build system and module refactoring + simple histogram scratch (#20)

* scratch adding histogram to image views

Histograms should come from some sort of histogram service. This is
currently just a POC.

* custom logger implementation w/o spdlog

* missing cmake file

* fix tests

* use operator<< over direct stream exposure

* rm print header

* add threading test + refactor towards interface libraries

omits the need for =target_include_directories= calls /everywhere/

* rm print header

* rm constexpr

* templated thread_pool

* fix doxyfile

* default enable doc building

* czi reader refactor

* rm erroneous include expression

* clang-format

* single lib include with PUBLIC visibility

* compile imgui stdlib

* clang format

* documentation update

centralize `LogLevelToString` to `ILog.hpp`

update docs and examples

CMakeLists.txt

@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.23)
 
-project(pixelarium VERSION 0.0.11)
+project(pixelarium VERSION 0.0.12)
+
+list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 
 set(CMAKE_VERBOSE_MAKEFILE ON)
 set(CMAKE_CXX_STANDARD 23)
@@ -21,32 +23,27 @@ message(STATUS "SPDLOG:\t" ${spdlog_DIR})
 # Options
 option(PIXELARIUM_BUILD_UNITTESTS "Generate Unittests"                        ON)
 option(PIXELARIUM_BUILD_DOCS      "Generate Documentation"                    ON)
-option(PIXELARIUM_BUILD_DOCS_ONLY "Build only Documentation (no compilatoin)" OFF)
+option(PIXELARIUM_BUILD_DOCS_ONLY "Build only Documentation (no compilation)" OFF)
 option(PIXELARIUM_BUILD_EXAMPLES  "Build example projects"                    ON)
 #====================
 
 string(TOUPPER "${CMAKE_PROJECT_NAME}" PIXELARIUM_TITLE)
 
 if(PIXELARIUM_BUILD_DOCS OR PIXELARIUM_BUILD_DOCS_ONLY)
-  include(${PROJECT_SOURCE_DIR}/cmake/awesomeDoxygen.cmake)
-  set(MAINPAGE_FILE "doc/index.md")
-  find_package(Doxygen)
-  if (DOXYGEN_FOUND)
+  find_package(Doxygen REQUIRED)
+  include(awesomeDoxygen)
+  set(MAINPAGE_FILE "${PROJECT_SOURCE_DIR}/doc/index.md")
 
-    set(DOXYGEN_IN ${PROJECT_SOURCE_DIR}/doc/Doxyfile.in)
-    set(DOXYGEN_OUT ${CMAKE_BINARY_DIR}/Doxyfile)
+  set(DOXYGEN_IN ${PROJECT_SOURCE_DIR}/doc/Doxyfile.in)
+  set(DOXYGEN_OUT ${CMAKE_BINARY_DIR}/Doxyfile)
 
-    configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
-    message(STATUS "Building Docs")
+  configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
+  message(STATUS "Building Docs")
 
-    add_custom_target(doxygen ALL
-      COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
-      WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-      COMMENT "Generating Docs")
-
-  else (DOXYGEN_FOUND)
-    message(FATAL_ERROR "Doxygen need to be installed to generate the doxygen documentation")
-  endif (DOXYGEN_FOUND)
+  add_custom_target(doxygen ALL
+    COMMAND ${DOXYGEN_EXECUTABLE} ${DOXYGEN_OUT}
+    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+    COMMENT "Generating Docs")
 
   if(PIXELARIUM_BUILD_DOCS_ONLY)
     message(STATUS "Documentation Generated successful")