Add performant triangulation for napari shapes (#36)

* fix annotation warnings

* add code for finding edge intersection

* initial implementation for convex polygons

* move part of conde to c++

* avoid name collision

* fix bug in code

* rewrtte finding intersection to c++

* rewrite is_convex

* rewrite triangle convex polygon

* simplify code

* clang-format

* split functions and define helper functions

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* start implementing sweeping line triangulation

* implementation part 2

* reformat file

* describe steeps

* improve code structure

* fix type annotation

* add triangulate to install targets

* fix configuration and fix code

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix warning in code

* next style fixes

* refactor code for better readability

* clarify code

* Fix finding intersections

* udpate docstrings

* add comparator for left to righe edges order, start fixing finding intersections

* comment out debug build

* move between computers

* fixing intersection part 2

* use simple workaround for intersection edge case

* fix addin intersection points to polygon

* add monotone polygon triangulation

* polygon split initial

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* initial implementation of sweeping line triangulation

* fix orientation of triangles

* use c++ code for triangulation

* more verbose test run

* fix checking of point dupplication

* Fix basic bugs

* first test for triangulation

* add basic test and fix left-right detection

* add intersection points

* fix point repetition bugs

* add problematic test

* fix macos specific bug

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix intersection for colinear points

* try fix linux compilation fail

* add next test

* single place to define coordinate type

* cleanup code

* fix IDE warnings

* fix another bug

* add missed import

* fix remaining bug

* cleanup code

* more clanup

* add initial implementation of triangulating edge

* initialimplementation of edge triangulation

* add test and fix triangles

* add triangulation of edges

* addres part of remarks from code review

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* use memory view for triangulation call

* use memory view for speedup

* improve code based on review

* more fixes

* use shared pointer and weak pointer to manage memory

* fix exception message

* do not use raw pointer

* split function get_left_right_edges on two

* fix empty edge case

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: Czaki

CMakeLists.txt

@@ -1,7 +1,10 @@
 cmake_minimum_required(VERSION 3.21)
 project(${SKBUILD_PROJECT_NAME} LANGUAGES CXX)
 
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_FLAGS_DEBUG_INIT "-DDEBUG -g")
+set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g -DDEBUG")
+
 
 # Define compiler directive
 add_definitions(-DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION)
@@ -103,6 +106,18 @@ python_add_library(_napari_mapping MODULE "${napari_mapping_cython_cxx}" WITH_SO
 target_include_directories(_napari_mapping PRIVATE "${NUMPY_INCLUDE_DIR}")
 target_link_libraries(_napari_mapping PRIVATE OpenMP::OpenMP_CXX)
 
+cython_transpile(src/PartSegCore_compiled_backend/triangulate.pyx LANGUAGE CXX OUTPUT_VARIABLE triangulate_cython_cxx)
+python_add_library(
+        triangulate MODULE
+        "${triangulate_cython_cxx}"
+        src/PartSegCore_compiled_backend/triangulation/triangulate.hpp
+        src/PartSegCore_compiled_backend/triangulation/intersection.hpp
+        src/PartSegCore_compiled_backend/triangulation/point.hpp
+        src/PartSegCore_compiled_backend/triangulation/debug_util.hpp
+        WITH_SOABI)
+target_include_directories(triangulate PRIVATE "${NUMPY_INCLUDE_DIR}")
+target_include_directories(triangulate PRIVATE src/PartSegCore_compiled_backend/)
+
 
 install(TARGETS euclidean_cython DESTINATION PartSegCore_compiled_backend/sprawl_utils)
 install(TARGETS path_sprawl_cython DESTINATION PartSegCore_compiled_backend/sprawl_utils)
@@ -113,3 +128,4 @@ install(TARGETS calc_bounds DESTINATION PartSegCore_compiled_backend)
 install(TARGETS mso_bind DESTINATION PartSegCore_compiled_backend/multiscale_opening)
 install(TARGETS _fast_unique DESTINATION PartSegCore_compiled_backend)
 install(TARGETS _napari_mapping DESTINATION PartSegCore_compiled_backend)
+install(TARGETS triangulate DESTINATION PartSegCore_compiled_backend)

pyproject.toml

@@ -9,6 +9,7 @@ sdist.include = ["src/PartSegCore_compiled_backend/version.py"]
 cmake.version = ">=3.21"
 sdist.exclude = [".github", "tox.ini", "build_utils", "notebooks", ".readthedocs.yaml"]
 wheel.exclude = ["**.pyx"]
+#cmake.build-type = "Debug"
 
 
 [project]
@@ -139,7 +140,8 @@ quote-style = "single"
 indent-style = "space"
 docstring-code-format = true
 line-ending = "lf"
-skip-magic-trailing-comma = true
+skip-magic-trailing-comma = false
+
 
 [tool.ruff.lint]
 select = [