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  4. full code for comparing bitmaps

full code for comparing bitmaps

Scheduled Pinned Locked Moved C / C++ / MFC
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  • K kaushal kishore sharma

    sry my friend.. i have account on paypal but i have not done any work yet due to busy in college..but if you can provide me the code for this i will be very thankful to you.. rest is your wish..thanks for the reply..

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    R Offline
    Rajesh R Subramanian
    wrote on last edited by
    #8

    Read the guidelines[^] before you make another post. For once, what is pissing me off is your TXSTPK. Stop using SMS language here. Hundreds of people read it every day. So, act like a professional.

    Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal - Friedrich Nietzsche .·´¯`·->Rajesh<-·´¯`·. [Microsoft MVP - Visual C++]

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    • K kaushal kishore sharma

      pallini..thnx..but i need a full running code for comparing 2 bitmaps.. i have posted my code but i cant understand what is wrong in my code... can you help please.. 1. void CPixelView::OnDraw(CDC* pDC) { CPixelDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: add draw code for native data here { COLORREF color[255][255],color1[255][255]; CBitmap bitmap,bitmap1; CString file1,file2,strText; file1.Format("C:\\1.bmp"); file2.Format("C:\\3.bmp"); CDC dcMemory,dcMemory1; int r[255][255],R[255][255]; // 1st image HBITMAP hBitmap1 = (HBITMAP)::LoadImage(NULL,file1,IMAGE_BITMAP, 0, 0,LR_LOADFROMFILE );//| LR_CREATEDIBSECTION); //2nd image HBITMAP hBitmap2 = (HBITMAP)::LoadImage(NULL,file2,IMAGE_BITMAP, 0, 0,LR_LOADFROMFILE ); // Attach the loaded image to the CBitmap object. bitmap.Attach(hBitmap1); bitmap1.Attach(hBitmap2); dcMemory.CreateCompatibleDC(pDC); dcMemory.SelectObject(&bitmap); dcMemory1.CreateCompatibleDC(pDC); dcMemory1.SelectObject(&bitmap1); pDC->BitBlt(0,0,200,200,&dcMemory,0,0,SRCCOPY); pDC->BitBlt(0,0,300,700,&dcMemory1,0,0,SRCCOPY); //for all the pixels for(int i=0;i<48;i++) { for(int j=0;j<48;j++) { HDC hDC = ::GetDC(this->GetSafeHwnd()); color[i][j] = ::GetPixel(hDC,i,j); ::ReleaseDC(this->GetSafeHwnd(), hDC); r[i][j]=GetRValue(color[i][j]); HDC hDC1 = ::GetDC(this->GetSafeHwnd()); color1[i][j] = ::GetPixel(hDC1,i,j); ::ReleaseDC(this->GetSafeHwnd(), hDC1); R[i][j]=GetRValue(color1[i][j]); } }//got the pixel values } }

      M Offline
      M Offline
      Michael Schubert
      wrote on last edited by
      #9

      kaushal kishore sharma wrote:

      allini..thnx..but i need a full running code for comparing 2 bitmaps

      He just posted the code.

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      • CPalliniC CPallini

        if (bitmap1 == bitmap2)

        BTW Don't forget to visit www.cpallini.freeproductz.com for more free 'full code'. :-D

        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]

        M Offline
        M Offline
        Michael Schubert
        wrote on last edited by
        #10

        Ingenious. ;)

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        • R Rajesh R Subramanian

          Read the guidelines[^] before you make another post. For once, what is pissing me off is your TXSTPK. Stop using SMS language here. Hundreds of people read it every day. So, act like a professional.

          Many are stubborn in pursuit of the path they have chosen, few in pursuit of the goal - Friedrich Nietzsche .·´¯`·->Rajesh<-·´¯`·. [Microsoft MVP - Visual C++]

          M Offline
          M Offline
          Michael Schubert
          wrote on last edited by
          #11

          Rajesh R Subramanian wrote:

          For once, what is pissing me off is your TXSTPK

          You forgot the ASAP and URGENTZZ

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          • K kaushal kishore sharma

            pallini..thnx..but i need a full running code for comparing 2 bitmaps.. i have posted my code but i cant understand what is wrong in my code... can you help please.. 1. void CPixelView::OnDraw(CDC* pDC) { CPixelDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: add draw code for native data here { COLORREF color[255][255],color1[255][255]; CBitmap bitmap,bitmap1; CString file1,file2,strText; file1.Format("C:\\1.bmp"); file2.Format("C:\\3.bmp"); CDC dcMemory,dcMemory1; int r[255][255],R[255][255]; // 1st image HBITMAP hBitmap1 = (HBITMAP)::LoadImage(NULL,file1,IMAGE_BITMAP, 0, 0,LR_LOADFROMFILE );//| LR_CREATEDIBSECTION); //2nd image HBITMAP hBitmap2 = (HBITMAP)::LoadImage(NULL,file2,IMAGE_BITMAP, 0, 0,LR_LOADFROMFILE ); // Attach the loaded image to the CBitmap object. bitmap.Attach(hBitmap1); bitmap1.Attach(hBitmap2); dcMemory.CreateCompatibleDC(pDC); dcMemory.SelectObject(&bitmap); dcMemory1.CreateCompatibleDC(pDC); dcMemory1.SelectObject(&bitmap1); pDC->BitBlt(0,0,200,200,&dcMemory,0,0,SRCCOPY); pDC->BitBlt(0,0,300,700,&dcMemory1,0,0,SRCCOPY); //for all the pixels for(int i=0;i<48;i++) { for(int j=0;j<48;j++) { HDC hDC = ::GetDC(this->GetSafeHwnd()); color[i][j] = ::GetPixel(hDC,i,j); ::ReleaseDC(this->GetSafeHwnd(), hDC); r[i][j]=GetRValue(color[i][j]); HDC hDC1 = ::GetDC(this->GetSafeHwnd()); color1[i][j] = ::GetPixel(hDC1,i,j); ::ReleaseDC(this->GetSafeHwnd(), hDC1); R[i][j]=GetRValue(color1[i][j]); } }//got the pixel values } }

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            M Offline
            Maximilien
            wrote on last edited by
            #12

            Well, you're "getting there"; Me thing you do not need to keep arrays of COLORREF or the r and R arrays You should be able to get the size of the bitmaps dynamically (because a bitmap of 48 pixel is really small) No need to get the DC twice. Now that you have the color for the same pixel position in both bitmaps; what should you be doing with them ? compare them ? maybe ?

            This signature was proudly tested on animals.

            K 1 Reply Last reply
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            • K kaushal kishore sharma

              can anyone send me full code for comparing two bitmaps... thank you..

              L Offline
              L Offline
              Lost User
              wrote on last edited by
              #13

              how many times do you need to post this same question?

              1 Reply Last reply
              0
              • CPalliniC CPallini

                if (bitmap1 == bitmap2)

                BTW Don't forget to visit www.cpallini.freeproductz.com for more free 'full code'. :-D

                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]

                H Offline
                H Offline
                Hamid Taebi
                wrote on last edited by
                #14

                :laugh: And can we use of this code for other formats like jpg? :laugh:

                CPalliniC 1 Reply Last reply
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                • K kaushal kishore sharma

                  can anyone send me full code for comparing two bitmaps... thank you..

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

                  Of course you can use of CImage class for read your bitmap files and like your code you can use of two loop(See CImage::GetPixel) I think its easy than your code.

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                  • M Maximilien

                    Well, you're "getting there"; Me thing you do not need to keep arrays of COLORREF or the r and R arrays You should be able to get the size of the bitmaps dynamically (because a bitmap of 48 pixel is really small) No need to get the DC twice. Now that you have the color for the same pixel position in both bitmaps; what should you be doing with them ? compare them ? maybe ?

                    This signature was proudly tested on animals.

                    K Offline
                    K Offline
                    kaushal kishore sharma
                    wrote on last edited by
                    #16

                    thank you for the reply. can you tell how to make changes in the code. I am studying VC++ so not too much knowledge about the language.So can you help me with the code. Yes i am comparing both bitmap for checking whether both images are same or different. Thank You kaushal kishore Sharma kaushal..

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                    • K kaushal kishore sharma

                      can anyone send me full code for comparing two bitmaps... thank you..

                      PJ ArendsP Offline
                      PJ ArendsP Offline
                      PJ Arends
                      wrote on last edited by
                      #17

                      http://www.codeproject.com/KB/graphics/BitmapCompare.aspx[^] And also http://www.codeproject.com/script/Forums/View.aspx?fid=368891&msg=1957223[^]

                      Within you lies the power for good; Use it!

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                      • H Hamid Taebi

                        :laugh: And can we use of this code for other formats like jpg? :laugh:

                        CPalliniC Offline
                        CPalliniC Offline
                        CPallini
                        wrote on last edited by
                        #18

                        Hamid. wrote:

                        And can we use of this code for other formats like jpg?

                        Nope. You have to change it:

                        if ( jpegImage1 == jpegImage2) ...

                        Details for all image formats on www.cpallini.freeproductz.com. :)

                        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]

                        In testa che avete, signor di Ceprano?

                        H 1 Reply Last reply
                        0
                        • CPalliniC CPallini

                          Hamid. wrote:

                          And can we use of this code for other formats like jpg?

                          Nope. You have to change it:

                          if ( jpegImage1 == jpegImage2) ...

                          Details for all image formats on www.cpallini.freeproductz.com. :)

                          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]

                          H Offline
                          H Offline
                          Hamid Taebi
                          wrote on last edited by
                          #19

                          I decided to made a supplement for your magic site. :-D

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