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

lib/resources/CMakeLists.txt

@@ -1,14 +1,17 @@
 set(RESOURCELIBNAME pixelariumresourcelib)
 
 set(RESOURCELIBSRC
-  resource.hpp
+  include/resource.hpp
   resource.cpp)
 
 add_library(${RESOURCELIBNAME} STATIC
   ${RESOURCELIBSRC})
 
+add_library(pixelarium::lib::resources_static ALIAS ${RESOURCELIBNAME})
+
 target_link_libraries(${RESOURCELIBNAME}
-  PRIVATE pixelariumimagelib)
+  PRIVATE pixelarium::lib::imaging_static)
 
 target_include_directories(${RESOURCELIBNAME}
-  PRIVATE ${CMAKE_SOURCE_DIR}/lib)
+  INTERFACE
+  PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)

lib/resources/include/resource.hpp

@@ -6,7 +6,7 @@
 #include <mutex>
 #include <unordered_map>
 
-#include "imaging/IPixelariumImage.hpp"
+#include "IPixelariumImage.hpp"
 
 namespace pixelarium::resources
 {

lib/resources/resource.cpp

@@ -5,7 +5,7 @@
 #include <functional>
 #include <mutex>
 
-#include "imaging/IPixelariumImage.hpp"
+#include "IPixelariumImage.hpp"
 
 using Image = pixelarium::imaging::IPixelariumImageCvMat;
 using namespace std;