Merge pull request opencv#1330 from lenlen:plantuml

Author: Roman Donchenko

CMakeLists.txt

@@ -840,6 +840,7 @@ if(BUILD_DOCS)
   endif()
   status("    Sphinx:"              HAVE_SPHINX              THEN "${SPHINX_BUILD} (ver ${SPHINX_VERSION})" ELSE NO)
   status("    PdfLaTeX compiler:"   PDFLATEX_COMPILER        THEN "${PDFLATEX_COMPILER}" ELSE NO)
+  status("    PlantUML:"            PLANTUML                 THEN "${PLANTUML}" ELSE NO)
 endif()
 
 # ========================== samples and tests ==========================

cmake/OpenCVDetectPython.cmake

@@ -78,6 +78,7 @@ endif()
 
 if(BUILD_DOCS)
   find_host_program(SPHINX_BUILD sphinx-build)
+  find_host_program(PLANTUML plantuml)
   if(SPHINX_BUILD)
       execute_process(COMMAND "${SPHINX_BUILD}"
                       OUTPUT_QUIET

doc/CMakeLists.txt

@@ -67,9 +67,14 @@ if(BUILD_DOCS AND HAVE_SPHINX)
   set(OPENCV_DOC_DEPS conf.py ${OPENCV_FILES_REF} ${OPENCV_FILES_REF_PICT}
            ${OPENCV_FILES_UG} ${OPENCV_FILES_TUT} ${OPENCV_FILES_TUT_PICT})
 
+  set(BUILD_PLANTUML "")
+  if(PLANTUML)
+    set(BUILD_PLANTUML "-tplantuml")
+  endif()
+
   if(PDFLATEX_COMPILER)
     add_custom_target(docs
-      COMMAND ${SPHINX_BUILD} -b latex -c ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/.. .
+      COMMAND ${SPHINX_BUILD} ${BUILD_PLANTUML} -b latex -c ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/.. .
       COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/pics ${CMAKE_CURRENT_BINARY_DIR}/doc/opencv1/pics
       COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/mymath.sty ${CMAKE_CURRENT_BINARY_DIR}
       COMMAND ${PYTHON_EXECUTABLE} "${CMAKE_CURRENT_SOURCE_DIR}/patch_refman_latex.py" opencv2refman.tex
@@ -103,7 +108,7 @@ if(BUILD_DOCS AND HAVE_SPHINX)
   endif()
 
   add_custom_target(html_docs
-    COMMAND ${SPHINX_BUILD} -b html -c ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/.. ./_html
+    COMMAND ${SPHINX_BUILD} ${BUILD_PLANTUML} -b html -c ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/.. ./_html
     COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/mymath.sty ${CMAKE_CURRENT_BINARY_DIR}
     DEPENDS ${OPENCV_DOC_DEPS}
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}

doc/conf.py

@@ -28,6 +28,16 @@
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = ['sphinx.ext.pngmath', 'sphinx.ext.ifconfig', 'sphinx.ext.todo', 'sphinx.ext.extlinks', 'ocv', 'sphinx.ext.doctest']
+
+have_plantuml_ext = False
+if tags.has('plantuml'):
+  try:
+    import sphinxcontrib.plantuml
+    extensions.append("sphinxcontrib.plantuml")
+    have_plantuml_ext = True
+  except ImportError:
+    print "No module sphinxcontrib.plantuml found, sphinx will not render UML diagrams"
+
 doctest_test_doctest_blocks = 'block'
 
 # Add any paths that contain templates here, relative to this directory.
@@ -79,6 +89,9 @@
 # directories to ignore when looking for source files.
 exclude_patterns = ['doc/tutorials/definitions']
 
+if not have_plantuml_ext:
+  exclude_patterns.append('**/uml/*')
+
 # The reST default role (used for this markup: `text`) to use for all documents.
 #default_role = None