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How can I open openexr image on qt widget

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  • mrjjM Offline
    mrjjM Offline
    mrjj
    Lifetime Qt Champion
    wrote on last edited by
    #2

    Hi
    https://api.kde.org/frameworks/kimageformats/html/index.html
    Supports OpenEXR but as far as i know Qt does not naively support it.

    N 1 Reply Last reply
    3
    • mrjjM mrjj

      Hi
      https://api.kde.org/frameworks/kimageformats/html/index.html
      Supports OpenEXR but as far as i know Qt does not naively support it.

      N Offline
      N Offline
      Nathan Miguel
      wrote on last edited by
      #3

      @mrjj Thanks for the help, but you have some idea how to install this or use pq my cmake is giving error and decompression in the dependency list here

      mrjjM 1 Reply Last reply
      0
      • N Nathan Miguel

        @mrjj Thanks for the help, but you have some idea how to install this or use pq my cmake is giving error and decompression in the dependency list here

        mrjjM Offline
        mrjjM Offline
        mrjj
        Lifetime Qt Champion
        wrote on last edited by
        #4

        @Nathan-Miguel
        Hi
        https://community.kde.org/Guidelines_and_HOWTOs/Build_from_source/Details#kimageformats

        If you list the excact errors, im hopefull that someone can guess what is missing.

        You might need to install openEXR first so plugin can find it.

        N 1 Reply Last reply
        1
        • mrjjM mrjj

          @Nathan-Miguel
          Hi
          https://community.kde.org/Guidelines_and_HOWTOs/Build_from_source/Details#kimageformats

          If you list the excact errors, im hopefull that someone can guess what is missing.

          You might need to install openEXR first so plugin can find it.

          N Offline
          N Offline
          Nathan Miguel
          wrote on last edited by
          #5

          @mrjj I used msvs 15, 17 win 64

          0_1544445819960_02f9bf27-618c-4e5c-b4c1-d021640d8d8c-image.png

          The C compiler identification is MSVC 19.16.27024.1
          The CXX compiler identification is MSVC 19.16.27024.1
          Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe
          Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe -- works
          Detecting C compiler ABI info
          Detecting C compiler ABI info - done
          Detecting C compile features
          Detecting C compile features - done
          Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe
          Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe -- works
          Detecting CXX compiler ABI info
          Detecting CXX compiler ABI info - done
          Detecting CXX compile features
          Detecting CXX compile features - done
          Could NOT find ECM (missing: ECM_DIR)

          • ECM (required version >= 5.53.0), Extra CMake Modules., https://projects.kde.org/projects/kdesupport/extra-cmake-modules

          CMake Error at C:/Program Files/CMake/share/cmake-3.13/Modules/FeatureSummary.cmake:459 (message):
          feature_summary() Error: REQUIRED package(s) are missing, aborting CMake
          run.
          Call Stack (most recent call first):
          CMakeLists.txt:8 (feature_summary)

          Configuring incomplete, errors occurred!
          See also "C:/Git/kimageformats/build/CMakeFiles/CMakeOutput.log".

          1 Reply Last reply
          0
          • mrjjM Offline
            mrjjM Offline
            mrjj
            Lifetime Qt Champion
            wrote on last edited by mrjj
            #6

            @Nathan-Miguel said in How can I open openexr image on qt widget:

            Extra CMake Modules., https://projects.kde.org/projects/kdesupport/extra-cmake-modules

            It seems to want these also. But im not sure.
            something like

            git clone git://anongit.kde.org/extra-cmake-modules
            cd extra-cmake-modules
            mkdir build && cd build    
            cmake ..
            make && sudo make install
            

            but hold the horse a moment. Im only guessing so give it
            a few hours in case someone knows exactly if thats correct.

            Update:
            yep, should do it.

            N 1 Reply Last reply
            4
            • VRoninV Offline
              VRoninV Offline
              VRonin
              wrote on last edited by
              #7

              KDE requires their extra CMake modules. You can install them as any other KDE module

              For a guide on how to compile and use the libraries see https://forum.qt.io/post/377923

              "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
              ~Napoleon Bonaparte

              On a crusade to banish setIndexWidget() from the holy land of Qt

              N 1 Reply Last reply
              3
              • mrjjM mrjj

                @Nathan-Miguel said in How can I open openexr image on qt widget:

                Extra CMake Modules., https://projects.kde.org/projects/kdesupport/extra-cmake-modules

                It seems to want these also. But im not sure.
                something like

                git clone git://anongit.kde.org/extra-cmake-modules
                cd extra-cmake-modules
                mkdir build && cd build    
                cmake ..
                make && sudo make install
                

                but hold the horse a moment. Im only guessing so give it
                a few hours in case someone knows exactly if thats correct.

                Update:
                yep, should do it.

                N Offline
                N Offline
                Nathan Miguel
                wrote on last edited by
                #8

                @mrjj Sorry for the delay, but has some way to do this "make" on windows, because this seems to be compilavel so for linux

                1 Reply Last reply
                0
                • VRoninV VRonin

                  KDE requires their extra CMake modules. You can install them as any other KDE module

                  For a guide on how to compile and use the libraries see https://forum.qt.io/post/377923

                  N Offline
                  N Offline
                  Nathan Miguel
                  wrote on last edited by
                  #9

                  @VRonin @mrjj It worked out right here but now I'm with error in the qt files

                  The C compiler identification is MSVC 19.16.27024.1
                  The CXX compiler identification is MSVC 19.16.27024.1
                  Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe
                  Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe -- works
                  Detecting C compiler ABI info
                  Detecting C compiler ABI info - done
                  Detecting C compile features
                  Detecting C compile features - done
                  Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe
                  Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe -- works
                  Detecting CXX compiler ABI info
                  Detecting CXX compiler ABI info - done
                  Detecting CXX compile features
                  Detecting CXX compile features - done

                  No qmake Qt5 binary found. Can't check QT_INSTALL_PREFIX
                  Looking for GLIBC
                  Looking for GLIBC - not found
                  Could not set up the appstream test. appstreamcli is missing.
                  CMake Error at CMakeLists.txt:21 (find_package):
                  Could not find a package configuration file provided by "Qt5Gui" (requested
                  version 5.9.0) with any of the following names:

                  Qt5GuiConfig.cmake
                  qt5gui-config.cmake
                  

                  Add the installation prefix of "Qt5Gui" to CMAKE_PREFIX_PATH or set
                  "Qt5Gui_DIR" to a directory containing one of the above files. If "Qt5Gui"
                  provides a separate development package or SDK, be sure it has been
                  installed.

                  Configuring incomplete, errors occurred!
                  See also "C:/Git/kimageformats/build/CMakeFiles/CMakeOutput.log".
                  See also "C:/Git/kimageformats/build/CMakeFiles/CMakeError.log".

                  jsulmJ 1 Reply Last reply
                  0
                  • N Nathan Miguel

                    @VRonin @mrjj It worked out right here but now I'm with error in the qt files

                    The C compiler identification is MSVC 19.16.27024.1
                    The CXX compiler identification is MSVC 19.16.27024.1
                    Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe
                    Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe -- works
                    Detecting C compiler ABI info
                    Detecting C compiler ABI info - done
                    Detecting C compile features
                    Detecting C compile features - done
                    Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe
                    Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Tools/MSVC/14.16.27023/bin/Hostx86/x64/cl.exe -- works
                    Detecting CXX compiler ABI info
                    Detecting CXX compiler ABI info - done
                    Detecting CXX compile features
                    Detecting CXX compile features - done

                    No qmake Qt5 binary found. Can't check QT_INSTALL_PREFIX
                    Looking for GLIBC
                    Looking for GLIBC - not found
                    Could not set up the appstream test. appstreamcli is missing.
                    CMake Error at CMakeLists.txt:21 (find_package):
                    Could not find a package configuration file provided by "Qt5Gui" (requested
                    version 5.9.0) with any of the following names:

                    Qt5GuiConfig.cmake
                    qt5gui-config.cmake
                    

                    Add the installation prefix of "Qt5Gui" to CMAKE_PREFIX_PATH or set
                    "Qt5Gui_DIR" to a directory containing one of the above files. If "Qt5Gui"
                    provides a separate development package or SDK, be sure it has been
                    installed.

                    Configuring incomplete, errors occurred!
                    See also "C:/Git/kimageformats/build/CMakeFiles/CMakeOutput.log".
                    See also "C:/Git/kimageformats/build/CMakeFiles/CMakeError.log".

                    jsulmJ Offline
                    jsulmJ Offline
                    jsulm
                    Lifetime Qt Champion
                    wrote on last edited by
                    #10

                    @Nathan-Miguel I guess you need to use MinGW

                    https://forum.qt.io/topic/113070/qt-code-of-conduct

                    N 2 Replies Last reply
                    2
                    • jsulmJ jsulm

                      @Nathan-Miguel I guess you need to use MinGW

                      N Offline
                      N Offline
                      Nathan Miguel
                      wrote on last edited by
                      #11

                      @jsulm I used mingw but it gave an eros too.

                      The C compiler identification is unknown
                      The CXX compiler identification is unknown
                      CMake Error at CMakeLists.txt:3 (project):
                      The CMAKE_C_COMPILER:

                      cl
                      

                      is not a full path and was not found in the PATH.

                      To use the NMake generator with Visual C++, cmake must be run from a shell
                      that can use the compiler cl from the command line. This environment is
                      unable to invoke the cl compiler. To fix this problem, run cmake from the
                      Visual Studio Command Prompt (vcvarsall.bat).

                      Tell CMake where to find the compiler by setting either the environment
                      variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
                      the compiler, or to the compiler name if it is in the PATH.

                      CMake Error at CMakeLists.txt:3 (project):
                      The CMAKE_CXX_COMPILER:

                      cl
                      

                      is not a full path and was not found in the PATH.

                      To use the NMake generator with Visual C++, cmake must be run from a shell
                      that can use the compiler cl from the command line. This environment is
                      unable to invoke the cl compiler. To fix this problem, run cmake from the
                      Visual Studio Command Prompt (vcvarsall.bat).

                      Tell CMake where to find the compiler by setting either the environment
                      variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
                      to the compiler, or to the compiler name if it is in the PATH.

                      Configuring incomplete, errors occurred!
                      See also "C:/Git/kimageformats/build/CMakeFiles/CMakeOutput.log".
                      See also "C:/Git/kimageformats/build/CMakeFiles/CMakeError.log".

                      1 Reply Last reply
                      0
                      • jsulmJ jsulm

                        @Nathan-Miguel I guess you need to use MinGW

                        N Offline
                        N Offline
                        Nathan Miguel
                        wrote on last edited by
                        #12

                        @jsulm @mrjj @VRonin is almost, I just need to find this folder that is highlighted and know how to include openexr libraries

                        0_1544455619120_be69ec44-c472-4c01-8856-6506abcb4921-image.png

                        Could not set up the appstream test. appstreamcli is missing.
                        CMake Warning at CMakeLists.txt:23 (find_package):
                        By not providing "FindKF5Archive.cmake" in CMAKE_MODULE_PATH this project
                        has asked CMake to find a package configuration file provided by
                        "KF5Archive", but CMake did not find one.

                        Could not find a package configuration file provided by "KF5Archive" with
                        any of the following names:

                        KF5ArchiveConfig.cmake
                        kf5archive-config.cmake
                        

                        Add the installation prefix of "KF5Archive" to CMAKE_PREFIX_PATH or set
                        "KF5Archive_DIR" to a directory containing one of the above files. If
                        "KF5Archive" provides a separate development package or SDK, be sure it has
                        been installed.

                        Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE)
                        Could NOT find OpenEXR (missing: OpenEXR_ILMIMF_LIBRARY OpenEXR_HALF_LIBRARY OpenEXR_IEX_LIBRARY OpenEXR_IMATH_LIBRARY OpenEXR_ILMTHREAD_LIBRARY OpenEXR_INCLUDE_DIR)
                        The following REQUIRED packages have been found:

                        • ECM (required version >= 5.53.0), Extra CMake Modules., https://projects.kde.org/projects/kdesupport/extra-cmake-modules
                        • Qt5Gui (required version >= 5.9.0)

                        -- The following OPTIONAL packages have not been found:

                        • KF5Archive
                          Required for the QImage plugin for Krita and OpenRaster images
                        • PkgConfig
                        • OpenEXR, A library for handling OpenEXR high dynamic-range image files, http://www.openexr.com/
                          Required for the QImage plugin for OpenEXR images

                        Configuring done
                        Generating done

                        1 Reply Last reply
                        1
                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #13

                          Did you get OpenEXR first ?

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                          N 1 Reply Last reply
                          3
                          • VRoninV Offline
                            VRoninV Offline
                            VRonin
                            wrote on last edited by
                            #14

                            It worked out right here but now I'm with error in the qt files
                            No qmake Qt5 binary found. Can't check QT_INSTALL_PREFIX

                            You need to run qtenv2.bat as explained in the link I posted

                            but has some way to do this "make" on windows

                            Once you selected the right generator just call cmake --build . (don't forget the dot at the end) and CMake will automatically call the correct build tool

                            Could not find a package configuration file provided by "KF5Archive" with

                            weird, KArchive is not listed as a dependency for KImageFormats. In any case it's a Tier1 Module of KDE

                            The following OPTIONAL packages have not been found:

                            KF5Archive
                            

                            so it's just optional, cool.

                            P.S.
                            In my experience CMake GUI messed up my config more than it helped me build projects, I find it easier just doing it via the terminal

                            "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
                            ~Napoleon Bonaparte

                            On a crusade to banish setIndexWidget() from the holy land of Qt

                            1 Reply Last reply
                            4
                            • SGaistS SGaist

                              Did you get OpenEXR first ?

                              N Offline
                              N Offline
                              Nathan Miguel
                              wrote on last edited by
                              #15

                              @SGaist Well I'm finishing compiling the remaining dependencies, but the only thing that gave me error was to install the fade pro python library "https://stefanseefeld.github.io/faber" I performed all the right steps but the system can not find directory or error on line 139

                              1 Reply Last reply
                              0
                              • SGaistS Offline
                                SGaistS Offline
                                SGaist
                                Lifetime Qt Champion
                                wrote on last edited by
                                #16

                                Can you give more details about what you did and what failed ?

                                Interested in AI ? www.idiap.ch
                                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                                N 3 Replies Last reply
                                1
                                • SGaistS SGaist

                                  Can you give more details about what you did and what failed ?

                                  N Offline
                                  N Offline
                                  Nathan Miguel
                                  wrote on last edited by VRonin
                                  #17

                                  @SGaist

                                  CMAKE TERMINAL:

                                  PS C:\Git\openexr\build> cmake --build .
                                  [  0%] Built target eLut
                                  [  1%] Built target toFloat
                                  [  1%] Built target Half
                                  [  2%] Built target Half_static
                                  [  2%] Built target Iex
                                  [  3%] Built target Iex_static
                                  [  4%] Building CXX object IlmBase/IexMath/CMakeFiles/IexMath.dir/IexMathFloatExc.cpp.obj
                                  In file included from C:/Git/openexr/IlmBase/Iex/IexMathExc.h:40:0,
                                                   from C:/Git/openexr/IlmBase/IexMath/IexMathFloatExc.h:58,
                                                   from C:\Git\openexr\IlmBase\IexMath\IexMathFloatExc.cpp:43:
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:149:29: error: function 'Iex_2_3::ArgExc::ArgExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ArgExc, BaseExc)    // Invalid arguments to a function call
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:149:29: error: function 'Iex_2_3::ArgExc::ArgExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ArgExc, BaseExc)    // Invalid arguments to a function call
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:149:29: error: function 'Iex_2_3::ArgExc::ArgExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ArgExc, BaseExc)    // Invalid arguments to a function call
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:149:29: error: function 'Iex_2_3::ArgExc::ArgExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ArgExc, BaseExc)    // Invalid arguments to a function call
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::ArgExc::~ArgExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:149:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, ArgExc, BaseExc)    // Invalid arguments to a function call
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:151:29: error: function 'Iex_2_3::LogicExc::LogicExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, LogicExc, BaseExc)  // General error in a program's logic,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:151:29: error: function 'Iex_2_3::LogicExc::LogicExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, LogicExc, BaseExc)  // General error in a program's logic,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:151:29: error: function 'Iex_2_3::LogicExc::LogicExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, LogicExc, BaseExc)  // General error in a program's logic,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:151:29: error: function 'Iex_2_3::LogicExc::LogicExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, LogicExc, BaseExc)  // General error in a program's logic,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::LogicExc::~LogicExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:151:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, LogicExc, BaseExc)  // General error in a program's logic,
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:156:29: error: function 'Iex_2_3::InputExc::InputExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, InputExc, BaseExc)  // Invalid input data, e.g. from a file
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:156:29: error: function 'Iex_2_3::InputExc::InputExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, InputExc, BaseExc)  // Invalid input data, e.g. from a file
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:156:29: error: function 'Iex_2_3::InputExc::InputExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, InputExc, BaseExc)  // Invalid input data, e.g. from a file
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:156:29: error: function 'Iex_2_3::InputExc::InputExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, InputExc, BaseExc)  // Invalid input data, e.g. from a file
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::InputExc::~InputExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:156:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, InputExc, BaseExc)  // Invalid input data, e.g. from a file
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:158:29: error: function 'Iex_2_3::IoExc::IoExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, IoExc, BaseExc)     // Input or output operation failed
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:158:29: error: function 'Iex_2_3::IoExc::IoExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, IoExc, BaseExc)     // Input or output operation failed
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:158:29: error: function 'Iex_2_3::IoExc::IoExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, IoExc, BaseExc)     // Input or output operation failed
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:158:29: error: function 'Iex_2_3::IoExc::IoExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, IoExc, BaseExc)     // Input or output operation failed
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::IoExc::~IoExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:158:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, IoExc, BaseExc)     // Input or output operation failed
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:160:29: error: function 'Iex_2_3::MathExc::MathExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, MathExc, BaseExc)  // Arithmetic exception; more specific
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:160:29: error: function 'Iex_2_3::MathExc::MathExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, MathExc, BaseExc)  // Arithmetic exception; more specific
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:160:29: error: function 'Iex_2_3::MathExc::MathExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, MathExc, BaseExc)  // Arithmetic exception; more specific
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:160:29: error: function 'Iex_2_3::MathExc::MathExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, MathExc, BaseExc)  // Arithmetic exception; more specific
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::MathExc::~MathExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:160:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, MathExc, BaseExc)  // Arithmetic exception; more specific
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:164:29: error: function 'Iex_2_3::ErrnoExc::ErrnoExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ErrnoExc, BaseExc)  // Base class for exceptions corresponding
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:164:29: error: function 'Iex_2_3::ErrnoExc::ErrnoExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ErrnoExc, BaseExc)  // Base class for exceptions corresponding
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:164:29: error: function 'Iex_2_3::ErrnoExc::ErrnoExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ErrnoExc, BaseExc)  // Base class for exceptions corresponding
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:164:29: error: function 'Iex_2_3::ErrnoExc::ErrnoExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, ErrnoExc, BaseExc)  // Base class for exceptions corresponding
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::ErrnoExc::~ErrnoExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:164:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, ErrnoExc, BaseExc)  // Base class for exceptions corresponding
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:169:29: error: function 'Iex_2_3::NoImplExc::NoImplExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NoImplExc, BaseExc) // Missing method exception e.g. from a
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:169:29: error: function 'Iex_2_3::NoImplExc::NoImplExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NoImplExc, BaseExc) // Missing method exception e.g. from a
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:169:29: error: function 'Iex_2_3::NoImplExc::NoImplExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NoImplExc, BaseExc) // Missing method exception e.g. from a
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:169:29: error: function 'Iex_2_3::NoImplExc::NoImplExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NoImplExc, BaseExc) // Missing method exception e.g. from a
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::NoImplExc::~NoImplExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:169:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, NoImplExc, BaseExc) // Missing method exception e.g. from a
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:175:29: error: function 'Iex_2_3::NullExc::NullExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NullExc, BaseExc)   // A pointer is inappropriately null.
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:175:29: error: function 'Iex_2_3::NullExc::NullExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NullExc, BaseExc)   // A pointer is inappropriately null.
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:175:29: error: function 'Iex_2_3::NullExc::NullExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NullExc, BaseExc)   // A pointer is inappropriately null.
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:175:29: error: function 'Iex_2_3::NullExc::NullExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, NullExc, BaseExc)   // A pointer is inappropriately null.
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::NullExc::~NullExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:175:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, NullExc, BaseExc)   // A pointer is inappropriately null.
                                   ^~~~~~~~~~~~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:177:29: error: function 'Iex_2_3::TypeExc::TypeExc()' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, TypeExc, BaseExc)   // An object is an inappropriate type,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:135:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name()                         throw(): base (0)    {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:177:29: error: function 'Iex_2_3::TypeExc::TypeExc(const char*)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, TypeExc, BaseExc)   // An object is an inappropriate type,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:136:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const char* text)        throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:177:29: error: function 'Iex_2_3::TypeExc::TypeExc(const string&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, TypeExc, BaseExc)   // An object is an inappropriate type,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:137:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (const std::string &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:177:29: error: function 'Iex_2_3::TypeExc::TypeExc(std::stringstream&)' definition is marked dllimport
                                   DEFINE_EXC_EXP (IEX_EXPORT, TypeExc, BaseExc)   // An object is an inappropriate type,
                                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:138:13: note: in definition of macro 'DEFINE_EXC_EXP'
                                           exp name (std::stringstream &text) throw(): base (text) {}  \
                                               ^~~~
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:139:13: error: function 'Iex_2_3::TypeExc::~TypeExc()' definition is marked dllimport
                                           exp ~name() throw() { }                                     \
                                               ^
                                  C:/Git/openexr/IlmBase/Iex/IexBaseExc.h:177:1: note: in expansion of macro 'DEFINE_EXC_EXP'
                                   DEFINE_EXC_EXP (IEX_EXPORT, TypeExc, BaseExc)   // An object is an inappropriate type,
                                   ^~~~~~~~~~~~~~
                                  IlmBase\IexMath\CMakeFiles\IexMath.dir\build.make:62: recipe for target 'IlmBase/IexMath/CMakeFiles/IexMath.dir/IexMathFloatExc.cpp.obj' failed
                                  mingw32-make.exe[2]: *** [IlmBase/IexMath/CMakeFiles/IexMath.dir/IexMathFloatExc.cpp.obj] Error 1
                                  CMakeFiles\Makefile2:1294: recipe for target 'IlmBase/IexMath/CMakeFiles/IexMath.dir/all' failed
                                  mingw32-make.exe[1]: *** [IlmBase/IexMath/CMakeFiles/IexMath.dir/all] Error 2
                                  Makefile:161: recipe for target 'all' failed
                                  mingw32-make.exe: *** [all] Error 2
                                  
                                  CMAKE GUI 
                                  
                                  CMake Warning at CMakeLists.txt:143 (message):
                                    Viewers are currently out of order.  Building anyway
                                  
                                  
                                  Found OpenGL: opengl32   
                                  Could NOT find FLTK (missing: FLTK_LIBRARIES FLTK_INCLUDE_DIR) 
                                  CMake Warning at CMakeLists.txt:147 (message):
                                    FLTK not found, exrdisplay will not be built
                                  
                                  
                                  ILMBASE_PACKAGE_PREFIX = C:/Program Files (x86)/OpenEXR
                                  INFO,Skipping Python bindings
                                  INFO,Skipping OpenEXR Viewers
                                  Configuring done
                                  Generating done
                                  
                                  1 Reply Last reply
                                  0
                                  • SGaistS SGaist

                                    Can you give more details about what you did and what failed ?

                                    N Offline
                                    N Offline
                                    Nathan Miguel
                                    wrote on last edited by
                                    #18

                                    @SGaist I also try to compile without selecting these options python lib and openexr viewer as well as in the image. python was because I could not install the "Faber" and the viewer was because I could not install the fltk tbm

                                    0_1544561882581_b9d74928-2620-44ed-adbe-646b3994041a-image.png

                                    1 Reply Last reply
                                    0
                                    • SGaistS SGaist

                                      Can you give more details about what you did and what failed ?

                                      N Offline
                                      N Offline
                                      Nathan Miguel
                                      wrote on last edited by Nathan Miguel
                                      #19

                                      @SGaist If you have a problem with linux on linux, I would like to install linux on linux, because it is horrible to program on windows in C ++ on my opinion

                                      SGaistS 1 Reply Last reply
                                      0
                                      • N Nathan Miguel

                                        @SGaist If you have a problem with linux on linux, I would like to install linux on linux, because it is horrible to program on windows in C ++ on my opinion

                                        SGaistS Offline
                                        SGaistS Offline
                                        SGaist
                                        Lifetime Qt Champion
                                        wrote on last edited by
                                        #20

                                        @Nathan-Miguel said in How can I open openexr image on qt widget:

                                        @SGaist If you have a problem with linux on linux, I would like to install linux on linux, because it is horrible to program on windows in C ++ on my opinion

                                        Install Linux on Linux ? What do you mean by that ?

                                        In any case, you don't really need the viewer since you want to use Qt to show the images.

                                        Interested in AI ? www.idiap.ch
                                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                                        N 3 Replies Last reply
                                        1
                                        • SGaistS SGaist

                                          @Nathan-Miguel said in How can I open openexr image on qt widget:

                                          @SGaist If you have a problem with linux on linux, I would like to install linux on linux, because it is horrible to program on windows in C ++ on my opinion

                                          Install Linux on Linux ? What do you mean by that ?

                                          In any case, you don't really need the viewer since you want to use Qt to show the images.

                                          N Offline
                                          N Offline
                                          Nathan Miguel
                                          wrote on last edited by VRonin
                                          #21

                                          @SGaist sorry for my keyboard and brazil, sometimes it fixes the errors alone, but what I wanted to say and if it would be easier to program this in linux and if you have how to compile windows files direct in linux. But continuing, where I can find this "FLTK_GL_LIBRARY", and about python it seems that cmake is using 2.7 and not the 3.7 to install the python boost.

                                          CMake Warning at CMakeLists.txt: 143 (message):
                                             Viewers are currently out of order. Building anyway
                                          
                                          
                                          ILMBASE_PACKAGE_PREFIX = C: / Program Files (x86) / OpenEXR
                                          INFO, Skipping Python bindings
                                          OPENEXR_PACKAGE_PREFIX =
                                          CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
                                          Please make them or make sure they are set and tested correctly in the CMake files:
                                          FLTK_GL_LIBRARY
                                               linked by target "exrdisplay" in directory C: / Git / openexr / OpenEXR_Viewers / exrdisplay
                                          
                                          Configuring incomplete, errors occurred!
                                          See also "C: /Git/openexr/build/CMakeFiles/CMakeOutput.log".
                                          
                                          1 Reply Last reply
                                          0

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