Misc Improvements (#7)

* get rid of optional<ptr> -> double indirection

* more optional cleanup

* fix

* add more render pixel type options

* towards different views

* missing virtual declaration of ShowImage

* fix runtime

* init image view factory

* fix build

Render Image close button re-enable

add readme

init documentation

use awesomeDoxygen

ci build docs

install doxygen

id token permission

add pages write permission

lib/imaging/PixelariumImageFactory.hpp

@@ -5,6 +5,27 @@
 #include "IPixelariumImage.hpp"
 namespace pixelarium::imaging
 {
+constexpr pixelarium::imaging::ImageFileType ExtensionToType(const std::string& extension)
+{
+    std::string lower_ext{extension};
+    std::ranges::transform(extension, lower_ext.begin(), [](const char c) -> char { return std::tolower(c); });
+
+    if (lower_ext == ".jpg" || lower_ext == ".jpeg")
+    {
+        return pixelarium::imaging::ImageFileType::JPG;
+    }
+    if (lower_ext == ".png")
+    {
+        return pixelarium::imaging::ImageFileType::PNG;
+    }
+    if (lower_ext == ".czi")
+    {
+        return pixelarium::imaging::ImageFileType::CZI;
+    }
+
+    return pixelarium::imaging::ImageFileType::UNKNOWN;
+}
+
 class PixelariumImageFactory
 {
    public: