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getting pixel value using CDC::GetPixel() in VCpp

bkathirvelbkathirvel Posts: 1Member
hi friends,
plz send me a code to get pixel value


  • ssvasanssvasan Posts: 101Member

    The GetPixel of CClientDC class can be used to retrieve, pixel color value.

    void CChildView::OnLButtonDown(UINT nFlags, CPoint point)
    // TODO: Add your message handler code here and/or call default
    // MessageBox("Left Button Pressed", "Mouse", NULL);
    CClientDC dc(this);
    COLORREF clr;
    CString str;
    CPen ps;

    clr = dc.GetPixel(10, 10);
    str.Format("The pixel color value at (10, 10) is : %ld", clr);
    MessageBox(str, "Pixel Color Value", MB_OK);

    ps.CreatePen(PS_SOLID, 5, RGB(0, 255, 0));
    dc.SelectObject(&ps );
    dc.LineTo(50, 10);

    clr = dc.GetPixel(10, 10);
    str.Format("After a shape was drawn, the pixel value of (10, 10) is : %ld", clr);
    MessageBox(str, "Pixel Color Value", MB_OK);

    CWnd ::OnLButtonDown(nFlags, point);

    - srinivasan.

    : hi friends,
    : plz send me a code to get pixel value

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