toolsreport.h

来自「C++ image processing.Mainly it occupies 」· C头文件 代码 · 共 56 行

#ifndef ToolsReport_h
#define ToolsReport_h

/* 

This "SOFTWARE" is a free software.

You are allowed to download, use, modify and redistribute this software.
The software is provided "AS IS" without warranty of any kind.

Copyright: University of Koblenz-Landau, Dirk Balthasar

*/

#include <stdarg.h> // vsnprintf

namespace tools
{
	/**
		message handling like printf
		@ingroup interop
	*/
	void LogMessageFmt(const char *fmt, ...);

	/// simple message handling
	void LogMessage(const char *Msg);

	/**
		Base class for all message handlers. Can be used to redict messages.
		Used by LogMessageFmt(..)
		@ingroup interop
	*/  
	class CMessageHandler
	{ 
		friend void LogMessageFmt(const char *fmt, ...);
		friend void LogMessage(const char *Msg); 
	public:
		/// destruction
		virtual ~CMessageHandler(){}
	protected:
		/// override this function to implement what's to do with a message
		virtual void LogMessage(const char *msg) = 0;
		/// returns the currently activated messagehandler
		static CMessageHandler *Get();
		/// can be used to change the messagehandler
		static void SetMessageHandler(CMessageHandler *MsgHandler)
		{
			m_MsgHandler = MsgHandler;
		}
	private:
		static CMessageHandler *m_MsgHandler;
	};

};

#endif