feat: 切换后端至PaddleOCR-NCNN,切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法,已通过基本的兼容性测试
2.工程改为使用CMake组织,后续为了更好地兼容第三方库,不再提供QMake工程
3.重整权利声明文件,重整代码工程,确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN,切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c
This commit is contained in:
wangzhengyang
2022-05-10 09:54:44 +08:00
parent ecdd171c6f
commit 718c41634f
10018 changed files with 3593797 additions and 186748 deletions

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if(EXISTS "${ANDROID_EXECUTABLE}")
set(ANDROID_SDK_DETECT_QUIET TRUE)
endif()
# fixup for https://github.com/android-ndk/ndk/issues/596
if(DEFINED ANDROID_NDK_REVISION AND ANDROID_NDK_REVISION MATCHES "(1[56])([0-9]+)\\.([^\n]+)\n")
set(ANDROID_NDK_REVISION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}")
set(ANDROID_NDK_REVISION "${ANDROID_NDK_REVISION}" CACHE INTERNAL "Android NDK revision")
endif()
# fixup -g option: https://github.com/opencv/opencv/issues/8460#issuecomment-434249750
if(INSTALL_CREATE_DISTRIB
AND (NOT BUILD_WITH_DEBUG_INFO AND NOT CMAKE_BUILD_TYPE MATCHES "Debug")
AND NOT OPENCV_SKIP_ANDROID_G_OPTION_FIX
)
if(" ${CMAKE_CXX_FLAGS} " MATCHES " -g ")
message(STATUS "Android: fixup -g compiler option from Android toolchain")
endif()
string(REPLACE " -g " " " CMAKE_CXX_FLAGS " ${CMAKE_CXX_FLAGS} ")
string(REPLACE " -g " " " CMAKE_C_FLAGS " ${CMAKE_C_FLAGS} ")
string(REPLACE " -g " " " CMAKE_ASM_FLAGS " ${CMAKE_ASM_FLAGS} ")
if(NOT " ${CMAKE_CXX_FLAGS_DEBUG}" MATCHES " -g")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g")
endif()
if(NOT " ${CMAKE_C_FLAGS_DEBUG}" MATCHES " -g")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g")
endif()
endif()
# https://developer.android.com/studio/command-line/variables.html
ocv_check_environment_variables(ANDROID_SDK_ROOT ANDROID_HOME ANDROID_SDK)
set(__msg_BUILD_ANDROID_PROJECTS "Use BUILD_ANDROID_PROJECTS=OFF to prepare Android project files without building them")
macro(ocv_detect_android_sdk)
if(NOT DEFINED ANDROID_SDK)
if(DEFINED ANDROID_SDK AND EXISTS "${ANDROID_SDK}")
set(ANDROID_SDK "${ANDROID_SDK}" CACHE INTERNAL "Android SDK path")
elseif(DEFINED ANDROID_HOME AND EXISTS "${ANDROID_HOME}")
set(ANDROID_SDK "${ANDROID_HOME}" CACHE INTERNAL "Android SDK path")
elseif(DEFINED ANDROID_SDK_ROOT AND EXISTS "${ANDROID_SDK_ROOT}")
set(ANDROID_SDK "${ANDROID_SDK_ROOT}" CACHE INTERNAL "Android SDK path")
endif()
if(DEFINED ANDROID_SDK)
message(STATUS "Android SDK: using location: ${ANDROID_SDK}")
endif()
endif()
if(NOT DEFINED ANDROID_SDK)
message(FATAL_ERROR "Android SDK: specify path to Android SDK via ANDROID_SDK_ROOT / ANDROID_HOME / ANDROID_SDK variables")
endif()
if(NOT EXISTS "${ANDROID_SDK}")
message(FATAL_ERROR "Android SDK: specified path doesn't exist: ${ANDROID_SDK}")
endif()
endmacro()
macro(ocv_detect_android_sdk_tools)
# https://developer.android.com/studio/releases/sdk-tools.html
if(NOT DEFINED ANDROID_SDK_TOOLS)
if(DEFINED ANDROID_SDK AND EXISTS "${ANDROID_SDK}/tools")
set(ANDROID_SDK_TOOLS "${ANDROID_SDK}/tools" CACHE INTERNAL "Android SDK Tools path")
endif()
endif()
if(NOT DEFINED ANDROID_SDK_TOOLS)
message(FATAL_ERROR "Android SDK Tools: can't automatically find Android SDK Tools. Specify path via ANDROID_SDK_TOOLS variable")
endif()
if(NOT EXISTS "${ANDROID_SDK_TOOLS}")
message(FATAL_ERROR "Android SDK Tools: specified path doesn't exist: ${ANDROID_SDK_TOOLS}")
endif()
if(NOT DEFINED ANDROID_SDK_TOOLS_VERSION)
ocv_parse_properties_file("${ANDROID_SDK_TOOLS}/source.properties"
ANDROID_TOOLS CACHE Pkg_Revision
MSG_PREFIX "Android SDK Tools: "
)
if(NOT DEFINED ANDROID_TOOLS_Pkg_Revision)
message(FATAL_ERROR "Android SDK Tools: Can't determine package version: ANDROID_SDK_TOOLS=${ANDROID_SDK_TOOLS}\n"
"Check specified parameters or force version via 'ANDROID_SDK_TOOLS_VERSION' variable.\n"
"${__msg_BUILD_ANDROID_PROJECTS}")
elseif(NOT ANDROID_SDK_DETECT_QUIET)
set(__info "")
if(DEFINED ANDROID_TOOLS_Pkg_Desc)
set(__info " (description: '${ANDROID_TOOLS_Pkg_Desc}')")
endif()
message(STATUS "Android SDK Tools: ver. ${ANDROID_TOOLS_Pkg_Revision}${__info}")
endif()
set(ANDROID_SDK_TOOLS_VERSION "${ANDROID_TOOLS_Pkg_Revision}" CACHE INTERNAL "Android SDK Tools version")
endif()
if(NOT DEFINED ANDROID_TOOLS_Pkg_Revision)
set(ANDROID_TOOLS_Pkg_Revision "${ANDROID_SDK_TOOLS_VERSION}" CACHE INTERNAL "Android SDK Tools version (deprecated)")
endif()
set(ANDROID_SDK_TOOLS_PATH "${ANDROID_SDK_TOOLS}" CACHE INTERNAL "Android SDK Tools path (deprecated)")
endmacro() # ocv_detect_android_sdk_tools
macro(ocv_detect_android_sdk_build_tools)
# https://developer.android.com/studio/releases/build-tools.html
if(NOT DEFINED ANDROID_SDK_BUILD_TOOLS_VERSION)
if(NOT DEFINED ANDROID_SDK_BUILD_TOOLS)
set(__search_dir ${ANDROID_SDK}/build-tools)
if(NOT EXISTS "${__search_dir}")
message(FATAL_ERROR "Android SDK Build Tools: directory doesn't exist: ${__search_dir} "
"${__msg_BUILD_ANDROID_PROJECTS}")
endif()
if(NOT DEFINED ANDROID_SDK_BUILD_TOOLS_SUBDIR)
file(GLOB __found RELATIVE "${__search_dir}" ${__search_dir}/*)
set(__dirlist "")
set(__selected 0)
set(__versions "")
foreach(d ${__found})
if(IS_DIRECTORY "${__search_dir}/${d}")
list(APPEND __dirlist ${d})
if(d MATCHES "[0-9]+(\\.[0-9]+)*")
list(APPEND __versions "${d}")
endif()
if(__selected VERSION_LESS d)
set(__selected "${d}")
endif()
endif()
endforeach()
if(__selected VERSION_GREATER 0)
set(ANDROID_SDK_BUILD_TOOLS_SUBDIR "${__selected}")
elseif(__dirlist)
set(__versions "")
foreach(d ${__dirlist})
if(EXISTS "${__search_dir}/${d}/source.properties")
ocv_clear_vars(ANDROID_BUILD_TOOLS_Pkg_Revision)
ocv_parse_properties_file("${__search_dir}/${d}/source.properties"
ANDROID_BUILD_TOOLS
MSG_PREFIX "Android SDK Tools: "
)
if(DEFINED ANDROID_BUILD_TOOLS_Pkg_Revision)
list(APPEND __versions "${ANDROID_BUILD_TOOLS_Pkg_Revision}")
if(__selected VERSION_LESS ANDROID_BUILD_TOOLS_Pkg_Revision)
set(ANDROID_SDK_BUILD_TOOLS_SUBDIR "${d}")
set(__selected "${ANDROID_BUILD_TOOLS_Pkg_Revision}")
endif()
endif()
endif()
endforeach()
endif()
if(DEFINED ANDROID_SDK_BUILD_TOOLS_SUBDIR)
set(ANDROID_SDK_BUILD_TOOLS_VERSION "${__selected}" CACHE STRING "Android SDK Build Tools version")
set_property(CACHE ANDROID_SDK_BUILD_TOOLS_VERSION PROPERTY STRINGS ${__versions})
set(ANDROID_SDK_BUILD_TOOLS "${__search_dir}/${d}" CACHE INTERNAL "Android SDK Build Tools path")
message(STATUS "Android SDK Build Tools: ver. ${ANDROID_SDK_BUILD_TOOLS_VERSION} (subdir ${ANDROID_SDK_BUILD_TOOLS_SUBDIR} from ${__dirlist})")
else()
message(FATAL_ERROR "Android SDK Build Tools: autodetection failed. "
"Specify ANDROID_SDK_BUILD_TOOLS_VERSION / ANDROID_SDK_BUILD_TOOLS_SUBDIR / ANDROID_SDK_BUILD_TOOLS variable to bypass autodetection.\n"
"${__msg_BUILD_ANDROID_PROJECTS}")
endif()
endif()
else()
ocv_parse_properties_file("${ANDROID_SDK_BUILD_TOOLS}/source.properties"
ANDROID_BUILD_TOOLS
MSG_PREFIX "Android SDK Tools: "
)
if(NOT DEFINED ANDROID_BUILD_TOOLS_Pkg_Revision)
message(FATAL_ERROR "Android SDK Build Tools: Can't detect version: ANDROID_SDK_BUILD_TOOLS=${ANDROID_SDK_BUILD_TOOLS}\n"
"Specify ANDROID_SDK_BUILD_TOOLS_VERSION variable to bypass autodetection.\n"
"${__msg_BUILD_ANDROID_PROJECTS}")
else()
set(ANDROID_SDK_BUILD_TOOLS_VERSION "${ANDROID_BUILD_TOOLS_Pkg_Revision}" CACHE INTERNAL "Android SDK Build Tools version")
message(STATUS "Android SDK Build Tools: ver. ${ANDROID_SDK_BUILD_TOOLS_VERSION} (ANDROID_SDK_BUILD_TOOLS=${ANDROID_SDK_BUILD_TOOLS})")
endif()
endif() # ANDROID_SDK_BUILD_TOOLS
endif() # ANDROID_SDK_BUILD_TOOLS_VERSION
endmacro() # ocv_detect_android_sdk_build_tools
if(BUILD_ANDROID_PROJECTS)
ocv_detect_android_sdk()
ocv_detect_android_sdk_tools()
ocv_detect_android_sdk_build_tools()
if(ANDROID_SDK_TOOLS_VERSION VERSION_LESS 14)
message(FATAL_ERROR "Android SDK Tools: OpenCV requires Android SDK Tools revision 14 or newer.\n"
"${__msg_BUILD_ANDROID_PROJECTS}")
endif()
if(NOT ANDROID_SDK_TOOLS_VERSION VERSION_LESS 25.3.0)
message(STATUS "Android SDK Tools: Ant (Eclipse) builds are NOT supported by Android SDK")
ocv_update(ANDROID_PROJECTS_SUPPORT_ANT OFF)
if(NOT ANDROID_SDK_BUILD_TOOLS_VERSION VERSION_LESS 26.0.2)
# https://developer.android.com/studio/releases/gradle-plugin.html
message(STATUS "Android SDK Build Tools: Gradle 3.0.0+ builds support is available")
ocv_update(ANDROID_PROJECTS_SUPPORT_GRADLE ON)
endif()
else()
include(${CMAKE_CURRENT_LIST_DIR}/../OpenCVDetectApacheAnt.cmake)
if(ANT_EXECUTABLE AND NOT ANT_VERSION VERSION_LESS 1.7)
message(STATUS "Android SDK Tools: Ant (Eclipse) builds are supported")
ocv_update(ANDROID_PROJECTS_SUPPORT_ANT ON)
endif()
endif()
if(NOT DEFINED ANDROID_PROJECTS_BUILD_TYPE)
if(ANDROID_PROJECTS_SUPPORT_ANT)
ocv_update(ANDROID_PROJECTS_BUILD_TYPE "ANT")
elseif(ANDROID_PROJECTS_SUPPORT_GRADLE)
ocv_update(ANDROID_PROJECTS_BUILD_TYPE "GRADLE")
else()
message(FATAL_ERROR "Android SDK: Can't build Android projects as requested by BUILD_ANDROID_PROJECTS=ON variable.\n"
"${__msg_BUILD_ANDROID_PROJECTS}")
endif()
endif()
if(ANDROID_PROJECTS_BUILD_TYPE STREQUAL "ANT")
message(STATUS "Android SDK Tools: Prepare Android projects for using Ant build scripts (deprecated)")
elseif(ANDROID_PROJECTS_BUILD_TYPE STREQUAL "GRADLE")
message(STATUS "Android SDK Tools: Prepare Android projects for using Gradle 3.0.0+ build scripts")
endif()
else()
message("Android: Projects builds are DISABLED")
macro(add_android_project)
endmacro()
endif() # BUILD_ANDROID_PROJECTS
if(ANDROID_PROJECTS_BUILD_TYPE STREQUAL "ANT")
include(${CMAKE_CURRENT_LIST_DIR}/android_ant_projects.cmake)
elseif(ANDROID_PROJECTS_BUILD_TYPE STREQUAL "GRADLE")
include(${CMAKE_CURRENT_LIST_DIR}/android_gradle_projects.cmake)
elseif(BUILD_ANDROID_PROJECTS)
message(FATAL_ERROR "Internal error")
else()
# TODO
#include(${CMAKE_CURRENT_LIST_DIR}/android_disabled_projects.cmake)
endif()

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find_host_program(ANDROID_EXECUTABLE
NAMES android.bat android
PATHS "${ANDROID_SDK_TOOLS}"
DOC "Android 'android' tool location"
)
if(NOT ANDROID_EXECUTABLE)
message(FATAL_ERROR "Android SDK Tools: Can't find 'android' tool")
elseif(NOT ANDROID_SDK_DETECT_QUIET)
message(STATUS "Android SDK Tools: Found 'android' tool: ${ANDROID_EXECUTABLE}")
endif()
set(ANDROID_PROJECT_PROPERTIES_FILE project.properties)
set(ANDROID_ANT_PROPERTIES_FILE ant.properties)
set(ANDROID_MANIFEST_FILE AndroidManifest.xml)
set(ANDROID_LIB_PROJECT_FILES build.xml local.properties proguard-project.txt ${ANDROID_PROJECT_PROPERTIES_FILE})
set(ANDROID_PROJECT_FILES ${ANDROID_LIB_PROJECT_FILES})
execute_process(COMMAND ${ANDROID_EXECUTABLE} list target -c
RESULT_VARIABLE ANDROID_PROCESS
OUTPUT_VARIABLE ANDROID_SDK_TARGETS
ERROR_VARIABLE ANDROID_PROCESS_ERRORS
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT ANDROID_PROCESS EQUAL 0)
set(ANDROID_EXECUTABLE "ANDROID_EXECUTABLE-NOTFOUND" CACHE INTERNAL)
message(FATAL_ERROR "Android: Failed to get list of installed Android targets.")
endif()
string(REGEX MATCHALL "[^\n]+" ANDROID_SDK_TARGETS "${ANDROID_SDK_TARGETS}")
# clear ANDROID_SDK_TARGET if no target is provided by user
if(NOT ANDROID_SDK_TARGET)
set(ANDROID_SDK_TARGET "" CACHE STRING "Android SDK target for the OpenCV Java API and samples")
endif()
if(ANDROID_SDK_TARGETS)
message(STATUS "Android SDK Tools: Available targets: ${ANDROID_SDK_TARGETS}")
set_property(CACHE ANDROID_SDK_TARGET PROPERTY STRINGS ${ANDROID_SDK_TARGETS} )
else()
message(FATAL_ERROR "Android: List of installed Android targets is empty")
endif()
# finds minimal installed SDK target compatible with provided names or API levels
# usage:
# get_compatible_android_api_level(VARIABLE [level1] [level2] ...)
macro(android_get_compatible_target VAR)
set(${VAR} "${VAR}-NOTFOUND")
if(ANDROID_SDK_TARGETS)
list(GET ANDROID_SDK_TARGETS 0 __lvl)
string(REGEX MATCH "[0-9]+$" __lvl "${__lvl}")
#find minimal level matching to all provided levels
foreach(lvl ${ARGN})
string(REGEX MATCH "[0-9]+$" __level "${lvl}")
if(__level GREATER __lvl)
set(__lvl ${__level})
endif()
endforeach()
#search for compatible levels
foreach(lvl ${ANDROID_SDK_TARGETS})
string(REGEX MATCH "[0-9]+$" __level "${lvl}")
if(__level EQUAL __lvl)
#look for exact match
foreach(usrlvl ${ARGN})
if("${usrlvl}" STREQUAL "${lvl}")
set(${VAR} "${lvl}")
break()
endif()
endforeach()
if("${${VAR}}" STREQUAL "${lvl}")
break() #exact match was found
elseif(NOT ${VAR})
set(${VAR} "${lvl}")
endif()
elseif(__level GREATER __lvl)
if(NOT ${VAR})
set(${VAR} "${lvl}")
endif()
break()
endif()
endforeach()
unset(__lvl)
unset(__level)
endif()
endmacro()
unset(__android_project_chain CACHE)
# add_android_project(target_name ${path} NATIVE_DEPS opencv_core LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 11)
macro(add_android_project target path)
# parse arguments
set(android_proj_arglist NATIVE_DEPS LIBRARY_DEPS SDK_TARGET IGNORE_JAVA IGNORE_MANIFEST COPY_LIBS)
set(__varname "android_proj_")
foreach(v ${android_proj_arglist})
set(${__varname}${v} "")
endforeach()
foreach(arg ${ARGN})
set(__var "${__varname}")
foreach(v ${android_proj_arglist})
if("${v}" STREQUAL "${arg}")
set(__varname "android_proj_${v}")
break()
endif()
endforeach()
if(__var STREQUAL __varname)
list(APPEND ${__var} "${arg}")
endif()
endforeach()
# get compatible SDK target
android_get_compatible_target(android_proj_sdk_target ${ANDROID_NATIVE_API_LEVEL} ${android_proj_SDK_TARGET})
if(NOT android_proj_sdk_target)
message(WARNING "Can not find any SDK target compatible with: ${ANDROID_NATIVE_API_LEVEL} ${android_proj_SDK_TARGET}
The project ${target} will not be build")
endif()
# check native dependencies
if(android_proj_IGNORE_JAVA)
ocv_check_dependencies(${android_proj_NATIVE_DEPS})
else()
ocv_check_dependencies(${android_proj_NATIVE_DEPS} opencv_java)
endif()
if(EXISTS "${path}/jni/Android.mk" )
# find if native_app_glue is used
file(STRINGS "${path}/jni/Android.mk" NATIVE_APP_GLUE REGEX ".*(call import-module,android/native_app_glue)" )
if(NATIVE_APP_GLUE)
if(ANDROID_NATIVE_API_LEVEL LESS 9 OR NOT EXISTS "${ANDROID_NDK}/sources/android/native_app_glue")
set(OCV_DEPENDENCIES_FOUND FALSE)
endif()
endif()
endif()
if(OCV_DEPENDENCIES_FOUND AND android_proj_sdk_target AND ANDROID_EXECUTABLE AND ANT_EXECUTABLE AND ANDROID_TOOLS_Pkg_Revision GREATER 13 AND EXISTS "${path}/${ANDROID_MANIFEST_FILE}")
project(${target})
set(android_proj_bin_dir "${CMAKE_CURRENT_BINARY_DIR}/.build")
# project sources
set(__src_glob "${path}/res/*" "${path}/src/*")
if(NOT android_proj_IGNORE_MANIFEST)
list(APPEND __src_glob "${path}/${ANDROID_MANIFEST_FILE}")
endif()
ocv_copyfiles_append_dir(SRC_COPY "${path}" "${android_proj_bin_dir}" ${__src_glob})
ocv_copyfiles_add_forced_target(${target}_copy_src SRC_COPY "Copy project sources: ${target}")
set(android_proj_file_deps ${target}_copy_src "${OPENCV_DEPHELPER}/${target}_copy_src")
set(android_proj_lib_deps_commands "")
set(android_proj_target_files ${ANDROID_PROJECT_FILES})
ocv_list_add_prefix(android_proj_target_files "${android_proj_bin_dir}/")
# process Android library dependencies
foreach(dep ${android_proj_LIBRARY_DEPS})
file(RELATIVE_PATH __dep "${android_proj_bin_dir}" "${dep}")
list(APPEND android_proj_lib_deps_commands
COMMAND ${ANDROID_EXECUTABLE} --silent update project --path "${android_proj_bin_dir}" --library "${__dep}")
endforeach()
# fix Android project
add_custom_command(
OUTPUT ${android_proj_target_files}
COMMAND ${CMAKE_COMMAND} -E remove ${android_proj_target_files}
"${android_proj_bin_dir}/bin/${ANDROID_MANIFEST_FILE}" # avoid warning about sub-projects
COMMAND ${ANDROID_EXECUTABLE} --silent update project --path "${android_proj_bin_dir}" --target "${android_proj_sdk_target}" --name "${target}"
${android_proj_lib_deps_commands}
WORKING_DIRECTORY "${android_proj_bin_dir}"
DEPENDS ${android_proj_file_deps}
COMMENT "Updating Android project at ${path}. SDK target: ${android_proj_sdk_target}"
)
list(APPEND android_proj_file_deps ${android_proj_target_files})
# build native part
file(GLOB_RECURSE android_proj_jni_files "${path}/jni/*.c" "${path}/jni/*.h" "${path}/jni/*.cpp" "${path}/jni/*.hpp")
if(android_proj_jni_files AND EXISTS ${path}/jni/Android.mk AND NOT DEFINED JNI_LIB_NAME)
# find local module name in Android.mk file to build native lib
file(STRINGS "${path}/jni/Android.mk" JNI_LIB_NAME REGEX "LOCAL_MODULE[ ]*:=[ ]*.*" )
string(REGEX REPLACE "LOCAL_MODULE[ ]*:=[ ]*([a-zA-Z_][a-zA-Z_0-9]*)[ ]*" "\\1" JNI_LIB_NAME "${JNI_LIB_NAME}")
if(JNI_LIB_NAME)
if(NATIVE_APP_GLUE)
include_directories(${ANDROID_NDK}/sources/android/native_app_glue)
list(APPEND android_proj_jni_files ${ANDROID_NDK}/sources/android/native_app_glue/android_native_app_glue.c)
ocv_warnings_disable(CMAKE_C_FLAGS -Wstrict-prototypes -Wunused-parameter -Wmissing-prototypes)
set(android_proj_NATIVE_DEPS ${android_proj_NATIVE_DEPS} android)
endif()
add_library(${JNI_LIB_NAME} SHARED ${android_proj_jni_files})
ocv_target_include_modules_recurse(${JNI_LIB_NAME} ${android_proj_NATIVE_DEPS})
ocv_target_include_directories(${JNI_LIB_NAME} "${path}/jni")
ocv_target_link_libraries(${JNI_LIB_NAME} PRIVATE ${OPENCV_LINKER_LIBS} ${android_proj_NATIVE_DEPS})
set_target_properties(${JNI_LIB_NAME} PROPERTIES
OUTPUT_NAME "${JNI_LIB_NAME}"
LIBRARY_OUTPUT_DIRECTORY "${android_proj_bin_dir}/libs/${ANDROID_NDK_ABI_NAME}"
)
if(NOT BUILD_WITH_DEBUG_INFO AND NOT CMAKE_BUILD_TYPE MATCHES "Debug")
add_custom_command(TARGET ${JNI_LIB_NAME} POST_BUILD COMMAND ${CMAKE_STRIP} --strip-unneeded "$<TARGET_FILE:${JNI_LIB_NAME}>")
endif()
endif()
endif()
# build java part
if(android_proj_IGNORE_JAVA)
set(android_proj_extra_deps "")
else()
list(APPEND android_proj_extra_deps opencv_java_android)
endif()
set(_native_deps "")
if(NOT android_proj_IGNORE_JAVA)
set(_native_deps opencv_java)
endif()
if(android_proj_native_deps)
list(APPEND _native_deps ${android_proj_native_deps})
endif()
if(_native_deps)
list(APPEND android_proj_extra_deps ${_native_deps})
endif()
if((android_proj_COPY_LIBS OR ANDROID_EXAMPLES_WITH_LIBS) AND _native_deps)
message(STATUS "Android project with native libs: " ${target} " (" ${_native_deps} ")")
ocv_copyfiles_append_dir(NATIVE_COPY "${OpenCV_BINARY_DIR}/lib" "${android_proj_bin_dir}/libs" "${OpenCV_BINARY_DIR}/lib/*.so")
ocv_copyfiles_add_target(${target}_copy_libs NATIVE_COPY "Copy native libs for project: ${target}" ${_native_deps})
list(APPEND android_proj_extra_deps ${target}_copy_libs)
endif()
add_custom_command(
OUTPUT "${android_proj_bin_dir}/bin/${target}-debug.apk"
COMMAND ${ANT_EXECUTABLE} -q -noinput -k debug -Djava.target=1.6 -Djava.source=1.6
COMMAND ${CMAKE_COMMAND} -E touch "${android_proj_bin_dir}/bin/${target}-debug.apk" # needed because ant does not update the timestamp of updated apk
WORKING_DIRECTORY "${android_proj_bin_dir}"
DEPENDS ${android_proj_extra_deps} ${android_proj_file_deps} ${JNI_LIB_NAME}
COMMENT "Generating ${target}-debug.apk"
)
unset(JNI_LIB_NAME)
add_custom_target(${target} ALL SOURCES "${android_proj_bin_dir}/bin/${target}-debug.apk" )
# There is some strange problem with concurrent Android .APK builds:
# <android-sdk>/tools/ant/build.xml:781: Problem reading <build_dir>/bin/classes.jar'
if(__android_project_chain)
add_dependencies(${target} ${__android_project_chain})
endif()
set(__android_project_chain ${target} CACHE INTERNAL "auxiliary variable used for Android progects chaining")
# put the final .apk to the OpenCV's bin folder
add_custom_command(TARGET ${target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "${android_proj_bin_dir}/bin/${target}-debug.apk" "${OpenCV_BINARY_DIR}/bin/${target}.apk")
if(INSTALL_ANDROID_EXAMPLES AND "${target}" MATCHES "^example-")
get_filename_component(sample_dir "${path}" NAME)
# apk
install(FILES "${OpenCV_BINARY_DIR}/bin/${target}.apk" DESTINATION "samples" COMPONENT samples)
# clear "external" project files (need to remove files generated by 'android' tool)
set(external_target_files ${ANDROID_PROJECT_FILES})
ocv_list_add_prefix(external_target_files "\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}/")
install(CODE "
MESSAGE(STATUS \"Cleaning generated project files from Android sample install directory: ${sample_dir}\")
FOREACH(f ${ANDROID_PROJECT_FILES})
FILE(REMOVE \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}/\${f}\")
ENDFOREACH()
" COMPONENT samples)
#java part
install(DIRECTORY "${android_proj_bin_dir}/res" DESTINATION "samples/${sample_dir}" COMPONENT samples)
install(DIRECTORY "${android_proj_bin_dir}/src" DESTINATION "samples/${sample_dir}" COMPONENT samples)
install(FILES "${android_proj_bin_dir}/${ANDROID_MANIFEST_FILE}" DESTINATION "samples/${sample_dir}" COMPONENT samples)
#jni part + eclipse files
file(GLOB_RECURSE jni_files RELATIVE "${path}" "${path}/jni/*" "${path}/.cproject")
ocv_list_filterout(jni_files "\\\\.svn")
foreach(f ${jni_files} ".classpath" ".project" ".settings/org.eclipse.jdt.core.prefs")
get_filename_component(install_subdir "${f}" PATH)
install(FILES "${path}/${f}" DESTINATION "samples/${sample_dir}/${install_subdir}" COMPONENT samples)
endforeach()
#update proj
if(android_proj_lib_deps_commands)
set(inst_lib_opt " --library ../../sdk/java")
endif()
install(CODE "
MESSAGE(STATUS \"Fixing Android library reference for sample: ${sample_dir}\")
EXECUTE_PROCESS(
COMMAND ${ANDROID_EXECUTABLE} --silent update project --path . --target \"${android_proj_sdk_target}\" --name \"${target}\" ${inst_lib_opt}
WORKING_DIRECTORY \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}\"
)
" COMPONENT samples)
# empty 'gen'
install(CODE "FILE(MAKE_DIRECTORY \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/samples/${sample_dir}/gen\")" COMPONENT samples)
endif()
endif()
endmacro()

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# https://developer.android.com/studio/releases/gradle-plugin
set(ANDROID_GRADLE_PLUGIN_VERSION "3.2.1" CACHE STRING "Android Gradle Plugin version")
message(STATUS "Android Gradle Plugin version: ${ANDROID_GRADLE_PLUGIN_VERSION}")
set(KOTLIN_PLUGIN_VERSION "1.4.10" CACHE STRING "Kotlin Plugin version")
message(STATUS "kotlin Plugin version: ${KOTLIN_GRADLE_PLUGIN_VERSION}")
if(BUILD_KOTLIN_EXTENSIONS)
set(KOTLIN_PLUGIN_DECLARATION "apply plugin: 'kotlin-android'" CACHE STRING "Kotlin Plugin version")
set(KOTLIN_STD_LIB "implementation 'org.jetbrains.kotlin:kotlin-stdlib:${KOTLIN_PLUGIN_VERSION}'" CACHE STRING "Kotlin Standard Library dependency")
else()
set(KOTLIN_PLUGIN_DECLARATION "" CACHE STRING "Kotlin Plugin version")
set(KOTLIN_STD_LIB "" CACHE STRING "Kotlin Standard Library dependency")
endif()
set(GRADLE_VERSION "5.6.4" CACHE STRING "Gradle version")
message(STATUS "Gradle version: ${GRADLE_VERSION}")
set(ANDROID_COMPILE_SDK_VERSION "26" CACHE STRING "Android compileSdkVersion")
if(ANDROID_NATIVE_API_LEVEL GREATER 21)
set(ANDROID_MIN_SDK_VERSION "${ANDROID_NATIVE_API_LEVEL}" CACHE STRING "Android minSdkVersion")
else()
set(ANDROID_MIN_SDK_VERSION "21" CACHE STRING "Android minSdkVersion")
endif()
set(ANDROID_TARGET_SDK_VERSION "26" CACHE STRING "Android minSdkVersion")
set(ANDROID_BUILD_BASE_DIR "${OpenCV_BINARY_DIR}/opencv_android" CACHE INTERNAL "")
set(ANDROID_TMP_INSTALL_BASE_DIR "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/install/opencv_android")
set(ANDROID_INSTALL_SAMPLES_DIR "samples")
set(ANDROID_BUILD_ABI_FILTER "
reset()
include '${ANDROID_ABI}'
")
set(ANDROID_INSTALL_ABI_FILTER "
//reset()
//include 'armeabi-v7a'
//include 'arm64-v8a'
//include 'x86'
//include 'x86_64'
")
if(NOT INSTALL_CREATE_DISTRIB)
set(ANDROID_INSTALL_ABI_FILTER "${ANDROID_BUILD_ABI_FILTER}")
endif()
# BUG: Ninja generator generates broken targets with ANDROID_ABI_FILTER name (CMake 3.11.2)
#set(__spaces " ")
#string(REPLACE "\n" "\n${__spaces}" ANDROID_ABI_FILTER "${__spaces}${ANDROID_BUILD_ABI_FILTER}")
#string(REPLACE REGEX "[ ]+$" "" ANDROID_ABI_FILTER "${ANDROID_ABI_FILTER}")
set(ANDROID_ABI_FILTER "${ANDROID_BUILD_ABI_FILTER}")
configure_file("${OpenCV_SOURCE_DIR}/samples/android/build.gradle.in" "${ANDROID_BUILD_BASE_DIR}/build.gradle" @ONLY)
set(ANDROID_ABI_FILTER "${ANDROID_INSTALL_ABI_FILTER}")
configure_file("${OpenCV_SOURCE_DIR}/samples/android/build.gradle.in" "${ANDROID_TMP_INSTALL_BASE_DIR}/${ANDROID_INSTALL_SAMPLES_DIR}/build.gradle" @ONLY)
install(FILES "${ANDROID_TMP_INSTALL_BASE_DIR}/${ANDROID_INSTALL_SAMPLES_DIR}/build.gradle" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}" COMPONENT samples)
configure_file("${OpenCV_SOURCE_DIR}/platforms/android/gradle-wrapper/gradle/wrapper/gradle-wrapper.properties.in" "${ANDROID_BUILD_BASE_DIR}/gradle/wrapper/gradle-wrapper.properties" @ONLY)
install(FILES "${ANDROID_BUILD_BASE_DIR}/gradle/wrapper/gradle-wrapper.properties" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}/gradle/wrapper" COMPONENT samples)
set(GRADLE_WRAPPER_FILES
"gradle/wrapper/gradle-wrapper.jar"
"gradlew.bat"
"gradlew"
"gradle.properties"
)
foreach(fname ${GRADLE_WRAPPER_FILES})
get_filename_component(__dir "${fname}" DIRECTORY)
set(__permissions "")
set(__permissions_prefix "")
if(fname STREQUAL "gradlew")
set(__permissions FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
endif()
file(COPY "${OpenCV_SOURCE_DIR}/platforms/android/gradle-wrapper/${fname}" DESTINATION "${ANDROID_BUILD_BASE_DIR}/${__dir}" ${__permissions})
string(REPLACE "FILE_PERMISSIONS" "PERMISSIONS" __permissions "${__permissions}")
if("${__dir}" STREQUAL "")
set(__dir ".")
endif()
install(FILES "${OpenCV_SOURCE_DIR}/platforms/android/gradle-wrapper/${fname}" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}/${__dir}" COMPONENT samples ${__permissions})
endforeach()
file(WRITE "${ANDROID_BUILD_BASE_DIR}/settings.gradle" "
include ':opencv'
")
file(WRITE "${ANDROID_TMP_INSTALL_BASE_DIR}/settings.gradle" "
rootProject.name = 'opencv_samples'
def opencvsdk='../'
//def opencvsdk='/<path to OpenCV-android-sdk>'
//println opencvsdk
include ':opencv'
project(':opencv').projectDir = new File(opencvsdk + '/sdk')
")
macro(add_android_project target path)
get_filename_component(__dir "${path}" NAME)
set(OPENCV_ANDROID_CMAKE_EXTRA_ARGS "")
if(DEFINED ANDROID_TOOLCHAIN)
set(OPENCV_ANDROID_CMAKE_EXTRA_ARGS "${OPENCV_ANDROID_CMAKE_EXTRA_ARGS},\n\"-DANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN}\"")
endif()
if(DEFINED ANDROID_STL)
set(OPENCV_ANDROID_CMAKE_EXTRA_ARGS "${OPENCV_ANDROID_CMAKE_EXTRA_ARGS},\n\"-DANDROID_STL=${ANDROID_STL}\"")
endif()
#
# Build
#
set(ANDROID_SAMPLE_JNI_PATH "${path}/jni")
set(ANDROID_SAMPLE_JAVA_PATH "${path}/src")
set(ANDROID_SAMPLE_RES_PATH "${path}/res")
set(ANDROID_SAMPLE_MANIFEST_PATH "${path}/gradle/AndroidManifest.xml")
set(ANDROID_ABI_FILTER "${ANDROID_BUILD_ABI_FILTER}")
set(ANDROID_PROJECT_JNI_PATH "../../")
string(REPLACE ";" "', '" ANDROID_SAMPLE_JAVA_PATH "['${ANDROID_SAMPLE_JAVA_PATH}']")
string(REPLACE ";" "', '" ANDROID_SAMPLE_RES_PATH "['${ANDROID_SAMPLE_RES_PATH}']")
configure_file("${path}/build.gradle.in" "${ANDROID_BUILD_BASE_DIR}/${__dir}/build.gradle" @ONLY)
file(APPEND "${ANDROID_BUILD_BASE_DIR}/settings.gradle" "
include ':${__dir}'
")
if (BUILD_ANDROID_EXAMPLES)
# build apk
set(APK_FILE "${ANDROID_BUILD_BASE_DIR}/${__dir}/build/outputs/apk/release/${__dir}-${ANDROID_ABI}-release-unsigned.apk")
ocv_update(OPENCV_GRADLE_VERBOSE_OPTIONS "-i")
add_custom_command(
OUTPUT "${APK_FILE}" "${OPENCV_DEPHELPER}/android_sample_${__dir}"
COMMAND ./gradlew ${OPENCV_GRADLE_VERBOSE_OPTIONS} "${__dir}:assemble"
COMMAND ${CMAKE_COMMAND} -E touch "${OPENCV_DEPHELPER}/android_sample_${__dir}"
WORKING_DIRECTORY "${ANDROID_BUILD_BASE_DIR}"
DEPENDS ${depends} opencv_java_android
COMMENT "Building OpenCV Android sample project: ${__dir}"
)
else() # install only
# copy samples
add_custom_command(
OUTPUT "${OPENCV_DEPHELPER}/android_sample_${__dir}"
COMMAND ${CMAKE_COMMAND} -E touch "${OPENCV_DEPHELPER}/android_sample_${__dir}"
WORKING_DIRECTORY "${ANDROID_BUILD_BASE_DIR}"
DEPENDS ${depends} opencv_java_android
COMMENT "Copying OpenCV Android sample project: ${__dir}"
)
endif()
file(REMOVE "${OPENCV_DEPHELPER}/android_sample_${__dir}") # force rebuild after CMake run
add_custom_target(android_sample_${__dir} ALL DEPENDS "${OPENCV_DEPHELPER}/android_sample_${__dir}" SOURCES "${ANDROID_SAMPLE_MANIFEST_PATH}")
#
# Install
#
set(ANDROID_SAMPLE_JNI_PATH "jni")
set(ANDROID_SAMPLE_JAVA_PATH "src")
set(ANDROID_SAMPLE_RES_PATH "res")
set(ANDROID_SAMPLE_MANIFEST_PATH "AndroidManifest.xml")
install(DIRECTORY "${path}/res" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}/${__dir}" COMPONENT samples OPTIONAL)
install(DIRECTORY "${path}/src" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}/${__dir}" COMPONENT samples)
install(DIRECTORY "${path}/jni" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}/${__dir}" COMPONENT samples OPTIONAL)
install(FILES "${path}/gradle/AndroidManifest.xml" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}/${__dir}" COMPONENT samples)
set(ANDROID_ABI_FILTER "${ANDROID_INSTALL_ABI_FILTER}")
set(ANDROID_PROJECT_JNI_PATH "native/jni")
string(REPLACE ";" "', '" ANDROID_SAMPLE_JAVA_PATH "['${ANDROID_SAMPLE_JAVA_PATH}']")
string(REPLACE ";" "', '" ANDROID_SAMPLE_RES_PATH "['${ANDROID_SAMPLE_RES_PATH}']")
configure_file("${path}/build.gradle.in" "${ANDROID_TMP_INSTALL_BASE_DIR}/${__dir}/build.gradle" @ONLY)
install(FILES "${ANDROID_TMP_INSTALL_BASE_DIR}/${__dir}/build.gradle" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}/${__dir}" COMPONENT samples)
file(APPEND "${ANDROID_TMP_INSTALL_BASE_DIR}/settings.gradle" "
include ':${__dir}'
")
endmacro()
install(FILES "${ANDROID_TMP_INSTALL_BASE_DIR}/settings.gradle" DESTINATION "${ANDROID_INSTALL_SAMPLES_DIR}" COMPONENT samples)