# ---------------------------------------------------------------------------- # CMake file for java support # ---------------------------------------------------------------------------- if(IOS OR WINRT OR NOT PYTHON_DEFAULT_AVAILABLE OR NOT ANT_EXECUTABLE OR NOT (JNI_FOUND OR (ANDROID AND ANDROID_NATIVE_API_LEVEL GREATER 7)) OR BUILD_opencv_world ) ocv_module_disable(java) endif() set(the_description "The java bindings") ocv_add_module(java BINDINGS opencv_core opencv_imgproc) ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp") ocv_module_include_directories("${OpenCV_SOURCE_DIR}/include") 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 # message(STATUS "Wrapped in java:") set(OPENCV_JAVA_MODULES) foreach(m ${OPENCV_MODULES_BUILD}) if (";${OPENCV_MODULE_${m}_WRAPPERS};" MATCHES ";java;" AND HAVE_${m}) string(REPLACE "opencv_" "" m ${m}) list(APPEND OPENCV_JAVA_MODULES ${m}) # message(STATUS "\topencv_${m}") endif() endforeach() ###################################################################################################################################### # UTILITY: make C headers go first macro(sort_headers_c_cpp __lst) set(__cpp ${${__lst}}) ocv_list_filterout(__cpp "\\\\.h$") if(__cpp) list(REMOVE_ITEM ${__lst} ${__cpp}) list(APPEND ${__lst} ${__cpp}) endif() unset(__cpp) endmacro() # UTILITY: force cmake to rerun when files from list have changed macro(add_cmake_dependencies) foreach (f ${ARGN}) get_filename_component(f_name "${f}" NAME) configure_file(${f} ${OpenCV_BINARY_DIR}/junk/${f_name}.junk COPYONLY) endforeach() endmacro() # UTILITY: glob specific sources and append them to list (type is in H, CPP, JAVA, AIDL) macro(glob_more_specific_sources _type _root _output) unset(_masks) if(${_type} STREQUAL "H") set(_masks "${_root}/src/cpp/*.h" "${root}/src/cpp/*.hpp") elseif(${_type} STREQUAL "CPP") set(_masks "${_root}/src/cpp/*.cpp") elseif(${_type} STREQUAL "JAVA") set(_masks "${_root}/src/java/*.java") elseif(${_type} STREQUAL "AIDL") set(_masks "${_root}/src/java/*.aidl") endif() if (_masks) file(GLOB _result ${_masks}) list(APPEND ${_output} ${_result}) else() message(WARNING "Bad argument passed to macro: skipped") endif() endmacro() # UTILITY: copy common java test files and add them to _deps # copy_common_tests( ) macro(copy_common_tests _src_location _dst_location _deps) set(_src ${${_src_location}}) set(_dst ${${_dst_location}}) file(GLOB_RECURSE _files RELATIVE "${_src}" "${_src}/res/*" "${_src}/src/*") foreach(f ${_files}) add_custom_command( OUTPUT "${_dst}/${f}" COMMAND ${CMAKE_COMMAND} -E copy "${_src}/${f}" "${_dst}/${f}" MAIN_DEPENDENCY "${_src}/${f}" COMMENT "Copying ${f}") list(APPEND ${_deps} "${_src}/${f}" "${_dst}/${f}") endforeach() unset(_files) unset(_src) unset(_dst) endmacro() # UTILITY: copy all java tests for specific module and add them to _deps # copy_modules_tests( ) macro(copy_modules_tests _modules _dst_location _deps) set(_dst ${${_dst_location}}) foreach(module ${${_modules}}) set(_src "${OPENCV_MODULE_opencv_${module}_LOCATION}/misc/java/test") set(_tree "src/org/opencv/test/${module}") file(GLOB _files RELATIVE "${_src}" "${_src}/*.java") foreach (f ${_files}) add_custom_command( OUTPUT "${_dst}/${_tree}/${f}" COMMAND ${CMAKE_COMMAND} -E copy "${_src}/${f}" "${_dst}/${_tree}/${f}" MAIN_DEPENDENCY "${_src}/${f}" COMMENT "Copying ${f}") list(APPEND ${_deps} "${_src}/${f}" "${_dst}/${_tree}/${f}") endforeach() unset(_files) unset(_src) unset(_tree) endforeach() unset(_dst) endmacro() ###################################################################################################################################### # 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") # directory to store temporary files generated on first gen_java.py run set(probe_dir "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out") # handwritten C/C++ and Java sources glob_more_specific_sources(H "${CMAKE_CURRENT_SOURCE_DIR}/generator" handwritten_h_sources) glob_more_specific_sources(CPP "${CMAKE_CURRENT_SOURCE_DIR}/generator" handwritten_cpp_sources) glob_more_specific_sources(JAVA "${CMAKE_CURRENT_SOURCE_DIR}/generator" handwritten_java_sources) glob_more_specific_sources(AIDL "${CMAKE_CURRENT_SOURCE_DIR}/generator" handwritten_aidl_sources) # headers of OpenCV modules set(opencv_public_headers "") set(generated_cpp_sources "") set(generated_java_sources "") foreach(module ${OPENCV_JAVA_MODULES}) set(module_java_dir "${OPENCV_MODULE_opencv_${module}_LOCATION}/misc/java") set(custom_header_list "${module_java_dir}/filelist") if(EXISTS "${custom_header_list}") file(STRINGS "${custom_header_list}" module_headers) ocv_list_add_prefix(module_headers "${OPENCV_MODULE_opencv_${module}_LOCATION}/") else() set(module_headers "${OPENCV_MODULE_opencv_${module}_HEADERS}") endif() if(NOT module_headers) message(WARNING "Module ${module} does not have headers to wrap for java") endif() sort_headers_c_cpp(module_headers) set(opencv_public_headers_${module} ${module_headers}) list(APPEND opencv_public_headers ${module_headers}) list(APPEND generated_cpp_sources "${CMAKE_CURRENT_BINARY_DIR}/${module}.cpp") include_directories("${module_java_dir}/src/cpp") glob_more_specific_sources(H "${module_java_dir}" handwritten_h_sources) glob_more_specific_sources(CPP "${module_java_dir}" handwritten_cpp_sources) glob_more_specific_sources(JAVA "${module_java_dir}" handwritten_java_sources) glob_more_specific_sources(AIDL "${module_java_dir}" handwritten_aidl_sources) # first run of gen_java.py (to get list of generated files) file(REMOVE_RECURSE "${probe_dir}") file(MAKE_DIRECTORY "${probe_dir}") execute_process(COMMAND ${PYTHON_DEFAULT_EXECUTABLE} "${scripts_gen_java}" "${scripts_hdr_parser}" ${module} ${opencv_public_headers_${module}} WORKING_DIRECTORY "${probe_dir}" OUTPUT_QUIET ERROR_QUIET) file(GLOB_RECURSE generated_java_sources_${module} RELATIVE "${probe_dir}" "${probe_dir}/*.java") ocv_list_add_prefix(generated_java_sources_${module} "${CMAKE_CURRENT_BINARY_DIR}/") list(APPEND generated_java_sources ${generated_java_sources_${module}}) endforeach() file(REMOVE_RECURSE "${probe_dir}") if(NOT ANDROID) ocv_list_filterout(handwritten_java_sources "/(engine|android)\\\\+") ocv_list_filterout(handwritten_aidl_sources "/(engine|android)\\\\+") else() file(GLOB_RECURSE handwrittren_lib_project_files_rel RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/" "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/*") list(REMOVE_ITEM handwrittren_lib_project_files_rel "${ANDROID_MANIFEST_FILE}") endif() # IMPORTANT: add dependencies to cmake (we should rerun cmake if any of these files is modified) add_cmake_dependencies(${scripts_gen_java} ${scripts_hdr_parser} ${opencv_public_headers}) ###################################################################################################################################### # step 1: generate .cpp/.java from OpenCV headers set(step1_depends "${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 ${PYTHON_DEFAULT_EXECUTABLE} "${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: TODO: generate documentation somewhere # step 3: copy files to destination set(step3_input_files ${generated_java_sources} ${handwritten_java_sources} ${handwritten_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 ${step1_depends} ${generated_java_sources} ${handwritten_java_sources} COMMENT "Generating src/org/opencv/${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 java) 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 java) endif() endforeach() # library project jni sources (nothing really depends on them so we will not add them to step3_input_files) foreach(jni_file ${handwritten_cpp_sources} ${handwritten_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 ${JAVA_INSTALL_ROOT} COMPONENT java) install(FILES "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" DESTINATION ${JAVA_INSTALL_ROOT} COMPONENT java) # creating empty 'gen' and 'res' folders install(CODE "MAKE_DIRECTORY(\"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${JAVA_INSTALL_ROOT}/gen\")" COMPONENT java) install(CODE "MAKE_DIRECTORY(\"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${JAVA_INSTALL_ROOT}/res\")" COMPONENT java) endif(ANDROID AND ANDROID_EXECUTABLE) set(step3_depends ${step2_depends} ${step3_input_files} ${copied_files}) if(ANDROID) set(LIB_NAME_SUFIX "${OPENCV_VERSION_MAJOR}") else() set(LIB_NAME_SUFIX "${OPENCV_VERSION_MAJOR}${OPENCV_VERSION_MINOR}${OPENCV_VERSION_PATCH}") endif() file(MAKE_DIRECTORY "${OpenCV_BINARY_DIR}/bin") # 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" @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}" ) install(FILES ${JAR_FILE} OPTIONAL DESTINATION ${OPENCV_JAR_INSTALL_PATH} COMPONENT java) endif(ANDROID) # step 5: build native part # workarounding lack of `__attribute__ ((visibility("default")))` in jni_md.h/JNIEXPORT string(REPLACE "-fvisibility=hidden" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") ocv_add_library(${the_module} SHARED ${handwritten_h_sources} ${handwritten_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}) foreach(m ${OPENCV_MODULES_BUILD}) # filterout INTERNAL (like opencv_ts) and BINDINGS (like opencv_python) modules ocv_assert(DEFINED OPENCV_MODULE_${m}_CLASS) if(NOT OPENCV_MODULE_${m}_CLASS STREQUAL "PUBLIC") list(REMOVE_ITEM __deps ${m}) endif() endforeach() ocv_list_unique(__deps) set(__extradeps ${__deps}) ocv_list_filterout(__extradeps "^opencv_") if(__extradeps) list(REMOVE_ITEM __deps ${__extradeps}) endif() if(APPLE) foreach(_dep ${__deps}) ocv_target_link_libraries(${the_module} -Wl,-force_load "${_dep}") endforeach() else() ocv_target_link_libraries(${the_module} -Wl,-whole-archive ${__deps} -Wl,-no-whole-archive) endif() ocv_target_link_libraries(${the_module} ${__extradeps} ${OPENCV_LINKER_LIBS}) else() ocv_target_link_libraries(${the_module} ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_LINKER_LIBS}) endif() # Additional target properties set_target_properties(${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 ${OPENCV_LIB_INSTALL_PATH} LINK_INTERFACE_LIBRARIES "" ) if(ANDROID) ocv_target_link_libraries(${the_module} jnigraphics) # for Mat <=> Bitmap converters ocv_target_link_libraries(${the_module} LINK_INTERFACE_LIBRARIES ${OPENCV_LINKER_LIBS} jnigraphics) # 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() 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) ocv_install_target(${the_module} OPTIONAL EXPORT OpenCVModules LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT java ARCHIVE DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT java) else() if(NOT INSTALL_CREATE_DISTRIB) ocv_install_target(${the_module} OPTIONAL EXPORT OpenCVModules RUNTIME DESTINATION ${OPENCV_JAR_INSTALL_PATH} COMPONENT java LIBRARY DESTINATION ${OPENCV_JAR_INSTALL_PATH} COMPONENT java) else() ocv_install_target(${the_module} OPTIONAL EXPORT OpenCVModules RUNTIME DESTINATION ${OPENCV_JAR_INSTALL_PATH}/${OpenCV_ARCH} COMPONENT java LIBRARY DESTINATION ${OPENCV_JAR_INSTALL_PATH}/${OpenCV_ARCH} COMPONENT java) endif() endif() ###################################################################################################################################### if(BUILD_TESTS) if(ANDROID) add_subdirectory(android_test) else() add_subdirectory(pure_test) endif() endif()