# ---------------------------------------------------------------------------- # CMake file for java support # ---------------------------------------------------------------------------- if(IOS OR NOT PYTHON_EXECUTABLE OR NOT ANT_EXECUTABLE OR NOT (JNI_FOUND OR (ANDROID AND ANDROID_NATIVE_API_LEVEL GREATER 7))) ocv_module_disable(java) endif() set(the_description "The java bindings") ocv_add_module(java BINDINGS opencv_core opencv_imgproc OPTIONAL opencv_objdetect opencv_features2d opencv_video opencv_highgui opencv_ml opencv_calib3d opencv_photo opencv_nonfree opencv_contrib) ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp") if(NOT ANDROID) include_directories(${JNI_INCLUDE_DIRS}) endif() # output locations set(JAVA_INSTALL_ROOT "sdk/java") set(JNI_INSTALL_ROOT "sdk/native") # get list of modules to wrap string(REPLACE "opencv_" "" OPENCV_JAVA_MODULES "${OPENCV_MODULE_${the_module}_REQ_DEPS};${OPENCV_MODULE_${the_module}_OPT_DEPS}") foreach(module ${OPENCV_JAVA_MODULES}) if(NOT HAVE_opencv_${module}) list(REMOVE_ITEM OPENCV_JAVA_MODULES ${module}) endif() endforeach() ###################################################################################################################################### # scripts set(scripts_gen_java "${CMAKE_CURRENT_SOURCE_DIR}/generator/gen_java.py") set(scripts_hdr_parser "${CMAKE_CURRENT_SOURCE_DIR}/../python/src2/hdr_parser.py") set(scripts_gen_javadoc "${CMAKE_CURRENT_SOURCE_DIR}/generator/gen_javadoc.py") set(scripts_rst_parser "${CMAKE_CURRENT_SOURCE_DIR}/generator/rst_parser.py") # handwritten C/C++ and Java sources file(GLOB handwrittren_h_sources "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp/*.h" "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp/*.hpp") file(GLOB handwrittren_cpp_sources "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp/*.cpp") file(GLOB handwrittren_java_sources "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/java/*.java") file(GLOB handwrittren_aidl_sources "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/java/*.aidl") if(NOT ANDROID) ocv_list_filterout(handwrittren_java_sources "/(engine|android)\\\\+") ocv_list_filterout(handwrittren_aidl_sources "/(engine|android)\\\\+") else() file(GLOB_RECURSE handwrittren_lib_project_files_rel RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/" "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/*") list(REMOVE_ITEM handwrittren_lib_project_files_rel "${ANDROID_MANIFEST_FILE}") endif() # headers of OpenCV modules set(opencv_public_headers "") foreach(module ${OPENCV_JAVA_MODULES}) # get list of module headers if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/generator/config/${module}.filelist") file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/generator/config/${module}.filelist" module_headers) ocv_list_add_prefix(module_headers "${OPENCV_MODULE_opencv_${module}_LOCATION}/") else() set(module_headers "${OPENCV_MODULE_opencv_${module}_HEADERS}") endif() if(module_headers) # C headers must go first set(module_headers_cpp ${module_headers}) ocv_list_filterout(module_headers_cpp "\\\\.h$") if(module_headers_cpp) list(REMOVE_ITEM module_headers ${module_headers_cpp}) list(APPEND module_headers ${module_headers_cpp}) endif() unset(module_headers_cpp) set(opencv_public_headers_${module} ${module_headers}) list(APPEND opencv_public_headers ${module_headers}) else() list(REMOVE_ITEM OPENCV_JAVA_MODULES ${module}) endif() endforeach() # rst documentation used for javadoc generation set(javadoc_rst_sources "") foreach(module ${OPENCV_JAVA_MODULES}) file(GLOB_RECURSE refman_rst_headers "${OPENCV_MODULE_opencv_${module}_LOCATION}/*.rst") list(APPEND javadoc_rst_sources ${refman_rst_headers}) endforeach() # generated cpp files set(generated_cpp_sources "") foreach(module ${OPENCV_JAVA_MODULES}) list(APPEND generated_cpp_sources "${CMAKE_CURRENT_BINARY_DIR}/${module}.cpp") endforeach() # IMPORTANT: add dependencies to cmake (we should rerun cmake if any of these files is modified) configure_file("${scripts_gen_java}" "${OpenCV_BINARY_DIR}/junk/gen_java.junk" COPYONLY) configure_file("${scripts_hdr_parser}" "${OpenCV_BINARY_DIR}/junk/hdr_parser.junk" COPYONLY) foreach(header ${opencv_public_headers}) get_filename_component(header_name "${header}" NAME) configure_file("${header}" "${OpenCV_BINARY_DIR}/junk/${header_name}.junk" COPYONLY) endforeach() # generated java files set(generated_java_sources "") foreach(module ${OPENCV_JAVA_MODULES}) # first run of gen_java.py (to get list of generated files) file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out/") file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out") execute_process(COMMAND ${PYTHON_EXECUTABLE} "${scripts_gen_java}" "${scripts_hdr_parser}" ${module} ${opencv_public_headers_${module}} WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out" OUTPUT_QUIET ERROR_QUIET) unset(generated_java_sources_${module}) file(GLOB_RECURSE generated_java_sources_${module} RELATIVE "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out/" "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out/*.java") ocv_list_add_prefix(generated_java_sources_${module} "${CMAKE_CURRENT_BINARY_DIR}/") list(APPEND generated_java_sources ${generated_java_sources_${module}}) endforeach() # generated java files with javadoc set(documented_java_files "") foreach(java_file ${generated_java_sources} ${handwrittren_java_sources}) get_filename_component(java_file_name "${java_file}" NAME_WE) list(APPEND documented_java_files "${CMAKE_CURRENT_BINARY_DIR}/${java_file_name}-jdoc.java") endforeach() ###################################################################################################################################### # step 1: generate .cpp/.java from OpenCV headers set(step1_depends "${scripts_gen_java}" "${scripts_hdr_parser}" ${opencv_public_headers}) foreach(module ${OPENCV_JAVA_MODULES}) # second run of gen_java.py (at build time) add_custom_command(OUTPUT ${generated_java_sources_${module}} "${CMAKE_CURRENT_BINARY_DIR}/${module}.cpp" COMMAND ${PYTHON_EXECUTABLE} "${scripts_gen_java}" "${scripts_hdr_parser}" ${module} ${opencv_public_headers_${module}} WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} DEPENDS "${scripts_gen_java}" "${scripts_hdr_parser}" ${opencv_public_headers_${module}} ) endforeach() # step 2: generate javadoc comments set(step2_depends ${step1_depends} ${scripts_gen_javadoc} ${scripts_rst_parser} ${javadoc_rst_sources} ${generated_java_sources} ${handwrittren_java_sources}) string(REPLACE ";" "," OPENCV_JAVA_MODULES_STR "${OPENCV_JAVA_MODULES}") add_custom_command(OUTPUT ${documented_java_files} COMMAND ${PYTHON_EXECUTABLE} "${scripts_gen_javadoc}" --modules ${OPENCV_JAVA_MODULES_STR} "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/java" "${CMAKE_CURRENT_BINARY_DIR}" 2>"${CMAKE_CURRENT_BINARY_DIR}/get_javadoc_errors.log" WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} DEPENDS ${step2_depends} ) # step 3: copy files to destination set(step3_input_files ${documented_java_files} ${handwrittren_aidl_sources}) set(copied_files "") foreach(java_file ${step3_input_files}) get_filename_component(java_file_name "${java_file}" NAME) string(REPLACE "-jdoc.java" ".java" java_file_name "${java_file_name}") string(REPLACE "+" "/" java_file_name "${java_file_name}") set(output_name "${OpenCV_BINARY_DIR}/src/org/opencv/${java_file_name}") add_custom_command(OUTPUT "${output_name}" COMMAND ${CMAKE_COMMAND} -E copy "${java_file}" "${output_name}" MAIN_DEPENDENCY "${java_file}" DEPENDS ${step2_depends} COMMENT "Generating src/org/opencv/${java_file_name}" ) list(APPEND copied_files "${output_name}") if(ANDROID) get_filename_component(install_subdir "${java_file_name}" PATH) install(FILES "${output_name}" DESTINATION "${JAVA_INSTALL_ROOT}/src/org/opencv/${install_subdir}" COMPONENT main) endif() endforeach() if(ANDROID) set(android_copied_files "") set(android_step3_input_files "") foreach(file ${handwrittren_lib_project_files_rel}) configure_file("${CMAKE_CURRENT_SOURCE_DIR}/android_lib/${file}" "${OpenCV_BINARY_DIR}/${file}" @ONLY) list(APPEND android_copied_files "${OpenCV_BINARY_DIR}/${file}") list(APPEND android_step3_input_files "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/${file}") if(NOT file MATCHES "jni/.+") get_filename_component(install_subdir "${file}" PATH) install(FILES "${OpenCV_BINARY_DIR}/${file}" DESTINATION "${JAVA_INSTALL_ROOT}/${install_subdir}" COMPONENT main) endif() endforeach() # library project jni sources (nothing really depends on them so we will not add them to step3_input_files) foreach(jni_file ${handwrittren_cpp_sources} ${handwrittren_h_sources} ${generated_cpp_sources}) get_filename_component(jni_file_name "${jni_file}" NAME) add_custom_command(OUTPUT "${OpenCV_BINARY_DIR}/jni/${jni_file_name}" COMMAND ${CMAKE_COMMAND} -E copy "${jni_file}" "${OpenCV_BINARY_DIR}/jni/${jni_file_name}" DEPENDS "${jni_file}" ${java_hdr_deps} COMMENT "Generating jni/${jni_file_name}" ) list(APPEND android_copied_files "${OpenCV_BINARY_DIR}/jni/${jni_file_name}") endforeach() endif(ANDROID) # step 3.5: generate Android library project if(ANDROID AND ANDROID_EXECUTABLE) set(lib_target_files ${ANDROID_LIB_PROJECT_FILES}) ocv_list_add_prefix(lib_target_files "${OpenCV_BINARY_DIR}/") android_get_compatible_target(lib_target_sdk_target ${ANDROID_NATIVE_API_LEVEL} ${ANDROID_SDK_TARGET} 14) configure_file("${CMAKE_CURRENT_SOURCE_DIR}/android_lib/${ANDROID_MANIFEST_FILE}" "${CMAKE_CURRENT_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" @ONLY) add_custom_command(OUTPUT ${lib_target_files} "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" COMMAND ${CMAKE_COMMAND} -E remove ${lib_target_files} COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" COMMAND ${ANDROID_EXECUTABLE} --silent create lib-project --path \"${OpenCV_BINARY_DIR}\" --target \"${lib_target_sdk_target}\" --name OpenCV --package org.opencv 2>\"${CMAKE_CURRENT_BINARY_DIR}/create_lib_project.log\" COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" MAIN_DEPENDENCY "${CMAKE_CURRENT_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" DEPENDS ${android_step3_input_files} ${android_copied_files} COMMENT "Generating OpenCV Android library project. SDK target: ${lib_target_sdk_target}" ) list(APPEND copied_files ${lib_target_files} "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}") list(APPEND step3_input_files "${CMAKE_CURRENT_BINARY_DIR}/${ANDROID_MANIFEST_FILE}") install(FILES "${OpenCV_BINARY_DIR}/${ANDROID_PROJECT_PROPERTIES_FILE}" DESTINATION ${JAVA_INSTALL_ROOT} COMPONENT main) install(FILES "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" DESTINATION ${JAVA_INSTALL_ROOT} COMPONENT main) # creating empty 'gen' and 'res' folders install(CODE "MAKE_DIRECTORY(\"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${JAVA_INSTALL_ROOT}/gen\")" COMPONENT main) install(CODE "MAKE_DIRECTORY(\"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${JAVA_INSTALL_ROOT}/res\")" COMPONENT main) endif(ANDROID AND ANDROID_EXECUTABLE) set(step3_depends ${step2_depends} ${step3_input_files} ${copied_files}) if(ANDROID) set(LIB_NAME_SUFIX "") else() set(LIB_NAME_SUFIX "${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}") endif() # step 4: build jar if(ANDROID) set(JAR_FILE "${OpenCV_BINARY_DIR}/bin/classes.jar") if(ANDROID_TOOLS_Pkg_Revision GREATER 13) # build the library project # normally we should do this after a native part, but for a library project we can build the java part first add_custom_command(OUTPUT "${JAR_FILE}" "${JAR_FILE}.dephelper" COMMAND ${ANT_EXECUTABLE} -q -noinput -k debug COMMAND ${CMAKE_COMMAND} -E touch "${JAR_FILE}.dephelper" # can not rely on classes.jar because different versions of SDK update timestamp at different times WORKING_DIRECTORY "${OpenCV_BINARY_DIR}" DEPENDS ${step3_depends} COMMENT "Building OpenCV Android library project" ) else() # ditto add_custom_command(OUTPUT "${JAR_FILE}" "${JAR_FILE}.dephelper" COMMAND ${CMAKE_COMMAND} -E touch "${JAR_FILE}" COMMAND ${CMAKE_COMMAND} -E touch "${JAR_FILE}.dephelper" WORKING_DIRECTORY "${OpenCV_BINARY_DIR}" DEPENDS ${step3_depends} COMMENT "" ) endif() else(ANDROID) set(JAR_NAME opencv-${LIB_NAME_SUFIX}.jar) set(JAR_FILE "${OpenCV_BINARY_DIR}/bin/${JAR_NAME}") configure_file("${CMAKE_CURRENT_SOURCE_DIR}/build.xml.in" "${OpenCV_BINARY_DIR}/build.xml" IMMEDIATE @ONLY) list(APPEND step3_depends "${OpenCV_BINARY_DIR}/build.xml") add_custom_command(OUTPUT "${JAR_FILE}" "${JAR_FILE}.dephelper" COMMAND ${ANT_EXECUTABLE} -q -noinput -k jar COMMAND ${CMAKE_COMMAND} -E touch "${JAR_FILE}.dephelper" WORKING_DIRECTORY "${OpenCV_BINARY_DIR}" DEPENDS ${step3_depends} COMMENT "Generating ${JAR_NAME}" ) if(WIN32) set(JAR_INSTALL_DIR java) else(WIN32) set(JAR_INSTALL_DIR share/OpenCV/java) endif(WIN32) install(FILES ${JAR_FILE} DESTINATION ${JAR_INSTALL_DIR} COMPONENT main) endif(ANDROID) # step 5: build native part add_library(${the_module} SHARED ${handwrittren_h_sources} ${handwrittren_cpp_sources} ${generated_cpp_sources} ${copied_files} "${JAR_FILE}" "${JAR_FILE}.dephelper") if(BUILD_FAT_JAVA_LIB) set(__deps ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_MODULES_BUILD}) list(REMOVE_ITEM __deps ${the_module} opencv_ts) ocv_list_unique(__deps) set(__extradeps ${__deps}) ocv_list_filterout(__extradeps "^opencv_") if(__extradeps) list(REMOVE_ITEM __deps ${__extradeps}) endif() if(APPLE) foreach(_dep ${__deps}) target_link_libraries(${the_module} -Wl,-force_load "${_dep}") endforeach() else() target_link_libraries(${the_module} -Wl,-whole-archive ${__deps} -Wl,-no-whole-archive) endif() target_link_libraries(${the_module} ${__extradeps} ${OPENCV_LINKER_LIBS}) else() target_link_libraries(${the_module} ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_LINKER_LIBS}) endif() if(ANDROID) target_link_libraries(${the_module} jnigraphics) # for Mat <=> Bitmap converters # force strip library after the build command # because samples and tests will make a copy of the library before install get_target_property(__opencv_java_location ${the_module} LOCATION) # Turn off stripping in debug build if ( NOT (CMAKE_BUILD_TYPE MATCHES "Debug")) add_custom_command(TARGET ${the_module} POST_BUILD COMMAND ${CMAKE_STRIP} --strip-unneeded "${__opencv_java_location}") endif() endif() # Additional target properties set_target_properties(${the_module} PROPERTIES OUTPUT_NAME "${the_module}${LIB_NAME_SUFIX}" ARCHIVE_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH} LIBRARY_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH} RUNTIME_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH} INSTALL_NAME_DIR ${OPENCV_LIB_INSTALL_PATH} LINK_INTERFACE_LIBRARIES "" ) if(WIN32) set_target_properties(${the_module} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}) endif() if(ENABLE_SOLUTION_FOLDERS) set_target_properties(${the_module} PROPERTIES FOLDER "bindings") endif() if(ANDROID) install(TARGETS ${the_module} LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT main ARCHIVE DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT main) else() install(TARGETS ${the_module} RUNTIME DESTINATION ${JAR_INSTALL_DIR} COMPONENT main LIBRARY DESTINATION ${JAR_INSTALL_DIR} COMPONENT main) endif() ###################################################################################################################################### if(BUILD_TESTS) if(ANDROID) add_subdirectory(android_test) else() add_subdirectory(test) endif() endif()