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  1. 21st September 2011, 23:37 #1
    danilodsp
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    Default executable version

    Hello friends,

    normally I copy the libraries .dll for the folder together with the executable. And it always worked.
    However, I did a software for image processing, that use the QPixmap, QImage, math.h, libraries among others. And it not working.
    I copied the libraries .dll that are necessary for run without error, the software opens without error, but the image not open. And when I compile the code, he run and open the image without problem.

    How will I find the libraries are needed?

    Sorry my english.
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    hakermania (9th October 2011)
  3. 22nd September 2011, 00:35 #2
    ChrisW67
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    Default Re: executable version

    You probably need to deploy the Qt image format plugin(s) into the "imageformats" sub-directory.
    See one of the many times this has come up
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    danilodsp (22nd September 2011), hakermania (9th October 2011)
  5. 22nd September 2011, 07:57 #3
    Lesiok
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    Default Re: executable version

    Read about deploying Qt application
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    danilodsp (22nd September 2011)
  7. 23rd September 2011, 15:01 #4
    danilodsp
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    Default Re: executable version

    I read about Deploying Qt Applications and realized that I want to do static linking.
    I read in the link of Chris, my software also has load jpge, and QPainter.
    I used:
    Qt Code: 
    1. QApplication a(argc, argv);
    2.     a.addLibraryPath("C:/QtSDK/Desktop/Qt/4.7.4/mingw/plugins");
    3.     PDI w;
    4.     w.show();
    5.     return a.exec();
    To copy to clipboard, switch view to plain text mode 

    But not working.
    I do not understand what is really needed, I thought all the linking .dll was already done automatically by Qt.
    It seems complicated.
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  8. 24th September 2011, 00:20 #5
    ChrisW67
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    Default Re: executable version

    If you were:
    normally I copy the libraries .dll for the folder together with the executable. And it always worked.
    then you have been using dynamic linking. If you are finding that images are not loading then you just need to copy another DLL or two to supply the image plugins. No code changes. It hasn't changed in difficulty at all.
    Qt Code: 
    1. C:\Program Files\My Funky Program
    2.   - program.exe
    3.   - QtCore4.dll
    4.   - QtGui4.dll
    5.   - ...
    6.   + imageformats
    7.     - qjpeg4.dll
    8.     - jgif4.dll
    9.     - ...
    10.   + sqldrivers
    11.     - qsqlite4.dll
    To copy to clipboard, switch view to plain text mode 


    If you want to do static linking then you need to:
    • Build Qt for static linking (i.e. the -static configure option)
    • Modify your application to arrange static inclusion of the same image format plugins How To
    • Build your application
    • Deploy your application keeping an eye on your license requirements regarding source/relinking ability if your are using GPL/LGPL.
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    danilodsp (25th September 2011)
  10. 3rd October 2011, 20:17 #6
    danilodsp
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    Default Re: executable version

    Hi friend,

    I understand.
    Actually I want the dynamic linking. I kept copying and did not work, I thought I was doing something wrong or different than before, then searched but not found the problem.
    I copied everything of: (more than 60 .dll)
    C:\QtSDK\Desktop\Qt\4.7.4\mingw\plugins
    for my executable.

    When it did not work, I copied other .dll of other directories did not work.
    Sorry being boring, but I really do not know what's wrong.
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  11. 4th October 2011, 00:37 #7
    ChrisW67
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    Default Re: executable version

    On the deployed machine:
    • Open a command prompt
    • Change directory to the application install directory
    • Execute "DIR /s /b"
    • Copy and paste the output here
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  12. 4th October 2011, 14:34 #8
    danilodsp
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    Default Re: executable version

    follow:

    Qt Code: 
    1. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug>DIR /s /b
    2.  
    3. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\dialogmedia.o
    4. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libgcc_s_dw2-1.dll
    5. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqcncodecs4.a
    6. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqcncodecsd4.a
    7. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqgif4.a
    8. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqgifd4.a
    9. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqglgraphicssystem4.a
    10. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqglgraphicssystemd4.a
    11. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqico4.a
    12. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqicod4.a
    13. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqjpcodecs4.a
    14. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqjpcodecsd4.a
    15. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqjpeg4.a
    16. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqjpegd4.a
    17. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqkrcodecs4.a
    18. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqkrcodecsd4.a
    19. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqmng4.a
    20. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqmngd4.a
    21. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqsvg4.a
    22. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqsvgd4.a
    23. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqsvgicon4.a
    24. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqsvgicond4.a
    25. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqtiff4.a
    26. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqtiffd4.a
    27. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqtracegraphicssystem4.a
    28. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqtracegraphicssystemd4.a
    29. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqtwcodecs4.a
    30. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\libqtwcodecsd4.a
    31. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\main.o
    32. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\mediaimg.o
    33. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\mingwm10.dll
    34. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_dialogmedia.cpp
    35. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_dialogmedia.o
    36. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_mediaimg.cpp
    37. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_mediaimg.o
    38. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_pdi.cpp
    39. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_pdi.o
    40. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_sobre.cpp
    41. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_sobre.o
    42. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_vishist.cpp
    43. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\moc_vishist.o
    44. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\PDI.exe
    45. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\pdi.o
    46. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qcncodecs4.dll
    47. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qcncodecsd4.dll
    48. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qgif4.dll
    49. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qgifd4.dll
    50. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qglgraphicssystem4.dll
    51. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qglgraphicssystemd4.dll
    52. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qico4.dll
    53. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qicod4.dll
    54. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qjpcodecs4.dll
    55. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qjpcodecsd4.dll
    56. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qjpeg4.dll
    57. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qjpegd4.dll
    58. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qkrcodecs4.dll
    59. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qkrcodecsd4.dll
    60. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qmng4.dll
    61. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qmngd4.dll
    62. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qrc_img.cpp
    63. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qrc_img.o
    64. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qsvg4.dll
    65. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qsvgd4.dll
    66. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qsvgicon4.dll
    67. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qsvgicond4.dll
    68. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\QtCored4.dll
    69. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\QtGuid4.dll
    70. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qtiff4.dll
    71. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qtiffd4.dll
    72. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qtracegraphicssystem4.dll
    73. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qtracegraphicssystemd4.dll
    74. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qtwcodecs4.dll
    75. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\qtwcodecsd4.dll
    76. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\sobre.o
    77. C:\Users\Danilo\Documents\Processamento de imagens\PDI-build-desktop\debug\vishist.o
    To copy to clipboard, switch view to plain text mode 

    Before, I had placed .dll's the most, unnecessary.

    Added after 8 minutes:


    When I do debug with Qt Creator then the program works, it loads the image (.jpg) on the label. But when I put the .dll in debug folder then the image does not load anymore.
    Even through the Qt Creator, then I delete the folder and do debug by Qt Creator to work.

    Capture.jpg
    Last edited by danilodsp; 4th October 2011 at 14:34.
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  13. 4th October 2011, 19:56 #9
    danilodsp
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    Default Re: executable version

    I'm discovering something.
    I put my .exe in the folder:C:\QtSDK\Desktop\Qt\4.7.4\mingw\bin
    and it worked.
    It seems that there's something I need, I'll try to find out.

    Added after 14 minutes:


    YES!
    It's working.
    Thank you guys, I was copying some .dll (as mingwm10, libgcc_s_dw2-1, QtCored4 and QtGuid4) of other different folder. But it has to be all of:
    C:\QtSDK\Desktop\Qt\4.7.4\mingw\bin
    I found through of a post by Chris.
    Thank you.

    Note: does not need plugins imageformats to work.
    Last edited by danilodsp; 4th October 2011 at 19:56.
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  14. 5th October 2011, 01:36 #10
    ChrisW67
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    Default Re: executable version

    You were not putting the various plugins in the correct folder with respect to the program executable anyway.
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  15. 5th October 2011, 15:28 #11
    danilodsp
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    Default Re: executable version

    But now I have one problem.
    The program alone is working in my computer. For other computer, I have that copy all the .dll of the new computer.
    And not is working in computer without Qt.
    Last edited by danilodsp; 5th October 2011 at 16:01.
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