# Orthanc - A Lightweight, RESTful DICOM Store
# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
# Department, University Hospital of Liege, Belgium
# Copyright (C) 2017-2020 Osimis S.A., Belgium
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.


cmake_minimum_required(VERSION 2.8)

project(OrthancGdcm)

SET(PLUGIN_VERSION "mainline" CACHE STRING "Version of the plugin")

if (PLUGIN_VERSION STREQUAL "mainline")
  set(ORTHANC_FRAMEWORK_DEFAULT_VERSION "mainline")
  set(ORTHANC_FRAMEWORK_DEFAULT_SOURCE "hg")
else()
  set(ORTHANC_FRAMEWORK_DEFAULT_VERSION "1.7.0")
  set(ORTHANC_FRAMEWORK_DEFAULT_SOURCE "web")
endif()


# Parameters of the build
set(STATIC_BUILD OFF CACHE BOOL "Static build of the third-party libraries (necessary for Windows)")
set(STANDALONE_BUILD ON CACHE BOOL "Standalone build (all the resources are embedded, necessary for releases)")
set(ALLOW_DOWNLOADS OFF CACHE BOOL "Allow CMake to download packages")
set(ORTHANC_FRAMEWORK_SOURCE "${ORTHANC_FRAMEWORK_DEFAULT_SOURCE}" CACHE STRING "Source of the Orthanc framework (can be \"hg\", \"archive\", \"web\" or \"path\")")
set(ORTHANC_FRAMEWORK_VERSION "${ORTHANC_FRAMEWORK_DEFAULT_VERSION}" CACHE STRING "Version of the Orthanc framework")
set(ORTHANC_FRAMEWORK_ARCHIVE "" CACHE STRING "Path to the Orthanc archive, if ORTHANC_FRAMEWORK_SOURCE is \"archive\"")
set(ORTHANC_FRAMEWORK_ROOT "" CACHE STRING "Path to the Orthanc source directory, if ORTHANC_FRAMEWORK_SOURCE is \"path\"")
set(USE_LEGACY_GDCM OFF CACHE BOOL "Use the old branch 2.8.x of GDCM for static builds, which does not require a C++11 compiler (for LSB and old versions of Visual Studio)")

# Advanced parameters to fine-tune linking against system libraries
set(USE_SYSTEM_GDCM ON CACHE BOOL "Use the system version of Grassroot DICOM (GDCM)")
set(USE_SYSTEM_ORTHANC_SDK ON CACHE BOOL "Use the system version of the Orthanc plugin SDK")
set(ORTHANC_SDK_VERSION "1.7.0" CACHE STRING "Version of the Orthanc plugin SDK to use, if not using the system version (can be \"0.9.5\", \"1.7.0\", or \"framework\")")


# Download and setup the Orthanc framework
include(${CMAKE_SOURCE_DIR}/Resources/Orthanc/DownloadOrthancFramework.cmake)
include(${ORTHANC_ROOT}/Resources/CMake/OrthancFrameworkParameters.cmake)

set(ENABLE_LOCALE OFF CACHE INTERNAL "")      # Disable support for locales (notably in Boost)
set(ENABLE_MODULE_IMAGES OFF CACHE INTERNAL "")
set(ENABLE_MODULE_JOBS OFF CACHE INTERNAL "")

include(${ORTHANC_ROOT}/Resources/CMake/OrthancFrameworkConfiguration.cmake)
include_directories(${ORTHANC_ROOT})

include(${CMAKE_SOURCE_DIR}/Resources/CMake/GdcmConfiguration.cmake)


# Check that the Orthanc SDK headers are available
if (STATIC_BUILD OR NOT USE_SYSTEM_ORTHANC_SDK)
  if (ORTHANC_SDK_VERSION STREQUAL "0.9.5")
    include_directories(${CMAKE_SOURCE_DIR}/Resources/Orthanc/Sdk-0.9.5)
  elseif (ORTHANC_SDK_VERSION STREQUAL "1.7.0")
    include_directories(${CMAKE_SOURCE_DIR}/Resources/Orthanc/Sdk-1.7.0)
  elseif (ORTHANC_SDK_VERSION STREQUAL "framework")
    include_directories(${ORTHANC_ROOT}/Plugins/Include)
  else()
    message(FATAL_ERROR "Unsupported version of the Orthanc plugin SDK: ${ORTHANC_SDK_VERSION}")
  endif()
else ()
  CHECK_INCLUDE_FILE_CXX(orthanc/OrthancCPlugin.h HAVE_ORTHANC_H)
  if (NOT HAVE_ORTHANC_H)
    message(FATAL_ERROR "Please install the headers of the Orthanc plugins SDK")
  endif()
endif()


add_definitions(
  -DHAS_ORTHANC_EXCEPTION=1
  -DORTHANC_ENABLE_LOGGING_PLUGIN=1
  )

if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR
    ${CMAKE_SYSTEM_NAME} STREQUAL "kFreeBSD" OR
    ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
  link_libraries(rt)
elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
  SET(CMAKE_CXX_STANDARD_LIBRARIES "${CMAKE_CXX_STANDARD_LIBRARIES} -lws2_32")

  execute_process(
    COMMAND 
    ${PYTHON_EXECUTABLE} ${ORTHANC_ROOT}/Resources/WindowsResources.py
    ${PLUGIN_VERSION} "OrthancGdcm" OrthancGdcm.dll "Decoder and transcoder of DICOM images using GDCM"
    ERROR_VARIABLE Failure
    OUTPUT_FILE ${AUTOGENERATED_DIR}/Version.rc
    )

  if (Failure)
    message(FATAL_ERROR "Error while computing the version information: ${Failure}")
  endif()

  list(APPEND AUTOGENERATED_SOURCES  ${AUTOGENERATED_DIR}/Version.rc)
endif()

if (APPLE)
  SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -framework CoreFoundation")
  SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -framework CoreFoundation")
endif()


add_library(OrthancGdcm SHARED
  ${CMAKE_SOURCE_DIR}/Plugin/GdcmDecoderCache.cpp
  ${CMAKE_SOURCE_DIR}/Plugin/GdcmImageDecoder.cpp
  ${CMAKE_SOURCE_DIR}/Plugin/Plugin.cpp
  ${ORTHANC_CORE_SOURCES}
  ${ORTHANC_ROOT}/Plugins/Samples/Common/OrthancPluginCppWrapper.cpp
  )

target_link_libraries(OrthancGdcm ${GDCM_LIBRARIES})

if (STATIC_BUILD OR NOT USE_SYSTEM_GDCM)
  add_dependencies(OrthancGdcm GDCM)
endif()


message("Setting the version of the library to ${PLUGIN_VERSION}")
add_definitions(-DPLUGIN_VERSION="${PLUGIN_VERSION}")

set_target_properties(OrthancGdcm PROPERTIES 
  VERSION ${PLUGIN_VERSION} 
  SOVERSION ${PLUGIN_VERSION})

install(
  TARGETS OrthancGdcm
  RUNTIME DESTINATION lib    # Destination for Windows
  LIBRARY DESTINATION share/orthanc/plugins    # Destination for Linux
  )