (SUCCEEDED(hr)) {
                            // 使用 Direct2D 创建位图
                            hr = pRenderTarget->CreateBitmapFromWicBitmap(pFrame, nullptr, &pBitmap);
                        }
                    }
                }
            }
        }
    }

    return hr;
}