用GetGlyphOutline取字体点阵

void CtestdlgDlg::OnBnClickedButton6()

{

    CDC *         pDC;

    CString           cStr;

    CHAR          c;

    GLYPHMETRICS    GpMtic;

    BYTE *         pBuffer;

    DWORD          dwBufSize;

    MAT2          mat;

    CFont         font;

    CFont *           pOldFont;

    LOGFONT           lf;

    DWORD          dwRetVal;

    int           x, y;

    BOOL          bBit;

 

    c = 'X';

    cStr = c;

    pDC = this->GetWindowDC();

 

    memset(&lf,0,sizeof(LOGFONT));

 

    lf.lfHeight=180;

    lstrcpy(lf.lfFaceName,_T("Times New Roman"));

    font.CreateFontIndirect(&lf);

 

    pOldFont = pDC->SelectObject(&font);

    pDC->TextOut(0, 0, cStr);

 

    NSys::IdleSleep(200);

 

    memset(&GpMtic, 0, sizeof(GpMtic));

    memset(&mat, 0, sizeof(mat));

    mat.eM11.value = 1;

    mat.eM22.value = 1;

 

    pBuffer = NULL;

    dwBufSize = 0;

    dwRetVal = pDC->GetGlyphOutline(c, GGO_BITMAP, &GpMtic, dwBufSize, pBuffer, &mat);

    if(dwRetVal == -1)

    {

        NMsg::MsgErr();

       goto Done;

    }

 

    dwBufSize = dwRetVal;

    pBuffer = new BYTE[dwBufSize];

    memset(pBuffer, 0, dwBufSize);

    dwRetVal = pDC->GetGlyphOutline(c, GGO_BITMAP, &GpMtic, dwBufSize, pBuffer, &mat);

    if(dwRetVal == -1)

    {

        delete [] pBuffer;

       goto Done;

    }

 

    int        nWidth, nHeight;

    BYTE       *pData;

    DWORD      dwOneLine;

    int        dx, dy;

 

    nWidth = GpMtic.gmBlackBoxX;

    nHeight = GpMtic.gmBlackBoxY;

 

 

    TEXTMETRIC      TxtMtic;

    pDC->GetTextMetrics(&TxtMtic);

 

    dx = GpMtic.gmptGlyphOrigin.x;

    dy = TxtMtic.tmAscent - GpMtic.gmptGlyphOrigin.y;

 

    dwOneLine = (nWidth/8 + 3) / 4 * 4;

    for(y=0; y<nHeight; y++)

    {

        for(x=0; x<nWidth; x++)

       {

           pData = pBuffer + dwOneLine*y + x/8;

           bBit = *pData & (1 << 7-(x%8));

 

           if(bBit)

               pDC->SetPixel(x+dx, y+dy, RGB(255, 0, 0));

//         else

//             pDC->SetPixel(x+dx, y+dy, RGB(0, 255, 0));

 

       }

    }

 

    delete [] pBuffer;

Done:

    pDC->SelectObject(pOldFont);

    this->ReleaseDC(pDC);

}