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  4. How can I get a HBITMAP handle from a CImageList Object?

How can I get a HBITMAP handle from a CImageList Object?

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  • P prasad_som

    Tcpip2005 wrote:

    the bmp that saved have a black background. how could I change the back colour into what ever I want??

    You mean to say, you want to change BMP, is it?

    Tcpip2005 wrote:

    And It is much better that you don't use CxImage.

    ??

    Prasad Notifier using ATL

    T Offline
    T Offline
    Tcpip2005
    wrote on last edited by
    #7

    Yes,change the backgroud colour. change black background into red,for example.

    P 1 Reply Last reply
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    • T Tcpip2005

      Thank you very much. but there is still a problem. the bmp that saved have a black background. how could I change the back colour into what ever I want?? And It is much better that you don't use CxImage. -- modified at 7:57 Friday 25th August, 2006

      H Offline
      H Offline
      Hamid Taebi
      wrote on last edited by
      #8

      DrawIcon(you need to calculate x from icons in your listimage,0,m_ImageList->ExtractIcon(i))

      Tcpip2005 wrote:

      It is much better that you don't use CxImage

      ?!CImage

      _**


      **_

      WhiteSky


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      • T Tcpip2005

        Yes,change the backgroud colour. change black background into red,for example.

        P Offline
        P Offline
        prasad_som
        wrote on last edited by
        #9

        I'm not sure, if its possible.

        Prasad Notifier using ATL

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        • P prasad_som

          I'm not sure, if its possible.

          Prasad Notifier using ATL

          H Offline
          H Offline
          Hamid Taebi
          wrote on last edited by
          #10

          Its possible(he needs a little work for it)

          _**


          **_

          WhiteSky


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          • H Hamid Taebi

            Its possible(he needs a little work for it)

            _**


            **_

            WhiteSky


            P Offline
            P Offline
            prasad_som
            wrote on last edited by
            #11

            WhiteSky wrote:

            Its possible(he needs a little work for it)

            ya tru, its more than little.

            Prasad Notifier using ATL

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            • H Hamid Taebi

              DrawIcon(you need to calculate x from icons in your listimage,0,m_ImageList->ExtractIcon(i))

              Tcpip2005 wrote:

              It is much better that you don't use CxImage

              ?!CImage

              _**


              **_

              WhiteSky


              T Offline
              T Offline
              Tcpip2005
              wrote on last edited by
              #12

              void CSaveBmpToFileDlg::GetImageFromList(CImageList *lstImages, CBitmap* destBitmap)
              {

              CImageList tmpList;
              tmpList.Create(lstImages);
              
              
              IMAGEINFO lastImage;
              tmpList.GetImageInfo(0,&lastImage);
              
              CDC dcMem; 
              
              dcMem.CreateCompatibleDC(GetWindowDC()); 
              
              CRect rect (lastImage.rcImage);
              
              destBitmap->CreateCompatibleBitmap (this->GetWindowDC(), 
              	rect.Width () \* tmpList.GetImageCount(), rect.Height ());
              
              CBitmap\* pBmpOld = dcMem.SelectObject (destBitmap);
              
              for (int i=0;i
              

              I got this code. the bmp itself was nice.but still,the back was black:(

              H 1 Reply Last reply
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              • T Tcpip2005

                void CSaveBmpToFileDlg::GetImageFromList(CImageList *lstImages, CBitmap* destBitmap)
                {

                CImageList tmpList;
                tmpList.Create(lstImages);
                
                
                IMAGEINFO lastImage;
                tmpList.GetImageInfo(0,&lastImage);
                
                CDC dcMem; 
                
                dcMem.CreateCompatibleDC(GetWindowDC()); 
                
                CRect rect (lastImage.rcImage);
                
                destBitmap->CreateCompatibleBitmap (this->GetWindowDC(), 
                	rect.Width () \* tmpList.GetImageCount(), rect.Height ());
                
                CBitmap\* pBmpOld = dcMem.SelectObject (destBitmap);
                
                for (int i=0;i
                

                I got this code. the bmp itself was nice.but still,the back was black:(

                H Offline
                H Offline
                Hamid Taebi
                wrote on last edited by
                #13

                In this example we have a 32x32 and if you calculate x for x for draw function then your problem solve but if you want to get x& y from icons in CImageList see ImageList_GetIconSize(yourlist,x,y) and then insert x to current position in DrawIcon if you test this code and your problem is slove i glad but if you have previous error reply to me:)

                _**


                **_

                WhiteSky


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                • H Hamid Taebi

                  In this example we have a 32x32 and if you calculate x for x for draw function then your problem solve but if you want to get x& y from icons in CImageList see ImageList_GetIconSize(yourlist,x,y) and then insert x to current position in DrawIcon if you test this code and your problem is slove i glad but if you have previous error reply to me:)

                  _**


                  **_

                  WhiteSky


                  T Offline
                  T Offline
                  Tcpip2005
                  wrote on last edited by
                  #14

                  Thank you sir. I tried to do as what you have said. the bmp file was saved correctly. but the background was still black. I want to change the background into RGB(255,0,255). How could I do so? Thank you very much.

                  H 1 Reply Last reply
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                  • T Tcpip2005

                    Thank you sir. I tried to do as what you have said. the bmp file was saved correctly. but the background was still black. I want to change the background into RGB(255,0,255). How could I do so? Thank you very much.

                    H Offline
                    H Offline
                    Hamid Taebi
                    wrote on last edited by
                    #15

                    for black background dc.DrawIcon(x/*32*/, 0, m_ImageList->ExtractIcon(i)); i used 32x32 for your icons you need to calculate x and y for change background you can use from: you need to two CDC objects one for draw icon and another for draw previous dc in new dc(for change color) 1-create two dc(dc1,dc2)and create two bitmap 2-in dc1 you draw icon 3-in dc2 you need to set color for bitmap and draw dc1 to dc2 4-then save this dc it seems that its hard but when you start to this work its not hard also you can find examples for this purpose in bitmap i think i see examples for example you need to draw many pictures to a picture if you write this program then its very helpful in your programming.

                    _**


                    **_

                    WhiteSky


                    M 1 Reply Last reply
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                    • H Hamid Taebi

                      for black background dc.DrawIcon(x/*32*/, 0, m_ImageList->ExtractIcon(i)); i used 32x32 for your icons you need to calculate x and y for change background you can use from: you need to two CDC objects one for draw icon and another for draw previous dc in new dc(for change color) 1-create two dc(dc1,dc2)and create two bitmap 2-in dc1 you draw icon 3-in dc2 you need to set color for bitmap and draw dc1 to dc2 4-then save this dc it seems that its hard but when you start to this work its not hard also you can find examples for this purpose in bitmap i think i see examples for example you need to draw many pictures to a picture if you write this program then its very helpful in your programming.

                      _**


                      **_

                      WhiteSky


                      M Offline
                      M Offline
                      mathievp
                      wrote on last edited by
                      #16

                      You can try this HBRUSH hbr; hbr = ::CreateSolidBrush(RGB(255,255,255)); //this will draw white BackGround before drawing ICON onto it. DrawIconEx(hDC,0,0,hIcon,0,0,0,hbr,DI_DEFAULTSIZE); Matt

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