word_collector.cpp

《Visual C++数字图像识别技术典型案例》之光学字符识别技术源码

/******************************************************************************
 * 光学字符识别程序
 * 文件名：word_collector.cpp
 * 功能  ：单词收集实现文件
 * modified by [e-mail]
******************************************************************************/

#include <iostream>

#include "word_collector.h"
#include "global.h"
#include "dictionary.h"

using std::endl;

inline bool word_collector::IsNatLetter(char c)
{
	return (static_cast<unsigned char>(c)>=static_cast<unsigned char>('A') &&
	          static_cast<unsigned char>(c)<=static_cast<unsigned char>('Z')) ||
		(static_cast<unsigned char>(c)>=static_cast<unsigned char>('a') &&
		  static_cast<unsigned char>(c)<=static_cast<unsigned char>('z')) ||
		static_cast<unsigned char>(c)>=static_cast<unsigned char>('