求一将HICON句柄的资源保存为 ico文件的源码

Question

保存为 bmp 也行，但我保存为bmp的时候，背景总是黑色的，vckbase上徐景周的一个程序也是，保存为bmp图片后，北京也是黑色的。我要的是，颜色一点都不变。

Answer 1

最好能存为icon.下面的代码我可以很容易动态的的显示一个ico文件
HICON m_hIcon = (HICON)LoadImage( NULL, "c:\\11.ico", 
IMAGE_ICON, 0, 0, LR_LOADFROMFILE ); HDC hdc = ::GetDC(m_hWnd);
::DrawIconEx(hdc, 50, 50, m_hIcon, 16, 16, 
0, 0, DI_NORMAL );
::ReleaseDC(m_hWnd, hdc);

Answer 2

哎，没有人会吗，我上codeguru上也去了，也是找不到答案

Answer 3

  CSDN上好像有ICO文件格式说明吧，自己取图像数据以后按格式保存试试.

Answer 4

用IPicture.Save
下面是保存bmp,同样的方法可以保存icon
void savebmp(CBitmap& bmp)
{
CPictureHolder picture;
picture.CreateFromBitmap((HBITMAP)bmp, NULL, TRUE);
LPPICTUREDISP pPictureDisp=picture.GetPictureDispatch();
pPictureDisp->Release(); // must be released
IStorage* pStg = 0;        hr = ::StgCreateDocfile(L"c:\\picttest",
              STGM_SHARE_EXCLUSIVE |
              STGM_CREATE |
              STGM_READWRITE,
              0, &pStg);
        if(SUCCEEDED(hr))
        {
            IStream* pStream = 0;            hr = pStg->CreateStream(L"PICTURE",
                  STGM_SHARE_EXCLUSIVE |
                  STGM_CREATE |
                  STGM_READWRITE,
                  0, 0, &pStream);
            if(SUCCEEDED(hr))
            {
                hr = pPictureDisp->SaveAsFile(pStream,
                      TRUE, // save mem copy
                      NULL);
                pStream->Release();
            }
            pStg->Release();
        }
        pPictureDisp->Release();
}

Answer 5

void SaveIcon(HICON hIconToSave, LPCTSTR sIconFileName)
{
if(hIconToSave==NULL || sIconFileName==NULL)
return;
//warning: this code snippet is not bullet proof.
//do error check by yourself [masterz]
PICTDESC picdesc;
picdesc.cbSizeofstruct = sizeof(PICTDESC);
picdesc.picType = PICTYPE_ICON ;            
picdesc.icon.hicon = hIconToSave;
IPicture* pPicture=NULL;
OleCreatePictureIndirect(&picdesc, IID_IPicture, TRUE,(VOID**)&pPicture);
LPSTREAM pStream;
CreateStreamOnHGlobal(NULL,TRUE,&pStream);
LONG size;
HRESULT hr=pPicture->SaveAsFile(pStream,TRUE,&size);
char pathbuf[1024];
strcpy(pathbuf,sIconFileName);
CFile iconfile;
iconfile.Open(pathbuf, CFile::modeCreate|CFile::modeWrite);
LARGE_INTEGER li;
li.HighPart =0;
li.LowPart =0;
ULARGE_INTEGER ulnewpos;
pStream->Seek( li,STREAM_SEEK_SET,&ulnewpos);
ULONG uReadCount = 1;
while(uReadCount>0)
{ pStream->Read(pathbuf,sizeof(pathbuf),&uReadCount);
if(uReadCount>0)
iconfile.Write(pathbuf,uReadCount);
}
pStream->Release();
iconfile.Close();
}