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  4. Load Bitmap from file to doc

Load Bitmap from file to doc

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  • C Cedric Moonen

    Your question is very unclear. What is this document you are talking about ? The document class from an SDI app ? If yes, a document class is not something visible, it is supposed to be data only. Are you talking about the view ? Furthermore, what is this pDC you are using in your code snippet ? Where did you put this code ?

    Cédric Moonen Software developer
    Charting control [v2.0] OpenGL game tutorial in C++

    A Offline
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    Amin Abdi
    wrote on last edited by
    #4

    sry forget it the code is in C..View and pdc defined there. program is SDI

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    • C CPallini

      Amin.Abdi wrote:

      pDC->BitBlt(1280, -1765, 390, -230, pDC, // pDC : a CDC pointer to document (SDI Program) 0, 0, SRCCOPY);

      What is the purpose of bit-blitting from pDC to pDC itself?

      If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
      This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
      [My articles]

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      Amin Abdi
      wrote on last edited by
      #5

      dcMem.SelectObject(&Bitmap);
      pDC->BitBlt(1280, nYposChange-1765, 390, -230, &dcMem, 0, 0, SRCCOPY);

      fixed but still nothing :(

      C 1 Reply Last reply
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      • A Amin Abdi

        dcMem.SelectObject(&Bitmap);
        pDC->BitBlt(1280, nYposChange-1765, 390, -230, &dcMem, 0, 0, SRCCOPY);

        fixed but still nothing :(

        C Offline
        C Offline
        CPallini
        wrote on last edited by
        #6

        What's the purtpose of a negative height? :)

        If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
        This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
        [My articles]

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        • C CPallini

          What's the purtpose of a negative height? :)

          If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
          This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
          [My articles]

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          Amin Abdi
          wrote on last edited by
          #7

          ;P because of MapMode

          modified on Wednesday, August 26, 2009 4:45 AM

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          • A Amin Abdi

            ;P because of MapMode

            modified on Wednesday, August 26, 2009 4:45 AM

            C Offline
            C Offline
            CPallini
            wrote on last edited by
            #8

            And why do you need the following statements?

            Amin.Abdi wrote:

            BYTE* pBitmapData = new BYTE[ BitmapImageSize ]; ZeroMemory( pBitmapData, BitmapImageSize ); Bitmap.SetBitmapBits(BitmapImageSize, pBitmapData); Bitmap.SetBitmapBits( BitmapImageSize, pBitmapData );

            :) The last line is because you don't trust MFC? :rolleyes:

            If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
            This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
            [My articles]

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            • C CPallini

              And why do you need the following statements?

              Amin.Abdi wrote:

              BYTE* pBitmapData = new BYTE[ BitmapImageSize ]; ZeroMemory( pBitmapData, BitmapImageSize ); Bitmap.SetBitmapBits(BitmapImageSize, pBitmapData); Bitmap.SetBitmapBits( BitmapImageSize, pBitmapData );

              :) The last line is because you don't trust MFC? :rolleyes:

              If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
              This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
              [My articles]

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              A Offline
              Amin Abdi
              wrote on last edited by
              #9

              I change my codes : remove that statement and add these:

              CClientDC dcMem;
              dcMem.SelectObject(&Bitmap);
              pDC->BitBlt(1280, nYposChange-1995, 390, 230, &dcMem, 0, 0, SRCCOPY);
              

              but it show a print screen of window and print nothing. WHY and how can i fix it?

              C 1 Reply Last reply
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              • A Amin Abdi

                I change my codes : remove that statement and add these:

                CClientDC dcMem;
                dcMem.SelectObject(&Bitmap);
                pDC->BitBlt(1280, nYposChange-1995, 390, 230, &dcMem, 0, 0, SRCCOPY);
                

                but it show a print screen of window and print nothing. WHY and how can i fix it?

                C Offline
                C Offline
                CPallini
                wrote on last edited by
                #10

                You should put your drawing code inside the CView::OnDraw method. :)

                If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
                This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
                [My articles]

                A 1 Reply Last reply
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                • C CPallini

                  You should put your drawing code inside the CView::OnDraw method. :)

                  If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
                  This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
                  [My articles]

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                  Amin Abdi
                  wrote on last edited by
                  #11

                  i put it on a function and call the function in C..View::OnDraw.

                  C 1 Reply Last reply
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                  • A Amin Abdi

                    i put it on a function and call the function in C..View::OnDraw.

                    C Offline
                    C Offline
                    CPallini
                    wrote on last edited by
                    #12

                    I would do this test:

                    CDC memDC;
                    memDC.CreateCompatibleDC(pDC);
                    dcMem.SelectObject(&Bitmap);
                    pDC->BitBlt(0, 0, 390, 230, &dcMem, 0, 0, SRCCOPY);

                    :)

                    If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
                    This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
                    [My articles]

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                    • C CPallini

                      I would do this test:

                      CDC memDC;
                      memDC.CreateCompatibleDC(pDC);
                      dcMem.SelectObject(&Bitmap);
                      pDC->BitBlt(0, 0, 390, 230, &dcMem, 0, 0, SRCCOPY);

                      :)

                      If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
                      This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
                      [My articles]

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                      A Offline
                      Amin Abdi
                      wrote on last edited by
                      #13

                      THANX :rose:

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                      • A Amin Abdi

                        THANX :rose:

                        C Offline
                        C Offline
                        CPallini
                        wrote on last edited by
                        #14

                        You are welcome. As about negative height, when you should make something work, I suggest the 'stay simple' principle: start trying with 'fail-proof' parameters and then, when it works a bit, began to change.. :)

                        If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
                        This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. -- Iain Clarke
                        [My articles]

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