# (c)2017-2022, Wouter Caarls
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


file(GLOB DIP_VIEWER_SRC
     "${CMAKE_CURRENT_LIST_DIR}/src/*.cpp"
     "${CMAKE_CURRENT_LIST_DIR}/src/*.h"
     "${CMAKE_CURRENT_LIST_DIR}/src/manager/*.cpp"
     "${CMAKE_CURRENT_LIST_DIR}/src/manager/*.h"
     "${PROJECT_SOURCE_DIR}/include/dipviewer.h"
     "${PROJECT_SOURCE_DIR}/include/diplib/viewer/*.h")
update_deps_file("DIPviewer_sources" "${DIP_VIEWER_SRC}")
add_library(DIPviewer ${DIP_VIEWER_SRC})
if(DIP_SHARED_LIBRARY)
   target_compile_definitions(DIPviewer PRIVATE DIP_CONFIG_DIPVIEWER_BUILD_SHARED)
else()
   target_compile_definitions(DIPviewer PUBLIC DIP_CONFIG_DIPVIEWER_IS_STATIC)
endif()

# C++ version, etc.
set_target_properties(DIPviewer PROPERTIES CXX_STANDARD 14 CXX_STANDARD_REQUIRED On CXX_EXTENSIONS Off)
set_target_properties(DIPviewer PROPERTIES CXX_VISIBILITY_PRESET hidden VISIBILITY_INLINES_HIDDEN 1)

# Dependencies
target_link_libraries(DIPviewer PRIVATE DIP Threads::Threads)
if(FREEGLUT_FOUND)
   target_compile_definitions(DIPviewer PUBLIC DIP_CONFIG_HAS_FREEGLUT)
   target_link_libraries(DIPviewer PRIVATE FREEGLUT::FREEGLUT)
   if (FREEGLUT_STATIC)
      target_compile_definitions(DIPviewer PRIVATE FREEGLUT_STATIC)
   endif()
endif()
if(GLFW_FOUND)
   target_compile_definitions(DIPviewer PUBLIC DIP_CONFIG_HAS_GLFW)
   target_link_libraries(DIPviewer PRIVATE GLFW::GLFW)
endif()
if(TARGET OpenGL::GL)
   target_link_libraries(DIPviewer PRIVATE OpenGL::GL)
else() # For older CMakes:
   target_link_libraries(DIPviewer PRIVATE ${OPENGL_LIBRARIES})
   target_include_directories(DIPviewer PRIVATE ${OPENGL_INCLUDE_DIR})
endif()

# rpath
if(APPLE)
   set_target_properties(DIPviewer PROPERTIES INSTALL_RPATH "@loader_path")
   target_compile_definitions(DIPviewer PRIVATE GL_SILENCE_DEPRECATION) # MacOS 10.14 deprecates OpenGL
else()
   set_target_properties(DIPviewer PROPERTIES INSTALL_RPATH "$ORIGIN")
endif()

# Standalone viewer application
# This can be distributed to systems without a jvm installed
set(DIPVIEW_TARGETS dipview)
add_executable(dipview src/dipview/dipview.cpp)
target_link_libraries(dipview DIP DIPviewer)

# Standalone viewer application with JavaIO support
if(DIP_BUILD_JAVAIO)
  set(DIPVIEW_TARGETS ${DIPVIEW_TARGETS} dipviewjava)
  add_executable(dipviewjava src/dipview/dipview.cpp)
  target_compile_definitions(dipviewjava PRIVATE DIPVIEW_WITH_JAVAIO)
  target_link_libraries(dipviewjava DIP DIPviewer DIPjavaio)
endif()

if(APPLE)
   set_target_properties(${DIPVIEW_TARGETS} PROPERTIES INSTALL_RPATH "@loader_path/../${LIBRARY_DESTINATION}/")
else()
   set_target_properties(${DIPVIEW_TARGETS} PROPERTIES INSTALL_RPATH "$ORIGIN/../${LIBRARY_DESTINATION}/")
endif()

# Install
install(TARGETS DIPviewer EXPORT DIPlibTargets ${DIP_DESTINATIONS})
install(TARGETS ${DIPVIEW_TARGETS} ${DIP_DESTINATIONS})
install(FILES "${PROJECT_SOURCE_DIR}/include/dipviewer.h" DESTINATION include)
install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/diplib/viewer" DESTINATION include/diplib)