Misc enhancements (#9)

* deploy docs only for main

* Revert "deploy docs only for main"

This reverts commit 53e37bd8a43e7e20d5a64bed1b3e00ced551dcae.

* init czi specific view

* fix build

lib/imaging/CMakeLists.txt

@@ -29,4 +29,4 @@ target_link_libraries(${IMAGELIBLIBNAME}
 
 target_include_directories(${IMAGELIBLIBNAME}
   PUBLIC ${OpenCV_INCLUDE_DIRS}
-  PRIVATE ${LIBCZI_INCLUDE_DIR})
+  PUBLIC ${LIBCZI_INCLUDE_DIR})

lib/imaging/impl/PixelariumCzi.cpp

@@ -5,6 +5,22 @@
 
 #include "libCZI.h"
 
+pixelarium::imaging::PixelariumCzi::PixelariumCzi(const std::string& uri)
+{
+    if (!std::filesystem::exists(uri))
+    {
+        throw std::runtime_error("Render file not found.");
+    }
+
+    this->is_empty_ = false;
+    this->uri_ = std::filesystem::path(uri);
+
+    auto stream = libCZI::CreateStreamFromFile(this->uri_.wstring().c_str());
+    this->czi_reader_ = libCZI::CreateCZIReader();
+    this->czi_reader_->Open(stream);
+    this->image_statistics_ = this->czi_reader_->GetStatistics();
+}
+
 std::unique_ptr<cv::Mat> CZISubBlockToCvMat(std::shared_ptr<libCZI::IBitmapData> bitmap, libCZI::PixelType pixeltype)
 {
     size_t pixel_size{0};
@@ -81,23 +97,9 @@ std::unique_ptr<cv::Mat> CZISubBlockToCvMat(std::shared_ptr<libCZI::IBitmapData>
     return fill_mat;
 }
 
-pixelarium::imaging::PixelariumCzi::PixelariumCzi(const std::string& uri)
-{
-    if (!std::filesystem::exists(uri))
-    {
-        throw std::runtime_error("Render file not found.");
-    }
-
-    this->is_empty_ = false;
-    this->uri_ = std::filesystem::path(uri);
-}
-
 std::unique_ptr<cv::Mat> pixelarium::imaging::PixelariumCzi::TryGetImage()
 {
-    auto stream = libCZI::CreateStreamFromFile(this->uri_.wstring().c_str());
-    auto cziReader = libCZI::CreateCZIReader();
-    cziReader->Open(stream);
-    auto block = cziReader->ReadSubBlock(0);
+    auto block = this->czi_reader_->ReadSubBlock(0);
     auto bitmap = block->CreateBitmap();
     auto res = CZISubBlockToCvMat(bitmap, block->GetSubBlockInfo().pixelType);
 

lib/imaging/impl/PixelariumCzi.hpp

@@ -1,8 +1,10 @@
 #pragma once
 
+#include <memory>
 #include <string>
 
 #include "../IPixelariumImage.hpp"
+#include "libCZI.h"
 
 namespace pixelarium::imaging
 {
@@ -15,6 +17,11 @@ class PixelariumCzi : public IPixelariumImage
 {
    public:
     explicit PixelariumCzi(const std::string& uri);
+    ~PixelariumCzi()
+    {
+        if (this->czi_reader_)
+            this->czi_reader_->Close();
+    }
 
     // IPixelariumImage member implementations
    public:
@@ -34,6 +41,8 @@ class PixelariumCzi : public IPixelariumImage
 
     bool Empty() const noexcept override { return this->is_empty_; }
 
+    const libCZI::SubBlockStatistics& GetStatistics() const { return this->image_statistics_; }
+
    public:
     const static ImageFileType type_{ImageFileType::CZI};
 
@@ -41,5 +50,9 @@ class PixelariumCzi : public IPixelariumImage
     // this should be set by each image getter
     // after a new cv::Mat could be instantiated
     bool is_empty_{true};
+
+    libCZI::SubBlockStatistics image_statistics_;
+
+    std::shared_ptr<libCZI::ICZIReader> czi_reader_;
 };
 }  // namespace pixelarium::imaging