Misc (#19)

* get image returns optional<Mat> instead of unique_ptr<Mat>

* introduce complexity

* rename image load function

* add example for a basic reader for binary image files

* fix windows build?

* add a status bar underneath the menu bar

* use status bar in custom_0 example app

* clang formats

* packing w/ pragma push

* add "Save As" functions to image views

* resize over reserve

* rm local override uri

* add simple thread pool

* rename to simple_thread_pool

* get rid of useless renderlib

* document version inc

* extract hardcoded values to in-header

* clang format patch

* clone registered image in custom_0

* document binary-file header

* minor fixes

* clang format

* rm unused render cmake

lib/app/CMakeLists.txt

@@ -16,15 +16,30 @@ set(APPLIBSRC
   ${imgui_DIR}/backends/imgui_impl_opengl3.cpp
   ${imgui_DIR}/backends/imgui_impl_glfw.cpp)
 
+set(RENDERSRC
+  rendering/RenderHelpers.hpp
+  rendering/RenderHelpers.cpp
+  rendering/CvMatRender.hpp
+  rendering/CvMatRender.cpp
+  rendering/RenderImageManager.hpp
+  rendering/RenderImageManager.cpp
+  rendering/IPixelariumImageView.hpp
+  rendering/IPixelariumImageView.cpp
+  rendering/PixelariumImageViewDefault.hpp
+  rendering/PixelariumImageViewDefault.cpp
+  rendering/PixelariumImageViewCzi.hpp
+  rendering/PixelariumImageViewCzi.cpp
+  rendering/ImageViewFactory.hpp
+  rendering/ImageViewFactory.cpp)
+
 set(APPLIBNAME pixelariumapplicationlib)
 
 add_library(${APPLIBNAME}
-  STATIC ${APPLIBSRC})
+  STATIC ${APPLIBSRC} ${RENDERSRC})
 
 target_link_libraries(${APPLIBNAME}
   PRIVATE pixelariumutilslib
-  PRIVATE pixelariumimagelib
-  PRIVATE pixelariumrenderlib)
+  PRIVATE pixelariumimagelib)
 
 # This needs to be public to let the consumer know about it.
 if(WIN32)
@@ -47,6 +62,7 @@ target_include_directories(${APPLIBNAME}
   PRIVATE ${CMAKE_BINARY_DIR}
   PRIVATE ${PROJECT_SOURCE_DIR}/lib
   PRIVATE ${PROJECT_SOURCE_DIR}/lib/imaging
+  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/rendering
   PUBLIC ${pfd_DIR}
   PUBLIC ${imgui_DIR}
   PUBLIC ${imgui_DIR}/backends)