opencv/modules/java/CMakeLists.txt

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CMake
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# ----------------------------------------------------------------------------
# CMake file for java support
# ----------------------------------------------------------------------------
if(NOT ANDROID OR NOT PYTHON_EXECUTABLE OR ANDROID_NATIVE_API_LEVEL LESS 8)
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)
ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp")
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# get list of modules to wrap
string(REPLACE "opencv_" "" OPENCV_JAVA_MODULES "${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 ${module})
endif()
endforeach()
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set(GEN_JAVA "${CMAKE_CURRENT_SOURCE_DIR}/generator/gen_java.py")
set(HDR_PARSER "${CMAKE_CURRENT_SOURCE_DIR}/../python/src2/hdr_parser.py")
set(GEN_JAVADOC "${CMAKE_CURRENT_SOURCE_DIR}/generator/gen_javadoc.py")
set(RST_PARSER "${CMAKE_CURRENT_SOURCE_DIR}/generator/rst_parser.py")
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# add dependencies to cmake (we should rerun cmake if any of these scripts is modified)
configure_file("${GEN_JAVA}" "${OpenCV_BINARY_DIR}/junk/gen_java.junk" COPYONLY)
configure_file("${HDR_PARSER}" "${OpenCV_BINARY_DIR}/junk/hdr_parser.junk" COPYONLY)
set(java_hdr_deps "")
set(generated_cpp_sources "")
set(generated_java_sources "")
# setup raw java and cpp files generation (without javadoc and at temporary location)
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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()
# 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)
# add dependencies to cmake (we should rerun cmake if any of these headers is modified)
foreach(header ${module_headers})
get_filename_component(header_name "${header}" NAME_WE)
configure_file("${header}" "${OpenCV_BINARY_DIR}/junk/${header_name}.junk" COPYONLY)
endforeach()
# first run (to get list of generated files)
if(module_headers)
file(REMOVE_RECURSE "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out/")
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out")
execute_process(COMMAND ${PYTHON_EXECUTABLE} "${GEN_JAVA}" "${HDR_PARSER}" ${module} ${module_headers}
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out"
OUTPUT_QUIET ERROR_QUIET)
file(GLOB_RECURSE ${module}_generated_java_sources RELATIVE "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out/" "${CMAKE_CURRENT_BINARY_DIR}/gen_java_out/*.java")
ocv_list_add_prefix(${module}_generated_java_sources "${CMAKE_CURRENT_BINARY_DIR}/")
# second run (at build time)
add_custom_command(OUTPUT ${${module}_generated_java_sources} "${CMAKE_CURRENT_BINARY_DIR}/${module}.cpp"
COMMAND ${PYTHON_EXECUTABLE} "${GEN_JAVA}" "${HDR_PARSER}" ${module} ${module_headers}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS "${GEN_JAVA}" "${HDR_PARSER}" ${module_headers})
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list(APPEND java_hdr_deps ${module_headers})
list(APPEND generated_cpp_sources "${CMAKE_CURRENT_BINARY_DIR}/${module}.cpp")
list(APPEND generated_java_sources ${${module}_generated_java_sources})
endif()
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endforeach()
# get handwritten files used for wrappers generation
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")
# remove handwritten java files for disabled modules
foreach(jfile ${handwrittren_java_sources})
string(REGEX REPLACE "^.*/([^+]+)\\+.*\\.java$" "\\1" jmodname "${jfile}")
if(DEFINED HAVE_opencv_${jmodname} AND NOT HAVE_opencv_${jmodname})
list(REMOVE_ITEM handwrittren_java_sources "${jfile}")
endif()
endforeach()
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# remove VideoCapture wrapper if highgui is disabled
if(NOT HAVE_opencv_highgui)
list(REMOVE_ITEM handwrittren_cpp_sources "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp/VideoCapture.cpp")
endif()
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# create list of javadoc documented files
unset(documented_java_files)
foreach(java_file ${handwrittren_java_sources} ${generated_java_sources})
get_filename_component(java_file_name "${java_file}" NAME_WE)
list(APPEND documented_java_files "${CMAKE_CURRENT_BINARY_DIR}/${java_file_name}-jdoc.java")
endforeach()
# generate javadoc files
file(GLOB_RECURSE refman_rst_headers "${CMAKE_CURRENT_SOURCE_DIR}/../*.rst")
set(java_documented_headers_deps ${handwrittren_java_sources} ${generated_java_sources} ${java_hdr_deps} ${refman_rst_headers}
"${GEN_JAVADOC}" "${RST_PARSER}" "${GEN_JAVA}" "${HDR_PARSER}")
#TODO: pass list of modules
add_custom_command(
OUTPUT ${documented_java_files}
COMMAND ${PYTHON_EXECUTABLE} "${GEN_JAVADOC}" "${CMAKE_CURRENT_SOURCE_DIR}/generator/src/java" "${CMAKE_CURRENT_BINARY_DIR}" 2>"${CMAKE_CURRENT_BINARY_DIR}/get_javadoc_errors.log"
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${java_documented_headers_deps}
)
# copy generated java files to the final location
set(JAVA_OUTPUT_DIR "src/org/opencv")
set(JAVA_INSTALL_ROOT "sdk/java")
set(JNI_INSTALL_ROOT "sdk/native")
# copy each documented header to the final destination
set(java_files "")
foreach(java_file ${documented_java_files} ${handwrittren_aidl_sources})
get_filename_component(java_file_name "${java_file}" NAME)
string(REPLACE "-jdoc.java" ".java" java_file_name "${java_file_name}")
string(REPLACE "+" "/" java_file_name "${java_file_name}")
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add_custom_command(
OUTPUT "${OpenCV_BINARY_DIR}/${JAVA_OUTPUT_DIR}/${java_file_name}"
COMMAND ${CMAKE_COMMAND} -E copy "${java_file}" "${OpenCV_BINARY_DIR}/${JAVA_OUTPUT_DIR}/${java_file_name}"
MAIN_DEPENDENCY "${java_file}"
DEPENDS ${java_documented_headers_deps}
COMMENT "Generating ${JAVA_OUTPUT_DIR}/${java_file_name}"
)
list(APPEND java_files "${OpenCV_BINARY_DIR}/${JAVA_OUTPUT_DIR}/${java_file_name}")
if(ANDROID)
get_filename_component(install_subdir "${java_file_name}" PATH)
install(FILES "${OpenCV_BINARY_DIR}/${JAVA_OUTPUT_DIR}/${java_file_name}" DESTINATION ${JAVA_INSTALL_ROOT}/${JAVA_OUTPUT_DIR}/${install_subdir} COMPONENT main)
endif()
endforeach()
# custom target for java API
set(api_target ${the_module}_api)
add_custom_target(${api_target} DEPENDS ${java_files} ${documented_java_files} ${java_documented_headers_deps})
# add opencv_java library
add_library(${the_module} SHARED ${handwrittren_h_sources} ${handwrittren_cpp_sources} ${generated_cpp_sources})
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if(BUILD_FAT_JAVA_LIB)
set(__deps ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_MODULES_BUILD})
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list(REMOVE_ITEM __deps ${the_module} opencv_ts)
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ocv_list_unique(__deps)
set(__extradeps ${__deps})
ocv_list_filterout(__extradeps "^opencv_")
if(__extradeps)
list(REMOVE_ITEM __deps ${__extradeps})
endif()
target_link_libraries(${the_module} -Wl,-whole-archive ${__deps} -Wl,-no-whole-archive ${__extradeps} ${OPENCV_LINKER_LIBS})
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else()
target_link_libraries(${the_module} ${OPENCV_MODULE_${the_module}_DEPS} ${OPENCV_LINKER_LIBS})
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endif()
add_dependencies(${the_module} ${api_target})
# Additional target properties
set_target_properties(${the_module} PROPERTIES
OUTPUT_NAME "${the_module}"
ARCHIVE_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH}
RUNTIME_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}
INSTALL_NAME_DIR ${OPENCV_LIB_INSTALL_PATH}
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LINK_INTERFACE_LIBRARIES ""
)
install(TARGETS ${the_module} LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT main)
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if(ANDROID)
target_link_libraries(${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)
add_custom_command(TARGET ${the_module} POST_BUILD COMMAND ${CMAKE_STRIP} --strip-unneeded "${__opencv_java_location}")
set(lib_proj_files "")
# manifest, jni, Eclipse project
file(GLOB_RECURSE android_lib_project_files RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/" "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/*")
list(REMOVE_ITEM android_lib_project_files "${ANDROID_MANIFEST_FILE}")
foreach(f ${android_lib_project_files})
if(NOT f MATCHES "\\.svn")
add_custom_command(
OUTPUT "${OpenCV_BINARY_DIR}/${f}"
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/${f}" "${OpenCV_BINARY_DIR}/${f}"
MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/${f}"
COMMENT "Generating ${f}"
)
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list(APPEND lib_proj_files "${OpenCV_BINARY_DIR}/${f}")
if(NOT f MATCHES "jni/.+")
get_filename_component(install_subdir "${f}" PATH)
install(FILES "${OpenCV_BINARY_DIR}/${f}" DESTINATION "${JAVA_INSTALL_ROOT}/${install_subdir}" COMPONENT main)
endif()
endif()
endforeach()
# library project jni sources
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 lib_proj_files "${OpenCV_BINARY_DIR}/jni/${jni_file_name}")
endforeach()
# create Android library project in build folder
if(ANDROID_EXECUTABLE)
set(lib_target ${the_module}_android_library)
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})
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_SOURCE_DIR}/android_lib/${ANDROID_MANIFEST_FILE}" "${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_SOURCE_DIR}/android_lib/${ANDROID_MANIFEST_FILE}" "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}"
MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/android_lib/${ANDROID_MANIFEST_FILE}"
DEPENDS ${lib_proj_files}
COMMENT "Generating OpenCV Android library project. SDK target: ${lib_target_sdk_target}"
)
install(FILES "${OpenCV_BINARY_DIR}/${ANDROID_PROJECT_PROPERTIES_FILE}" DESTINATION ${JAVA_INSTALL_ROOT} COMPONENT main)
install(FILES "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}" DESTINATION ${JAVA_INSTALL_ROOT} COMPONENT main)
# creating empty 'gen' and 'res' folders
install(CODE "MAKE_DIRECTORY(\"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/sdk/java/gen\")" COMPONENT main)
install(CODE "MAKE_DIRECTORY(\"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/sdk/java/res\")" COMPONENT main)
if(ANT_EXECUTABLE AND ANDROID_TOOLS_Pkg_Revision GREATER 13)
# build the library project
# normally we should do this after a native part, but for a library project we can build the java part first
add_custom_command(
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OUTPUT "${OpenCV_BINARY_DIR}/bin/classes.jar" "${OpenCV_BINARY_DIR}/bin/.classes.jar.dephelper"
COMMAND ${ANT_EXECUTABLE} -q -noinput -k debug
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COMMAND ${CMAKE_COMMAND} -E touch "${OpenCV_BINARY_DIR}/bin/.classes.jar.dephelper" # can not rely on classes.jar because different versions of SDK update timestamp at different times
WORKING_DIRECTORY "${OpenCV_BINARY_DIR}"
DEPENDS ${lib_proj_files} ${lib_target_files} ${java_files}
COMMENT "Building OpenCV Android library project"
)
#install(FILES "${OpenCV_BINARY_DIR}/bin/classes.jar" "${OpenCV_BINARY_DIR}/bin/jarlist.cache" "${OpenCV_BINARY_DIR}/bin/build.prop" DESTINATION bin COMPONENT main)
#install(DIRECTORY "${OpenCV_BINARY_DIR}/bin/res" "${OpenCV_BINARY_DIR}/bin/classes" DESTINATION bin COMPONENT main)
list(APPEND lib_target_files "${OpenCV_BINARY_DIR}/bin/classes.jar")
endif()
add_custom_target(${lib_target} SOURCES ${lib_proj_files} ${lib_target_files} "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}")
add_dependencies(${lib_target} ${api_target})
add_dependencies(${the_module} ${lib_target})
endif()
endif(ANDROID)
#android test project
if(ANDROID AND BUILD_TESTS)
add_subdirectory(android_test)
endif()