# Orthanc - A Lightweight, RESTful DICOM Store
# Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
# Department, University Hospital of Liege, Belgium
# Copyright (C) 2017-2023 Osimis S.A., Belgium
# Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
#
# This program is free software: you can redistribute it and/or
# modify it under the terms of the GNU Affero 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
# Affero General Public License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.


if (STATIC_BUILD OR NOT USE_SYSTEM_OPENJPEG)
  SET(OPENJPEG_SOURCES_DIR ${CMAKE_BINARY_DIR}/openjpeg-2.4.0)
  SET(OPENJPEG_URL "https://orthanc.uclouvain.be/downloads/third-party-downloads/openjpeg-2.4.0.tar.gz")
  SET(OPENJPEG_MD5 "4d388298335947367e91f1d100468af1")

  if (IS_DIRECTORY "${OPENJPEG_SOURCES_DIR}")
    set(FirstRun OFF)
  else()
    set(FirstRun ON)
  endif()

  DownloadPackage(${OPENJPEG_MD5} ${OPENJPEG_URL} "${OPENJPEG_SOURCES_DIR}")

  if (USE_OPENJPEG_JP2)
    set(OPENJPEG_SOURCES
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/bench_dwt.c
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/cidx_manager.c
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/phix_manager.c
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/ppix_manager.c
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/t1_generate_luts.c
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/test_sparse_array.c
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/thix_manager.c
      # ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/tpix_manager.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/bio.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/cio.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/dwt.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/event.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/function_list.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/image.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/invert.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/j2k.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/jp2.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/mct.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/mqc.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/openjpeg.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_clock.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_malloc.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/pi.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/sparse_array.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/t1.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/t2.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/tcd.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/tgt.c
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/thread.c
      )

    configure_file(
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_config.h.cmake.in
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_config.h
      @ONLY
      )
    
    configure_file(
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_config_private.h.cmake.in
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_config_private.h
      @ONLY
      )

    include_directories(
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2
      )

  else()
    AUX_SOURCE_DIRECTORY(${OPENJPEG_SOURCES_DIR}/src/lib/openmj2 OPENJPEG_SOURCES)

    configure_file(
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_config.h.cmake.in
      ${OPENJPEG_SOURCES_DIR}/src/lib/openmj2/opj_config.h
      @ONLY
      )
    
    configure_file(
      ${OPENJPEG_SOURCES_DIR}/src/lib/openjp2/opj_config_private.h.cmake.in
      ${OPENJPEG_SOURCES_DIR}/src/lib/openmj2/opj_config_private.h
      @ONLY
      )

    include_directories(
      ${OPENJPEG_SOURCES_DIR}/src/lib/openmj2
      )
  endif()


  add_definitions(
    -DOPJ_STATIC
    -DORTHANC_OPENJPEG_MAJOR_VERSION=2
    )

  if (NOT WIN32)
    add_definitions(
      -DOPJ_HAVE_STDINT_H=1
      -DOPJ_HAVE_INTTYPES_H=1
      )
  endif()

  source_group(ThirdParty\\OpenJPEG REGULAR_EXPRESSION ${OPENJPEG_SOURCES_DIR}/.*)

else()
  find_path(OPENJPEG_INCLUDE_DIR 
    NAMES openjpeg.h
    PATHS
    /usr/include/
    /usr/include/openjpeg-2.1/
    /usr/include/openjpeg-2.2/
    /usr/include/openjpeg-2.3/
    /usr/include/openjpeg-2.4/
    /usr/include/openjpeg-2.5/
    /usr/local/include/
    )

  CHECK_INCLUDE_FILE_CXX(${OPENJPEG_INCLUDE_DIR}/openjpeg.h HAVE_OPENJPEG_H)
  if (NOT HAVE_OPENJPEG_H)
    message(FATAL_ERROR "Please install the OpenJPEG development package (libopenjp2-*dev on Ubuntu)")
  endif()

  CHECK_LIBRARY_EXISTS(openjpeg opj_image_create "" HAVE_OPENJPEG_LIB)
  if (HAVE_OPENJPEG_LIB)
      set(OPENJPEG_LIB openjpeg)
  else()
    # Search for alternative name "libopenjp2.so" that is notably used by Debian
    CHECK_LIBRARY_EXISTS(openjp2 opj_image_create "" HAVE_OPENJP2_LIB)
    
    if (HAVE_OPENJP2_LIB)
      set(OPENJPEG_LIB openjp2)
    else()
      message(FATAL_ERROR "Please install the OpenJPEG development package")
    endif()
  endif()

  # Detection of the version of OpenJpeg
  set(CMAKE_REQUIRED_INCLUDES ${OPENJPEG_INCLUDE_DIR})
  set(CMAKE_REQUIRED_LIBRARIES ${OPENJPEG_LIB})

  CHECK_SYMBOL_EXISTS(opj_destroy_decompress openjpeg.h HAVE_OPENJPEG_1)
  if (HAVE_OPENJPEG_1)
    message("Your system has OpenJPEG version 1")
    add_definitions(-DORTHANC_OPENJPEG_MAJOR_VERSION=1)
  else()
    CHECK_SYMBOL_EXISTS(opj_destroy_codec openjpeg.h HAVE_OPENJPEG_2)
    if (HAVE_OPENJPEG_2)
      message("Your system has OpenJPEG version 2")
      add_definitions(-DORTHANC_OPENJPEG_MAJOR_VERSION=2)
    else()
      message(FATAL_ERROR "Cannot detect your system version of OpenJPEG")
    endif()
  endif()
    
  link_libraries(${OPENJPEG_LIB})
  include_directories(${OPENJPEG_INCLUDE_DIR})

  unset(CMAKE_REQUIRED_INCLUDES)
  unset(CMAKE_REQUIRED_LIBRARIES)
endif()