[digikam] [Bug 355076] New: opencvfacedetector.cpp compile fails with opencv-3.0.0

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https://bugs.kde.org/show_bug.cgi?id=355076

            Bug ID: 355076
           Summary: opencvfacedetector.cpp compile fails with opencv-3.0.0
           Product: digikam
           Version: 5.0.0
          Platform: Other
                OS: other
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: Faces-Engine
          Assignee: [hidden email]
          Reporter: [hidden email]

/var/git/qt5/kde5-apps/digikam/libs/facesengine/detection/opencvfacedetector.cpp:115:1:
error: expected class-name before '{' token
 {
 ^
/var/git/qt5/kde5-apps/digikam/libs/facesengine/detection/opencvfacedetector.cpp:
In constructor 'FacesEngine::Cascade::Cascade(const QStringList&, const
QString&)':
/var/git/qt5/kde5-apps/digikam/libs/facesengine/detection/opencvfacedetector.cpp:132:37:
error: 'load' was not declared in this scope
         if (!load(file.toStdString()))
                                     ^
/var/git/qt5/kde5-apps/digikam/libs/facesengine/detection/opencvfacedetector.cpp:
In member function 'QList<QRect>
FacesEngine::OpenCVFaceDetector::cascadeResult(const cv::Mat&,
FacesEngine::Cascade&, const FacesEngine::DetectObjectParameters&) const':
/var/git/qt5/kde5-apps/digikam/libs/facesengine/detection/opencvfacedetector.cpp:448:17:
error: 'class FacesEngine::Cascade' has no member named 'empty'
     if (cascade.empty())
                 ^
/var/git/qt5/kde5-apps/digikam/libs/facesengine/detection/opencvfacedetector.cpp:464:13:
error: 'class FacesEngine::Cascade' has no member named 'detectMultiScale'
     cascade.detectMultiScale(inputImage, faces,
             ^


cmake reports:

-- First try at finding OpenCV...
-- Great, found OpenCV on the first try.
-- OpenCV Root directory is: /opt/qt5/share/OpenCV
-- OpenCV: Found version 3.0.0 (required: 3.0.0)
-- OpenCV headers: /opt/qt5/include/opencv;/opt/qt5/include
-- OpenCV libs   :
opencv_core;opencv_face;opencv_highgui;opencv_objdetect;opencv_imgproc



Incidentally, need to explicitly search for face module with opencv-3

Reproducible: Always

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https://bugs.kde.org/show_bug.cgi?id=355076

--- Comment #1 from [hidden email] ---
Git commit 1888426f573739f3afa802182916ca3cc5e6c3d8 by Gilles Caulier.
Committed on 09/11/2015 at 14:25.
Pushed by cgilles into branch 'master'.

opencv3 face component is mandatory to compile digiKam 5.0.0

M  +1    -1    CMakeLists.txt

http://commits.kde.org/digikam/1888426f573739f3afa802182916ca3cc5e6c3d8

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--- Comment #2 from [hidden email] ---
Git commit 1942121374a419cff069479a1b6d3446dcca915b by Gilles Caulier.
Committed on 09/11/2015 at 14:29.
Pushed by cgilles into branch 'master'.

Specified OpenCV modules are always mandatory

M  +1    -1    cmake/modules/MacroOpenCV.cmake

http://commits.kde.org/digikam/1942121374a419cff069479a1b6d3446dcca915b

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[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED
   Version Fixed In|                            |5.0.0
                 CC|                            |[hidden email]

--- Comment #3 from [hidden email] ---
The OpenCV3::Face component required to compile digiKam 5.x is available in
Opencv_Contrib module. OpenCV3 must be compiled with this extra contrib module.

Opencv_Contrib is avaialble here :

https://github.com/Itseez/opencv_contrib

Gilles Caulier

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--- Comment #4 from [hidden email] ---
Git commit b400f57f7c457b0bac5ea3d4fd39fbde0c5e11e5 by Gilles Caulier.
Committed on 09/11/2015 at 21:31.
Pushed by cgilles into branch 'master'.

we don't need opencv3::face contrib module. This one is now integrated in
FaceEngines as well.
As usual, OpenCV make the puzzle. With version 3, and all the contrib modules
never released as a dedicated tarball,
this code will stay in beta stage for a while. This is not a safe situation, if
OpenCV3 packager do not integrate face module in standard.
The OpenCV3::face implementation is just adated to be compiled outside the
contrib structure, that all...

M  +1    -1    CMakeLists.txt
M  +3    -1    app/utils/libopencv.h.cmake.in
M  +16   -1    libs/facesengine/CMakeLists.txt
A  +147  -0    libs/facesengine/opencv3-face/eigen_faces.cpp     [License:
Public Domain]
A  +360  -0    libs/facesengine/opencv3-face/face.hpp     [License: Unknown
license]  *
A  +177  -0    libs/facesengine/opencv3-face/face_basic.hpp     [License:
UNKNOWN]  *
A  +78   -0    libs/facesengine/opencv3-face/facerec.cpp     [License: Public
Domain]
A  +168  -0    libs/facesengine/opencv3-face/facerec.hpp     [License: UNKNOWN]
 *
A  +167  -0    libs/facesengine/opencv3-face/fisher_faces.cpp     [License:
Public Domain]
A  +435  -0    libs/facesengine/opencv3-face/lbph_faces.cpp     [License:
Public Domain]
A  +58   -0    libs/facesengine/opencv3-face/precomp.hpp     [License: Unknown
license]  *
M  +4    -0    libs/facesengine/recognition-opencv-lbph/facerec_borrowed.h

The files marked with a * at the end have a non valid license. Please read:
http://techbase.kde.org/Policies/Licensing_Policy and use the headers which are
listed at that page.


http://commits.kde.org/digikam/b400f57f7c457b0bac5ea3d4fd39fbde0c5e11e5

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