Gerneric image codec abstraction init (#6)

* remove raw pointer from resource manager * towards generic images * 💅 and pin libCZI module * remove raw pointer from resource manager * towards generic images * fix rendering * fix rendering * fix unit tests * fix pipeline * fix gcc build * re-enable tests * add czi impl * remove resource button * refactor user code app to being a "default app" * ui resources * missing lib? * init czi render support * typos
2025-09-22 23:13:28 +02:00
parent bce12b0bb4
commit 0be064bb8e
31 changed files with 670 additions and 221 deletions
@@ -0,0 +1,56 @@
+#include "PixelariumImageFactory.hpp"
+
+#include <algorithm>
+#include <cctype>
+#include <memory>
+
+#include "impl/PixelariumCzi.hpp"
+#include "impl/PixelariumJpg.hpp"
+#include "impl/PixelariumPng.hpp"
+
+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;
+}
+
+/*static*/ std::unique_ptr<pixelarium::imaging::IPixelariumImage>
+pixelarium::imaging::PixelariumImageFactory::CreateImage(const std::string& uri)
+{
+    const auto res{std::filesystem::path(uri)};
+    const auto target_type{ExtensionToType(res.extension().string())};
+
+    switch (target_type)
+    {
+        case ImageFileType::UNKNOWN:
+            return {};
+            break;
+        case ImageFileType::ABSTRACT:
+            return {};
+            break;
+        case ImageFileType::PNG:
+            return std::make_unique<PixelariumPng>(uri);
+            break;
+        case ImageFileType::JPG:
+            return std::make_unique<PixelariumJpg>(uri);
+            break;
+        case ImageFileType::CZI:
+            return std::make_unique<PixelariumCzi>(uri);
+            break;
+    }
+}