From fbc174ad061a0c6dbbd2cc66455e4bd949517af3 Mon Sep 17 00:00:00 2001 From: tamasmeszaros Date: Mon, 14 Oct 2019 12:50:08 +0200 Subject: [PATCH] Fix cmake with msvc generator. * Remove unused libnest2d files. Make it use the global build script targets. * Modify FindTBB to address multi-config builds and take care of __TBB_NO_IMPLICIT_LINKAGE * Move FindNLopt to project common cmake module dir * Rename libnest.hpp to nester.hpp and libnest.h to libnest.hpp * Clean up common test suite build scripts --- CMakeLists.txt | 16 +- .../modules}/FindNLopt.cmake | 18 +- cmake/modules/FindTBB.cmake | 32 +- src/CMakeLists.txt | 1 - src/libnest2d/CMakeLists.txt | 129 +- .../cmake_modules/DownloadNLopt.cmake | 35 - .../DownloadProject.CMakeLists.cmake.in | 17 - .../cmake_modules/DownloadProject.cmake | 182 - src/libnest2d/cmake_modules/FindClipper.cmake | 58 - src/libnest2d/include/libnest2d.h | 134 - .../libnest2d/backends/clipper/CMakeLists.txt | 73 - .../include/libnest2d/geometry_traits_nfp.hpp | 451 ++- src/libnest2d/include/libnest2d/libnest2d.hpp | 949 +---- src/libnest2d/include/libnest2d/nester.hpp | 869 +++++ .../libnest2d/optimizers/nlopt/CMakeLists.txt | 61 - .../libnest2d/placers/placer_boilerplate.hpp | 2 +- .../selections/selection_boilerplate.hpp | 10 +- src/libnest2d/src/libnest2d.cpp | 15 +- src/libnest2d/tests/CMakeLists.txt | 60 - src/libnest2d/tests/printer_parts.cpp | 3175 ----------------- src/libnest2d/tests/printer_parts.h | 14 - src/libnest2d/tests/test.cpp | 1062 ------ src/libslic3r/CMakeLists.txt | 4 +- src/libslic3r/Time.cpp | 2 +- tests/CMakeLists.txt | 15 +- tests/example/CMakeLists.txt | 4 +- tests/libnest2d/CMakeLists.txt | 2 +- tests/libnest2d/libnest2d_tests_main.cpp | 46 +- tests/sla_print/CMakeLists.txt | 2 +- tests/timeutils/CMakeLists.txt | 8 +- 30 files changed, 1536 insertions(+), 5910 deletions(-) rename {src/libnest2d/cmake_modules => cmake/modules}/FindNLopt.cmake (92%) delete mode 100644 src/libnest2d/cmake_modules/DownloadNLopt.cmake delete mode 100644 src/libnest2d/cmake_modules/DownloadProject.CMakeLists.cmake.in delete mode 100644 src/libnest2d/cmake_modules/DownloadProject.cmake delete mode 100644 src/libnest2d/cmake_modules/FindClipper.cmake delete mode 100644 src/libnest2d/include/libnest2d.h delete mode 100644 src/libnest2d/include/libnest2d/backends/clipper/CMakeLists.txt create mode 100644 src/libnest2d/include/libnest2d/nester.hpp delete mode 100644 src/libnest2d/include/libnest2d/optimizers/nlopt/CMakeLists.txt delete mode 100644 src/libnest2d/tests/CMakeLists.txt delete mode 100644 src/libnest2d/tests/printer_parts.cpp delete mode 100644 src/libnest2d/tests/printer_parts.h delete mode 100644 src/libnest2d/tests/test.cpp diff --git a/CMakeLists.txt b/CMakeLists.txt index 93339eb0b..7b1d73f89 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -291,14 +291,14 @@ if(SLIC3R_STATIC) endif() set(TBB_DEBUG 1) find_package(TBB REQUIRED) -include_directories(${TBB_INCLUDE_DIRS}) -add_definitions(${TBB_DEFINITIONS}) -if(MSVC) - # Suppress implicit linking of the TBB libraries by the Visual Studio compiler. - add_definitions(-D__TBB_NO_IMPLICIT_LINKAGE) -endif() +# include_directories(${TBB_INCLUDE_DIRS}) +# add_definitions(${TBB_DEFINITIONS}) +# if(MSVC) +# # Suppress implicit linking of the TBB libraries by the Visual Studio compiler. +# add_definitions(-D__TBB_NO_IMPLICIT_LINKAGE) +# endif() # The Intel TBB library will use the std::exception_ptr feature of C++11. -add_definitions(-DTBB_USE_CAPTURED_EXCEPTION=0) +# add_definitions(-DTBB_USE_CAPTURED_EXCEPTION=0) find_package(CURL REQUIRED) include_directories(${CURL_INCLUDE_DIRS}) @@ -375,6 +375,8 @@ add_custom_target(pot COMMENT "Generate pot file from strings in the source tree" ) +find_package(NLopt 1.4 REQUIRED) + # libslic3r, PrusaSlicer GUI and the PrusaSlicer executable. add_subdirectory(src) set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT PrusaSlicer_app_console) diff --git a/src/libnest2d/cmake_modules/FindNLopt.cmake b/cmake/modules/FindNLopt.cmake similarity index 92% rename from src/libnest2d/cmake_modules/FindNLopt.cmake rename to cmake/modules/FindNLopt.cmake index 2f813b6aa..912ce8d30 100644 --- a/src/libnest2d/cmake_modules/FindNLopt.cmake +++ b/cmake/modules/FindNLopt.cmake @@ -21,8 +21,7 @@ set(NLopt_FOUND FALSE) set(NLopt_ERROR_REASON "") set(NLopt_DEFINITIONS "") -set(NLopt_LIBS) - +unset(NLopt_LIBS CACHE) set(NLopt_DIR $ENV{NLOPT}) if(NOT NLopt_DIR) @@ -48,15 +47,14 @@ if(NOT NLopt_DIR) set(NLopt_ERROR_REASON "${NLopt_ERROR_REASON} Cannot find NLopt header file '${_NLopt_HEADER_FILE_NAME}'.") endif() unset(_NLopt_HEADER_FILE_NAME) - unset(_NLopt_HEADER_FILE) - + if(NOT NLopt_FOUND) set(NLopt_ERROR_REASON "${NLopt_ERROR_REASON} NLopt not found in system directories (and environment variable NLOPT is not set).") else() get_filename_component(NLopt_INCLUDE_DIR ${_NLopt_HEADER_FILE} DIRECTORY ) endif() - + unset(_NLopt_HEADER_FILE CACHE) else() @@ -95,7 +93,7 @@ else() set(NLopt_ERROR_REASON "${NLopt_ERROR_REASON} Cannot find NLopt header file '${_NLopt_HEADER_FILE_NAME}' in '${NLopt_INCLUDE_DIR}'.") endif() unset(_NLopt_HEADER_FILE_NAME) - unset(_NLopt_HEADER_FILE) + unset(_NLopt_HEADER_FILE CACHE) endif() @@ -114,10 +112,10 @@ if(NLopt_FOUND) message(STATUS "Found NLopt in '${NLopt_DIR}'.") message(STATUS "Using NLopt include directory '${NLopt_INCLUDE_DIR}'.") message(STATUS "Using NLopt library '${NLopt_LIBS}'.") - add_library(Nlopt::Nlopt INTERFACE IMPORTED) - set_target_properties(Nlopt::Nlopt PROPERTIES INTERFACE_LINK_LIBRARIES ${NLopt_LIBS}) - set_target_properties(Nlopt::Nlopt PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${NLopt_INCLUDE_DIR}) - set_target_properties(Nlopt::Nlopt PROPERTIES INTERFACE_COMPILE_DEFINITIONS "${NLopt_DEFINITIONS}") + add_library(NLopt::nlopt INTERFACE IMPORTED) + set_target_properties(NLopt::nlopt PROPERTIES INTERFACE_LINK_LIBRARIES ${NLopt_LIBS}) + set_target_properties(NLopt::nlopt PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${NLopt_INCLUDE_DIR}) + set_target_properties(NLopt::nlopt PROPERTIES INTERFACE_COMPILE_DEFINITIONS "${NLopt_DEFINITIONS}") # target_link_libraries(Nlopt::Nlopt INTERFACE ${NLopt_LIBS}) # target_include_directories(Nlopt::Nlopt INTERFACE ${NLopt_INCLUDE_DIR}) # target_compile_definitions(Nlopt::Nlopt INTERFACE ${NLopt_DEFINITIONS}) diff --git a/cmake/modules/FindTBB.cmake b/cmake/modules/FindTBB.cmake index e5115ab44..153e615eb 100644 --- a/cmake/modules/FindTBB.cmake +++ b/cmake/modules/FindTBB.cmake @@ -250,26 +250,23 @@ if(NOT TBB_FOUND) endif() endforeach() - unset(TBB_STATIC_SUFFIX) - ################################## # Set compile flags and libraries ################################## set(TBB_DEFINITIONS_RELEASE "") - set(TBB_DEFINITIONS_DEBUG "-DTBB_USE_DEBUG=1") + set(TBB_DEFINITIONS_DEBUG "TBB_USE_DEBUG=1") if(TBB_LIBRARIES_${TBB_BUILD_TYPE}) - set(TBB_DEFINITIONS "${TBB_DEFINITIONS_${TBB_BUILD_TYPE}}") set(TBB_LIBRARIES "${TBB_LIBRARIES_${TBB_BUILD_TYPE}}") - elseif(TBB_LIBRARIES_RELEASE) - set(TBB_DEFINITIONS "${TBB_DEFINITIONS_RELEASE}") - set(TBB_LIBRARIES "${TBB_LIBRARIES_RELEASE}") - elseif(TBB_LIBRARIES_DEBUG) - set(TBB_DEFINITIONS "${TBB_DEFINITIONS_DEBUG}") - set(TBB_LIBRARIES "${TBB_LIBRARIES_DEBUG}") endif() + if (MSVC AND TBB_STATIC) + set(TBB_DEFINITIONS __TBB_NO_IMPLICIT_LINKAGE) + endif () + + unset (TBB_STATIC_SUFFIX) + find_package_handle_standard_args(TBB REQUIRED_VARS TBB_INCLUDE_DIRS TBB_LIBRARIES HANDLE_COMPONENTS @@ -280,25 +277,18 @@ if(NOT TBB_FOUND) ################################## if(NOT CMAKE_VERSION VERSION_LESS 3.0 AND TBB_FOUND) - add_library(tbb UNKNOWN IMPORTED) - set_target_properties(tbb PROPERTIES + add_library(TBB::tbb UNKNOWN IMPORTED) + set_target_properties(TBB::tbb PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${TBB_INCLUDE_DIRS} IMPORTED_LOCATION ${TBB_LIBRARIES}) if(TBB_LIBRARIES_RELEASE AND TBB_LIBRARIES_DEBUG) - set_target_properties(tbb PROPERTIES - INTERFACE_COMPILE_DEFINITIONS "$<$,$>:TBB_USE_DEBUG=1>" + set_target_properties(TBB::tbb PROPERTIES + INTERFACE_COMPILE_DEFINITIONS "${TBB_DEFINITIONS};$<$,$>:${TBB_DEFINITIONS_DEBUG}>;$<$:${TBB_DEFINITIONS_RELEASE}>" IMPORTED_LOCATION_DEBUG ${TBB_LIBRARIES_DEBUG} IMPORTED_LOCATION_RELWITHDEBINFO ${TBB_LIBRARIES_RELEASE} IMPORTED_LOCATION_RELEASE ${TBB_LIBRARIES_RELEASE} IMPORTED_LOCATION_MINSIZEREL ${TBB_LIBRARIES_RELEASE} ) - elseif(TBB_LIBRARIES_RELEASE) - set_target_properties(tbb PROPERTIES IMPORTED_LOCATION ${TBB_LIBRARIES_RELEASE}) - else() - set_target_properties(tbb PROPERTIES - INTERFACE_COMPILE_DEFINITIONS "${TBB_DEFINITIONS_DEBUG}" - IMPORTED_LOCATION ${TBB_LIBRARIES_DEBUG} - ) endif() endif() diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 31cb24f24..1bf278722 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -16,7 +16,6 @@ add_subdirectory(semver) add_subdirectory(libigl) # Adding libnest2d project for bin packing... -set(LIBNEST2D_UNITTESTS ON CACHE BOOL "Force generating unittests for libnest2d") add_subdirectory(libnest2d) add_subdirectory(libslic3r) diff --git a/src/libnest2d/CMakeLists.txt b/src/libnest2d/CMakeLists.txt index 0d091c171..ea2910511 100644 --- a/src/libnest2d/CMakeLists.txt +++ b/src/libnest2d/CMakeLists.txt @@ -1,106 +1,31 @@ -cmake_minimum_required(VERSION 3.0) - -project(Libnest2D) - -if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX) - # Update if necessary - set(CMAKE_CXX_FLAGS "${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 ${PROJECT_SOURCE_DIR}/cmake_modules/) - -option(LIBNEST2D_HEADER_ONLY "If enabled static library will not be built." ON) - -set(GEOMETRY_BACKENDS clipper boost eigen) -set(LIBNEST2D_GEOMETRIES clipper CACHE STRING "Geometry backend") -set_property(CACHE LIBNEST2D_GEOMETRIES PROPERTY STRINGS ${GEOMETRY_BACKENDS}) -list(FIND GEOMETRY_BACKENDS ${LIBNEST2D_GEOMETRIES} GEOMETRY_TYPE) -if(${GEOMETRY_TYPE} EQUAL -1) - message(FATAL_ERROR "Option ${LIBNEST2D_GEOMETRIES} not supported, valid entries are ${GEOMETRY_BACKENDS}") -endif() - -set(OPTIMIZERS nlopt optimlib) -set(LIBNEST2D_OPTIMIZER nlopt CACHE STRING "Optimization backend") -set_property(CACHE LIBNEST2D_OPTIMIZER PROPERTY STRINGS ${OPTIMIZERS}) -list(FIND OPTIMIZERS ${LIBNEST2D_OPTIMIZER} OPTIMIZER_TYPE) -if(${OPTIMIZER_TYPE} EQUAL -1) - message(FATAL_ERROR "Option ${LIBNEST2D_OPTIMIZER} not supported, valid entries are ${OPTIMIZERS}") -endif() - -add_library(libnest2d INTERFACE) - -set(SRC_DIR ${PROJECT_SOURCE_DIR}/include) - set(LIBNEST2D_SRCFILES - ${SRC_DIR}/libnest2d/libnest2d.hpp # Templates only - ${SRC_DIR}/libnest2d/geometry_traits.hpp - ${SRC_DIR}/libnest2d/geometry_traits_nfp.hpp - ${SRC_DIR}/libnest2d/common.hpp - ${SRC_DIR}/libnest2d/optimizer.hpp - ${SRC_DIR}/libnest2d/utils/metaloop.hpp - ${SRC_DIR}/libnest2d/utils/rotfinder.hpp - ${SRC_DIR}/libnest2d/utils/rotcalipers.hpp - ${SRC_DIR}/libnest2d/utils/bigint.hpp - ${SRC_DIR}/libnest2d/utils/rational.hpp - ${SRC_DIR}/libnest2d/placers/placer_boilerplate.hpp - ${SRC_DIR}/libnest2d/placers/bottomleftplacer.hpp - ${SRC_DIR}/libnest2d/placers/nfpplacer.hpp - ${SRC_DIR}/libnest2d/selections/selection_boilerplate.hpp - ${SRC_DIR}/libnest2d/selections/filler.hpp - ${SRC_DIR}/libnest2d/selections/firstfit.hpp - ${SRC_DIR}/libnest2d/selections/djd_heuristic.hpp + include/libnest2d/libnest2d.hpp + include/libnest2d/nester.hpp + include/libnest2d/geometry_traits.hpp + include/libnest2d/geometry_traits_nfp.hpp + include/libnest2d/common.hpp + include/libnest2d/optimizer.hpp + include/libnest2d/utils/metaloop.hpp + include/libnest2d/utils/rotfinder.hpp + include/libnest2d/utils/rotcalipers.hpp + include/libnest2d/placers/placer_boilerplate.hpp + include/libnest2d/placers/bottomleftplacer.hpp + include/libnest2d/placers/nfpplacer.hpp + include/libnest2d/selections/selection_boilerplate.hpp + #include/libnest2d/selections/filler.hpp + include/libnest2d/selections/firstfit.hpp + #include/libnest2d/selections/djd_heuristic.hpp + include/libnest2d/backends/clipper/geometries.hpp + include/libnest2d/backends/clipper/clipper_polygon.hpp + include/libnest2d/optimizers/nlopt/nlopt_boilerplate.hpp + include/libnest2d/optimizers/nlopt/simplex.hpp + include/libnest2d/optimizers/nlopt/subplex.hpp + include/libnest2d/optimizers/nlopt/genetic.hpp + src/libnest2d.cpp ) -set(TBB_STATIC ON) -find_package(TBB QUIET) -if(TBB_FOUND) - message(STATUS "Parallelization with Intel TBB") - target_include_directories(libnest2d INTERFACE ${TBB_INCLUDE_DIRS}) - target_compile_definitions(libnest2d INTERFACE ${TBB_DEFINITIONS} -DUSE_TBB) - if(MSVC) - # Suppress implicit linking of the TBB libraries by the Visual Studio compiler. - target_compile_definitions(libnest2d INTERFACE -D__TBB_NO_IMPLICIT_LINKAGE) - endif() - # The Intel TBB library will use the std::exception_ptr feature of C++11. - target_compile_definitions(libnest2d INTERFACE -DTBB_USE_CAPTURED_EXCEPTION=0) +add_library(libnest2d ${LIBNEST2D_SRCFILES}) - find_package(Threads REQUIRED) - target_link_libraries(libnest2d INTERFACE - tbb # VS debug mode needs linking this way: - # ${TBB_LIBRARIES} - ${CMAKE_DL_LIBS} - Threads::Threads - ) -else() - find_package(OpenMP QUIET) - - if(OpenMP_CXX_FOUND) - message(STATUS "Parallelization with OpenMP") - target_include_directories(libnest2d INTERFACE OpenMP::OpenMP_CXX) - target_link_libraries(libnest2d INTERFACE OpenMP::OpenMP_CXX) - else() - message("Parallelization with C++11 threads") - find_package(Threads REQUIRED) - target_link_libraries(libnest2d INTERFACE Threads::Threads) - endif() -endif() - -add_subdirectory(${SRC_DIR}/libnest2d/backends/${LIBNEST2D_GEOMETRIES}) -target_link_libraries(libnest2d INTERFACE ${LIBNEST2D_GEOMETRIES}Backend) - -add_subdirectory(${SRC_DIR}/libnest2d/optimizers/${LIBNEST2D_OPTIMIZER}) -target_link_libraries(libnest2d INTERFACE ${LIBNEST2D_OPTIMIZER}Optimizer) - -# target_sources(libnest2d INTERFACE ${LIBNEST2D_SRCFILES}) -target_include_directories(libnest2d INTERFACE ${SRC_DIR}) - -if(NOT LIBNEST2D_HEADER_ONLY) - set(LIBNAME libnest2d_${LIBNEST2D_GEOMETRIES}_${LIBNEST2D_OPTIMIZER}) - add_library(${LIBNAME} ${PROJECT_SOURCE_DIR}/src/libnest2d.cpp) - target_link_libraries(${LIBNAME} PUBLIC libnest2d) - target_compile_definitions(${LIBNAME} PUBLIC LIBNEST2D_STATIC) -endif() +target_include_directories(libnest2d PUBLIC ${CMAKE_CURRENT_LIST_DIR}/include) +target_link_libraries(libnest2d PUBLIC clipper NLopt::nlopt TBB::tbb Boost::boost) +target_compile_definitions(libnest2d PUBLIC LIBNEST2D_STATIC LIBNEST2D_OPTIMIZER_nlopt LIBNEST2D_GEOMETRIES_clipper) diff --git a/src/libnest2d/cmake_modules/DownloadNLopt.cmake b/src/libnest2d/cmake_modules/DownloadNLopt.cmake deleted file mode 100644 index 62b2b4c1a..000000000 --- a/src/libnest2d/cmake_modules/DownloadNLopt.cmake +++ /dev/null @@ -1,35 +0,0 @@ -include(DownloadProject) - -if (CMAKE_VERSION VERSION_LESS 3.2) - set(UPDATE_DISCONNECTED_IF_AVAILABLE "") -else() - set(UPDATE_DISCONNECTED_IF_AVAILABLE "UPDATE_DISCONNECTED 1") -endif() - -set(URL_NLOPT "https://github.com/stevengj/nlopt.git" - CACHE STRING "Location of the nlopt git repository") - -# set(NLopt_DIR ${CMAKE_BINARY_DIR}/nlopt) -include(DownloadProject) -download_project( PROJ nlopt - GIT_REPOSITORY ${URL_NLOPT} - GIT_TAG v2.5.0 - # CMAKE_CACHE_ARGS -DBUILD_SHARED_LIBS:BOOL=OFF -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE} -DCMAKE_INSTALL_PREFIX=${NLopt_DIR} - ${UPDATE_DISCONNECTED_IF_AVAILABLE} -) - -set(SHARED_LIBS_STATE BUILD_SHARED_LIBS) -set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE) -set(NLOPT_PYTHON OFF CACHE BOOL "" FORCE) -set(NLOPT_OCTAVE OFF CACHE BOOL "" FORCE) -set(NLOPT_MATLAB OFF CACHE BOOL "" FORCE) -set(NLOPT_GUILE OFF CACHE BOOL "" FORCE) -set(NLOPT_SWIG OFF CACHE BOOL "" FORCE) -set(NLOPT_LINK_PYTHON OFF CACHE BOOL "" FORCE) - -add_subdirectory(${nlopt_SOURCE_DIR} ${nlopt_BINARY_DIR}) - -set(NLopt_LIBS nlopt) -set(NLopt_INCLUDE_DIR ${nlopt_BINARY_DIR} - ${nlopt_BINARY_DIR}/src/api) -set(SHARED_LIBS_STATE ${SHARED_STATE}) \ No newline at end of file diff --git a/src/libnest2d/cmake_modules/DownloadProject.CMakeLists.cmake.in b/src/libnest2d/cmake_modules/DownloadProject.CMakeLists.cmake.in deleted file mode 100644 index d5cf3c1d9..000000000 --- a/src/libnest2d/cmake_modules/DownloadProject.CMakeLists.cmake.in +++ /dev/null @@ -1,17 +0,0 @@ -# Distributed under the OSI-approved MIT License. See accompanying -# file LICENSE or https://github.com/Crascit/DownloadProject for details. - -cmake_minimum_required(VERSION 2.8.2) - -project(${DL_ARGS_PROJ}-download NONE) - -include(ExternalProject) -ExternalProject_Add(${DL_ARGS_PROJ}-download - ${DL_ARGS_UNPARSED_ARGUMENTS} - SOURCE_DIR "${DL_ARGS_SOURCE_DIR}" - BINARY_DIR "${DL_ARGS_BINARY_DIR}" - CONFIGURE_COMMAND "" - BUILD_COMMAND "" - INSTALL_COMMAND "" - TEST_COMMAND "" -) \ No newline at end of file diff --git a/src/libnest2d/cmake_modules/DownloadProject.cmake b/src/libnest2d/cmake_modules/DownloadProject.cmake deleted file mode 100644 index 1709e09ad..000000000 --- a/src/libnest2d/cmake_modules/DownloadProject.cmake +++ /dev/null @@ -1,182 +0,0 @@ -# Distributed under the OSI-approved MIT License. See accompanying -# file LICENSE or https://github.com/Crascit/DownloadProject for details. -# -# MODULE: DownloadProject -# -# PROVIDES: -# download_project( PROJ projectName -# [PREFIX prefixDir] -# [DOWNLOAD_DIR downloadDir] -# [SOURCE_DIR srcDir] -# [BINARY_DIR binDir] -# [QUIET] -# ... -# ) -# -# Provides the ability to download and unpack a tarball, zip file, git repository, -# etc. at configure time (i.e. when the cmake command is run). How the downloaded -# and unpacked contents are used is up to the caller, but the motivating case is -# to download source code which can then be included directly in the build with -# add_subdirectory() after the call to download_project(). Source and build -# directories are set up with this in mind. -# -# The PROJ argument is required. The projectName value will be used to construct -# the following variables upon exit (obviously replace projectName with its actual -# value): -# -# projectName_SOURCE_DIR -# projectName_BINARY_DIR -# -# The SOURCE_DIR and BINARY_DIR arguments are optional and would not typically -# need to be provided. They can be specified if you want the downloaded source -# and build directories to be located in a specific place. The contents of -# projectName_SOURCE_DIR and projectName_BINARY_DIR will be populated with the -# locations used whether you provide SOURCE_DIR/BINARY_DIR or not. -# -# The DOWNLOAD_DIR argument does not normally need to be set. It controls the -# location of the temporary CMake build used to perform the download. -# -# The PREFIX argument can be provided to change the base location of the default -# values of DOWNLOAD_DIR, SOURCE_DIR and BINARY_DIR. If all of those three arguments -# are provided, then PREFIX will have no effect. The default value for PREFIX is -# CMAKE_BINARY_DIR. -# -# The QUIET option can be given if you do not want to show the output associated -# with downloading the specified project. -# -# In addition to the above, any other options are passed through unmodified to -# ExternalProject_Add() to perform the actual download, patch and update steps. -# The following ExternalProject_Add() options are explicitly prohibited (they -# are reserved for use by the download_project() command): -# -# CONFIGURE_COMMAND -# BUILD_COMMAND -# INSTALL_COMMAND -# TEST_COMMAND -# -# Only those ExternalProject_Add() arguments which relate to downloading, patching -# and updating of the project sources are intended to be used. Also note that at -# least one set of download-related arguments are required. -# -# If using CMake 3.2 or later, the UPDATE_DISCONNECTED option can be used to -# prevent a check at the remote end for changes every time CMake is run -# after the first successful download. See the documentation of the ExternalProject -# module for more information. It is likely you will want to use this option if it -# is available to you. Note, however, that the ExternalProject implementation contains -# bugs which result in incorrect handling of the UPDATE_DISCONNECTED option when -# using the URL download method or when specifying a SOURCE_DIR with no download -# method. Fixes for these have been created, the last of which is scheduled for -# inclusion in CMake 3.8.0. Details can be found here: -# -# https://gitlab.kitware.com/cmake/cmake/commit/bdca68388bd57f8302d3c1d83d691034b7ffa70c -# https://gitlab.kitware.com/cmake/cmake/issues/16428 -# -# If you experience build errors related to the update step, consider avoiding -# the use of UPDATE_DISCONNECTED. -# -# EXAMPLE USAGE: -# -# include(DownloadProject) -# download_project(PROJ googletest -# GIT_REPOSITORY https://github.com/google/googletest.git -# GIT_TAG master -# UPDATE_DISCONNECTED 1 -# QUIET -# ) -# -# add_subdirectory(${googletest_SOURCE_DIR} ${googletest_BINARY_DIR}) -# -#======================================================================================== - - -set(_DownloadProjectDir "${CMAKE_CURRENT_LIST_DIR}") - -include(CMakeParseArguments) - -function(download_project) - - set(options QUIET) - set(oneValueArgs - PROJ - PREFIX - DOWNLOAD_DIR - SOURCE_DIR - BINARY_DIR - # Prevent the following from being passed through - CONFIGURE_COMMAND - BUILD_COMMAND - INSTALL_COMMAND - TEST_COMMAND - ) - set(multiValueArgs "") - - cmake_parse_arguments(DL_ARGS "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) - - # Hide output if requested - if (DL_ARGS_QUIET) - set(OUTPUT_QUIET "OUTPUT_QUIET") - else() - unset(OUTPUT_QUIET) - message(STATUS "Downloading/updating ${DL_ARGS_PROJ}") - endif() - - # Set up where we will put our temporary CMakeLists.txt file and also - # the base point below which the default source and binary dirs will be. - # The prefix must always be an absolute path. - if (NOT DL_ARGS_PREFIX) - set(DL_ARGS_PREFIX "${CMAKE_BINARY_DIR}") - else() - get_filename_component(DL_ARGS_PREFIX "${DL_ARGS_PREFIX}" ABSOLUTE - BASE_DIR "${CMAKE_CURRENT_BINARY_DIR}") - endif() - if (NOT DL_ARGS_DOWNLOAD_DIR) - set(DL_ARGS_DOWNLOAD_DIR "${DL_ARGS_PREFIX}/${DL_ARGS_PROJ}-download") - endif() - - # Ensure the caller can know where to find the source and build directories - if (NOT DL_ARGS_SOURCE_DIR) - set(DL_ARGS_SOURCE_DIR "${DL_ARGS_PREFIX}/${DL_ARGS_PROJ}-src") - endif() - if (NOT DL_ARGS_BINARY_DIR) - set(DL_ARGS_BINARY_DIR "${DL_ARGS_PREFIX}/${DL_ARGS_PROJ}-build") - endif() - set(${DL_ARGS_PROJ}_SOURCE_DIR "${DL_ARGS_SOURCE_DIR}" PARENT_SCOPE) - set(${DL_ARGS_PROJ}_BINARY_DIR "${DL_ARGS_BINARY_DIR}" PARENT_SCOPE) - - # The way that CLion manages multiple configurations, it causes a copy of - # the CMakeCache.txt to be copied across due to it not expecting there to - # be a project within a project. This causes the hard-coded paths in the - # cache to be copied and builds to fail. To mitigate this, we simply - # remove the cache if it exists before we configure the new project. It - # is safe to do so because it will be re-generated. Since this is only - # executed at the configure step, it should not cause additional builds or - # downloads. - file(REMOVE "${DL_ARGS_DOWNLOAD_DIR}/CMakeCache.txt") - - # Create and build a separate CMake project to carry out the download. - # If we've already previously done these steps, they will not cause - # anything to be updated, so extra rebuilds of the project won't occur. - # Make sure to pass through CMAKE_MAKE_PROGRAM in case the main project - # has this set to something not findable on the PATH. - configure_file("${_DownloadProjectDir}/DownloadProject.CMakeLists.cmake.in" - "${DL_ARGS_DOWNLOAD_DIR}/CMakeLists.txt") - execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" - -D "CMAKE_MAKE_PROGRAM:FILE=${CMAKE_MAKE_PROGRAM}" - . - RESULT_VARIABLE result - ${OUTPUT_QUIET} - WORKING_DIRECTORY "${DL_ARGS_DOWNLOAD_DIR}" - ) - if(result) - message(FATAL_ERROR "CMake step for ${DL_ARGS_PROJ} failed: ${result}") - endif() - execute_process(COMMAND ${CMAKE_COMMAND} --build . - RESULT_VARIABLE result - ${OUTPUT_QUIET} - WORKING_DIRECTORY "${DL_ARGS_DOWNLOAD_DIR}" - ) - if(result) - message(FATAL_ERROR "Build step for ${DL_ARGS_PROJ} failed: ${result}") - endif() - -endfunction() \ No newline at end of file diff --git a/src/libnest2d/cmake_modules/FindClipper.cmake b/src/libnest2d/cmake_modules/FindClipper.cmake deleted file mode 100644 index 01b6b99d5..000000000 --- a/src/libnest2d/cmake_modules/FindClipper.cmake +++ /dev/null @@ -1,58 +0,0 @@ -# Find Clipper library (http://www.angusj.com/delphi/clipper.php). -# The following variables are set -# -# CLIPPER_FOUND -# CLIPPER_INCLUDE_DIRS -# CLIPPER_LIBRARIES -# -# It searches the environment variable $CLIPPER_PATH automatically. - -FIND_PATH(CLIPPER_INCLUDE_DIRS clipper.hpp - $ENV{CLIPPER_PATH} - $ENV{CLIPPER_PATH}/cpp/ - $ENV{CLIPPER_PATH}/include/ - $ENV{CLIPPER_PATH}/include/polyclipping/ - ${PROJECT_SOURCE_DIR}/python/pymesh/third_party/include/ - ${PROJECT_SOURCE_DIR}/python/pymesh/third_party/include/polyclipping/ - ${CMAKE_PREFIX_PATH}/include/polyclipping - ${CMAKE_PREFIX_PATH}/include/ - /opt/local/include/ - /opt/local/include/polyclipping/ - /usr/local/include/ - /usr/local/include/polyclipping/ - /usr/include - /usr/include/polyclipping/) - -FIND_LIBRARY(CLIPPER_LIBRARIES polyclipping - $ENV{CLIPPER_PATH} - $ENV{CLIPPER_PATH}/cpp/ - $ENV{CLIPPER_PATH}/cpp/build/ - $ENV{CLIPPER_PATH}/lib/ - $ENV{CLIPPER_PATH}/lib/polyclipping/ - ${PROJECT_SOURCE_DIR}/python/pymesh/third_party/lib/ - ${PROJECT_SOURCE_DIR}/python/pymesh/third_party/lib/polyclipping/ - ${CMAKE_PREFIX_PATH}/lib/ - ${CMAKE_PREFIX_PATH}/lib/polyclipping/ - /opt/local/lib/ - /opt/local/lib/polyclipping/ - /usr/local/lib/ - /usr/local/lib/polyclipping/ - /usr/lib/polyclipping) - -include(FindPackageHandleStandardArgs) -FIND_PACKAGE_HANDLE_STANDARD_ARGS(Clipper - "Clipper library cannot be found. Consider set CLIPPER_PATH environment variable" - CLIPPER_INCLUDE_DIRS - CLIPPER_LIBRARIES) - -MARK_AS_ADVANCED( - CLIPPER_INCLUDE_DIRS - CLIPPER_LIBRARIES) - -if(CLIPPER_FOUND) - add_library(Clipper::Clipper INTERFACE IMPORTED) - set_target_properties(Clipper::Clipper PROPERTIES INTERFACE_LINK_LIBRARIES ${CLIPPER_LIBRARIES}) - set_target_properties(Clipper::Clipper PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${CLIPPER_INCLUDE_DIRS}) - #target_link_libraries(Clipper::Clipper INTERFACE ${CLIPPER_LIBRARIES}) - #target_include_directories(Clipper::Clipper INTERFACE ${CLIPPER_INCLUDE_DIRS}) -endif() diff --git a/src/libnest2d/include/libnest2d.h b/src/libnest2d/include/libnest2d.h deleted file mode 100644 index 76b133f4b..000000000 --- a/src/libnest2d/include/libnest2d.h +++ /dev/null @@ -1,134 +0,0 @@ -#ifndef LIBNEST2D_H -#define LIBNEST2D_H - -// The type of backend should be set conditionally by the cmake configuriation -// for now we set it statically to clipper backend -#ifdef LIBNEST2D_BACKEND_CLIPPER -#include -#endif - -#ifdef LIBNEST2D_OPTIMIZER_NLOPT -// We include the stock optimizers for local and global optimization -#include // Local subplex for NfpPlacer -#include // Genetic for min. bounding box -#endif - -#include -#include -#include -#include -#include -#include - -namespace libnest2d { - -using Point = PointImpl; -using Coord = TCoord; -using Box = _Box; -using Segment = _Segment; -using Circle = _Circle; - -using Item = _Item; -using Rectangle = _Rectangle; -using PackGroup = _PackGroup; - -using FillerSelection = selections::_FillerSelection; -using FirstFitSelection = selections::_FirstFitSelection; -using DJDHeuristic = selections::_DJDHeuristic; - -template // Generic placer for arbitrary bin types -using _NfpPlacer = placers::_NofitPolyPlacer; - -// NfpPlacer is with Box bin -using NfpPlacer = _NfpPlacer; - -// This supports only box shaped bins -using BottomLeftPlacer = placers::_BottomLeftPlacer; - -#ifdef LIBNEST2D_STATIC - -extern template class Nester; -extern template class Nester; -extern template std::size_t Nester::execute( - std::vector::iterator, std::vector::iterator); -extern template std::size_t Nester::execute( - std::vector::iterator, std::vector::iterator); - -#endif - -template -struct NestConfig { - typename Placer::Config placer_config; - typename Selector::Config selector_config; - using Placement = typename Placer::Config; - using Selection = typename Selector::Config; - - NestConfig() = default; - NestConfig(const typename Placer::Config &cfg) : placer_config{cfg} {} - NestConfig(const typename Selector::Config &cfg) : selector_config{cfg} {} - NestConfig(const typename Placer::Config & pcfg, - const typename Selector::Config &scfg) - : placer_config{pcfg}, selector_config{scfg} {} -}; - -struct NestControl { - ProgressFunction progressfn; - StopCondition stopcond = []{ return false; }; - - NestControl() = default; - NestControl(ProgressFunction pr) : progressfn{std::move(pr)} {} - NestControl(StopCondition sc) : stopcond{std::move(sc)} {} - NestControl(ProgressFunction pr, StopCondition sc) - : progressfn{std::move(pr)}, stopcond{std::move(sc)} - {} -}; - -template::iterator> -std::size_t nest(Iterator from, Iterator to, - const typename Placer::BinType & bin, - Coord dist = 0, - const NestConfig &cfg = {}, - NestControl ctl = {}) -{ - _Nester nester{bin, dist, cfg.placer_config, cfg.selector_config}; - if(ctl.progressfn) nester.progressIndicator(ctl.progressfn); - if(ctl.stopcond) nester.stopCondition(ctl.stopcond); - return nester.execute(from, to); -} - -#ifdef LIBNEST2D_STATIC - -extern template class Nester; -extern template class Nester; -extern template std::size_t nest(std::vector::iterator from, - std::vector::iterator from to, - const Box & bin, - Coord dist, - const NestConfig &cfg, - NestControl ctl); -extern template std::size_t nest(std::vector::iterator from, - std::vector::iterator from to, - const Box & bin, - Coord dist, - const NestConfig &cfg, - NestControl ctl); - -#endif - -template> -std::size_t nest(Container&& cont, - const typename Placer::BinType & bin, - Coord dist = 0, - const NestConfig &cfg = {}, - NestControl ctl = {}) -{ - return nest(cont.begin(), cont.end(), bin, dist, cfg, ctl); -} - -} - -#endif // LIBNEST2D_H diff --git a/src/libnest2d/include/libnest2d/backends/clipper/CMakeLists.txt b/src/libnest2d/include/libnest2d/backends/clipper/CMakeLists.txt deleted file mode 100644 index 202089356..000000000 --- a/src/libnest2d/include/libnest2d/backends/clipper/CMakeLists.txt +++ /dev/null @@ -1,73 +0,0 @@ -if(NOT TARGET clipper) # If there is a clipper target in the parent project we are good to go. - - find_package(Clipper 6.1) - - if(NOT CLIPPER_FOUND) - find_package(Subversion QUIET) - if(Subversion_FOUND) - - set(URL_CLIPPER "https://svn.code.sf.net/p/polyclipping/code/trunk/cpp" - CACHE STRING "Clipper source code repository location.") - - message(STATUS "Clipper not found so it will be downloaded.") - # Silently download and build the library in the build dir - - if (CMAKE_VERSION VERSION_LESS 3.2) - set(UPDATE_DISCONNECTED_IF_AVAILABLE "") - else() - set(UPDATE_DISCONNECTED_IF_AVAILABLE "UPDATE_DISCONNECTED 1") - endif() - - include(DownloadProject) - download_project( PROJ clipper_library - SVN_REPOSITORY ${URL_CLIPPER} - SVN_REVISION -r540 - #SOURCE_SUBDIR cpp - INSTALL_COMMAND "" - CONFIGURE_COMMAND "" # Not working, I will just add the source files - ${UPDATE_DISCONNECTED_IF_AVAILABLE} - ) - - # This is not working and I dont have time to fix it - # add_subdirectory(${clipper_library_SOURCE_DIR}/cpp - # ${clipper_library_BINARY_DIR} - # ) - - add_library(clipperBackend STATIC - ${clipper_library_SOURCE_DIR}/clipper.cpp - ${clipper_library_SOURCE_DIR}/clipper.hpp) - - target_include_directories(clipperBackend INTERFACE ${clipper_library_SOURCE_DIR}) - else() - message(FATAL_ERROR "Can't find clipper library and no SVN client found to download. - You can download the clipper sources and define a clipper target in your project, that will work for libnest2d.") - endif() - else() - add_library(clipperBackend INTERFACE) - target_link_libraries(clipperBackend INTERFACE Clipper::Clipper) - endif() -else() - # set(CLIPPER_INCLUDE_DIRS "" PARENT_SCOPE) - # set(CLIPPER_LIBRARIES clipper PARENT_SCOPE) - add_library(clipperBackend INTERFACE) - target_link_libraries(clipperBackend INTERFACE clipper) -endif() - -# Clipper backend is not enough on its own, it still needs some functions -# from Boost geometry -if(NOT Boost_FOUND) - find_package(Boost 1.58 REQUIRED) - # TODO automatic download of boost geometry headers -endif() - -target_link_libraries(clipperBackend INTERFACE Boost::boost ) -#target_sources(ClipperBackend INTERFACE -# ${CMAKE_CURRENT_SOURCE_DIR}/geometries.hpp -# ${CMAKE_CURRENT_SOURCE_DIR}/clipper_polygon.hpp -# ${SRC_DIR}/libnest2d/utils/boost_alg.hpp ) - -target_compile_definitions(clipperBackend INTERFACE LIBNEST2D_BACKEND_CLIPPER) - -# And finally plug the clipperBackend into libnest2d -# target_link_libraries(libnest2d INTERFACE clipperBackend) - diff --git a/src/libnest2d/include/libnest2d/geometry_traits_nfp.hpp b/src/libnest2d/include/libnest2d/geometry_traits_nfp.hpp index 4a2c69bca..29a1ccd04 100644 --- a/src/libnest2d/include/libnest2d/geometry_traits_nfp.hpp +++ b/src/libnest2d/include/libnest2d/geometry_traits_nfp.hpp @@ -299,9 +299,456 @@ inline NfpResult nfpConvexOnly(const RawShape& sh, template NfpResult nfpSimpleSimple(const RawShape& cstationary, - const RawShape& cother) + const RawShape& cother) { - return {}; + + // Algorithms are from the original algorithm proposed in paper: + // https://eprints.soton.ac.uk/36850/1/CORMSIS-05-05.pdf + + // ///////////////////////////////////////////////////////////////////////// + // Algorithm 1: Obtaining the minkowski sum + // ///////////////////////////////////////////////////////////////////////// + + // I guess this is not a full minkowski sum of the two input polygons by + // definition. This yields a subset that is compatible with the next 2 + // algorithms. + + using Result = NfpResult; + using Vertex = TPoint; + using Coord = TCoord; + using Edge = _Segment; + namespace sl = shapelike; + using std::signbit; + using std::sort; + using std::vector; + using std::ref; + using std::reference_wrapper; + + // TODO The original algorithms expects the stationary polygon in + // counter clockwise and the orbiter in clockwise order. + // So for preventing any further complication, I will make the input + // the way it should be, than make my way around the orientations. + + // Reverse the stationary contour to counter clockwise + auto stcont = sl::contour(cstationary); + { + std::reverse(sl::begin(stcont), sl::end(stcont)); + stcont.pop_back(); + auto it = std::min_element(sl::begin(stcont), sl::end(stcont), + [](const Vertex& v1, const Vertex& v2) { + return getY(v1) < getY(v2); + }); + std::rotate(sl::begin(stcont), it, sl::end(stcont)); + sl::addVertex(stcont, sl::front(stcont)); + } + RawShape stationary; + sl::contour(stationary) = stcont; + + // Reverse the orbiter contour to counter clockwise + auto orbcont = sl::contour(cother); + { + std::reverse(orbcont.begin(), orbcont.end()); + + // Step 1: Make the orbiter reverse oriented + + orbcont.pop_back(); + auto it = std::min_element(orbcont.begin(), orbcont.end(), + [](const Vertex& v1, const Vertex& v2) { + return getY(v1) < getY(v2); + }); + + std::rotate(orbcont.begin(), it, orbcont.end()); + orbcont.emplace_back(orbcont.front()); + + for(auto &v : orbcont) v = -v; + + } + + // Copy the orbiter (contour only), we will have to work on it + RawShape orbiter; + sl::contour(orbiter) = orbcont; + + // An edge with additional data for marking it + struct MarkedEdge { + Edge e; Radians turn_angle = 0; bool is_turning_point = false; + MarkedEdge() = default; + MarkedEdge(const Edge& ed, Radians ta, bool tp): + e(ed), turn_angle(ta), is_turning_point(tp) {} + + // debug + std::string label; + }; + + // Container for marked edges + using EdgeList = vector; + + EdgeList A, B; + + // This is how an edge list is created from the polygons + auto fillEdgeList = [](EdgeList& L, const RawShape& ppoly, int dir) { + auto& poly = sl::contour(ppoly); + + L.reserve(sl::contourVertexCount(poly)); + + if(dir > 0) { + auto it = poly.begin(); + auto nextit = std::next(it); + + double turn_angle = 0; + bool is_turn_point = false; + + while(nextit != poly.end()) { + L.emplace_back(Edge(*it, *nextit), turn_angle, is_turn_point); + it++; nextit++; + } + } else { + auto it = sl::rbegin(poly); + auto nextit = std::next(it); + + double turn_angle = 0; + bool is_turn_point = false; + + while(nextit != sl::rend(poly)) { + L.emplace_back(Edge(*it, *nextit), turn_angle, is_turn_point); + it++; nextit++; + } + } + + auto getTurnAngle = [](const Edge& e1, const Edge& e2) { + auto phi = e1.angleToXaxis(); + auto phi_prev = e2.angleToXaxis(); + auto turn_angle = phi-phi_prev; + if(turn_angle > Pi) turn_angle -= TwoPi; + if(turn_angle < -Pi) turn_angle += TwoPi; + return turn_angle; + }; + + auto eit = L.begin(); + auto enext = std::next(eit); + + eit->turn_angle = getTurnAngle(L.front().e, L.back().e); + + while(enext != L.end()) { + enext->turn_angle = getTurnAngle( enext->e, eit->e); + eit->is_turning_point = + signbit(enext->turn_angle) != signbit(eit->turn_angle); + ++eit; ++enext; + } + + L.back().is_turning_point = signbit(L.back().turn_angle) != + signbit(L.front().turn_angle); + + }; + + // Step 2: Fill the edgelists + fillEdgeList(A, stationary, 1); + fillEdgeList(B, orbiter, 1); + + int i = 1; + for(MarkedEdge& me : A) { + std::cout << "a" << i << ":\n\t" + << getX(me.e.first()) << " " << getY(me.e.first()) << "\n\t" + << getX(me.e.second()) << " " << getY(me.e.second()) << "\n\t" + << "Turning point: " << (me.is_turning_point ? "yes" : "no") + << std::endl; + + me.label = "a"; me.label += std::to_string(i); + i++; + } + + i = 1; + for(MarkedEdge& me : B) { + std::cout << "b" << i << ":\n\t" + << getX(me.e.first()) << " " << getY(me.e.first()) << "\n\t" + << getX(me.e.second()) << " " << getY(me.e.second()) << "\n\t" + << "Turning point: " << (me.is_turning_point ? "yes" : "no") + << std::endl; + me.label = "b"; me.label += std::to_string(i); + i++; + } + + // A reference to a marked edge that also knows its container + struct MarkedEdgeRef { + reference_wrapper eref; + reference_wrapper> container; + Coord dir = 1; // Direction modifier + + inline Radians angleX() const { return eref.get().e.angleToXaxis(); } + inline const Edge& edge() const { return eref.get().e; } + inline Edge& edge() { return eref.get().e; } + inline bool isTurningPoint() const { + return eref.get().is_turning_point; + } + inline bool isFrom(const vector& cont ) { + return &(container.get()) == &cont; + } + inline bool eq(const MarkedEdgeRef& mr) { + return &(eref.get()) == &(mr.eref.get()); + } + + MarkedEdgeRef(reference_wrapper er, + reference_wrapper> ec): + eref(er), container(ec), dir(1) {} + + MarkedEdgeRef(reference_wrapper er, + reference_wrapper> ec, + Coord d): + eref(er), container(ec), dir(d) {} + }; + + using EdgeRefList = vector; + + // Comparing two marked edges + auto sortfn = [](const MarkedEdgeRef& e1, const MarkedEdgeRef& e2) { + return e1.angleX() < e2.angleX(); + }; + + EdgeRefList Aref, Bref; // We create containers for the references + Aref.reserve(A.size()); Bref.reserve(B.size()); + + // Fill reference container for the stationary polygon + std::for_each(A.begin(), A.end(), [&Aref](MarkedEdge& me) { + Aref.emplace_back( ref(me), ref(Aref) ); + }); + + // Fill reference container for the orbiting polygon + std::for_each(B.begin(), B.end(), [&Bref](MarkedEdge& me) { + Bref.emplace_back( ref(me), ref(Bref) ); + }); + + auto mink = [sortfn] // the Mink(Q, R, direction) sub-procedure + (const EdgeRefList& Q, const EdgeRefList& R, bool positive) + { + + // Step 1 "merge sort_list(Q) and sort_list(R) to form merge_list(Q,R)" + // Sort the containers of edge references and merge them. + // Q could be sorted only once and be reused here but we would still + // need to merge it with sorted(R). + + EdgeRefList merged; + EdgeRefList S, seq; + merged.reserve(Q.size() + R.size()); + + merged.insert(merged.end(), R.begin(), R.end()); + std::stable_sort(merged.begin(), merged.end(), sortfn); + merged.insert(merged.end(), Q.begin(), Q.end()); + std::stable_sort(merged.begin(), merged.end(), sortfn); + + // Step 2 "set i = 1, k = 1, direction = 1, s1 = q1" + // we don't use i, instead, q is an iterator into Q. k would be an index + // into the merged sequence but we use "it" as an iterator for that + + // here we obtain references for the containers for later comparisons + const auto& Rcont = R.begin()->container.get(); + const auto& Qcont = Q.begin()->container.get(); + + // Set the initial direction + Coord dir = 1; + + // roughly i = 1 (so q = Q.begin()) and s1 = q1 so S[0] = q; + if(positive) { + auto q = Q.begin(); + S.emplace_back(*q); + + // Roughly step 3 + + std::cout << "merged size: " << merged.size() << std::endl; + auto mit = merged.begin(); + for(bool finish = false; !finish && q != Q.end();) { + ++q; // "Set i = i + 1" + + while(!finish && mit != merged.end()) { + if(mit->isFrom(Rcont)) { + auto s = *mit; + s.dir = dir; + S.emplace_back(s); + } + + if(mit->eq(*q)) { + S.emplace_back(*q); + if(mit->isTurningPoint()) dir = -dir; + if(q == Q.begin()) finish = true; + break; + } + + mit += dir; + // __nfp::advance(mit, merged, dir > 0); + } + } + } else { + auto q = Q.rbegin(); + S.emplace_back(*q); + + // Roughly step 3 + + std::cout << "merged size: " << merged.size() << std::endl; + auto mit = merged.begin(); + for(bool finish = false; !finish && q != Q.rend();) { + ++q; // "Set i = i + 1" + + while(!finish && mit != merged.end()) { + if(mit->isFrom(Rcont)) { + auto s = *mit; + s.dir = dir; + S.emplace_back(s); + } + + if(mit->eq(*q)) { + S.emplace_back(*q); + S.back().dir = -1; + if(mit->isTurningPoint()) dir = -dir; + if(q == Q.rbegin()) finish = true; + break; + } + + mit += dir; + // __nfp::advance(mit, merged, dir > 0); + } + } + } + + + // Step 4: + + // "Let starting edge r1 be in position si in sequence" + // whaaat? I guess this means the following: + auto it = S.begin(); + while(!it->eq(*R.begin())) ++it; + + // "Set j = 1, next = 2, direction = 1, seq1 = si" + // we don't use j, seq is expanded dynamically. + dir = 1; + auto next = std::next(R.begin()); seq.emplace_back(*it); + + // Step 5: + // "If all si edges have been allocated to seqj" should mean that + // we loop until seq has equal size with S + auto send = it; //it == S.begin() ? it : std::prev(it); + while(it != S.end()) { + ++it; if(it == S.end()) it = S.begin(); + if(it == send) break; + + if(it->isFrom(Qcont)) { + seq.emplace_back(*it); // "If si is from Q, j = j + 1, seqj = si" + + // "If si is a turning point in Q, + // direction = - direction, next = next + direction" + if(it->isTurningPoint()) { + dir = -dir; + next += dir; +// __nfp::advance(next, R, dir > 0); + } + } + + if(it->eq(*next) /*&& dir == next->dir*/) { // "If si = direction.rnext" + // "j = j + 1, seqj = si, next = next + direction" + seq.emplace_back(*it); + next += dir; +// __nfp::advance(next, R, dir > 0); + } + } + + return seq; + }; + + std::vector seqlist; + seqlist.reserve(Bref.size()); + + EdgeRefList Bslope = Bref; // copy Bref, we will make a slope diagram + + // make the slope diagram of B + std::sort(Bslope.begin(), Bslope.end(), sortfn); + + auto slopeit = Bslope.begin(); // search for the first turning point + while(!slopeit->isTurningPoint() && slopeit != Bslope.end()) slopeit++; + + if(slopeit == Bslope.end()) { + // no turning point means convex polygon. + seqlist.emplace_back(mink(Aref, Bref, true)); + } else { + int dir = 1; + + auto firstturn = Bref.begin(); + while(!firstturn->eq(*slopeit)) ++firstturn; + + assert(firstturn != Bref.end()); + + EdgeRefList bgroup; bgroup.reserve(Bref.size()); + bgroup.emplace_back(*slopeit); + + auto b_it = std::next(firstturn); + while(b_it != firstturn) { + if(b_it == Bref.end()) b_it = Bref.begin(); + + while(!slopeit->eq(*b_it)) { + __nfp::advance(slopeit, Bslope, dir > 0); + } + + if(!slopeit->isTurningPoint()) { + bgroup.emplace_back(*slopeit); + } else { + if(!bgroup.empty()) { + if(dir > 0) bgroup.emplace_back(*slopeit); + for(auto& me : bgroup) { + std::cout << me.eref.get().label << ", "; + } + std::cout << std::endl; + seqlist.emplace_back(mink(Aref, bgroup, dir == 1 ? true : false)); + bgroup.clear(); + if(dir < 0) bgroup.emplace_back(*slopeit); + } else { + bgroup.emplace_back(*slopeit); + } + + dir *= -1; + } + ++b_it; + } + } + +// while(it != Bref.end()) // This is step 3 and step 4 in one loop +// if(it->isTurningPoint()) { +// R = {R.last, it++}; +// auto seq = mink(Q, R, orientation); + +// // TODO step 6 (should be 5 shouldn't it?): linking edges from A +// // I don't get this step + +// seqlist.insert(seqlist.end(), seq.begin(), seq.end()); +// orientation = !orientation; +// } else ++it; + +// if(seqlist.empty()) seqlist = mink(Q, {Bref.begin(), Bref.end()}, true); + + // ///////////////////////////////////////////////////////////////////////// + // Algorithm 2: breaking Minkowski sums into track line trips + // ///////////////////////////////////////////////////////////////////////// + + + // ///////////////////////////////////////////////////////////////////////// + // Algorithm 3: finding the boundary of the NFP from track line trips + // ///////////////////////////////////////////////////////////////////////// + + + for(auto& seq : seqlist) { + std::cout << "seqlist size: " << seq.size() << std::endl; + for(auto& s : seq) { + std::cout << (s.dir > 0 ? "" : "-") << s.eref.get().label << ", "; + } + std::cout << std::endl; + } + + auto& seq = seqlist.front(); + RawShape rsh; + Vertex top_nfp; + std::vector edgelist; edgelist.reserve(seq.size()); + for(auto& s : seq) { + edgelist.emplace_back(s.eref.get().e); + } + + __nfp::buildPolygon(edgelist, rsh, top_nfp); + + return Result(rsh, top_nfp); } // Specializable NFP implementation class. Specialize it if you have a faster diff --git a/src/libnest2d/include/libnest2d/libnest2d.hpp b/src/libnest2d/include/libnest2d/libnest2d.hpp index 91c98c62a..b6d7fcdcf 100644 --- a/src/libnest2d/include/libnest2d/libnest2d.hpp +++ b/src/libnest2d/include/libnest2d/libnest2d.hpp @@ -1,869 +1,134 @@ #ifndef LIBNEST2D_HPP #define LIBNEST2D_HPP -#include -#include -#include -#include -#include -#include +// The type of backend should be set conditionally by the cmake configuriation +// for now we set it statically to clipper backend +#ifdef LIBNEST2D_GEOMETRIES_clipper +#include +#endif -#include +#ifdef LIBNEST2D_OPTIMIZER_nlopt +// We include the stock optimizers for local and global optimization +#include // Local subplex for NfpPlacer +#include // Genetic for min. bounding box +#endif + +#include +#include +#include +#include +#include +#include namespace libnest2d { -static const constexpr int BIN_ID_UNSET = -1; +using Point = PointImpl; +using Coord = TCoord; +using Box = _Box; +using Segment = _Segment; +using Circle = _Circle; -/** - * \brief An item to be placed on a bin. - * - * It holds a copy of the original shape object but supports move construction - * from the shape objects if its an rvalue reference. This way we can construct - * the items without the cost of copying a potentially large amount of input. - * - * The results of some calculations are cached for maintaining fast run times. - * For this reason, memory demands are much higher but this should pay off. - */ -template -class _Item { - using Coord = TCoord>; - using Vertex = TPoint; - using Box = _Box; +using Item = _Item; +using Rectangle = _Rectangle; +using PackGroup = _PackGroup; - using VertexConstIterator = typename TContour::const_iterator; +using FillerSelection = selections::_FillerSelection; +using FirstFitSelection = selections::_FirstFitSelection; +using DJDHeuristic = selections::_DJDHeuristic; - // The original shape that gets encapsulated. - RawShape sh_; +template // Generic placer for arbitrary bin types +using _NfpPlacer = placers::_NofitPolyPlacer; - // Transformation data - Vertex translation_{0, 0}; - Radians rotation_{0.0}; - Coord inflation_{0}; +// NfpPlacer is with Box bin +using NfpPlacer = _NfpPlacer; - // Info about whether the transformations will have to take place - // This is needed because if floating point is used, it is hard to say - // that a zero angle is not a rotation because of testing for equality. - bool has_rotation_ = false, has_translation_ = false, has_inflation_ = false; +// This supports only box shaped bins +using BottomLeftPlacer = placers::_BottomLeftPlacer; - // For caching the calculations as they can get pretty expensive. - mutable RawShape tr_cache_; - mutable bool tr_cache_valid_ = false; - mutable double area_cache_ = 0; - mutable bool area_cache_valid_ = false; - mutable RawShape inflate_cache_; - mutable bool inflate_cache_valid_ = false; +#ifdef LIBNEST2D_STATIC - enum class Convexity: char { - UNCHECKED, - C_TRUE, - C_FALSE - }; +extern template class _Nester; +extern template class _Nester; +extern template std::size_t _Nester::execute( + std::vector::iterator, std::vector::iterator); +extern template std::size_t _Nester::execute( + std::vector::iterator, std::vector::iterator); - mutable Convexity convexity_ = Convexity::UNCHECKED; - mutable VertexConstIterator rmt_; // rightmost top vertex - mutable VertexConstIterator lmb_; // leftmost bottom vertex - mutable bool rmt_valid_ = false, lmb_valid_ = false; - mutable struct BBCache { - Box bb; bool valid; - BBCache(): valid(false) {} - } bb_cache_; +#endif + +template +struct NestConfig { + typename Placer::Config placer_config; + typename Selector::Config selector_config; + using Placement = typename Placer::Config; + using Selection = typename Selector::Config; - int binid_{BIN_ID_UNSET}, priority_{0}; - bool fixed_{false}; - -public: - - /// The type of the shape which was handed over as the template argument. - using ShapeType = RawShape; - - /** - * \brief Iterator type for the outer vertices. - * - * Only const iterators can be used. The _Item type is not intended to - * modify the carried shapes from the outside. The main purpose of this type - * is to cache the calculation results from the various operators it - * supports. Giving out a non const iterator would make it impossible to - * perform correct cache invalidation. - */ - using Iterator = VertexConstIterator; - - /** - * @brief Get the orientation of the polygon. - * - * The orientation have to be specified as a specialization of the - * OrientationType struct which has a Value constant. - * - * @return The orientation type identifier for the _Item type. - */ - static BP2D_CONSTEXPR Orientation orientation() { - return OrientationType::Value; - } - - /** - * @brief Constructing an _Item form an existing raw shape. The shape will - * be copied into the _Item object. - * @param sh The original shape object. - */ - explicit inline _Item(const RawShape& sh): sh_(sh) {} - - /** - * @brief Construction of an item by moving the content of the raw shape, - * assuming that it supports move semantics. - * @param sh The original shape object. - */ - explicit inline _Item(RawShape&& sh): sh_(std::move(sh)) {} - - /** - * @brief Create an item from an initializer list. - * @param il The initializer list of vertices. - */ - inline _Item(const std::initializer_list< Vertex >& il): - sh_(sl::create(il)) {} - - inline _Item(const TContour& contour, - const THolesContainer& holes = {}): - sh_(sl::create(contour, holes)) {} - - inline _Item(TContour&& contour, - THolesContainer&& holes): - sh_(sl::create(std::move(contour), std::move(holes))) {} - - inline bool isFixed() const noexcept { return fixed_; } - inline void markAsFixedInBin(int binid) - { - fixed_ = binid >= 0; - binid_ = binid; - } - - inline void binId(int idx) { binid_ = idx; } - inline int binId() const noexcept { return binid_; } - - inline void priority(int p) { priority_ = p; } - inline int priority() const noexcept { return priority_; } - - /** - * @brief Convert the polygon to string representation. The format depends - * on the implementation of the polygon. - * @return - */ - inline std::string toString() const - { - return sl::toString(sh_); - } - - /// Iterator tho the first contour vertex in the polygon. - inline Iterator begin() const - { - return sl::cbegin(sh_); - } - - /// Alias to begin() - inline Iterator cbegin() const - { - return sl::cbegin(sh_); - } - - /// Iterator to the last contour vertex. - inline Iterator end() const - { - return sl::cend(sh_); - } - - /// Alias to end() - inline Iterator cend() const - { - return sl::cend(sh_); - } - - /** - * @brief Get a copy of an outer vertex within the carried shape. - * - * Note that the vertex considered here is taken from the original shape - * that this item is constructed from. This means that no transformation is - * applied to the shape in this call. - * - * @param idx The index of the requested vertex. - * @return A copy of the requested vertex. - */ - inline Vertex vertex(unsigned long idx) const - { - return sl::vertex(sh_, idx); - } - - /** - * @brief Modify a vertex. - * - * Note that this method will invalidate every cached calculation result - * including polygon offset and transformations. - * - * @param idx The index of the requested vertex. - * @param v The new vertex data. - */ - inline void setVertex(unsigned long idx, const Vertex& v ) - { - invalidateCache(); - sl::vertex(sh_, idx) = v; - } - - /** - * @brief Calculate the shape area. - * - * The method returns absolute value and does not reflect polygon - * orientation. The result is cached, subsequent calls will have very little - * cost. - * @return The shape area in floating point double precision. - */ - inline double area() const { - double ret ; - if(area_cache_valid_) ret = area_cache_; - else { - ret = sl::area(infaltedShape()); - area_cache_ = ret; - area_cache_valid_ = true; - } - return ret; - } - - inline bool isContourConvex() const { - bool ret = false; - - switch(convexity_) { - case Convexity::UNCHECKED: - ret = sl::isConvex(sl::contour(transformedShape())); - convexity_ = ret? Convexity::C_TRUE : Convexity::C_FALSE; - break; - case Convexity::C_TRUE: ret = true; break; - case Convexity::C_FALSE:; - } - - return ret; - } - - inline bool isHoleConvex(unsigned /*holeidx*/) const { - return false; - } - - inline bool areHolesConvex() const { - return false; - } - - /// The number of the outer ring vertices. - inline size_t vertexCount() const { - return sl::contourVertexCount(sh_); - } - - inline size_t holeCount() const { - return sl::holeCount(sh_); - } - - /** - * @brief isPointInside - * @param p - * @return - */ - inline bool isInside(const Vertex& p) const - { - return sl::isInside(p, transformedShape()); - } - - inline bool isInside(const _Item& sh) const - { - return sl::isInside(transformedShape(), sh.transformedShape()); - } - - inline bool isInside(const RawShape& sh) const - { - return sl::isInside(transformedShape(), sh); - } - - inline bool isInside(const _Box>& box) const; - inline bool isInside(const _Circle>& box) const; - - inline void translate(const Vertex& d) BP2D_NOEXCEPT - { - translation(translation() + d); - } - - inline void rotate(const Radians& rads) BP2D_NOEXCEPT - { - rotation(rotation() + rads); - } - - inline void inflation(Coord distance) BP2D_NOEXCEPT - { - inflation_ = distance; - has_inflation_ = true; - invalidateCache(); - } - - inline Coord inflation() const BP2D_NOEXCEPT { - return inflation_; - } - - inline void inflate(Coord distance) BP2D_NOEXCEPT - { - inflation(inflation() + distance); - } - - inline Radians rotation() const BP2D_NOEXCEPT - { - return rotation_; - } - - inline TPoint translation() const BP2D_NOEXCEPT - { - return translation_; - } - - inline void rotation(Radians rot) BP2D_NOEXCEPT - { - if(rotation_ != rot) { - rotation_ = rot; has_rotation_ = true; tr_cache_valid_ = false; - rmt_valid_ = false; lmb_valid_ = false; - bb_cache_.valid = false; - } - } - - inline void translation(const TPoint& tr) BP2D_NOEXCEPT - { - if(translation_ != tr) { - translation_ = tr; has_translation_ = true; tr_cache_valid_ = false; - //bb_cache_.valid = false; - } - } - - inline const RawShape& transformedShape() const - { - if(tr_cache_valid_) return tr_cache_; - - RawShape cpy = infaltedShape(); - if(has_rotation_) sl::rotate(cpy, rotation_); - if(has_translation_) sl::translate(cpy, translation_); - tr_cache_ = cpy; tr_cache_valid_ = true; - rmt_valid_ = false; lmb_valid_ = false; - - return tr_cache_; - } - - inline operator RawShape() const - { - return transformedShape(); - } - - inline const RawShape& rawShape() const BP2D_NOEXCEPT - { - return sh_; - } - - inline void resetTransformation() BP2D_NOEXCEPT - { - has_translation_ = false; has_rotation_ = false; has_inflation_ = false; - invalidateCache(); - } - - inline Box boundingBox() const { - if(!bb_cache_.valid) { - if(!has_rotation_) - bb_cache_.bb = sl::boundingBox(infaltedShape()); - else { - // TODO make sure this works - auto rotsh = infaltedShape(); - sl::rotate(rotsh, rotation_); - bb_cache_.bb = sl::boundingBox(rotsh); - } - bb_cache_.valid = true; - } - - auto &bb = bb_cache_.bb; auto &tr = translation_; - return {bb.minCorner() + tr, bb.maxCorner() + tr }; - } - - inline Vertex referenceVertex() const { - return rightmostTopVertex(); - } - - inline Vertex rightmostTopVertex() const { - if(!rmt_valid_ || !tr_cache_valid_) { // find max x and max y vertex - auto& tsh = transformedShape(); - rmt_ = std::max_element(sl::cbegin(tsh), sl::cend(tsh), vsort); - rmt_valid_ = true; - } - return *rmt_; - } - - inline Vertex leftmostBottomVertex() const { - if(!lmb_valid_ || !tr_cache_valid_) { // find min x and min y vertex - auto& tsh = transformedShape(); - lmb_ = std::min_element(sl::cbegin(tsh), sl::cend(tsh), vsort); - lmb_valid_ = true; - } - return *lmb_; - } - - //Static methods: - - inline static bool intersects(const _Item& sh1, const _Item& sh2) - { - return sl::intersects(sh1.transformedShape(), - sh2.transformedShape()); - } - - inline static bool touches(const _Item& sh1, const _Item& sh2) - { - return sl::touches(sh1.transformedShape(), - sh2.transformedShape()); - } - -private: - - inline const RawShape& infaltedShape() const { - if(has_inflation_ ) { - if(inflate_cache_valid_) return inflate_cache_; - - inflate_cache_ = sh_; - sl::offset(inflate_cache_, inflation_); - inflate_cache_valid_ = true; - return inflate_cache_; - } - return sh_; - } - - inline void invalidateCache() const BP2D_NOEXCEPT - { - tr_cache_valid_ = false; - lmb_valid_ = false; rmt_valid_ = false; - area_cache_valid_ = false; - inflate_cache_valid_ = false; - bb_cache_.valid = false; - convexity_ = Convexity::UNCHECKED; - } - - static inline bool vsort(const Vertex& v1, const Vertex& v2) - { - TCompute x1 = getX(v1), x2 = getX(v2); - TCompute y1 = getY(v1), y2 = getY(v2); - return y1 == y2 ? x1 < x2 : y1 < y2; - } + NestConfig() = default; + NestConfig(const typename Placer::Config &cfg) : placer_config{cfg} {} + NestConfig(const typename Selector::Config &cfg) : selector_config{cfg} {} + NestConfig(const typename Placer::Config & pcfg, + const typename Selector::Config &scfg) + : placer_config{pcfg}, selector_config{scfg} {} }; -/** - * \brief Subclass of _Item for regular rectangle items. - */ -template -class _Rectangle: public _Item { - using _Item::vertex; - using TO = Orientation; -public: - - using Unit = TCoord>; - - template::Value> - inline _Rectangle(Unit width, Unit height, - // disable this ctor if o != CLOCKWISE - enable_if_t< o == TO::CLOCKWISE, int> = 0 ): - _Item( sl::create( { - {0, 0}, - {0, height}, - {width, height}, - {width, 0}, - {0, 0} - } )) - { - } - - template::Value> - inline _Rectangle(Unit width, Unit height, - // disable this ctor if o != COUNTER_CLOCKWISE - enable_if_t< o == TO::COUNTER_CLOCKWISE, int> = 0 ): - _Item( sl::create( { - {0, 0}, - {width, 0}, - {width, height}, - {0, height}, - {0, 0} - } )) - { - } - - inline Unit width() const BP2D_NOEXCEPT { - return getX(vertex(2)); - } - - inline Unit height() const BP2D_NOEXCEPT { - return getY(vertex(2)); - } +struct NestControl { + ProgressFunction progressfn; + StopCondition stopcond = []{ return false; }; + + NestControl() = default; + NestControl(ProgressFunction pr) : progressfn{std::move(pr)} {} + NestControl(StopCondition sc) : stopcond{std::move(sc)} {} + NestControl(ProgressFunction pr, StopCondition sc) + : progressfn{std::move(pr)}, stopcond{std::move(sc)} + {} }; -template -inline bool _Item::isInside(const _Box>& box) const { - return sl::isInside(boundingBox(), box); +template::iterator> +std::size_t nest(Iterator from, Iterator to, + const typename Placer::BinType & bin, + Coord dist = 0, + const NestConfig &cfg = {}, + NestControl ctl = {}) +{ + _Nester nester{bin, dist, cfg.placer_config, cfg.selector_config}; + if(ctl.progressfn) nester.progressIndicator(ctl.progressfn); + if(ctl.stopcond) nester.stopCondition(ctl.stopcond); + return nester.execute(from, to); } -template inline bool -_Item::isInside(const _Circle>& circ) const { - return sl::isInside(transformedShape(), circ); +#ifdef LIBNEST2D_STATIC + +extern template class _Nester; +extern template class _Nester; +extern template std::size_t nest(std::vector::iterator from, + std::vector::iterator to, + const Box & bin, + Coord dist, + const NestConfig &cfg, + NestControl ctl); +extern template std::size_t nest(std::vector::iterator from, + std::vector::iterator to, + const Box & bin, + Coord dist, + const NestConfig &cfg, + NestControl ctl); + +#endif + +template> +std::size_t nest(Container&& cont, + const typename Placer::BinType & bin, + Coord dist = 0, + const NestConfig &cfg = {}, + NestControl ctl = {}) +{ + return nest(cont.begin(), cont.end(), bin, dist, cfg, ctl); } -template using _ItemRef = std::reference_wrapper<_Item>; -template using _ItemGroup = std::vector<_ItemRef>; - -/** - * \brief A list of packed item vectors. Each vector represents a bin. - */ -template -using _PackGroup = std::vector>>; - -template -struct ConstItemRange { - Iterator from; - Iterator to; - bool valid = false; - - ConstItemRange() = default; - ConstItemRange(Iterator f, Iterator t): from(f), to(t), valid(true) {} -}; - -template -inline ConstItemRange -rem(typename Container::const_iterator it, const Container& cont) { - return {std::next(it), cont.end()}; -} - -/** - * \brief A wrapper interface (trait) class for any placement strategy provider. - * - * If a client wants to use its own placement algorithm, all it has to do is to - * specialize this class template and define all the ten methods it has. It can - * use the strategies::PlacerBoilerplace class for creating a new placement - * strategy where only the constructor and the trypack method has to be provided - * and it will work out of the box. - */ -template -class PlacementStrategyLike { - PlacementStrategy impl_; -public: - - using RawShape = typename PlacementStrategy::ShapeType; - - /// The item type that the placer works with. - using Item = _Item; - - /// The placer's config type. Should be a simple struct but can be anything. - using Config = typename PlacementStrategy::Config; - - /** - * \brief The type of the bin that the placer works with. - * - * Can be a box or an arbitrary shape or just a width or height without a - * second dimension if an infinite bin is considered. - */ - using BinType = typename PlacementStrategy::BinType; - - /** - * \brief Pack result that can be used to accept or discard it. See trypack - * method. - */ - using PackResult = typename PlacementStrategy::PackResult; - - using ItemGroup = _ItemGroup; - using DefaultIterator = typename ItemGroup::const_iterator; - - /** - * @brief Constructor taking the bin and an optional configuration. - * @param bin The bin object whose type is defined by the placement strategy. - * @param config The configuration for the particular placer. - */ - explicit PlacementStrategyLike(const BinType& bin, - const Config& config = Config()): - impl_(bin) - { - configure(config); - } - - /** - * @brief Provide a different configuration for the placer. - * - * Note that it depends on the particular placer implementation how it - * reacts to config changes in the middle of a calculation. - * - * @param config The configuration object defined by the placement strategy. - */ - inline void configure(const Config& config) { impl_.configure(config); } - - /** - * Try to pack an item with a result object that contains the packing - * information for later accepting it. - * - * \param item_store A container of items that are intended to be packed - * later. Can be used by the placer to switch tactics. When it's knows that - * many items will come a greedy strategy may not be the best. - * \param from The iterator to the item from which the packing should start, - * including the pointed item - * \param count How many items should be packed. If the value is 1, than - * just the item pointed to by "from" argument should be packed. - */ - template - inline PackResult trypack( - Item& item, - const ConstItemRange& remaining = ConstItemRange()) - { - return impl_.trypack(item, remaining); - } - - /** - * @brief A method to accept a previously tried item (or items). - * - * If the pack result is a failure the method should ignore it. - * @param r The result of a previous trypack call. - */ - inline void accept(PackResult& r) { impl_.accept(r); } - - /** - * @brief pack Try to pack and immediately accept it on success. - * - * A default implementation would be to call - * { auto&& r = trypack(...); accept(r); return r; } but we should let the - * implementor of the placement strategy to harvest any optimizations from - * the absence of an intermediate step. The above version can still be used - * in the implementation. - * - * @param item The item to pack. - * @return Returns true if the item was packed or false if it could not be - * packed. - */ - template> - inline bool pack( - Item& item, - const Range& remaining = Range()) - { - return impl_.pack(item, remaining); - } - - /** - * This method makes possible to "preload" some items into the placer. It - * will not move these items but will consider them as already packed. - */ - inline void preload(const ItemGroup& packeditems) - { - impl_.preload(packeditems); - } - - /// Unpack the last element (remove it from the list of packed items). - inline void unpackLast() { impl_.unpackLast(); } - - /// Get the bin object. - inline const BinType& bin() const { return impl_.bin(); } - - /// Set a new bin object. - inline void bin(const BinType& bin) { impl_.bin(bin); } - - /// Get the packed items. - inline ItemGroup getItems() { return impl_.getItems(); } - - /// Clear the packed items so a new session can be started. - inline void clearItems() { impl_.clearItems(); } - - inline double filledArea() const { return impl_.filledArea(); } - -}; - -// The progress function will be called with the number of placed items -using ProgressFunction = std::function; -using StopCondition = std::function; - -/** - * A wrapper interface (trait) class for any selections strategy provider. - */ -template -class SelectionStrategyLike { - SelectionStrategy impl_; -public: - using RawShape = typename SelectionStrategy::ShapeType; - using Item = _Item; - using PackGroup = _PackGroup; - using Config = typename SelectionStrategy::Config; - - - /** - * @brief Provide a different configuration for the selection strategy. - * - * Note that it depends on the particular placer implementation how it - * reacts to config changes in the middle of a calculation. - * - * @param config The configuration object defined by the selection strategy. - */ - inline void configure(const Config& config) { - impl_.configure(config); - } - - /** - * @brief A function callback which should be called whenever an item or - * a group of items where successfully packed. - * @param fn A function callback object taking one unsigned integer as the - * number of the remaining items to pack. - */ - void progressIndicator(ProgressFunction fn) { impl_.progressIndicator(fn); } - - void stopCondition(StopCondition cond) { impl_.stopCondition(cond); } - - /** - * \brief A method to start the calculation on the input sequence. - * - * \tparam TPlacer The only mandatory template parameter is the type of - * placer compatible with the PlacementStrategyLike interface. - * - * \param first, last The first and last iterator if the input sequence. It - * can be only an iterator of a type convertible to Item. - * \param bin. The shape of the bin. It has to be supported by the placement - * strategy. - * \param An optional config object for the placer. - */ - template::BinType, - class PConfig = typename PlacementStrategyLike::Config> - inline void packItems( - TIterator first, - TIterator last, - TBin&& bin, - PConfig&& config = PConfig() ) - { - impl_.template packItems(first, last, - std::forward(bin), - std::forward(config)); - } - - /** - * @brief Get the items for a particular bin. - * @param binIndex The index of the requested bin. - * @return Returns a list of all items packed into the requested bin. - */ - inline const PackGroup& getResult() const { - return impl_.getResult(); - } - - void clear() { impl_.clear(); } -}; - -/** - * The _Nester is the front-end class for the libnest2d library. It takes the - * input items and changes their transformations to be inside the provided bin. - */ -template -class _Nester { - using TSel = SelectionStrategyLike; - TSel selector_; - -public: - using Item = typename PlacementStrategy::Item; - using ShapeType = typename Item::ShapeType; - using ItemRef = std::reference_wrapper; - using TPlacer = PlacementStrategyLike; - using BinType = typename TPlacer::BinType; - using PlacementConfig = typename TPlacer::Config; - using SelectionConfig = typename TSel::Config; - using Coord = TCoord>; - using PackGroup = _PackGroup; - using ResultType = PackGroup; - -private: - BinType bin_; - PlacementConfig pconfig_; - Coord min_obj_distance_; - - using SItem = typename SelectionStrategy::Item; - using TPItem = remove_cvref_t; - using TSItem = remove_cvref_t; - - StopCondition stopfn_; - - template using TVal = remove_ref_t; - - template - using ItemIteratorOnly = - enable_if_t&, TPItem&>::value, Out>; - -public: - - /** - * \brief Constructor taking the bin as the only mandatory parameter. - * - * \param bin The bin shape that will be used by the placers. The type - * of the bin should be one that is supported by the placer type. - */ - template - _Nester(TBinType&& bin, Coord min_obj_distance = 0, - const PConf& pconfig = PConf(), const SConf& sconfig = SConf()): - bin_(std::forward(bin)), - pconfig_(pconfig), - min_obj_distance_(min_obj_distance) - { - static_assert( std::is_same::value, - "Incompatible placement and selection strategy!"); - - selector_.configure(sconfig); - } - - void configure(const PlacementConfig& pconf) { pconfig_ = pconf; } - void configure(const SelectionConfig& sconf) { selector_.configure(sconf); } - void configure(const PlacementConfig& pconf, const SelectionConfig& sconf) - { - pconfig_ = pconf; - selector_.configure(sconf); - } - void configure(const SelectionConfig& sconf, const PlacementConfig& pconf) - { - pconfig_ = pconf; - selector_.configure(sconf); - } - - /** - * \brief Arrange an input sequence of _Item-s. - * - * To get the result, call the translation(), rotation() and binId() - * methods of each item. If only the transformed polygon is needed, call - * transformedShape() to get the properly transformed shapes. - * - * The number of groups in the pack group is the number of bins opened by - * the selection algorithm. - */ - template - inline ItemIteratorOnly execute(It from, It to) - { - auto infl = static_cast(std::ceil(min_obj_distance_/2.0)); - if(infl > 0) std::for_each(from, to, [this, infl](Item& item) { - item.inflate(infl); - }); - - selector_.template packItems( - from, to, bin_, pconfig_); - - if(min_obj_distance_ > 0) std::for_each(from, to, [infl](Item& item) { - item.inflate(-infl); - }); - - return selector_.getResult().size(); - } - - /// Set a progress indicator function object for the selector. - inline _Nester& progressIndicator(ProgressFunction func) - { - selector_.progressIndicator(func); return *this; - } - - /// Set a predicate to tell when to abort nesting. - inline _Nester& stopCondition(StopCondition fn) - { - stopfn_ = fn; selector_.stopCondition(fn); return *this; - } - - inline const PackGroup& lastResult() const - { - return selector_.getResult(); - } -}; - } #endif // LIBNEST2D_HPP diff --git a/src/libnest2d/include/libnest2d/nester.hpp b/src/libnest2d/include/libnest2d/nester.hpp new file mode 100644 index 000000000..2f207d526 --- /dev/null +++ b/src/libnest2d/include/libnest2d/nester.hpp @@ -0,0 +1,869 @@ +#ifndef NESTER_HPP +#define NESTER_HPP + +#include +#include +#include +#include +#include +#include + +#include + +namespace libnest2d { + +static const constexpr int BIN_ID_UNSET = -1; + +/** + * \brief An item to be placed on a bin. + * + * It holds a copy of the original shape object but supports move construction + * from the shape objects if its an rvalue reference. This way we can construct + * the items without the cost of copying a potentially large amount of input. + * + * The results of some calculations are cached for maintaining fast run times. + * For this reason, memory demands are much higher but this should pay off. + */ +template +class _Item { + using Coord = TCoord>; + using Vertex = TPoint; + using Box = _Box; + + using VertexConstIterator = typename TContour::const_iterator; + + // The original shape that gets encapsulated. + RawShape sh_; + + // Transformation data + Vertex translation_{0, 0}; + Radians rotation_{0.0}; + Coord inflation_{0}; + + // Info about whether the transformations will have to take place + // This is needed because if floating point is used, it is hard to say + // that a zero angle is not a rotation because of testing for equality. + bool has_rotation_ = false, has_translation_ = false, has_inflation_ = false; + + // For caching the calculations as they can get pretty expensive. + mutable RawShape tr_cache_; + mutable bool tr_cache_valid_ = false; + mutable double area_cache_ = 0; + mutable bool area_cache_valid_ = false; + mutable RawShape inflate_cache_; + mutable bool inflate_cache_valid_ = false; + + enum class Convexity: char { + UNCHECKED, + C_TRUE, + C_FALSE + }; + + mutable Convexity convexity_ = Convexity::UNCHECKED; + mutable VertexConstIterator rmt_; // rightmost top vertex + mutable VertexConstIterator lmb_; // leftmost bottom vertex + mutable bool rmt_valid_ = false, lmb_valid_ = false; + mutable struct BBCache { + Box bb; bool valid; + BBCache(): valid(false) {} + } bb_cache_; + + int binid_{BIN_ID_UNSET}, priority_{0}; + bool fixed_{false}; + +public: + + /// The type of the shape which was handed over as the template argument. + using ShapeType = RawShape; + + /** + * \brief Iterator type for the outer vertices. + * + * Only const iterators can be used. The _Item type is not intended to + * modify the carried shapes from the outside. The main purpose of this type + * is to cache the calculation results from the various operators it + * supports. Giving out a non const iterator would make it impossible to + * perform correct cache invalidation. + */ + using Iterator = VertexConstIterator; + + /** + * @brief Get the orientation of the polygon. + * + * The orientation have to be specified as a specialization of the + * OrientationType struct which has a Value constant. + * + * @return The orientation type identifier for the _Item type. + */ + static BP2D_CONSTEXPR Orientation orientation() { + return OrientationType::Value; + } + + /** + * @brief Constructing an _Item form an existing raw shape. The shape will + * be copied into the _Item object. + * @param sh The original shape object. + */ + explicit inline _Item(const RawShape& sh): sh_(sh) {} + + /** + * @brief Construction of an item by moving the content of the raw shape, + * assuming that it supports move semantics. + * @param sh The original shape object. + */ + explicit inline _Item(RawShape&& sh): sh_(std::move(sh)) {} + + /** + * @brief Create an item from an initializer list. + * @param il The initializer list of vertices. + */ + inline _Item(const std::initializer_list< Vertex >& il): + sh_(sl::create(il)) {} + + inline _Item(const TContour& contour, + const THolesContainer& holes = {}): + sh_(sl::create(contour, holes)) {} + + inline _Item(TContour&& contour, + THolesContainer&& holes): + sh_(sl::create(std::move(contour), std::move(holes))) {} + + inline bool isFixed() const noexcept { return fixed_; } + inline void markAsFixedInBin(int binid) + { + fixed_ = binid >= 0; + binid_ = binid; + } + + inline void binId(int idx) { binid_ = idx; } + inline int binId() const noexcept { return binid_; } + + inline void priority(int p) { priority_ = p; } + inline int priority() const noexcept { return priority_; } + + /** + * @brief Convert the polygon to string representation. The format depends + * on the implementation of the polygon. + * @return + */ + inline std::string toString() const + { + return sl::toString(sh_); + } + + /// Iterator tho the first contour vertex in the polygon. + inline Iterator begin() const + { + return sl::cbegin(sh_); + } + + /// Alias to begin() + inline Iterator cbegin() const + { + return sl::cbegin(sh_); + } + + /// Iterator to the last contour vertex. + inline Iterator end() const + { + return sl::cend(sh_); + } + + /// Alias to end() + inline Iterator cend() const + { + return sl::cend(sh_); + } + + /** + * @brief Get a copy of an outer vertex within the carried shape. + * + * Note that the vertex considered here is taken from the original shape + * that this item is constructed from. This means that no transformation is + * applied to the shape in this call. + * + * @param idx The index of the requested vertex. + * @return A copy of the requested vertex. + */ + inline Vertex vertex(unsigned long idx) const + { + return sl::vertex(sh_, idx); + } + + /** + * @brief Modify a vertex. + * + * Note that this method will invalidate every cached calculation result + * including polygon offset and transformations. + * + * @param idx The index of the requested vertex. + * @param v The new vertex data. + */ + inline void setVertex(unsigned long idx, const Vertex& v ) + { + invalidateCache(); + sl::vertex(sh_, idx) = v; + } + + /** + * @brief Calculate the shape area. + * + * The method returns absolute value and does not reflect polygon + * orientation. The result is cached, subsequent calls will have very little + * cost. + * @return The shape area in floating point double precision. + */ + inline double area() const { + double ret ; + if(area_cache_valid_) ret = area_cache_; + else { + ret = sl::area(infaltedShape()); + area_cache_ = ret; + area_cache_valid_ = true; + } + return ret; + } + + inline bool isContourConvex() const { + bool ret = false; + + switch(convexity_) { + case Convexity::UNCHECKED: + ret = sl::isConvex(sl::contour(transformedShape())); + convexity_ = ret? Convexity::C_TRUE : Convexity::C_FALSE; + break; + case Convexity::C_TRUE: ret = true; break; + case Convexity::C_FALSE:; + } + + return ret; + } + + inline bool isHoleConvex(unsigned /*holeidx*/) const { + return false; + } + + inline bool areHolesConvex() const { + return false; + } + + /// The number of the outer ring vertices. + inline size_t vertexCount() const { + return sl::contourVertexCount(sh_); + } + + inline size_t holeCount() const { + return sl::holeCount(sh_); + } + + /** + * @brief isPointInside + * @param p + * @return + */ + inline bool isInside(const Vertex& p) const + { + return sl::isInside(p, transformedShape()); + } + + inline bool isInside(const _Item& sh) const + { + return sl::isInside(transformedShape(), sh.transformedShape()); + } + + inline bool isInside(const RawShape& sh) const + { + return sl::isInside(transformedShape(), sh); + } + + inline bool isInside(const _Box>& box) const; + inline bool isInside(const _Circle>& box) const; + + inline void translate(const Vertex& d) BP2D_NOEXCEPT + { + translation(translation() + d); + } + + inline void rotate(const Radians& rads) BP2D_NOEXCEPT + { + rotation(rotation() + rads); + } + + inline void inflation(Coord distance) BP2D_NOEXCEPT + { + inflation_ = distance; + has_inflation_ = true; + invalidateCache(); + } + + inline Coord inflation() const BP2D_NOEXCEPT { + return inflation_; + } + + inline void inflate(Coord distance) BP2D_NOEXCEPT + { + inflation(inflation() + distance); + } + + inline Radians rotation() const BP2D_NOEXCEPT + { + return rotation_; + } + + inline TPoint translation() const BP2D_NOEXCEPT + { + return translation_; + } + + inline void rotation(Radians rot) BP2D_NOEXCEPT + { + if(rotation_ != rot) { + rotation_ = rot; has_rotation_ = true; tr_cache_valid_ = false; + rmt_valid_ = false; lmb_valid_ = false; + bb_cache_.valid = false; + } + } + + inline void translation(const TPoint& tr) BP2D_NOEXCEPT + { + if(translation_ != tr) { + translation_ = tr; has_translation_ = true; tr_cache_valid_ = false; + //bb_cache_.valid = false; + } + } + + inline const RawShape& transformedShape() const + { + if(tr_cache_valid_) return tr_cache_; + + RawShape cpy = infaltedShape(); + if(has_rotation_) sl::rotate(cpy, rotation_); + if(has_translation_) sl::translate(cpy, translation_); + tr_cache_ = cpy; tr_cache_valid_ = true; + rmt_valid_ = false; lmb_valid_ = false; + + return tr_cache_; + } + + inline operator RawShape() const + { + return transformedShape(); + } + + inline const RawShape& rawShape() const BP2D_NOEXCEPT + { + return sh_; + } + + inline void resetTransformation() BP2D_NOEXCEPT + { + has_translation_ = false; has_rotation_ = false; has_inflation_ = false; + invalidateCache(); + } + + inline Box boundingBox() const { + if(!bb_cache_.valid) { + if(!has_rotation_) + bb_cache_.bb = sl::boundingBox(infaltedShape()); + else { + // TODO make sure this works + auto rotsh = infaltedShape(); + sl::rotate(rotsh, rotation_); + bb_cache_.bb = sl::boundingBox(rotsh); + } + bb_cache_.valid = true; + } + + auto &bb = bb_cache_.bb; auto &tr = translation_; + return {bb.minCorner() + tr, bb.maxCorner() + tr }; + } + + inline Vertex referenceVertex() const { + return rightmostTopVertex(); + } + + inline Vertex rightmostTopVertex() const { + if(!rmt_valid_ || !tr_cache_valid_) { // find max x and max y vertex + auto& tsh = transformedShape(); + rmt_ = std::max_element(sl::cbegin(tsh), sl::cend(tsh), vsort); + rmt_valid_ = true; + } + return *rmt_; + } + + inline Vertex leftmostBottomVertex() const { + if(!lmb_valid_ || !tr_cache_valid_) { // find min x and min y vertex + auto& tsh = transformedShape(); + lmb_ = std::min_element(sl::cbegin(tsh), sl::cend(tsh), vsort); + lmb_valid_ = true; + } + return *lmb_; + } + + //Static methods: + + inline static bool intersects(const _Item& sh1, const _Item& sh2) + { + return sl::intersects(sh1.transformedShape(), + sh2.transformedShape()); + } + + inline static bool touches(const _Item& sh1, const _Item& sh2) + { + return sl::touches(sh1.transformedShape(), + sh2.transformedShape()); + } + +private: + + inline const RawShape& infaltedShape() const { + if(has_inflation_ ) { + if(inflate_cache_valid_) return inflate_cache_; + + inflate_cache_ = sh_; + sl::offset(inflate_cache_, inflation_); + inflate_cache_valid_ = true; + return inflate_cache_; + } + return sh_; + } + + inline void invalidateCache() const BP2D_NOEXCEPT + { + tr_cache_valid_ = false; + lmb_valid_ = false; rmt_valid_ = false; + area_cache_valid_ = false; + inflate_cache_valid_ = false; + bb_cache_.valid = false; + convexity_ = Convexity::UNCHECKED; + } + + static inline bool vsort(const Vertex& v1, const Vertex& v2) + { + TCompute x1 = getX(v1), x2 = getX(v2); + TCompute y1 = getY(v1), y2 = getY(v2); + return y1 == y2 ? x1 < x2 : y1 < y2; + } +}; + +/** + * \brief Subclass of _Item for regular rectangle items. + */ +template +class _Rectangle: public _Item { + using _Item::vertex; + using TO = Orientation; +public: + + using Unit = TCoord>; + + template::Value> + inline _Rectangle(Unit width, Unit height, + // disable this ctor if o != CLOCKWISE + enable_if_t< o == TO::CLOCKWISE, int> = 0 ): + _Item( sl::create( { + {0, 0}, + {0, height}, + {width, height}, + {width, 0}, + {0, 0} + } )) + { + } + + template::Value> + inline _Rectangle(Unit width, Unit height, + // disable this ctor if o != COUNTER_CLOCKWISE + enable_if_t< o == TO::COUNTER_CLOCKWISE, int> = 0 ): + _Item( sl::create( { + {0, 0}, + {width, 0}, + {width, height}, + {0, height}, + {0, 0} + } )) + { + } + + inline Unit width() const BP2D_NOEXCEPT { + return getX(vertex(2)); + } + + inline Unit height() const BP2D_NOEXCEPT { + return getY(vertex(2)); + } +}; + +template +inline bool _Item::isInside(const _Box>& box) const { + return sl::isInside(boundingBox(), box); +} + +template inline bool +_Item::isInside(const _Circle>& circ) const { + return sl::isInside(transformedShape(), circ); +} + +template using _ItemRef = std::reference_wrapper<_Item>; +template using _ItemGroup = std::vector<_ItemRef>; + +/** + * \brief A list of packed item vectors. Each vector represents a bin. + */ +template +using _PackGroup = std::vector>>; + +template +struct ConstItemRange { + Iterator from; + Iterator to; + bool valid = false; + + ConstItemRange() = default; + ConstItemRange(Iterator f, Iterator t): from(f), to(t), valid(true) {} +}; + +template +inline ConstItemRange +rem(typename Container::const_iterator it, const Container& cont) { + return {std::next(it), cont.end()}; +} + +/** + * \brief A wrapper interface (trait) class for any placement strategy provider. + * + * If a client wants to use its own placement algorithm, all it has to do is to + * specialize this class template and define all the ten methods it has. It can + * use the strategies::PlacerBoilerplace class for creating a new placement + * strategy where only the constructor and the trypack method has to be provided + * and it will work out of the box. + */ +template +class PlacementStrategyLike { + PlacementStrategy impl_; +public: + + using RawShape = typename PlacementStrategy::ShapeType; + + /// The item type that the placer works with. + using Item = _Item; + + /// The placer's config type. Should be a simple struct but can be anything. + using Config = typename PlacementStrategy::Config; + + /** + * \brief The type of the bin that the placer works with. + * + * Can be a box or an arbitrary shape or just a width or height without a + * second dimension if an infinite bin is considered. + */ + using BinType = typename PlacementStrategy::BinType; + + /** + * \brief Pack result that can be used to accept or discard it. See trypack + * method. + */ + using PackResult = typename PlacementStrategy::PackResult; + + using ItemGroup = _ItemGroup; + using DefaultIterator = typename ItemGroup::const_iterator; + + /** + * @brief Constructor taking the bin and an optional configuration. + * @param bin The bin object whose type is defined by the placement strategy. + * @param config The configuration for the particular placer. + */ + explicit PlacementStrategyLike(const BinType& bin, + const Config& config = Config()): + impl_(bin) + { + configure(config); + } + + /** + * @brief Provide a different configuration for the placer. + * + * Note that it depends on the particular placer implementation how it + * reacts to config changes in the middle of a calculation. + * + * @param config The configuration object defined by the placement strategy. + */ + inline void configure(const Config& config) { impl_.configure(config); } + + /** + * Try to pack an item with a result object that contains the packing + * information for later accepting it. + * + * \param item_store A container of items that are intended to be packed + * later. Can be used by the placer to switch tactics. When it's knows that + * many items will come a greedy strategy may not be the best. + * \param from The iterator to the item from which the packing should start, + * including the pointed item + * \param count How many items should be packed. If the value is 1, than + * just the item pointed to by "from" argument should be packed. + */ + template + inline PackResult trypack( + Item& item, + const ConstItemRange& remaining = ConstItemRange()) + { + return impl_.trypack(item, remaining); + } + + /** + * @brief A method to accept a previously tried item (or items). + * + * If the pack result is a failure the method should ignore it. + * @param r The result of a previous trypack call. + */ + inline void accept(PackResult& r) { impl_.accept(r); } + + /** + * @brief pack Try to pack and immediately accept it on success. + * + * A default implementation would be to call + * { auto&& r = trypack(...); accept(r); return r; } but we should let the + * implementor of the placement strategy to harvest any optimizations from + * the absence of an intermediate step. The above version can still be used + * in the implementation. + * + * @param item The item to pack. + * @return Returns true if the item was packed or false if it could not be + * packed. + */ + template> + inline bool pack( + Item& item, + const Range& remaining = Range()) + { + return impl_.pack(item, remaining); + } + + /** + * This method makes possible to "preload" some items into the placer. It + * will not move these items but will consider them as already packed. + */ + inline void preload(const ItemGroup& packeditems) + { + impl_.preload(packeditems); + } + + /// Unpack the last element (remove it from the list of packed items). + inline void unpackLast() { impl_.unpackLast(); } + + /// Get the bin object. + inline const BinType& bin() const { return impl_.bin(); } + + /// Set a new bin object. + inline void bin(const BinType& bin) { impl_.bin(bin); } + + /// Get the packed items. + inline ItemGroup getItems() { return impl_.getItems(); } + + /// Clear the packed items so a new session can be started. + inline void clearItems() { impl_.clearItems(); } + + inline double filledArea() const { return impl_.filledArea(); } + +}; + +// The progress function will be called with the number of placed items +using ProgressFunction = std::function; +using StopCondition = std::function; + +/** + * A wrapper interface (trait) class for any selections strategy provider. + */ +template +class SelectionStrategyLike { + SelectionStrategy impl_; +public: + using RawShape = typename SelectionStrategy::ShapeType; + using Item = _Item; + using PackGroup = _PackGroup; + using Config = typename SelectionStrategy::Config; + + + /** + * @brief Provide a different configuration for the selection strategy. + * + * Note that it depends on the particular placer implementation how it + * reacts to config changes in the middle of a calculation. + * + * @param config The configuration object defined by the selection strategy. + */ + inline void configure(const Config& config) { + impl_.configure(config); + } + + /** + * @brief A function callback which should be called whenever an item or + * a group of items where successfully packed. + * @param fn A function callback object taking one unsigned integer as the + * number of the remaining items to pack. + */ + void progressIndicator(ProgressFunction fn) { impl_.progressIndicator(fn); } + + void stopCondition(StopCondition cond) { impl_.stopCondition(cond); } + + /** + * \brief A method to start the calculation on the input sequence. + * + * \tparam TPlacer The only mandatory template parameter is the type of + * placer compatible with the PlacementStrategyLike interface. + * + * \param first, last The first and last iterator if the input sequence. It + * can be only an iterator of a type convertible to Item. + * \param bin. The shape of the bin. It has to be supported by the placement + * strategy. + * \param An optional config object for the placer. + */ + template::BinType, + class PConfig = typename PlacementStrategyLike::Config> + inline void packItems( + TIterator first, + TIterator last, + TBin&& bin, + PConfig&& config = PConfig() ) + { + impl_.template packItems(first, last, + std::forward(bin), + std::forward(config)); + } + + /** + * @brief Get the items for a particular bin. + * @param binIndex The index of the requested bin. + * @return Returns a list of all items packed into the requested bin. + */ + inline const PackGroup& getResult() const { + return impl_.getResult(); + } + + void clear() { impl_.clear(); } +}; + +/** + * The _Nester is the front-end class for the libnest2d library. It takes the + * input items and changes their transformations to be inside the provided bin. + */ +template +class _Nester { + using TSel = SelectionStrategyLike; + TSel selector_; + +public: + using Item = typename PlacementStrategy::Item; + using ShapeType = typename Item::ShapeType; + using ItemRef = std::reference_wrapper; + using TPlacer = PlacementStrategyLike; + using BinType = typename TPlacer::BinType; + using PlacementConfig = typename TPlacer::Config; + using SelectionConfig = typename TSel::Config; + using Coord = TCoord>; + using PackGroup = _PackGroup; + using ResultType = PackGroup; + +private: + BinType bin_; + PlacementConfig pconfig_; + Coord min_obj_distance_; + + using SItem = typename SelectionStrategy::Item; + using TPItem = remove_cvref_t; + using TSItem = remove_cvref_t; + + StopCondition stopfn_; + + template using TVal = remove_ref_t; + + template + using ItemIteratorOnly = + enable_if_t&, TPItem&>::value, Out>; + +public: + + /** + * \brief Constructor taking the bin as the only mandatory parameter. + * + * \param bin The bin shape that will be used by the placers. The type + * of the bin should be one that is supported by the placer type. + */ + template + _Nester(TBinType&& bin, Coord min_obj_distance = 0, + const PConf& pconfig = PConf(), const SConf& sconfig = SConf()): + bin_(std::forward(bin)), + pconfig_(pconfig), + min_obj_distance_(min_obj_distance) + { + static_assert( std::is_same::value, + "Incompatible placement and selection strategy!"); + + selector_.configure(sconfig); + } + + void configure(const PlacementConfig& pconf) { pconfig_ = pconf; } + void configure(const SelectionConfig& sconf) { selector_.configure(sconf); } + void configure(const PlacementConfig& pconf, const SelectionConfig& sconf) + { + pconfig_ = pconf; + selector_.configure(sconf); + } + void configure(const SelectionConfig& sconf, const PlacementConfig& pconf) + { + pconfig_ = pconf; + selector_.configure(sconf); + } + + /** + * \brief Arrange an input sequence of _Item-s. + * + * To get the result, call the translation(), rotation() and binId() + * methods of each item. If only the transformed polygon is needed, call + * transformedShape() to get the properly transformed shapes. + * + * The number of groups in the pack group is the number of bins opened by + * the selection algorithm. + */ + template + inline ItemIteratorOnly execute(It from, It to) + { + auto infl = static_cast(std::ceil(min_obj_distance_/2.0)); + if(infl > 0) std::for_each(from, to, [this, infl](Item& item) { + item.inflate(infl); + }); + + selector_.template packItems( + from, to, bin_, pconfig_); + + if(min_obj_distance_ > 0) std::for_each(from, to, [infl](Item& item) { + item.inflate(-infl); + }); + + return selector_.getResult().size(); + } + + /// Set a progress indicator function object for the selector. + inline _Nester& progressIndicator(ProgressFunction func) + { + selector_.progressIndicator(func); return *this; + } + + /// Set a predicate to tell when to abort nesting. + inline _Nester& stopCondition(StopCondition fn) + { + stopfn_ = fn; selector_.stopCondition(fn); return *this; + } + + inline const PackGroup& lastResult() const + { + return selector_.getResult(); + } +}; + +} + +#endif // NESTER_HPP diff --git a/src/libnest2d/include/libnest2d/optimizers/nlopt/CMakeLists.txt b/src/libnest2d/include/libnest2d/optimizers/nlopt/CMakeLists.txt deleted file mode 100644 index 6f51718d8..000000000 --- a/src/libnest2d/include/libnest2d/optimizers/nlopt/CMakeLists.txt +++ /dev/null @@ -1,61 +0,0 @@ -find_package(NLopt 1.4) - -if(NOT NLopt_FOUND) - message(STATUS "NLopt not found so downloading " - "and automatic build is performed...") - - include(DownloadProject) - - if (CMAKE_VERSION VERSION_LESS 3.2) - set(UPDATE_DISCONNECTED_IF_AVAILABLE "") - else() - set(UPDATE_DISCONNECTED_IF_AVAILABLE "UPDATE_DISCONNECTED 1") - endif() - - set(URL_NLOPT "https://github.com/stevengj/nlopt.git" - CACHE STRING "Location of the nlopt git repository") - - # set(NLopt_DIR ${CMAKE_BINARY_DIR}/nlopt) - include(DownloadProject) - download_project( PROJ nlopt - GIT_REPOSITORY ${URL_NLOPT} - GIT_TAG v2.5.0 - # CMAKE_CACHE_ARGS -DBUILD_SHARED_LIBS:BOOL=OFF -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE} -DCMAKE_INSTALL_PREFIX=${NLopt_DIR} - ${UPDATE_DISCONNECTED_IF_AVAILABLE} - ) - - set(SHARED_LIBS_STATE BUILD_SHARED_LIBS) - set(BUILD_SHARED_LIBS OFF CACHE BOOL "" FORCE) - set(NLOPT_PYTHON OFF CACHE BOOL "" FORCE) - set(NLOPT_OCTAVE OFF CACHE BOOL "" FORCE) - set(NLOPT_MATLAB OFF CACHE BOOL "" FORCE) - set(NLOPT_GUILE OFF CACHE BOOL "" FORCE) - set(NLOPT_SWIG OFF CACHE BOOL "" FORCE) - set(NLOPT_LINK_PYTHON OFF CACHE BOOL "" FORCE) - - add_subdirectory(${nlopt_SOURCE_DIR} ${nlopt_BINARY_DIR}) - - set(NLopt_LIBS nlopt) - set(NLopt_INCLUDE_DIR ${nlopt_BINARY_DIR} ${nlopt_BINARY_DIR}/src/api) - set(SHARED_LIBS_STATE ${SHARED_STATE}) - - add_library(nloptOptimizer INTERFACE) - target_link_libraries(nloptOptimizer INTERFACE nlopt) - target_include_directories(nloptOptimizer INTERFACE ${NLopt_INCLUDE_DIR}) - -else() - add_library(nloptOptimizer INTERFACE) - target_link_libraries(nloptOptimizer INTERFACE Nlopt::Nlopt) -endif() - -#target_sources( nloptOptimizer INTERFACE -#${CMAKE_CURRENT_SOURCE_DIR}/simplex.hpp -#${CMAKE_CURRENT_SOURCE_DIR}/subplex.hpp -#${CMAKE_CURRENT_SOURCE_DIR}/genetic.hpp -#${CMAKE_CURRENT_SOURCE_DIR}/nlopt_boilerplate.hpp -#) - -target_compile_definitions(nloptOptimizer INTERFACE LIBNEST2D_OPTIMIZER_NLOPT) - -# And finally plug the nloptOptimizer into libnest2d -#target_link_libraries(libnest2d INTERFACE nloptOptimizer) diff --git a/src/libnest2d/include/libnest2d/placers/placer_boilerplate.hpp b/src/libnest2d/include/libnest2d/placers/placer_boilerplate.hpp index 26681aeec..dc1bbd4f1 100644 --- a/src/libnest2d/include/libnest2d/placers/placer_boilerplate.hpp +++ b/src/libnest2d/include/libnest2d/placers/placer_boilerplate.hpp @@ -1,7 +1,7 @@ #ifndef PLACER_BOILERPLATE_HPP #define PLACER_BOILERPLATE_HPP -#include +#include namespace libnest2d { namespace placers { diff --git a/src/libnest2d/include/libnest2d/selections/selection_boilerplate.hpp b/src/libnest2d/include/libnest2d/selections/selection_boilerplate.hpp index 36fec7164..8e65bafe9 100644 --- a/src/libnest2d/include/libnest2d/selections/selection_boilerplate.hpp +++ b/src/libnest2d/include/libnest2d/selections/selection_boilerplate.hpp @@ -2,7 +2,7 @@ #define SELECTION_BOILERPLATE_HPP #include -#include +#include namespace libnest2d { namespace selections { @@ -25,7 +25,7 @@ public: inline void clear() { packed_bins_.clear(); } protected: - + template void remove_unpackable_items(Container &c, const Bin &bin, const PCfg& pcfg) { @@ -33,14 +33,14 @@ protected: // then it should be removed from the list auto it = c.begin(); while (it != c.end() && !stopcond_()) { - + // WARNING: The copy of itm needs to be created before Placer. // Placer is working with references and its destructor still // manipulates the item this is why the order of stack creation - // matters here. + // matters here. const Item& itm = *it; Item cpy{itm}; - + Placer p{bin}; p.configure(pcfg); if (itm.area() <= 0 || !p.pack(cpy)) it = c.erase(it); diff --git a/src/libnest2d/src/libnest2d.cpp b/src/libnest2d/src/libnest2d.cpp index 740f6e18d..5a881541e 100644 --- a/src/libnest2d/src/libnest2d.cpp +++ b/src/libnest2d/src/libnest2d.cpp @@ -1,19 +1,24 @@ -#include +#include namespace libnest2d { -template class Nester; -template class Nester; +template class _Nester; +template class _Nester; + +template std::size_t _Nester::execute( + std::vector::iterator, std::vector::iterator); +template std::size_t _Nester::execute( + std::vector::iterator, std::vector::iterator); template std::size_t nest(std::vector::iterator from, - std::vector::iterator from to, + std::vector::iterator to, const Box & bin, Coord dist, const NestConfig &cfg, NestControl ctl); template std::size_t nest(std::vector::iterator from, - std::vector::iterator from to, + std::vector::iterator to, const Box & bin, Coord dist, const NestConfig &cfg, diff --git a/src/libnest2d/tests/CMakeLists.txt b/src/libnest2d/tests/CMakeLists.txt deleted file mode 100644 index 1b7d8e3ae..000000000 --- a/src/libnest2d/tests/CMakeLists.txt +++ /dev/null @@ -1,60 +0,0 @@ - -# Try to find existing GTest installation -find_package(GTest 1.7) - -if(NOT GTEST_FOUND) - set(URL_GTEST "https://github.com/google/googletest.git" - CACHE STRING "Google test source code repository location.") - - message(STATUS "GTest not found so downloading from ${URL_GTEST}") - # Go and download google test framework, integrate it with the build - set(GTEST_LIBS_TO_LINK gtest gtest_main) - - if (CMAKE_VERSION VERSION_LESS 3.2) - set(UPDATE_DISCONNECTED_IF_AVAILABLE "") - else() - set(UPDATE_DISCONNECTED_IF_AVAILABLE "UPDATE_DISCONNECTED 1") - endif() - - include(DownloadProject) - download_project(PROJ googletest - GIT_REPOSITORY ${URL_GTEST} - GIT_TAG release-1.7.0 - ${UPDATE_DISCONNECTED_IF_AVAILABLE} - ) - - # Prevent GoogleTest from overriding our compiler/linker options - # when building with Visual Studio - set(gtest_force_shared_crt ON CACHE BOOL "" FORCE) - - add_subdirectory(${googletest_SOURCE_DIR} - ${googletest_BINARY_DIR} - ) - - set(GTEST_INCLUDE_DIRS ${googletest_SOURCE_DIR}/include) - -else() - find_package(Threads REQUIRED) - set(GTEST_LIBS_TO_LINK ${GTEST_BOTH_LIBRARIES} Threads::Threads) -endif() - -add_executable(tests_clipper_nlopt - test.cpp - ../tools/svgtools.hpp -# ../tools/libnfpglue.hpp -# ../tools/libnfpglue.cpp - printer_parts.h - printer_parts.cpp -) - -target_link_libraries(tests_clipper_nlopt libnest2d ${GTEST_LIBS_TO_LINK} ) - -target_include_directories(tests_clipper_nlopt PRIVATE BEFORE ${GTEST_INCLUDE_DIRS}) - -if(NOT LIBNEST2D_HEADER_ONLY) - target_link_libraries(tests_clipper_nlopt ${LIBNAME}) -else() - target_link_libraries(tests_clipper_nlopt libnest2d) -endif() - -add_test(libnest2d_tests tests_clipper_nlopt) diff --git a/src/libnest2d/tests/printer_parts.cpp b/src/libnest2d/tests/printer_parts.cpp deleted file mode 100644 index bdc2a3d43..000000000 --- a/src/libnest2d/tests/printer_parts.cpp +++ /dev/null @@ -1,3175 +0,0 @@ -#include "printer_parts.h" - -const TestData PRINTER_PART_POLYGONS = -{ - { - {-5000000, 8954050}, - {5000000, 8954050}, - {5000000, -45949}, - {4972609, -568550}, - {3500000, -8954050}, - {-3500000, -8954050}, - {-4972609, -568550}, - {-5000000, -45949}, - {-5000000, 8954050}, - }, - { - {-63750000, -8000000}, - {-54750000, 46000000}, - {50750000, 46000000}, - {63750000, 33000000}, - {63750000, -46000000}, - {-54750000, -46000000}, - {-63750000, -28000000}, - {-63750000, -8000000}, - }, - { - {-52750000, 41512348}, - {-31250000, 45987651}, - {52750000, 45987651}, - {52750000, -45987651}, - {-52750000, -45987651}, - {-52750000, 41512348}, - }, - { - {-3900000, 14000000}, - {-2167950, 14000000}, - {1721454, 7263400}, - {3828529, 3613790}, - {3838809, 3582149}, - {3871560, 3270569}, - {3900000, 3000000}, - {3500000, -3000000}, - {3471560, -3270565}, - {3447549, -3498986}, - {3292510, -3976167}, - {3099999, -4512949}, - {2530129, -5500000}, - {807565, -8483570}, - {-2377349, -14000000}, - {-3900000, -14000000}, - {-3900000, 14000000}, - }, - { - {-31750000, -1000000}, - {-25250000, 40500000}, - {-18250000, 47500000}, - {10750000, 47500000}, - {16750000, 41500000}, - {31750000, -37000000}, - {31750000, -43857898}, - {28107900, -47500000}, - {18392099, -47500000}, - {-20750000, -46500000}, - {-31750000, -4000000}, - {-31750000, -1000000}, - }, - { - {-34625000, -14265399}, - {-10924999, 24875000}, - {33325000, 24875000}, - {37575000, 20625000}, - {37575000, 17625000}, - {26575000, -24875000}, - {-8924999, -24875000}, - {-34625000, -24484600}, - {-37575000, -19375000}, - {-34625000, -14265399}, - }, - { - {-14000000, 9000000}, - {-11000000, 17000000}, - {14000000, 17000000}, - {14000000, -17000000}, - {-11000000, -17000000}, - {-14000000, -8000000}, - {-14000000, 9000000}, - }, - { - {-5300000, 2227401}, - {-237800, 5150001}, - {5299999, 5150001}, - {5299999, 650001}, - {4699999, -5149997}, - {-5300000, -5149997}, - {-5300000, 2227401}, - }, - { - {-12000000, 18000000}, - {12000000, 18000000}, - {12000000, -18000000}, - {-12000000, -18000000}, - {-12000000, 18000000}, - }, - { - {-18000000, -1000000}, - {-15000000, 22000000}, - {-11000000, 26000000}, - {11000000, 26000000}, - {15000000, 22000000}, - {18000000, -1000000}, - {18000000, -26000000}, - {-18000000, -26000000}, - {-18000000, -1000000}, - }, - { - {-77500000, 30000000}, - {-72500000, 35000000}, - {72500000, 35000000}, - {77500000, 30000000}, - {77500000, -32928901}, - {75428901, -35000000}, - {-75428901, -35000000}, - {-77500000, -32928901}, - {-77500000, 30000000}, - }, - { - {-9945219, -3065619}, - {-9781479, -2031780}, - {-9510560, -1020730}, - {-9135450, -43529}, - {-2099999, 14110899}, - {2099999, 14110899}, - {9135450, -43529}, - {9510560, -1020730}, - {9781479, -2031780}, - {9945219, -3065619}, - {10000000, -4110899}, - {9945219, -5156179}, - {9781479, -6190019}, - {9510560, -7201069}, - {9135450, -8178270}, - {8660249, -9110899}, - {8090169, -9988750}, - {7431449, -10802209}, - {6691309, -11542349}, - {5877850, -12201069}, - {5000000, -12771149}, - {4067369, -13246350}, - {3090169, -13621459}, - {2079119, -13892379}, - {1045279, -14056119}, - {0, -14110899}, - {-1045279, -14056119}, - {-2079119, -13892379}, - {-3090169, -13621459}, - {-4067369, -13246350}, - {-5000000, -12771149}, - {-5877850, -12201069}, - {-6691309, -11542349}, - {-7431449, -10802209}, - {-8090169, -9988750}, - {-8660249, -9110899}, - {-9135450, -8178270}, - {-9510560, -7201069}, - {-9781479, -6190019}, - {-9945219, -5156179}, - {-10000000, -4110899}, - {-9945219, -3065619}, - }, - { - {-34192394, -5192389}, - {-31499996, 39000000}, - {-8183795, 47668998}, - {-6769596, 47668998}, - {-4648197, 45547698}, - {34192394, 6707109}, - {34192394, 5192389}, - {31500003, -39000000}, - {8183803, -47668998}, - {6769603, -47668998}, - {4648202, -45547698}, - {-32474895, -8424619}, - {-34192394, -6707109}, - {-34192394, -5192389}, - }, - { - {-23475500, -11910099}, - {-18000000, 8217699}, - {-11139699, 20100000}, - {-10271400, 20899999}, - {9532010, 20899999}, - {11199999, 20100000}, - {18500000, 8600000}, - {23475500, -11910099}, - {23799999, -14899999}, - {23706600, -15788900}, - {23668899, -16147499}, - {23281299, -17340400}, - {22654100, -18426700}, - {21814800, -19358900}, - {20799999, -20096199}, - {19654100, -20606300}, - {18427200, -20867099}, - {17799999, -20899999}, - {-17799999, -20899999}, - {-18427200, -20867099}, - {-19654100, -20606300}, - {-20799999, -20096199}, - {-21814800, -19358900}, - {-22654100, -18426700}, - {-23281299, -17340400}, - {-23668899, -16147499}, - {-23799999, -14899999}, - {-23475500, -11910099}, - }, - { - {-32000000, 10000000}, - {-31934440, 10623733}, - {-31740640, 11220210}, - {-31427049, 11763360}, - {-31007389, 12229430}, - {-30500000, 12598079}, - {-29927051, 12853170}, - {-29313585, 12983570}, - {16000000, 16000000}, - {26000000, 16000000}, - {31007400, 12229430}, - {31427101, 11763360}, - {31740600, 11220210}, - {31934398, 10623733}, - {32000000, 10000000}, - {32000000, -13000000}, - {31934398, -13623699}, - {31740600, -14220199}, - {31427101, -14763399}, - {31007400, -15229400}, - {30500000, -15598100}, - {29927101, -15853200}, - {29313598, -15983600}, - {29000000, -16000000}, - {-28000000, -16000000}, - {-29313585, -15983600}, - {-29927051, -15853200}, - {-30500000, -15598100}, - {-31007389, -15229400}, - {-31427049, -14763399}, - {-31740640, -14220199}, - {-31934440, -13623699}, - {-32000000, -13000000}, - {-32000000, 10000000}, - }, - { - {-36133789, -46431022}, - {-36040100, -46171817}, - {-35852722, -45653411}, - {2200073, 59616485}, - {12112792, 87039184}, - {14274505, 93019332}, - {14382049, 93291641}, - {14508483, 93563430}, - {14573425, 93688369}, - {14654052, 93832443}, - {14818634, 94096328}, - {14982757, 94327621}, - {15001708, 94352630}, - {15202392, 94598999}, - {15419342, 94833160}, - {15497497, 94910552}, - {15650848, 95053039}, - {15894866, 95256866}, - {16104309, 95412185}, - {16149047, 95443206}, - {16410888, 95611038}, - {16677795, 95759750}, - {16782348, 95812332}, - {16947143, 95889144}, - {17216400, 95999465}, - {17483123, 96091293}, - {17505554, 96098251}, - {17745178, 96165542}, - {18000671, 96223373}, - {18245880, 96265884}, - {18484039, 96295257}, - {18976715, 96319580}, - {31135131, 96319580}, - {31697082, 96287902}, - {31746368, 96282104}, - {32263000, 96190719}, - {32338623, 96172576}, - {32821411, 96026641}, - {32906188, 95995391}, - {33360565, 95797012}, - {33443420, 95754882}, - {33869171, 95505874}, - {33900756, 95485122}, - {34136413, 95318618}, - {34337127, 95159790}, - {34377288, 95125930}, - {34619628, 94905410}, - {34756286, 94767364}, - {34859008, 94656143}, - {35090606, 94378067}, - {35120849, 94338546}, - {35309295, 94072113}, - {35434875, 93871475}, - {35510070, 93740310}, - {35688232, 93385772}, - {35699096, 93361679}, - {35839782, 93012557}, - {35905487, 92817459}, - {35961578, 92625488}, - {36048004, 92249023}, - {36051574, 92229934}, - {36108856, 91831405}, - {36122985, 91667816}, - {36133789, 91435317}, - {36129669, 91085830}, - {36127685, 91046661}, - {36092742, 90669830}, - {36069946, 90514739}, - {36031829, 90308425}, - {35948211, 89965225}, - {34482635, 84756820}, - {27911407, 61403976}, - {-5872558, -58657440}, - {-14243621, -88406509}, - {-14576812, -89590599}, - {-15421997, -92594200}, - {-15657684, -93431732}, - {-16038940, -93720520}, - {-16420196, -94009307}, - {-17182708, -94586875}, - {-18834838, -95838272}, - {-19470275, -96319580}, - {-21368133, -96319580}, - {-22763854, -96319534}, - {-29742462, -96319274}, - {-32533935, -96319168}, - {-36133789, -54619018}, - {-36133789, -46431022}, - }, - { - {-26000000, 25500000}, - {-6500000, 45000000}, - {17499998, 45000000}, - {23966310, 38533699}, - {26000000, 36500000}, - {26000000, -19000000}, - {25950000, -24500000}, - {17000000, -42214698}, - {14300000, -45000000}, - {-14299999, -45000000}, - {-17500000, -41714698}, - {-23400001, -24500000}, - {-26000000, -10464000}, - {-26000000, 25500000}, - }, - { - {-26000000, 16636100}, - {-25072200, 18777799}, - {-16500000, 35299999}, - {-15050000, 36750000}, - {13550000, 36750000}, - {15000000, 35299999}, - {26000000, 16045200}, - {26000000, -2750000}, - {16500000, -34507900}, - {14840600, -36167301}, - {14257900, -36750000}, - {-14257900, -36750000}, - {-16500000, -34507900}, - {-26000000, -2750000}, - {-26000000, 16636100}, - }, - { - {-18062349, 18950099}, - {4644938, 20049900}, - {6230361, 20049900}, - {7803279, 19851200}, - {9338899, 19456899}, - {10812990, 18873300}, - {12202310, 18109500}, - {13484951, 17177600}, - {14640670, 16092300}, - {15651250, 14870700}, - {16500749, 13532100}, - {17175849, 12097599}, - {17665750, 10589700}, - {17962850, 9032400}, - {18062349, 7450099}, - {17962850, 5867799}, - {15810750, -11007740}, - {15683750, -11727769}, - {15506849, -12437200}, - {15280929, -13132559}, - {15007040, -13810470}, - {14686531, -14467609}, - {14320949, -15100799}, - {13912099, -15706950}, - {13461959, -16283100}, - {12972730, -16826450}, - {12446790, -17334339}, - {11886699, -17804309}, - {11295190, -18234069}, - {10675149, -18621520}, - {10029590, -18964771}, - {9361650, -19262149}, - {8674600, -19512220}, - {7971780, -19713699}, - {7256609, -19865798}, - {6532589, -19967498}, - {5803222, -20018501}, - {5437650, -20024900}, - {-1062349, -20049900}, - {-16562349, -20049900}, - {-18062349, -18549900}, - {-18062349, 18950099}, - }, - { - {-18062349, 41299900}, - {-1062349, 41299900}, - {15280929, -8117440}, - {15506849, -8812799}, - {15683750, -9522230}, - {15810750, -10242259}, - {17962850, -27117799}, - {18062349, -28700099}, - {17962850, -30282400}, - {17665750, -31839700}, - {17175849, -33347599}, - {16500749, -34782100}, - {15651250, -36120700}, - {14640670, -37342300}, - {13484951, -38427600}, - {12202310, -39359500}, - {10812990, -40123298}, - {9338899, -40706901}, - {7803279, -41101200}, - {6230361, -41299900}, - {4644938, -41299900}, - {-18062349, -40200099}, - {-18062349, 41299900}, - }, - { - {-11750000, 13057900}, - {-9807860, 15000000}, - {4392139, 24000000}, - {11750000, 24000000}, - {11750000, -24000000}, - {4392139, -24000000}, - {-9807860, -15000000}, - {-11750000, -13057900}, - {-11750000, 13057900}, - }, - { - {-12500000, 17500000}, - {12500000, 17500000}, - {12500000, -17500000}, - {-12500000, -17500000}, - {-12500000, 17500000}, - }, - { - {-23500000, 11500000}, - {-13857859, 21000000}, - {-11000000, 21000000}, - {18500000, 500000}, - {23500000, -4500000}, - {23500000, -19500000}, - {22000000, -21000000}, - {-23500000, -21000000}, - {-23500000, 11500000}, - }, - { - {-13000000, 5250000}, - {-4000000, 6750000}, - {4000000, 6750000}, - {13000000, 5250000}, - {13000000, 838459}, - {11376299, -1973939}, - {10350899, -3750000}, - {8618800, -6750000}, - {-8498290, -6750000}, - {-13000000, 1047180}, - {-13000000, 5250000}, - }, - { - {-25000000, 50500000}, - {-21500000, 54000000}, - {18286800, 54000000}, - {25000000, 47286800}, - {25000000, -47286800}, - {18286800, -54000000}, - {-21500000, -54000000}, - {-25000000, -50500000}, - {-25000000, 50500000}, - }, - { - {-19000000, 46000000}, - {-16799999, 46000000}, - {14000000, 34000000}, - {19000000, 29000000}, - {19000000, -29000000}, - {14000000, -34000000}, - {-16799999, -46000000}, - {-19000000, -46000000}, - {-19000000, 46000000}, - }, - { - {-7956170, 836226}, - {-7825180, 1663290}, - {-7767529, 1914530}, - {-7608449, 2472140}, - {-7308360, 3253890}, - {-7083650, 3717780}, - {-6928199, 4000000}, - {-6472139, 4702280}, - {-5988090, 5304979}, - {-5945159, 5353040}, - {-5353040, 5945159}, - {-4702280, 6472139}, - {-4544519, 6583869}, - {-4000000, 6928199}, - {-3253890, 7308360}, - {-2836839, 7480130}, - {-2472140, 7608449}, - {-1663290, 7825180}, - {-964293, 7941669}, - {-836226, 7956170}, - {0, 8000000}, - {836226, 7956170}, - {964293, 7941669}, - {1663290, 7825180}, - {2472140, 7608449}, - {2836839, 7480130}, - {3253890, 7308360}, - {4000000, 6928199}, - {4544519, 6583869}, - {4702280, 6472139}, - {5353040, 5945159}, - {5945159, 5353040}, - {5988090, 5304979}, - {6472139, 4702280}, - {6928199, 4000000}, - {7083650, 3717780}, - {7308360, 3253890}, - {7608449, 2472140}, - {7767529, 1914530}, - {7825180, 1663290}, - {7956170, 836226}, - {8000000, 0}, - {7956170, -836226}, - {7825180, -1663290}, - {7767529, -1914530}, - {7608449, -2472140}, - {7308360, -3253890}, - {7083650, -3717780}, - {6928199, -4000000}, - {6472139, -4702280}, - {5988090, -5304979}, - {5945159, -5353040}, - {5353040, -5945159}, - {4702280, -6472139}, - {4544519, -6583869}, - {4000000, -6928199}, - {3253890, -7308360}, - {2836839, -7480130}, - {2472140, -7608449}, - {1663290, -7825180}, - {964293, -7941669}, - {836226, -7956170}, - {0, -8000000}, - {-836226, -7956170}, - {-964293, -7941669}, - {-1663290, -7825180}, - {-2472140, -7608449}, - {-2836839, -7480130}, - {-3253890, -7308360}, - {-4000000, -6928199}, - {-4544519, -6583869}, - {-4702280, -6472139}, - {-5353040, -5945159}, - {-5945159, -5353040}, - {-5988090, -5304979}, - {-6472139, -4702280}, - {-6928199, -4000000}, - {-7083650, -3717780}, - {-7308360, -3253890}, - {-7608449, -2472140}, - {-7767529, -1914530}, - {-7825180, -1663290}, - {-7956170, -836226}, - {-8000000, 0}, - {-7956170, 836226}, - }, -}; - -const TestData STEGOSAUR_POLYGONS = -{ - { - {113210205, 107034095}, - {113561798, 109153793}, - {113750099, 109914001}, - {114396499, 111040199}, - {114599197, 111321998}, - {115570404, 112657096}, - {116920097, 114166595}, - {117630599, 114609390}, - {119703704, 115583900}, - {120559494, 115811996}, - {121045410, 115754493}, - {122698097, 115526496}, - {123373001, 115370193}, - {123482406, 115315689}, - {125664199, 114129798}, - {125920303, 113968193}, - {128551208, 111866195}, - {129075592, 111443199}, - {135044692, 106572608}, - {135254898, 106347694}, - {135415100, 106102897}, - {136121704, 103779891}, - {136325103, 103086303}, - {136690093, 101284896}, - {136798309, 97568496}, - {136798309, 97470397}, - {136787399, 97375297}, - {136753295, 97272102}, - {136687988, 97158699}, - {136539794, 96946899}, - {135526702, 95550994}, - {135388488, 95382293}, - {135272491, 95279098}, - {135214904, 95250595}, - {135122894, 95218002}, - {134966705, 95165191}, - {131753997, 94380798}, - {131226806, 94331001}, - {129603393, 94193893}, - {129224197, 94188003}, - {127874107, 94215103}, - {126812797, 94690200}, - {126558197, 94813896}, - {118361801, 99824195}, - {116550796, 101078796}, - {116189704, 101380493}, - {114634002, 103027999}, - {114118103, 103820297}, - {113399200, 105568000}, - {113201705, 106093597}, - {113210205, 107034095}, - }, - { - {77917999, 130563003}, - {77926300, 131300903}, - {77990196, 132392700}, - {78144195, 133328002}, - {78170593, 133427093}, - {78235900, 133657592}, - {78799598, 135466705}, - {78933296, 135832397}, - {79112899, 136247604}, - {79336303, 136670898}, - {79585197, 137080596}, - {79726303, 137309005}, - {79820297, 137431900}, - {79942199, 137549407}, - {90329193, 145990203}, - {90460197, 146094390}, - {90606399, 146184509}, - {90715194, 146230010}, - {90919601, 146267211}, - {142335296, 153077697}, - {143460296, 153153594}, - {143976593, 153182189}, - {145403991, 153148605}, - {145562301, 153131195}, - {145705993, 153102905}, - {145938796, 153053192}, - {146134094, 153010101}, - {146483184, 152920196}, - {146904693, 152806396}, - {147180099, 152670196}, - {147357788, 152581695}, - {147615295, 152423095}, - {147782287, 152294708}, - {149281799, 150908386}, - {149405303, 150784912}, - {166569305, 126952499}, - {166784301, 126638099}, - {166938491, 126393699}, - {167030899, 126245101}, - {167173004, 126015899}, - {167415298, 125607200}, - {167468292, 125504699}, - {167553100, 125320899}, - {167584594, 125250694}, - {167684997, 125004394}, - {167807098, 124672401}, - {167938995, 124255203}, - {168052307, 123694000}, - {170094100, 112846900}, - {170118408, 112684204}, - {172079101, 88437797}, - {172082000, 88294403}, - {171916290, 82827606}, - {171911590, 82705703}, - {171874893, 82641906}, - {169867004, 79529907}, - {155996795, 58147998}, - {155904998, 58066299}, - {155864791, 58054199}, - {134315704, 56830902}, - {134086486, 56817901}, - {98200096, 56817798}, - {97838195, 56818599}, - {79401695, 56865097}, - {79291297, 56865501}, - {79180694, 56869499}, - {79058799, 56885097}, - {78937301, 56965301}, - {78324691, 57374599}, - {77932998, 57638401}, - {77917999, 57764297}, - {77917999, 130563003}, - }, - { - {75566848, 109289947}, - {75592651, 109421951}, - {75644248, 109534446}, - {95210548, 141223846}, - {95262649, 141307449}, - {95487854, 141401443}, - {95910850, 141511642}, - {96105651, 141550338}, - {106015045, 142803451}, - {106142852, 142815155}, - {166897460, 139500244}, - {167019348, 139484741}, - {168008239, 138823043}, - {168137542, 138735153}, - {168156250, 138616851}, - {173160751, 98882049}, - {174381546, 87916046}, - {174412246, 87579048}, - {174429443, 86988746}, - {174436141, 86297348}, - {174438949, 84912048}, - {174262939, 80999145}, - {174172546, 80477546}, - {173847549, 79140846}, - {173623840, 78294349}, - {173120239, 76485046}, - {173067138, 76300544}, - {173017852, 76137542}, - {172941543, 75903045}, - {172892547, 75753143}, - {172813537, 75533348}, - {172758453, 75387046}, - {172307556, 74196746}, - {171926544, 73192848}, - {171891448, 73100448}, - {171672546, 72524147}, - {171502441, 72085144}, - {171414459, 71859146}, - {171294250, 71552352}, - {171080139, 71019744}, - {171039245, 70928146}, - {170970550, 70813346}, - {170904235, 70704040}, - {170786254, 70524353}, - {168063247, 67259048}, - {167989547, 67184844}, - {83427947, 67184844}, - {78360847, 67201248}, - {78238845, 67220550}, - {78151550, 67350547}, - {77574554, 68220550}, - {77494949, 68342651}, - {77479949, 68464546}, - {75648345, 106513351}, - {75561050, 109165740}, - {75566848, 109289947}, - }, - { - {75619415, 108041595}, - {83609863, 134885772}, - {83806945, 135450820}, - {83943908, 135727371}, - {84799934, 137289794}, - {86547897, 140033782}, - {86674118, 140192962}, - {86810661, 140364715}, - {87045211, 140619918}, - {88187042, 141853240}, - {93924575, 147393783}, - {94058013, 147454803}, - {111640083, 153754562}, - {111762550, 153787933}, - {111975250, 153835311}, - {112127426, 153842803}, - {116797996, 154005157}, - {116969688, 154010681}, - {117141731, 154005935}, - {117333145, 153988037}, - {118007507, 153919952}, - {118159675, 153902130}, - {118931480, 153771942}, - {120878150, 153379089}, - {121172164, 153319259}, - {122074508, 153034362}, - {122260681, 152970367}, - {122313438, 152949584}, - {130755096, 149423736}, - {130996063, 149316818}, - {138893524, 144469665}, - {138896423, 144466918}, - {169883666, 97686134}, - {170115036, 96518981}, - {170144317, 96365257}, - {174395645, 67672065}, - {174396560, 67664222}, - {174288452, 66839241}, - {174170364, 66096923}, - {174112731, 65952033}, - {174021377, 65823486}, - {173948608, 65743225}, - {173863830, 65654769}, - {170408340, 63627494}, - {170004867, 63394714}, - {169585632, 63194389}, - {169441162, 63137046}, - {168944274, 62952133}, - {160605072, 60214218}, - {160331573, 60126396}, - {159674743, 59916877}, - {150337249, 56943778}, - {150267730, 56922073}, - {150080139, 56864868}, - {149435333, 56676422}, - {149310241, 56640579}, - {148055419, 56285041}, - {147828796, 56230949}, - {147598205, 56181800}, - {147149963, 56093917}, - {146834457, 56044700}, - {146727966, 56028717}, - {146519729, 56004882}, - {146328521, 55989326}, - {146170684, 55990036}, - {146151321, 55990745}, - {145800170, 56003616}, - {145639526, 56017753}, - {145599426, 56022491}, - {145481338, 56039184}, - {145389556, 56052757}, - {145325134, 56062591}, - {145176574, 56086135}, - {145017272, 56113922}, - {107163085, 63504539}, - {101013870, 65454101}, - {100921798, 65535285}, - {95362182, 74174079}, - {75652366, 107803443}, - {75635391, 107834983}, - {75628814, 107853294}, - {75603431, 107933692}, - {75619415, 108041595}, - }, - { - {83617141, 120264900}, - {84617370, 126416427}, - {84648635, 126601341}, - {84693695, 126816085}, - {84762496, 127082641}, - {84772140, 127117034}, - {84860748, 127391693}, - {84927398, 127550239}, - {85072967, 127789642}, - {85155151, 127908851}, - {86745422, 130042907}, - {86982666, 130317489}, - {89975143, 133230743}, - {90091384, 133338500}, - {96260833, 138719818}, - {96713928, 139103668}, - {98139297, 140307388}, - {102104766, 143511505}, - {102142089, 143536468}, - {102457626, 143735107}, - {103386764, 144312988}, - {103845001, 144579177}, - {104139175, 144737136}, - {104551254, 144932250}, - {104690155, 144985778}, - {104844238, 145010009}, - {105020034, 145010375}, - {128999633, 144082305}, - {129096542, 144076141}, - {133932327, 143370178}, - {134130615, 143326751}, - {134281250, 143289520}, - {135247116, 142993438}, - {150774948, 137828704}, - {150893478, 137786178}, - {151350921, 137608901}, - {159797760, 134318115}, - {159979827, 134244384}, - {159988128, 134240997}, - {160035186, 134221633}, - {160054962, 134211486}, - {160168762, 134132736}, - {160181228, 134121047}, - {160336425, 133961502}, - {160689147, 133564331}, - {161446258, 132710739}, - {163306427, 130611648}, - {164845474, 128873855}, - {165270233, 128393600}, - {165281478, 128380706}, - {165300598, 128358673}, - {165303497, 128355194}, - {166411590, 122772674}, - {166423767, 122708648}, - {164745605, 66237312}, - {164740341, 66193061}, - {164721755, 66082092}, - {164721160, 66078750}, - {164688476, 65914146}, - {164668426, 65859436}, - {164563110, 65765937}, - {164431152, 65715034}, - {163997619, 65550788}, - {163946426, 65531440}, - {162998107, 65173629}, - {162664978, 65049140}, - {162482696, 64991668}, - {162464660, 64989639}, - {148029083, 66896141}, - {147862396, 66932853}, - {130087829, 73341102}, - {129791564, 73469726}, - {100590927, 90307685}, - {100483535, 90373847}, - {100364990, 90458930}, - {96447448, 93276664}, - {95179656, 94189010}, - {93692718, 95260208}, - {87904327, 99430885}, - {87663711, 99606147}, - {87576202, 99683990}, - {87498199, 99801719}, - {85740264, 104173728}, - {85538925, 104710494}, - {84786132, 107265830}, - {84635955, 107801383}, - {84619506, 107868064}, - {84518463, 108287200}, - {84456848, 108613471}, - {84419158, 108826194}, - {84375244, 109093818}, - {84329818, 109435180}, - {84249862, 110179664}, - {84218429, 110572166}, - {83630020, 117995208}, - {83595535, 118787673}, - {83576217, 119290679}, - {83617141, 120264900}, - }, - { - {91735549, 117640846}, - {91748252, 117958145}, - {91823547, 118515449}, - {92088752, 119477249}, - {97995346, 140538452}, - {98031051, 140660446}, - {98154449, 141060241}, - {98179855, 141133758}, - {98217056, 141232849}, - {98217147, 141233047}, - {98269256, 141337051}, - {98298950, 141387954}, - {98337753, 141445755}, - {99455047, 142984451}, - {99656250, 143247344}, - {102567855, 146783752}, - {102685150, 146906845}, - {102828948, 147031250}, - {102972457, 147120452}, - 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{127028999, 74133148}, - {126870803, 74070953}, - {126442901, 73917648}, - {126432403, 73914955}, - {126326004, 73889846}, - {126262405, 73880645}, - {126128097, 73878456}, - {125998199, 73877655}, - {108701095, 74516647}, - {108644599, 74519348}, - {108495201, 74528953}, - {108311302, 74556457}, - {108252799, 74569458}, - {108079002, 74612152}, - {107981399, 74638954}, - {107921295, 74657951}, - {107862197, 74685951}, - {107601303, 74828948}, - {107546997, 74863449}, - {107192794, 75098846}, - {107131202, 75151153}, - {106260002, 76066146}, - {106195098, 76221145}, - {106168502, 76328453}, - {106144699, 76437454}, - {106124496, 76538452}, - {106103698, 76649650}, - {106084197, 76761650}, - {106066299, 76874450}, - {106049903, 76987457}, - {106034797, 77101150}, - {106020904, 77214950}, - {106008201, 77328948}, - {105996902, 77443145}, - {105986099, 77565849}, - {105977005, 77679649}, - {105969299, 77793151}, - {105963096, 77906349}, - {105958297, 78019149}, - {105955299, 78131454}, - {105954101, 78242950}, - {105954101, 131182754}, - }, - { - {91355499, 77889205}, - {114834197, 120804504}, - {114840301, 120815200}, - {124701507, 132324798}, - {124798805, 132436706}, - {124901504, 132548309}, - {125126602, 132788909}, - {125235000, 132901901}, - {125337707, 133005401}, - {125546302, 133184707}, - {125751602, 133358703}, - {126133300, 133673004}, - {126263900, 133775604}, - {126367401, 133855499}, - {126471908, 133935104}, - {126596008, 134027496}, - {127119308, 134397094}, - {127135101, 134408203}, - {127433609, 134614303}, - {127554107, 134695709}, - {128155395, 135070907}, - {128274505, 135141799}, - {129132003, 135573211}, - {129438003, 135713195}, - {129556106, 135767196}, - {131512695, 136648498}, - {132294509, 136966598}, - {132798400, 137158798}, - {133203796, 137294494}, - {133377410, 137350799}, - {133522399, 137396606}, - {133804397, 137480697}, - {134017807, 137542205}, - {134288696, 137618408}, - {134564208, 137680099}, - {134844696, 137740097}, - {135202606, 137807098}, - {135489105, 137849807}, - {135626800, 137864898}, - {135766906, 137878692}, - {135972808, 137895797}, - {136110107, 137905502}, - {136235000, 137913101}, - {136485809, 137907196}, - {139194305, 136979202}, - {140318298, 136536209}, - {140380004, 136505004}, - {140668197, 136340499}, - {140724304, 136298904}, - {140808197, 136228210}, - {140861801, 136180603}, - {140917404, 136129104}, - {140979202, 136045104}, - {141022903, 135984207}, - {147591094, 126486999}, - {147661315, 126356101}, - {147706100, 126261901}, - {147749099, 126166000}, - {147817108, 126007507}, - {147859100, 125908599}, - {153693206, 111901100}, - {153731109, 111807800}, - {153760894, 111698806}, - {158641998, 92419303}, - {158644500, 92263702}, - {158539703, 92013504}, - {158499603, 91918899}, - {158335510, 91626800}, - {158264007, 91516304}, - {158216308, 91449203}, - {158178314, 91397506}, - {158094299, 91283203}, - {157396408, 90368202}, - {157285491, 90224700}, - {157169906, 90079200}, - {157050003, 89931304}, - {156290603, 89006805}, - {156221099, 88922897}, - {156087707, 88771003}, - {155947906, 88620498}, - {155348602, 88004203}, - {155113204, 87772796}, - {154947296, 87609703}, - {154776306, 87448204}, - {154588806, 87284301}, - {153886306, 86716400}, - {153682403, 86560501}, - {152966705, 86032402}, - {152687805, 85828704}, - {152484313, 85683204}, - {152278808, 85539001}, - {150878204, 84561401}, - {150683013, 84426498}, - {150599395, 84372703}, - {150395599, 84243202}, - {149988906, 83989395}, - {149782897, 83864501}, - {149568908, 83739799}, - {148872100, 83365303}, - {148625396, 83242202}, - {128079010, 73079605}, - {127980506, 73031005}, - {126701103, 72407104}, - {126501701, 72312202}, - {126431503, 72280601}, - {126311706, 72230606}, - {126260101, 72210899}, - {126191902, 72187599}, - {126140106, 72170303}, - {126088203, 72155303}, - {126036102, 72142700}, - {125965904, 72126899}, - {125913009, 72116600}, - {125859603, 72108505}, - {125788101, 72100296}, - {125733505, 72094398}, - {125678100, 72090400}, - {125621398, 72088302}, - {125548805, 72087303}, - {125490707, 72086898}, - {125430908, 72088203}, - {125369804, 72091094}, - {125306900, 72095306}, - {125233505, 72100997}, - {125168609, 72106506}, - {125102203, 72113601}, - {125034103, 72122207}, - {124964309, 72132095}, - {124890701, 72143707}, - {124819305, 72155105}, - {91355499, 77889099}, - {91355499, 77889205}, - }, - { - {84531845, 127391708}, - {84916946, 130417510}, - {86133247, 131166900}, - {86338447, 131292892}, - {86748847, 131544799}, - {102193946, 136599502}, - {103090942, 136796798}, - {103247146, 136822509}, - {104083549, 136911499}, - {106119346, 137109802}, - {106265853, 137122207}, - {106480247, 137139205}, - {110257850, 137133605}, - {116917747, 136131408}, - {117054946, 136106704}, - {119043945, 135244293}, - {119249046, 135154708}, - {136220947, 126833007}, - {165896347, 91517105}, - {166032546, 91314697}, - {166055435, 91204902}, - {166056152, 91176803}, - {166047256, 91100006}, - {166039733, 91063705}, - {165814849, 90080802}, - {165736450, 89837707}, - {165677246, 89732101}, - {165676956, 89731803}, - {165560241, 89629302}, - {154419952, 82608505}, - {153822143, 82239700}, - {137942749, 74046104}, - {137095245, 73845504}, - {135751342, 73537704}, - {134225952, 73208602}, - {132484344, 72860801}, - {124730346, 73902000}, - {120736549, 74464401}, - {100401245, 78685401}, - {90574645, 90625701}, - {90475944, 90748809}, - {90430747, 90808700}, - {90321548, 90958305}, - {90254852, 91077903}, - {90165641, 91244003}, - {90134941, 91302398}, - {84474647, 103745697}, - {84328048, 104137901}, - {84288543, 104327606}, - {84038047, 106164604}, - {84013351, 106368698}, - {83943847, 110643203}, - {84531845, 127391708}, - }, -}; - -const TestDataEx PRINTER_PART_POLYGONS_EX = -{ - { - { - {533726562, 142141690}, - {532359712, 143386134}, - {530141290, 142155145}, - {528649729, 160091460}, - {533659500, 157607547}, - {538669739, 160091454}, - {537178168, 142155145}, - {534959534, 143386102}, - {533726562, 142141690}, - }, - { - }, - }, - { - { - {118305840, 11603332}, - {118311095, 26616786}, - {113311095, 26611146}, - {109311095, 29604752}, - {109300760, 44608489}, - {109311095, 49631801}, - {113300790, 52636806}, - {118311095, 52636806}, - {118308782, 103636810}, - {223830940, 103636981}, - {236845321, 90642174}, - {236832882, 11630488}, - {232825251, 11616786}, - {210149075, 11616786}, - {211308596, 13625149}, - {209315325, 17080886}, - {205326885, 17080886}, - {203334352, 13629720}, - {204493136, 11616786}, - {118305840, 11603332}, - }, - { - }, - }, - { - { - {365619370, 111280336}, - {365609100, 198818091}, - {387109100, 198804367}, - {387109100, 203279701}, - {471129120, 203279688}, - {471128689, 111283937}, - {365619370, 111280336}, - }, - { - }, - }, - { - { - {479997525, 19177632}, - {477473010, 21975778}, - {475272613, 21969219}, - {475267479, 32995796}, - {477026388, 32995796}, - {483041428, 22582411}, - {482560272, 20318630}, - {479997525, 19177632}, - }, - { - }, - }, - { - { - {476809080, 4972372}, - {475267479, 4975778}, - {475272613, 16002357}, - {481018177, 18281994}, - {482638044, 15466085}, - {476809080, 4972372}, - }, - { - }, - }, - { - { - {424866064, 10276075}, - {415113411, 10277960}, - {411723180, 13685293}, - {410473354, 18784347}, - {382490868, 18784008}, - {380996185, 17286945}, - {380996185, 11278161}, - {375976165, 11284347}, - {375976165, 56389754}, - {375169018, 57784347}, - {371996185, 57784347}, - {371996185, 53779177}, - {364976165, 53784347}, - {364969637, 56791976}, - {369214608, 61054367}, - {371474507, 61054367}, - {371473155, 98298160}, - {378476349, 105317193}, - {407491306, 105307497}, - {413509785, 99284903}, - {413496185, 48304367}, - {419496173, 48315719}, - {422501887, 45292801}, - {422500504, 39363184}, - {420425079, 37284347}, - {419476165, 43284347}, - {413496185, 43284347}, - {413497261, 30797428}, - {418986175, 25308513}, - {424005230, 25315076}, - {428496185, 20815924}, - {428512720, 13948847}, - {424866064, 10276075}, - }, - { - }, - }, - { - 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-#include -#include - -using TestData = std::vector; -using TestDataEx = std::vector; - -extern const TestData PRINTER_PART_POLYGONS; -extern const TestData STEGOSAUR_POLYGONS; -extern const TestDataEx PRINTER_PART_POLYGONS_EX; - -#endif // PRINTER_PARTS_H diff --git a/src/libnest2d/tests/test.cpp b/src/libnest2d/tests/test.cpp deleted file mode 100644 index 5ba28228a..000000000 --- a/src/libnest2d/tests/test.cpp +++ /dev/null @@ -1,1062 +0,0 @@ -#include -#include - -#include -#include "printer_parts.h" -//#include -#include "../tools/svgtools.hpp" -#include - -#if defined(_MSC_VER) && defined(__clang__) -#define BOOST_NO_CXX17_HDR_STRING_VIEW -#endif - -#include "boost/multiprecision/integer.hpp" -#include "boost/rational.hpp" - -//#include "../tools/libnfpglue.hpp" -//#include "../tools/nfp_svgnest_glue.hpp" - -namespace libnest2d { -#if !defined(_MSC_VER) && defined(__SIZEOF_INT128__) && !defined(__APPLE__) -using LargeInt = __int128; -#else -using LargeInt = boost::multiprecision::int128_t; -template<> struct _NumTag { using Type = ScalarTag; }; -#endif -template struct _NumTag> { using Type = RationalTag; }; - -namespace nfp { - -template -struct NfpImpl -{ - NfpResult operator()(const S &sh, const S &other) - { - return nfpConvexOnly>(sh, other); - } -}; - -} -} - -static std::vector& prusaParts() { - static std::vector ret; - - if(ret.empty()) { - ret.reserve(PRINTER_PART_POLYGONS.size()); - for(auto& inp : PRINTER_PART_POLYGONS) ret.emplace_back(inp); - } - - return ret; -} - -TEST(GeometryAlgorithms, Angles) -{ - - using namespace libnest2d; - - Degrees deg(180); - Radians rad(deg); - Degrees deg2(rad); - - ASSERT_DOUBLE_EQ(rad, Pi); - ASSERT_DOUBLE_EQ(deg, 180); - ASSERT_DOUBLE_EQ(deg2, 180); - ASSERT_DOUBLE_EQ(rad, Radians(deg)); - ASSERT_DOUBLE_EQ( Degrees(rad), deg); - - ASSERT_TRUE(rad == deg); - - Segment seg = {{0, 0}, {12, -10}}; - - ASSERT_TRUE(Degrees(seg.angleToXaxis()) > 270 && - Degrees(seg.angleToXaxis()) < 360); - - seg = {{0, 0}, {12, 10}}; - - ASSERT_TRUE(Degrees(seg.angleToXaxis()) > 0 && - Degrees(seg.angleToXaxis()) < 90); - - seg = {{0, 0}, {-12, 10}}; - - ASSERT_TRUE(Degrees(seg.angleToXaxis()) > 90 && - Degrees(seg.angleToXaxis()) < 180); - - seg = {{0, 0}, {-12, -10}}; - - ASSERT_TRUE(Degrees(seg.angleToXaxis()) > 180 && - Degrees(seg.angleToXaxis()) < 270); - - seg = {{0, 0}, {1, 0}}; - - ASSERT_DOUBLE_EQ(Degrees(seg.angleToXaxis()), 0); - - seg = {{0, 0}, {0, 1}}; - - ASSERT_DOUBLE_EQ(Degrees(seg.angleToXaxis()), 90); - - - seg = {{0, 0}, {-1, 0}}; - - ASSERT_DOUBLE_EQ(Degrees(seg.angleToXaxis()), 180); - - - seg = {{0, 0}, {0, -1}}; - - ASSERT_DOUBLE_EQ(Degrees(seg.angleToXaxis()), 270); - -} - -// Simple test, does not use gmock -TEST(Nesting, ItemCreationAndDestruction) -{ - using namespace libnest2d; - - Item sh = { {0, 0}, {1, 0}, {1, 1}, {0, 1} }; - - ASSERT_EQ(sh.vertexCount(), 4u); - - Item sh2 ({ {0, 0}, {1, 0}, {1, 1}, {0, 1} }); - - ASSERT_EQ(sh2.vertexCount(), 4u); - - // copy - Item sh3 = sh2; - - ASSERT_EQ(sh3.vertexCount(), 4u); - - sh2 = {}; - - ASSERT_EQ(sh2.vertexCount(), 0u); - ASSERT_EQ(sh3.vertexCount(), 4u); - -} - -TEST(GeometryAlgorithms, boundingCircle) { - using namespace libnest2d; - using placers::boundingCircle; - - PolygonImpl p = {{{0, 10}, {10, 0}, {0, -10}, {0, 10}}, {}}; - Circle c = boundingCircle(p); - - ASSERT_EQ(c.center().X, 0); - ASSERT_EQ(c.center().Y, 0); - ASSERT_DOUBLE_EQ(c.radius(), 10); - - shapelike::translate(p, PointImpl{10, 10}); - c = boundingCircle(p); - - ASSERT_EQ(c.center().X, 10); - ASSERT_EQ(c.center().Y, 10); - ASSERT_DOUBLE_EQ(c.radius(), 10); - - auto parts = prusaParts(); - - int i = 0; - for(auto& part : parts) { - c = boundingCircle(part.transformedShape()); - if(std::isnan(c.radius())) std::cout << "fail: radius is nan" << std::endl; - - else for(auto v : shapelike::contour(part.transformedShape()) ) { - auto d = pointlike::distance(v, c.center()); - if(d > c.radius() ) { - auto e = std::abs( 1.0 - d/c.radius()); - ASSERT_LE(e, 1e-3); - } - } - i++; - } - -} - -TEST(GeometryAlgorithms, Distance) { - using namespace libnest2d; - - Point p1 = {0, 0}; - - Point p2 = {10, 0}; - Point p3 = {10, 10}; - - ASSERT_DOUBLE_EQ(pointlike::distance(p1, p2), 10); - ASSERT_DOUBLE_EQ(pointlike::distance(p1, p3), sqrt(200)); - - Segment seg(p1, p3); - - // ASSERT_DOUBLE_EQ(pointlike::distance(p2, seg), 7.0710678118654755); - - auto result = pointlike::horizontalDistance(p2, seg); - - auto check = [](TCompute val, TCompute expected) { - if(std::is_floating_point>::value) - ASSERT_DOUBLE_EQ(static_cast(val), - static_cast(expected)); - else - ASSERT_EQ(val, expected); - }; - - ASSERT_TRUE(result.second); - check(result.first, 10); - - result = pointlike::verticalDistance(p2, seg); - ASSERT_TRUE(result.second); - check(result.first, -10); - - result = pointlike::verticalDistance(Point{10, 20}, seg); - ASSERT_TRUE(result.second); - check(result.first, 10); - - - Point p4 = {80, 0}; - Segment seg2 = { {0, 0}, {0, 40} }; - - result = pointlike::horizontalDistance(p4, seg2); - - ASSERT_TRUE(result.second); - check(result.first, 80); - - result = pointlike::verticalDistance(p4, seg2); - // Point should not be related to the segment - ASSERT_FALSE(result.second); - -} - -TEST(GeometryAlgorithms, Area) { - using namespace libnest2d; - - Rectangle rect(10, 10); - - ASSERT_EQ(rect.area(), 100); - - Rectangle rect2 = {100, 100}; - - ASSERT_EQ(rect2.area(), 10000); - - Item item = { - {61, 97}, - {70, 151}, - {176, 151}, - {189, 138}, - {189, 59}, - {70, 59}, - {61, 77}, - {61, 97} - }; - - ASSERT_TRUE(shapelike::area(item.transformedShape()) > 0 ); -} - -TEST(GeometryAlgorithms, IsPointInsidePolygon) { - using namespace libnest2d; - - Rectangle rect(10, 10); - - Point p = {1, 1}; - - ASSERT_TRUE(rect.isInside(p)); - - p = {11, 11}; - - ASSERT_FALSE(rect.isInside(p)); - - - p = {11, 12}; - - ASSERT_FALSE(rect.isInside(p)); - - - p = {3, 3}; - - ASSERT_TRUE(rect.isInside(p)); - -} - -//TEST(GeometryAlgorithms, Intersections) { -// using namespace binpack2d; - -// Rectangle rect(70, 30); - -// rect.translate({80, 60}); - -// Rectangle rect2(80, 60); -// rect2.translate({80, 0}); - -//// ASSERT_FALSE(Item::intersects(rect, rect2)); - -// Segment s1({0, 0}, {10, 10}); -// Segment s2({1, 1}, {11, 11}); -// ASSERT_FALSE(ShapeLike::intersects(s1, s1)); -// ASSERT_FALSE(ShapeLike::intersects(s1, s2)); -//} - -// Simple test, does not use gmock -TEST(GeometryAlgorithms, LeftAndDownPolygon) -{ - using namespace libnest2d; - using namespace libnest2d; - - Box bin(100, 100); - BottomLeftPlacer placer(bin); - - Item item = {{70, 75}, {88, 60}, {65, 50}, {60, 30}, {80, 20}, {42, 20}, - {35, 35}, {35, 55}, {40, 75}, {70, 75}}; - - Item leftControl = { {40, 75}, - {35, 55}, - {35, 35}, - {42, 20}, - {0, 20}, - {0, 75}, - {40, 75}}; - - Item downControl = {{88, 60}, - {88, 0}, - {35, 0}, - {35, 35}, - {42, 20}, - {80, 20}, - {60, 30}, - {65, 50}, - {88, 60}}; - - Item leftp(placer.leftPoly(item)); - - ASSERT_TRUE(shapelike::isValid(leftp.rawShape()).first); - ASSERT_EQ(leftp.vertexCount(), leftControl.vertexCount()); - - for(unsigned long i = 0; i < leftControl.vertexCount(); i++) { - ASSERT_EQ(getX(leftp.vertex(i)), getX(leftControl.vertex(i))); - ASSERT_EQ(getY(leftp.vertex(i)), getY(leftControl.vertex(i))); - } - - Item downp(placer.downPoly(item)); - - ASSERT_TRUE(shapelike::isValid(downp.rawShape()).first); - ASSERT_EQ(downp.vertexCount(), downControl.vertexCount()); - - for(unsigned long i = 0; i < downControl.vertexCount(); i++) { - ASSERT_EQ(getX(downp.vertex(i)), getX(downControl.vertex(i))); - ASSERT_EQ(getY(downp.vertex(i)), getY(downControl.vertex(i))); - } -} - -// Simple test, does not use gmock -TEST(GeometryAlgorithms, ArrangeRectanglesTight) -{ - using namespace libnest2d; - - std::vector rects = { - {80, 80}, - {60, 90}, - {70, 30}, - {80, 60}, - {60, 60}, - {60, 40}, - {40, 40}, - {10, 10}, - {10, 10}, - {10, 10}, - {10, 10}, - {10, 10}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {20, 20} }; - - Box bin(210, 250, {105, 125}); - - ASSERT_EQ(bin.width(), 210); - ASSERT_EQ(bin.height(), 250); - ASSERT_EQ(getX(bin.center()), 105); - ASSERT_EQ(getY(bin.center()), 125); - - _Nester arrange(bin); - - arrange.execute(rects.begin(), rects.end()); - - auto max_group = std::max_element(rects.begin(), rects.end(), - [](const Item &i1, const Item &i2) { - return i1.binId() < i2.binId(); - }); - - int groups = max_group == rects.end() ? 0 : max_group->binId() + 1; - - ASSERT_EQ(groups, 1u); - ASSERT_TRUE( - std::all_of(rects.begin(), rects.end(), [](const Rectangle &itm) { - return itm.binId() != BIN_ID_UNSET; - })); - - // check for no intersections, no containment: - - bool valid = true; - for(Item& r1 : rects) { - for(Item& r2 : rects) { - if(&r1 != &r2 ) { - valid = !Item::intersects(r1, r2) || Item::touches(r1, r2); - ASSERT_TRUE(valid); - valid = (valid && !r1.isInside(r2) && !r2.isInside(r1)); - ASSERT_TRUE(valid); - } - } - } -} - -TEST(GeometryAlgorithms, ArrangeRectanglesLoose) -{ - using namespace libnest2d; - - // std::vector rects = { {40, 40}, {10, 10}, {20, 20} }; - std::vector rects = { - {80, 80}, - {60, 90}, - {70, 30}, - {80, 60}, - {60, 60}, - {60, 40}, - {40, 40}, - {10, 10}, - {10, 10}, - {10, 10}, - {10, 10}, - {10, 10}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {5, 5}, - {20, 20} }; - - Box bin(210, 250, {105, 125}); - - ASSERT_EQ(bin.width(), 210); - ASSERT_EQ(bin.height(), 250); - ASSERT_EQ(getX(bin.center()), 105); - ASSERT_EQ(getY(bin.center()), 125); - - Coord min_obj_distance = 5; - - _Nester arrange(bin, min_obj_distance); - - arrange.execute(rects.begin(), rects.end()); - - auto max_group = std::max_element(rects.begin(), rects.end(), - [](const Item &i1, const Item &i2) { - return i1.binId() < i2.binId(); - }); - - size_t groups = max_group == rects.end() ? 0 : max_group->binId() + 1; - - ASSERT_EQ(groups, 1u); - ASSERT_TRUE( - std::all_of(rects.begin(), rects.end(), [](const Rectangle &itm) { - return itm.binId() != BIN_ID_UNSET; - })); - - // check for no intersections, no containment: - bool valid = true; - for(Item& r1 : rects) { - for(Item& r2 : rects) { - if(&r1 != &r2 ) { - valid = !Item::intersects(r1, r2); - valid = (valid && !r1.isInside(r2) && !r2.isInside(r1)); - ASSERT_TRUE(valid); - } - } - } - -} - -namespace { -using namespace libnest2d; - -template -void exportSVG(std::vector>& result, const Bin& bin, int idx = 0) { - - - std::string loc = "out"; - - static std::string svg_header = - R"raw( - - -)raw"; - - int i = idx; - auto r = result; - // for(auto r : result) { - std::fstream out(loc + std::to_string(i) + ".svg", std::fstream::out); - if(out.is_open()) { - out << svg_header; - Item rbin( Rectangle(bin.width(), bin.height()) ); - for(unsigned i = 0; i < rbin.vertexCount(); i++) { - auto v = rbin.vertex(i); - setY(v, -getY(v)/SCALE + 500 ); - setX(v, getX(v)/SCALE); - rbin.setVertex(i, v); - } - out << shapelike::serialize(rbin.rawShape()) << std::endl; - for(Item& sh : r) { - Item tsh(sh.transformedShape()); - for(unsigned i = 0; i < tsh.vertexCount(); i++) { - auto v = tsh.vertex(i); - setY(v, -getY(v)/SCALE + 500); - setX(v, getX(v)/SCALE); - tsh.setVertex(i, v); - } - out << shapelike::serialize(tsh.rawShape()) << std::endl; - } - out << "\n" << std::endl; - } - out.close(); - - // i++; - // } -} -} - -TEST(GeometryAlgorithms, BottomLeftStressTest) { - using namespace libnest2d; - - const Coord SCALE = 1000000; - auto& input = prusaParts(); - - Box bin(210*SCALE, 250*SCALE); - BottomLeftPlacer placer(bin); - - auto it = input.begin(); - auto next = it; - int i = 0; - while(it != input.end() && ++next != input.end()) { - placer.pack(*it); - placer.pack(*next); - - auto result = placer.getItems(); - bool valid = true; - - if(result.size() == 2) { - Item& r1 = result[0]; - Item& r2 = result[1]; - valid = !Item::intersects(r1, r2) || Item::touches(r1, r2); - valid = (valid && !r1.isInside(r2) && !r2.isInside(r1)); - if(!valid) { - std::cout << "error index: " << i << std::endl; - exportSVG(result, bin, i); - } - ASSERT_TRUE(valid); - } else { - std::cout << "something went terribly wrong!" << std::endl; - FAIL(); - } - - placer.clearItems(); - it++; - i++; - } -} - -TEST(GeometryAlgorithms, convexHull) { - using namespace libnest2d; - - ClipperLib::Path poly = PRINTER_PART_POLYGONS[0]; - - auto chull = sl::convexHull(poly); - - ASSERT_EQ(chull.size(), poly.size()); -} - - -TEST(Nesting, NestPrusaPartsShouldFitIntoTwoBins) { - - // Get the input items and define the bin. - std::vector input = prusaParts(); - auto bin = Box(250000000, 210000000); - - // Do the nesting. Check in each step if the remaining items are less than - // in the previous step. (Some algorithms can place more items in one step) - size_t pcount = input.size(); - libnest2d::nest(input, bin, [&pcount](unsigned cnt) { - ASSERT_TRUE(cnt < pcount); - pcount = cnt; - }); - - // Get the number of logical bins: search for the max binId... - auto max_binid_it = std::max_element(input.begin(), input.end(), - [](const Item &i1, const Item &i2) { - return i1.binId() < i2.binId(); - }); - - auto bins = size_t(max_binid_it == input.end() ? 0 : - max_binid_it->binId() + 1); - - // For prusa parts, 2 bins should be enough... - ASSERT_LE(bins, 2u); - - // All parts should be processed by the algorithm - ASSERT_TRUE( - std::all_of(input.begin(), input.end(), [](const Item &itm) { - return itm.binId() != BIN_ID_UNSET; - })); - - // Gather the items into piles of arranged polygons... - using Pile = TMultiShape; - std::vector piles(bins); - - for (auto &itm : input) - piles[size_t(itm.binId())].emplace_back(itm.transformedShape()); - - // Now check all the piles, the bounding box of each pile should be inside - // the defined bin. - for (auto &pile : piles) { - auto bb = sl::boundingBox(pile); - ASSERT_TRUE(sl::isInside(bb, bin)); - } -} - -TEST(Nesting, NestEmptyItemShouldBeUntouched) { - auto bin = Box(250000000, 210000000); // dummy bin - - std::vector items; - items.emplace_back(Item{}); // Emplace empty item - items.emplace_back(Item{0, 200, 0}); // Emplace zero area item - - libnest2d::nest(items, bin); - - for (auto &itm : items) ASSERT_EQ(itm.binId(), BIN_ID_UNSET); -} - -TEST(Nesting, NestLargeItemShouldBeUntouched) { - auto bin = Box(250000000, 210000000); // dummy bin - - std::vector items; - items.emplace_back(Rectangle{250000001, 210000001}); // Emplace large item - - libnest2d::nest(items, bin); - - ASSERT_EQ(items.front().binId(), BIN_ID_UNSET); -} - -namespace { - -struct ItemPair { - Item orbiter; - Item stationary; -}; - -std::vector nfp_testdata = { - { - { - {80, 50}, - {100, 70}, - {120, 50}, - {80, 50} - }, - { - {10, 10}, - {10, 40}, - {40, 40}, - {40, 10}, - {10, 10} - } - }, - { - { - {80, 50}, - {60, 70}, - {80, 90}, - {120, 90}, - {140, 70}, - {120, 50}, - {80, 50} - }, - { - {10, 10}, - {10, 40}, - {40, 40}, - {40, 10}, - {10, 10} - } - }, - { - { - {40, 10}, - {30, 10}, - {20, 20}, - {20, 30}, - {30, 40}, - {40, 40}, - {50, 30}, - {50, 20}, - {40, 10} - }, - { - {80, 0}, - {80, 30}, - {110, 30}, - {110, 0}, - {80, 0} - } - }, - { - { - {117, 107}, - {118, 109}, - {120, 112}, - {122, 113}, - {128, 113}, - {130, 112}, - {132, 109}, - {133, 107}, - {133, 103}, - {132, 101}, - {130, 98}, - {128, 97}, - {122, 97}, - {120, 98}, - {118, 101}, - {117, 103}, - {117, 107} - }, - { - {102, 116}, - {111, 126}, - {114, 126}, - {144, 106}, - {148, 100}, - {148, 85}, - {147, 84}, - {102, 84}, - {102, 116}, - } - }, - { - { - {99, 122}, - {108, 140}, - {110, 142}, - {139, 142}, - {151, 122}, - {151, 102}, - {142, 70}, - {139, 68}, - {111, 68}, - {108, 70}, - {99, 102}, - {99, 122}, - }, - { - {107, 124}, - {128, 125}, - {133, 125}, - {136, 124}, - {140, 121}, - {142, 119}, - {143, 116}, - {143, 109}, - {141, 93}, - {139, 89}, - {136, 86}, - {134, 85}, - {108, 85}, - {107, 86}, - {107, 124}, - } - }, - { - { - {91, 100}, - {94, 144}, - {117, 153}, - {118, 153}, - {159, 112}, - {159, 110}, - {156, 66}, - {133, 57}, - {132, 57}, - {91, 98}, - {91, 100}, - }, - { - {101, 90}, - {103, 98}, - {107, 113}, - {114, 125}, - {115, 126}, - {135, 126}, - {136, 125}, - {144, 114}, - {149, 90}, - {149, 89}, - {148, 87}, - {145, 84}, - {105, 84}, - {102, 87}, - {101, 89}, - {101, 90}, - } - } -}; - - std::vector nfp_concave_testdata = { - { // ItemPair - { - { - {533726, 142141}, - {532359, 143386}, - {530141, 142155}, - {528649, 160091}, - {533659, 157607}, - {538669, 160091}, - {537178, 142155}, - {534959, 143386}, - {533726, 142141}, - } - }, - { - { - {118305, 11603}, - {118311, 26616}, - {113311, 26611}, - {109311, 29604}, - {109300, 44608}, - {109311, 49631}, - {113300, 52636}, - {118311, 52636}, - {118308, 103636}, - {223830, 103636}, - {236845, 90642}, - {236832, 11630}, - {232825, 11616}, - {210149, 11616}, - {211308, 13625}, - {209315, 17080}, - {205326, 17080}, - {203334, 13629}, - {204493, 11616}, - {118305, 11603}, - } - }, - } -}; - -template -void testNfp(const std::vector& testdata) { - using namespace libnest2d; - - Box bin(210*SCALE, 250*SCALE); - - int testcase = 0; - - auto& exportfun = exportSVG; - - auto onetest = [&](Item& orbiter, Item& stationary, unsigned /*testidx*/){ - testcase++; - - orbiter.translate({210*SCALE, 0}); - - auto&& nfp = nfp::noFitPolygon(stationary.rawShape(), - orbiter.transformedShape()); - - placers::correctNfpPosition(nfp, stationary, orbiter); - - auto valid = shapelike::isValid(nfp.first); - - /*Item infp(nfp.first); - if(!valid.first) { - std::cout << "test instance: " << testidx << " " - << valid.second << std::endl; - std::vector> inp = {std::ref(infp)}; - exportfun(inp, bin, testidx); - }*/ - - ASSERT_TRUE(valid.first); - - Item infp(nfp.first); - - int i = 0; - auto rorbiter = orbiter.transformedShape(); - auto vo = nfp::referenceVertex(rorbiter); - - ASSERT_TRUE(stationary.isInside(infp)); - - for(auto v : infp) { - auto dx = getX(v) - getX(vo); - auto dy = getY(v) - getY(vo); - - Item tmp = orbiter; - - tmp.translate({dx, dy}); - - bool touching = Item::touches(tmp, stationary); - - if(!touching || !valid.first) { - std::vector> inp = { - std::ref(stationary), std::ref(tmp), std::ref(infp) - }; - - exportfun(inp, bin, testcase*i++); - } - - ASSERT_TRUE(touching); - } - }; - - unsigned tidx = 0; - for(auto& td : testdata) { - auto orbiter = td.orbiter; - auto stationary = td.stationary; - onetest(orbiter, stationary, tidx++); - } - - tidx = 0; - for(auto& td : testdata) { - auto orbiter = td.stationary; - auto stationary = td.orbiter; - onetest(orbiter, stationary, tidx++); - } -} -} - -TEST(GeometryAlgorithms, nfpConvexConvex) { - testNfp(nfp_testdata); -} - -//TEST(GeometryAlgorithms, nfpConcaveConcave) { -// testNfp(nfp_concave_testdata); -//} - -TEST(GeometryAlgorithms, pointOnPolygonContour) { - using namespace libnest2d; - - Rectangle input(10, 10); - - placers::EdgeCache ecache(input); - - auto first = *input.begin(); - ASSERT_TRUE(getX(first) == getX(ecache.coords(0))); - ASSERT_TRUE(getY(first) == getY(ecache.coords(0))); - - auto last = *std::prev(input.end()); - ASSERT_TRUE(getX(last) == getX(ecache.coords(1.0))); - ASSERT_TRUE(getY(last) == getY(ecache.coords(1.0))); - - for(int i = 0; i <= 100; i++) { - auto v = ecache.coords(i*(0.01)); - ASSERT_TRUE(shapelike::touches(v, input.transformedShape())); - } -} - -TEST(GeometryAlgorithms, mergePileWithPolygon) { - using namespace libnest2d; - - Rectangle rect1(10, 15); - Rectangle rect2(15, 15); - Rectangle rect3(20, 15); - - rect2.translate({10, 0}); - rect3.translate({25, 0}); - - TMultiShape pile; - pile.push_back(rect1.transformedShape()); - pile.push_back(rect2.transformedShape()); - - auto result = nfp::merge(pile, rect3.transformedShape()); - - ASSERT_EQ(result.size(), 1); - - Rectangle ref(45, 15); - - ASSERT_EQ(shapelike::area(result.front()), ref.area()); -} - -namespace { - -long double refMinAreaBox(const PolygonImpl& p) { - - auto it = sl::cbegin(p), itx = std::next(it); - - long double min_area = std::numeric_limits::max(); - - - auto update_min = [&min_area, &it, &itx, &p]() { - Segment s(*it, *itx); - - PolygonImpl rotated = p; - sl::rotate(rotated, -s.angleToXaxis()); - auto bb = sl::boundingBox(rotated); - auto area = cast(sl::area(bb)); - if(min_area > area) min_area = area; - }; - - while(itx != sl::cend(p)) { - update_min(); - ++it; ++itx; - } - - it = std::prev(sl::cend(p)); itx = sl::cbegin(p); - update_min(); - - return min_area; -} - -template struct BoostGCD { - T operator()(const T &a, const T &b) { return boost::gcd(a, b); } -}; - -using Unit = int64_t; -using Ratio = boost::rational; - -} - -//TEST(GeometryAlgorithms, MinAreaBBCClk) { -// auto u = [](ClipperLib::cInt n) { return n*1000000; }; -// PolygonImpl poly({ {u(0), u(0)}, {u(4), u(1)}, {u(2), u(4)}}); - -// long double arearef = refMinAreaBox(poly); -// long double area = minAreaBoundingBox(poly).area(); - -// ASSERT_LE(std::abs(area - arearef), 500e6 ); -//} - -TEST(GeometryAlgorithms, MinAreaBBWithRotatingCalipers) { - long double err_epsilon = 500e6l; - - for(ClipperLib::Path rinput : PRINTER_PART_POLYGONS) { - PolygonImpl poly(rinput); - - long double arearef = refMinAreaBox(poly); - auto bb = minAreaBoundingBox(rinput); - long double area = cast(bb.area()); - - bool succ = std::abs(arearef - area) < err_epsilon; - - ASSERT_TRUE(succ); - } - - for(ClipperLib::Path rinput : STEGOSAUR_POLYGONS) { - rinput.pop_back(); - std::reverse(rinput.begin(), rinput.end()); - - PolygonImpl poly(removeCollinearPoints(rinput, 1000000)); - - long double arearef = refMinAreaBox(poly); - auto bb = minAreaBoundingBox(poly); - long double area = cast(bb.area()); - - - bool succ = std::abs(arearef - area) < err_epsilon; - - ASSERT_TRUE(succ); - } -} - -int main(int argc, char **argv) { - ::testing::InitGoogleTest(&argc, argv); - return RUN_ALL_TESTS(); -} diff --git a/src/libslic3r/CMakeLists.txt b/src/libslic3r/CMakeLists.txt index 633549b42..cbaa24e9c 100644 --- a/src/libslic3r/CMakeLists.txt +++ b/src/libslic3r/CMakeLists.txt @@ -204,7 +204,7 @@ if (SLIC3R_PCH AND NOT SLIC3R_SYNTAXONLY) add_precompiled_header(libslic3r pchheader.hpp FORCEINCLUDE) endif () -target_compile_definitions(libslic3r PUBLIC -DUSE_TBB) +target_compile_definitions(libslic3r PUBLIC -DUSE_TBB -DTBB_USE_CAPTURED_EXCEPTION=0) target_include_directories(libslic3r PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${LIBNEST2D_INCLUDES} PUBLIC ${CMAKE_CURRENT_BINARY_DIR}) target_link_libraries(libslic3r libnest2d @@ -221,7 +221,7 @@ target_link_libraries(libslic3r poly2tri qhull semver - tbb + TBB::tbb ${CMAKE_DL_LIBS} ) diff --git a/src/libslic3r/Time.cpp b/src/libslic3r/Time.cpp index 063dbb41c..8faa14ade 100644 --- a/src/libslic3r/Time.cpp +++ b/src/libslic3r/Time.cpp @@ -11,7 +11,7 @@ #include #endif -#include "libslic3r/Utils.hpp" +// #include "libslic3r/Utils.hpp" namespace Slic3r { namespace Utils { diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt index e2eaebfb8..d22c81f2f 100644 --- a/tests/CMakeLists.txt +++ b/tests/CMakeLists.txt @@ -10,23 +10,14 @@ target_include_directories(Catch2 INTERFACE ${CMAKE_CURRENT_LIST_DIR}) add_library(Catch2::Catch2 ALIAS Catch2) include(Catch) -add_library(test_catch2_common INTERFACE) -target_compile_definitions(test_catch2_common INTERFACE TEST_DATA_DIR=R"\(${TEST_DATA_DIR}\)" CATCH_CONFIG_FAST_COMPILE) -target_link_libraries(test_catch2_common INTERFACE Catch2::Catch2) - add_library(test_common INTERFACE) +target_compile_definitions(test_common INTERFACE TEST_DATA_DIR=R"\(${TEST_DATA_DIR}\)" CATCH_CONFIG_FAST_COMPILE) +target_link_libraries(test_common INTERFACE Catch2::Catch2) + if (APPLE) target_link_libraries(test_common INTERFACE "-liconv -framework IOKit" "-framework CoreFoundation" -lc++) endif() -target_link_libraries(test_common INTERFACE test_catch2_common) - -# DEPRECATED: -#find_package(GTest REQUIRED) -#add_library(test_gtest_common INTERFACE) -#target_compile_definitions(test_gtest_common INTERFACE TEST_DATA_DIR=R"\(${TEST_DATA_DIR}\)") -#target_link_libraries(test_gtest_common INTERFACE GTest::GTest GTest::Main) - add_subdirectory(libnest2d) add_subdirectory(timeutils) add_subdirectory(sla_print) diff --git a/tests/example/CMakeLists.txt b/tests/example/CMakeLists.txt index 95f5e3762..45e4bb28e 100644 --- a/tests/example/CMakeLists.txt +++ b/tests/example/CMakeLists.txt @@ -1,5 +1,7 @@ get_filename_component(_TEST_NAME ${CMAKE_CURRENT_LIST_DIR} NAME) add_executable(${_TEST_NAME}_tests ${_TEST_NAME}_tests_main.cpp) -target_link_libraries(${_TEST_NAME}_tests test_common libslic3r ${Boost_LIBRARIES} ${TBB_LIBRARIES} ${Boost_LIBRARIES}) +target_link_libraries(${_TEST_NAME}_tests test_common libslic3r +#${Boost_LIBRARIES} ${TBB_LIBRARIES} ${Boost_LIBRARIES} +) catch_discover_tests(${_TEST_NAME}_tests TEST_PREFIX "${_TEST_NAME}: ") diff --git a/tests/libnest2d/CMakeLists.txt b/tests/libnest2d/CMakeLists.txt index ee38280b5..6b2cbd194 100644 --- a/tests/libnest2d/CMakeLists.txt +++ b/tests/libnest2d/CMakeLists.txt @@ -1,6 +1,6 @@ get_filename_component(_TEST_NAME ${CMAKE_CURRENT_LIST_DIR} NAME) add_executable(${_TEST_NAME}_tests ${_TEST_NAME}_tests_main.cpp printer_parts.cpp printer_parts.hpp) -target_link_libraries(${_TEST_NAME}_tests test_common libslic3r ${Boost_LIBRARIES} ${TBB_LIBRARIES} ${Boost_LIBRARIES}) +target_link_libraries(${_TEST_NAME}_tests test_common libnest2d ) # catch_discover_tests(${_TEST_NAME}_tests TEST_PREFIX "${_TEST_NAME}: ") add_test(${_TEST_NAME}_tests ${_TEST_NAME}_tests "--durations yes") diff --git a/tests/libnest2d/libnest2d_tests_main.cpp b/tests/libnest2d/libnest2d_tests_main.cpp index 1741bb8d6..4eecb7e58 100644 --- a/tests/libnest2d/libnest2d_tests_main.cpp +++ b/tests/libnest2d/libnest2d_tests_main.cpp @@ -3,7 +3,7 @@ #include -#include +#include #include "printer_parts.hpp" //#include #include "../tools/svgtools.hpp" @@ -225,11 +225,11 @@ TEST_CASE("Area", "[Geometry]") { using namespace libnest2d; RectangleItem rect(10, 10); - + REQUIRE(rect.area() == Approx(100)); RectangleItem rect2 = {100, 100}; - + REQUIRE(rect2.area() == Approx(10000)); Item item = { @@ -447,7 +447,7 @@ TEST_CASE("ArrangeRectanglesLoose", "[Nesting]") [](const Item &i1, const Item &i2) { return i1.binId() < i2.binId(); }); - + auto groups = size_t(max_group == rects.end() ? 0 : max_group->binId() + 1); REQUIRE(groups == 1u); @@ -615,7 +615,7 @@ TEST_CASE("EmptyItemShouldBeUntouched", "[Nesting]") { items.emplace_back(Item{0, 200, 0}); // Emplace zero area item size_t bins = libnest2d::nest(items, bin); - + REQUIRE(bins == 0u); for (auto &itm : items) REQUIRE(itm.binId() == BIN_ID_UNSET); } @@ -627,57 +627,57 @@ TEST_CASE("LargeItemShouldBeUntouched", "[Nesting]") { items.emplace_back(RectangleItem{250000001, 210000001}); // Emplace large item size_t bins = libnest2d::nest(items, bin); - + REQUIRE(bins == 0u); REQUIRE(items.front().binId() == BIN_ID_UNSET); } TEST_CASE("Items can be preloaded", "[Nesting]") { auto bin = Box({0, 0}, {250000000, 210000000}); // dummy bin - + std::vector items; items.reserve(2); - + NestConfig<> cfg; cfg.placer_config.alignment = NestConfig<>::Placement::Alignment::DONT_ALIGN; - + items.emplace_back(RectangleItem{10000000, 10000000}); Item &fixed_rect = items.back(); fixed_rect.translate(bin.center()); - + items.emplace_back(RectangleItem{20000000, 20000000}); Item &movable_rect = items.back(); movable_rect.translate(bin.center()); - + SECTION("Preloaded Item should be untouched") { fixed_rect.markAsFixedInBin(0); - + size_t bins = libnest2d::nest(items, bin, 0, cfg); - + REQUIRE(bins == 1); - + REQUIRE(fixed_rect.binId() == 0); REQUIRE(fixed_rect.translation().X == bin.center().X); REQUIRE(fixed_rect.translation().Y == bin.center().Y); - + REQUIRE(movable_rect.binId() == 0); REQUIRE(movable_rect.translation().X != bin.center().X); - REQUIRE(movable_rect.translation().Y != bin.center().Y); + REQUIRE(movable_rect.translation().Y != bin.center().Y); } - + SECTION("Preloaded Item should not affect free bins") { fixed_rect.markAsFixedInBin(1); - + size_t bins = libnest2d::nest(items, bin, 0, cfg); - + REQUIRE(bins == 2); - + REQUIRE(fixed_rect.binId() == 1); REQUIRE(fixed_rect.translation().X == bin.center().X); REQUIRE(fixed_rect.translation().Y == bin.center().Y); - + REQUIRE(movable_rect.binId() == 0); - + auto bb = movable_rect.boundingBox(); REQUIRE(bb.center().X == bin.center().X); REQUIRE(bb.center().Y == bin.center().Y); @@ -1013,7 +1013,7 @@ TEST_CASE("mergePileWithPolygon", "[Geometry]") { REQUIRE(result.size() == 1); RectangleItem ref(45, 15); - + REQUIRE(shapelike::area(result.front()) == Approx(ref.area())); } diff --git a/tests/sla_print/CMakeLists.txt b/tests/sla_print/CMakeLists.txt index 687096ee4..077654273 100644 --- a/tests/sla_print/CMakeLists.txt +++ b/tests/sla_print/CMakeLists.txt @@ -1,6 +1,6 @@ get_filename_component(_TEST_NAME ${CMAKE_CURRENT_LIST_DIR} NAME) add_executable(${_TEST_NAME}_tests ${_TEST_NAME}_tests.cpp) -target_link_libraries(${_TEST_NAME}_tests test_common libslic3r ${Boost_LIBRARIES} ${TBB_LIBRARIES} ${Boost_LIBRARIES}) +target_link_libraries(${_TEST_NAME}_tests test_common libslic3r) #catch_discover_tests(${_TEST_NAME}_tests TEST_PREFIX "${_TEST_NAME}: ") add_test(${_TEST_NAME}_tests ${_TEST_NAME}_tests "--durations yes") diff --git a/tests/timeutils/CMakeLists.txt b/tests/timeutils/CMakeLists.txt index c4b7c2029..8dce85801 100644 --- a/tests/timeutils/CMakeLists.txt +++ b/tests/timeutils/CMakeLists.txt @@ -1,6 +1,10 @@ get_filename_component(_TEST_NAME ${CMAKE_CURRENT_LIST_DIR} NAME) -add_executable(${_TEST_NAME}_tests ${_TEST_NAME}_tests_main.cpp) -target_link_libraries(${_TEST_NAME}_tests test_common libslic3r ${Boost_LIBRARIES} ${TBB_LIBRARIES} ${Boost_LIBRARIES}) +add_executable(${_TEST_NAME}_tests + ${_TEST_NAME}_tests_main.cpp + ${PROJECT_SOURCE_DIR}/src/libslic3r/Time.cpp + ${PROJECT_SOURCE_DIR}/src/libslic3r/Time.hpp + ) +target_link_libraries(${_TEST_NAME}_tests test_common) # catch_discover_tests(${_TEST_NAME}_tests TEST_PREFIX "${_TEST_NAME}: ") add_test(${_TEST_NAME}_tests ${_TEST_NAME}_tests "--durations yes")