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

cmake/awesomeDoxygen.cmake

@@ -2,6 +2,7 @@ include(FetchContent)
 FetchContent_Declare(
     doxygen-awesome-css
     URL https://github.com/jothepro/doxygen-awesome-css/archive/refs/heads/main.zip
+    DOWNLOAD_EXTRACT_TIMESTAMP 1
 )
 FetchContent_MakeAvailable(doxygen-awesome-css)
 

cmake/implot.cmake

@@ -0,0 +1,9 @@
+include(FetchContent)
+FetchContent_Declare(
+  implot
+  URL https://github.com/epezent/implot/archive/refs/tags/v0.17.zip
+  DOWNLOAD_EXTRACT_TIMESTAMP 1)
+
+FetchContent_MakeAvailable(implot)
+
+FetchContent_GetProperties(implot SOURCE_DIR IMPLOT_DIR)

cmake/libCZI.cmake

@@ -4,6 +4,7 @@ FetchContent_Declare(
   libCZI
   GIT_REPOSITORY https://github.com/ZEISS/libczi.git
   GIT_TAG        main
+  DOWNLOAD_EXTRACT_TIMESTAMP 1
 )
 
 if(NOT libCZI_POPULATED)

cmake/testgoogle.cmake

@@ -2,12 +2,13 @@ include(FetchContent)
 FetchContent_Declare(
   googletest
   URL https://github.com/google/googletest/archive/refs/tags/v1.14.0.zip
+  DOWNLOAD_EXTRACT_TIMESTAMP 1
 )
+
 # From this documentation: https://google.github.io/googletest/quickstart-cmake.html
 # For Windows: Prevent overriding the parent project's compiler/linker settings
-
 if(WIN32)
   set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
 endif()
 
-FetchContent_MakeAvailable(googletest)
+FetchContent_MakeAvailable(googletest)