WIP: remove the old database abstraction layer

remove such classes:
- DbBase
- DbConn
- DbTextStream
- Db

while here:
- remove: TextStream, SLog, TexTextStream

winixd/core/image.h

@@ -5,7 +5,7 @@
  */
 
 /* 
- * Copyright (c) 2010-2021, Tomasz Sowa
+ * Copyright (c) 2010-2024, Tomasz Sowa
  * All rights reserved.
  * 
  * Redistribution and use in source and binary forms, with or without
@@ -38,8 +38,6 @@
 #include <string>
 #include <list>
 #include "basethread.h"
-#include "textstream.h"
-#include "db/db.h"
 #include "core/config.h"
 #include "models/item.h"
 
@@ -116,7 +114,6 @@ public:
 	};
 
 
-	void SetDb(Db * pdb);
 	void SetConfig(Config * pconfig);
 	void SetSystem(System * psystem);
 
@@ -147,7 +144,6 @@ public:
 
 private:
 
-	Db * db;
 	Config * config;
 	System * system;
 
@@ -185,9 +181,8 @@ private:
 	// only for second thread
 	ImageItem item_work;
 	std::wstring src_path, dst_path;
-	TextStream<std::string> command;
-	TextStream<std::wstring> stream_tmp_path;
-	std::string add_tempa;
+	pt::TextStream command;
+	pt::WTextStream stream_tmp_path;
 	std::string input_file_name;
 	std::string tmp_file_name;
 	Item file_work;
@@ -200,9 +195,8 @@ private:
 	void SaveImage();
 	void CreateImage();
 	void SelectAspect(size_t cx, size_t cy);
-	void EscapePath(const std::string & path, TextStream<std::string> & out, bool clear_stream = true);
+	void EscapePath(const std::string & path, pt::TextStream & out, bool clear_stream = true);
 	void CheckParam(ImageItem & item);
-	void Add(const std::wstring & in, TextStream<std::string> & out);
 	void ImageSavedCorrectly();
 
 };