Working arrange_objects with DJD selection heuristic and a bottom-left placement strategy.

xs/src/libnest2d/CMakeLists.txt

@@ -0,0 +1,81 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(Libnest2D)
+
+enable_testing()
+
+if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
+  # Update if necessary
+#  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long -pedantic")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wno-long-long ")
+endif()
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED)
+
+# Add our own cmake module path.
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake_modules/)
+
+option(LIBNEST2D_UNITTESTS "If enabled, googletest framework will be downloaded
+    and the provided unit tests will be included in the build." OFF)
+
+#set(LIBNEST2D_GEOMETRIES_TARGET "" CACHE STRING
+#    "Build libnest2d with geometry classes implemented by the chosen target.")
+
+#set(libnest2D_TEST_LIBRARIES "" CACHE STRING
+#    "Libraries needed to compile the test executable for libnest2d.")
+
+
+set(LIBNEST2D_SRCFILES
+    libnest2d/libnest2d.hpp       # Templates only
+    libnest2d.h         # Exports ready made types using template arguments
+    libnest2d/geometry_traits.hpp
+    libnest2d/geometries_io.hpp
+    libnest2d/common.hpp
+    libnest2d/placers/placer_boilerplate.hpp
+    libnest2d/placers/bottomleftplacer.hpp
+    libnest2d/placers/nfpplacer.hpp
+    libnest2d/geometries_nfp.hpp
+    libnest2d/selections/selection_boilerplate.hpp
+    libnest2d/selections/filler.hpp
+    libnest2d/selections/firstfit.hpp
+    libnest2d/selections/djd_heuristic.hpp
+    )
+
+if((NOT LIBNEST2D_GEOMETRIES_TARGET) OR (LIBNEST2D_GEOMETRIES_TARGET STREQUAL ""))
+    message(STATUS "libnest2D backend is default")
+
+    if(NOT Boost_INCLUDE_DIRS_FOUND)
+        find_package(Boost REQUIRED)
+        # TODO automatic download of boost geometry headers
+    endif()
+
+    add_subdirectory(libnest2d/clipper_backend)
+
+    set(LIBNEST2D_GEOMETRIES_TARGET ${CLIPPER_LIBRARIES})
+
+    include_directories(BEFORE ${CLIPPER_INCLUDE_DIRS})
+    include_directories(${Boost_INCLUDE_DIRS})
+
+    list(APPEND LIBNEST2D_SRCFILES libnest2d/clipper_backend/clipper_backend.cpp
+                                   libnest2d/clipper_backend/clipper_backend.hpp
+                                   libnest2d/boost_alg.hpp)
+
+else()
+    message(STATUS "Libnest2D backend is: ${LIBNEST2D_GEOMETRIES_TARGET}")
+endif()
+
+add_library(libnest2d STATIC ${LIBNEST2D_SRCFILES} )
+target_link_libraries(libnest2d ${LIBNEST2D_GEOMETRIES_TARGET})
+target_include_directories(libnest2d PUBLIC ${CMAKE_SOURCE_DIR})
+
+set(LIBNEST2D_HEADERS ${CMAKE_CURRENT_SOURCE_DIR})
+
+get_directory_property(hasParent PARENT_DIRECTORY)
+if(hasParent)
+    set(LIBNEST2D_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR} PARENT_SCOPE)
+endif()
+
+if(LIBNEST2D_UNITTESTS)
+    add_subdirectory(tests)
+endif()