Tesseract OCR图像识别类库 v4.1.3.zip

# # tesseract # ############################################################################### # # cmake settings # ############################################################################### cmake_minimum_required(VERSION 3.6 FATAL_ERROR) # In-source builds are disabled. if ("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}") message(FATAL_ERROR "CMake generation is not possible within the source directory!" "\n Remove the CMakeCache.txt file and try again from another folder, e.g.:" "\n " "\n rm CMakeCache.txt" "\n mkdir build" "\n cd build" "\n cmake .." ) endif() set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_SOURCE_DIR}/cmake") set(EXECUTABLE_OUTPUT_PATH "${CMAKE_BINARY_DIR}/bin") set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${EXECUTABLE_OUTPUT_PATH}") # Use solution folders. set_property(GLOBAL PROPERTY USE_FOLDERS ON) set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER "CMake Targets") ############################################################################### # # project settings # ############################################################################### project(tesseract C CXX) # Get version with components from VERSION file. file(STRINGS "VERSION" VERSION_PLAIN) string(REGEX REPLACE "^([^.]*)\\..*" "\\1" VERSION_MAJOR ${VERSION_PLAIN}) string(REGEX REPLACE "^[^.]*\\.([^.]*)\\..*" "\\1" VERSION_MINOR ${VERSION_PLAIN}) string(REGEX REPLACE "^[^.]*\\.[^.]*\\.([0-9]*).*" "\\1" VERSION_PATCH ${VERSION_PLAIN}) if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git) execute_process(COMMAND git --git-dir ${CMAKE_CURRENT_SOURCE_DIR}/.git describe --abbrev=4 OUTPUT_VARIABLE GIT_REV) string(REGEX REPLACE "\n$" "" PACKAGE_VERSION "${GIT_REV}") endif() if(NOT PACKAGE_VERSION) set(PACKAGE_VERSION ${VERSION_PLAIN}) endif() # Provide also same macro names as autoconf (see configure.ac). set(GENERIC_MAJOR_VERSION ${VERSION_MAJOR}) set(GENERIC_MINOR_VERSION ${VERSION_MINOR}) set(GENERIC_MICRO_VERSION ${VERSION_PATCH}) set(MINIMUM_LEPTONICA_VERSION 1.74) ############################################################################### # # options # ############################################################################### message( "Configuring tesseract version ${PACKAGE_VERSION}...") option(CPPAN_BUILD "Build with cppan" ON) option(SW_BUILD "Build with sw" OFF) option(OPENMP_BUILD "Build with openmp support" OFF) # see issue #1662 option(AUTO_OPTIMIZE "Usage of cmake auto optimize macros (not suitable for portable build)" ON) option(GRAPHICS_DISABLED "Disable disable graphics (ScrollView)" OFF) option(DISABLED_LEGACY_ENGINE "Disable the legacy OCR engine" OFF) option(BUILD_TRAINING_TOOLS "Build training tools" ON) option(BUILD_TESTS "Build tests" OFF) if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.cppan OR SW_BUILD) set(CPPAN_BUILD OFF) endif() ############################################################################### # # compiler and linker # ############################################################################### if(NOT CMAKE_BUILD_TYPE) message(STATUS "Setting build type to 'Release' as none was specified.") set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE) set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release") endif() include(CheckCXXCompilerFlag) # Check for C++ standard to use get_property(known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES) if (cxx_std_17 IN_LIST known_features) set(CMAKE_CXX_STANDARD 17) elseif (cxx_std_14 IN_LIST known_features) set(CMAKE_CXX_STANDARD 14) else() # minimum required standard set(CMAKE_CXX_STANDARD 11) endif() # Avoid using experimental c++1y (c++1z) standard even if the compiler announces cxx14 (cxx17) # in CMAKE_CXX_KNOWN_FEATURES and CMAKE_CXX_COMPILE_FEATURES # It is the case of clang 3.9, 4.0 (announces c++1z) and gcc 4.8 (announces c++1y) if ("${CMAKE_CXX17_STANDARD_COMPILE_OPTION}" STREQUAL "-std=c++1z") set(CMAKE_CXX_STANDARD 14) endif() if ("${CMAKE_CXX14_STANDARD_COMPILE_OPTION}" STREQUAL "-std=c++1y") set(CMAKE_CXX_STANDARD 11) endif() set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) set(LIBRARY_TYPE SHARED) if (STATIC) set(LIBRARY_TYPE) endif() # auto optimize if (AUTO_OPTIMIZE) include(OptimizeForArchitecture) AutodetectHostArchitecture() OptimizeForArchitecture() endif() # Compiler specific environments if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") set(CLANG 1) endif() if(CMAKE_COMPILER_IS_GNUCXX OR MINGW) set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -DDEBUG -pedantic -Og") elseif(MSVC) add_definitions(-D_CRT_SECURE_NO_WARNINGS) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8") if (NOT CLANG) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP") endif() # Don't use /Wall because it generates too many warnings. set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /W4 /bigobj") endif() if(CLANG) # clang all platforms set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Wno-unused-command-line-argument") set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -DDEBUG -pedantic -O0") endif() if (OPENMP_BUILD) find_package(OpenMP QUIET) if (OpenMP_FOUND) message(">> ${OpenMP_FOUND} ${OpenMP_VERSION}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}") add_library(OpenMP::OpenMP_CXX IMPORTED INTERFACE) endif() # https://stackoverflow.com/questions/12399422/how-to-set-linker-flags-for-openmp-in-cmakes-try-compile-function if (NOT OpenMP_FOUND AND CLANG AND WIN32) # workaroung because find_package(OpenMP) does not work for clang-cl # https://gitlab.kitware.com/cmake/cmake/issues/19404 check_include_file_cxx(omp.h HAVE_OMP_H_INCLUDE) find_library(OpenMP_LIBRARY NAMES omp libomp.lib) message(">> OpenMP_LIBRARY: ${OpenMP_LIBRARY}") if (MSVC) set(OpenMP_CXX_FLAGS "${OpenMP_CXX_FLAGS} /openmp") else() set(OpenMP_CXX_FLAGS "${OpenMP_CXX_FLAGS} -fopenmp") endif() set(OpenMP_FOUND 1) add_definitions(-D_OPENMP=201107) # 3.1 version is supported from Clang 3.8.0 endif() endif() if (CYGWIN) add_definitions(-D__CYGWIN__) elseif(UNIX) if (NOT ANDROID) set(LIB_pthread pthread) endif() elseif(WIN32) set(LIB_Ws2_32 Ws2_32) endif() ############################################################################### # # packages # ############################################################################### if(CPPAN_BUILD) if (STATIC) set(CPPAN_BUILD_SHARED_LIBS 0) else() set(CPPAN_BUILD_SHARED_LIBS 1) endif() add_subdirectory(.cppan) elseif (SW_BUILD) find_package(SW REQUIRED) if (STATIC) set(SW_BUILD_SHARED_LIBS 0) else() set(SW_BUILD_SHARED_LIBS 1) endif() sw_add_package( org.sw.demo.danbloomberg.leptonica-master org.sw.demo.libarchive.libarchive ) if (BUILD_TRAINING_TOOLS) sw_add_package( org.sw.demo.gnome.pango.pangocairo org.sw.demo.unicode.icu.i18n ) endif() sw_execute() else() find_package(PkgConfig) if(PKG_CONFIG_EXECUTABLE AND NOT Leptonica_DIR) pkg_check_modules(Leptonica REQUIRED lept>=${MINIMUM_LEPTONICA_VERSION}) link_directories(${Leptonica_LIBRARY_DIRS}) else() find_package(Leptonica ${MINIMUM_LEPTONICA_VERSION} REQUIRED CONFIG) endif() if (NOT Leptonica_FOUND) message(FATAL_ERROR "Cannot find required library Leptonica. Quitting!") endif(NOT Leptonica_FOUND) find_package(LibArchive) if(LibArchive_FOUND) set(HAVE_LIBARCHIVE ON) endif() endif() find_package(OpenCL QUIET) ############################################################################### # # configure # ######################################