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https://github.com/opencv/opencv.git
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Add experimental support for desktop Java
Based on pull request #31 (thanks to Eric Christiansen) Support for Java is turned off by default and can be enabled setting BUILD_opencv_java to ON (e.g. cmake -DBUILD_opencv_java=ON ..)
This commit is contained in:
Andrey Kamaev
parent
ece71d6a06
commit
fe0d07ae53
@ -396,14 +396,16 @@ endif(BUILD_DOCS)
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include(cmake/OpenCVDetectPython.cmake)
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# --- Java Support ---
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include(cmake/OpenCVDetectApacheAnt.cmake)
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if(ANDROID)
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include(cmake/OpenCVDetectApacheAnt.cmake)
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include(cmake/OpenCVDetectAndroidSDK.cmake)
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if(NOT ANDROID_TOOLS_Pkg_Revision GREATER 13)
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message(WARNING "OpenCV requires Android SDK tools revision 14 or newer. Otherwise tests and samples will no be compiled.")
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endif()
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endif(ANDROID)
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elseif(ANT_EXECUTABLE)
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find_package(JNI)
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endif()
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if(ANDROID AND ANDROID_EXECUTABLE AND ANT_EXECUTABLE AND (ANT_VERSION VERSION_GREATER 1.7) AND (ANDROID_TOOLS_Pkg_Revision GREATER 13))
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SET(CAN_BUILD_ANDROID_PROJECTS TRUE)
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@ -1,14 +1,23 @@
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# ----------------------------------------------------------------------------
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# CMake file for java support
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# ----------------------------------------------------------------------------
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if(NOT ANDROID OR NOT PYTHON_EXECUTABLE OR ANDROID_NATIVE_API_LEVEL LESS 8)
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if(IOS OR NOT PYTHON_EXECUTABLE OR NOT (JNI_FOUND OR (ANDROID AND ANDROID_NATIVE_API_LEVEL GREATER 7)))
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ocv_module_disable(java)
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endif()
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if(NOT ANDROID)
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# disable java by default because java support on desktop is experimental
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set(BUILD_opencv_java_INIT OFF)
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endif()
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set(the_description "The java bindings")
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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)
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ocv_module_include_directories("${CMAKE_CURRENT_SOURCE_DIR}/generator/src/cpp")
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if(NOT ANDROID)
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include_directories(${JNI_INCLUDE_DIRS})
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endif()
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# get list of modules to wrap
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string(REPLACE "opencv_" "" OPENCV_JAVA_MODULES "${OPENCV_MODULE_${the_module}_REQ_DEPS};${OPENCV_MODULE_${the_module}_OPT_DEPS}")
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foreach(module ${OPENCV_JAVA_MODULES})
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@ -123,7 +132,12 @@ set(JNI_INSTALL_ROOT "sdk/native")
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# copy each documented header to the final destination
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set(java_files "")
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foreach(java_file ${documented_java_files} ${handwrittren_aidl_sources})
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set(source_java_files ${documented_java_files} ${handwrittren_aidl_sources})
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if(NOT ANDROID)
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ocv_list_filterout(source_java_files "/(engine|android)\\\\+")
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endif()
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foreach(java_file ${source_java_files})
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get_filename_component(java_file_name "${java_file}" NAME)
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string(REPLACE "-jdoc.java" ".java" java_file_name "${java_file_name}")
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string(REPLACE "+" "/" java_file_name "${java_file_name}")
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@ -175,6 +189,7 @@ set_target_properties(${the_module} PROPERTIES
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install(TARGETS ${the_module} LIBRARY DESTINATION ${OPENCV_LIB_INSTALL_PATH} COMPONENT main)
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set(lib_target ${the_module}_library)
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if(ANDROID)
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target_link_libraries(${the_module} jnigraphics) # for Mat <=> Bitmap converters
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@ -223,8 +238,6 @@ if(ANDROID)
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# create Android library project in build folder
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if(ANDROID_EXECUTABLE)
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set(lib_target ${the_module}_android_library)
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set(lib_target_files ${ANDROID_LIB_PROJECT_FILES})
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ocv_list_add_prefix(lib_target_files "${OpenCV_BINARY_DIR}/")
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@ -263,12 +276,26 @@ if(ANDROID)
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endif()
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add_custom_target(${lib_target} SOURCES ${lib_proj_files} ${lib_target_files} "${OpenCV_BINARY_DIR}/${ANDROID_MANIFEST_FILE}")
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add_dependencies(${lib_target} ${api_target})
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add_dependencies(${the_module} ${lib_target})
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endif()
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else(ANDROID)
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configure_file("${CMAKE_CURRENT_SOURCE_DIR}/jar/build.xml" "${OpenCV_BINARY_DIR}/build.xml" IMMEDIATE @ONLY)
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set(JAR_NAME opencv-${OPENCV_VERSION_MAJOR}.${OPENCV_VERSION_MINOR}.${OPENCV_VERSION_PATCH}.jar)
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add_custom_command(
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OUTPUT "${OpenCV_BINARY_DIR}/bin/${JAR_NAME}" "${OpenCV_BINARY_DIR}/bin/.${JAR_NAME}.dephelper"
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COMMAND ${ANT_EXECUTABLE} -q -noinput -k jar
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COMMAND ${CMAKE_COMMAND} -E touch "${OpenCV_BINARY_DIR}/bin/.${JAR_NAME}.dephelper"
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WORKING_DIRECTORY "${OpenCV_BINARY_DIR}"
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DEPENDS "${OpenCV_BINARY_DIR}/build.xml" ${java_files}
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COMMENT "Generating ${JAR_NAME}"
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)
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add_custom_target(${lib_target} SOURCES "${OpenCV_BINARY_DIR}/bin/${JAR_NAME}")
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endif(ANDROID)
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add_dependencies(${lib_target} ${api_target})
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add_dependencies(${the_module} ${lib_target})
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#android test project
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if(ANDROID AND BUILD_TESTS)
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add_subdirectory(android_test)
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@ -871,7 +871,7 @@ public class %(jc)s {
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#include "converters.h"
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#ifdef DEBUG
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#if defined DEBUG && defined ANDROID
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#include <android/log.h>
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#define MODULE_LOG_TAG "OpenCV.%(m)s"
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#define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, MODULE_LOG_TAG, __VA_ARGS__))
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@ -2,6 +2,8 @@
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#include "converters.h"
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#ifdef ANDROID
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#include <android/log.h>
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#define LOG_TAG "org.opencv.core.Mat"
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#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__))
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@ -11,6 +13,11 @@
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#define LOGD(...)
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#endif //DEBUG
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#else
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#define LOGE(...)
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#define LOGD(...)
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#endif
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#include "opencv2/core/core.hpp"
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using namespace cv;
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@ -3,6 +3,8 @@
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#include "opencv2/core/core.hpp"
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#include "opencv2/imgproc/imgproc.hpp"
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#ifdef ANDROID
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#include <android/bitmap.h>
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#include <android/log.h>
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@ -165,3 +167,5 @@ JNIEXPORT void JNICALL Java_org_opencv_android_Utils_nMatToBitmap
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}
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} // extern "C"
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#endif //ANDROID
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15
modules/java/jar/build.xml
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15
modules/java/jar/build.xml
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@ -0,0 +1,15 @@
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<!-- This is an Apache Ant build file. As part of the desktop java build -->
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<!-- process, this config is used to package the autogenerated .java -->
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<!-- interface files into OpenCV.jar -->
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<project name="OpenCV">
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<target name="jar">
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<!-- This is to make a jar with a source attachment, for e.g. easy -->
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<!-- navigation in Eclipse. See this question: -->
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<!-- http://stackoverflow.com/questions/3584968/ant-how-to-compile-jar-that-includes-source-attachment -->
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<javac sourcepath="" srcdir="src" destdir="src" debug="on" includeantruntime="false" >
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<include name="**/*.java"/>
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</javac>
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<jar basedir="src" destfile="bin/opencv-@OPENCV_VERSION_MAJOR@.@OPENCV_VERSION_MINOR@.@OPENCV_VERSION_PATCH@.jar"/>
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</target>
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</project>
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