Enhance image type support (#18)

* adds tiff support

* doc update

* adds memory-based =IPixelariumImage= implementation

* add usage example for custom user control

* enhance

* clang-format

fix readme

fix docs

lib/imaging/PixelariumImageFactory.cpp

@@ -3,9 +3,11 @@
 #include <cctype>
 #include <memory>
 
+#include "imaging/impl/PixelariumMem.hpp"
 #include "impl/PixelariumCzi.hpp"
 #include "impl/PixelariumJpg.hpp"
 #include "impl/PixelariumPng.hpp"
+#include "impl/PixelariumTiff.hpp"
 
 /*static*/ std::unique_ptr<pixelarium::imaging::IPixelariumImage>
 pixelarium::imaging::PixelariumImageFactory::CreateImage(const std::string& uri, const Log& log)
@@ -17,18 +19,19 @@ pixelarium::imaging::PixelariumImageFactory::CreateImage(const std::string& uri,
     {
         case ImageFileType::kUnknown:
             return {};
-            break;
         case ImageFileType::kAbstract:
             return {};
-            break;
         case ImageFileType::kPng:
             return std::make_unique<PixelariumPng>(uri);
-            break;
         case ImageFileType::kJpg:
             return std::make_unique<PixelariumJpg>(uri);
-            break;
         case ImageFileType::kCzi:
             return std::make_unique<PixelariumCzi>(uri, log);
-            break;
+        case ImageFileType::kTiff:
+            return std::make_unique<PixelariumTiff>(uri, log);
+        case ImageFileType::kMemory:
+            return std::make_unique<PixelariumMem>(cv::Mat(), uri, log);
+        default:
+            return {};
     }
 }