charbitmap.h

C++&datastructure书籍源码,以前外教提供现在与大家共享

#ifndef _CHARBITMAP_H
#define _CHARBITMAP_H

#include <iostream>
using namespace std;
#include "tmatrix.h"

// class for black/white pixmaps
// rudimentary, but useful for illustrating concepts

class CharBitMap
{
  public:
    CharBitMap(int rows, int cols);
    
    enum color{black,white};
    
    void SetPixel  (int row, int col, CharBitMap::color c);
   
    color GetPixel(int row, int col) const;  // return pixel value
    void  Display(ostream& out)      const;  // display grid
    int   Rows()                     const;  // get dimensions: rows
    int   Cols()                     const;  // get dimesnions: cols
    
  private:
    char ToChar(CharBitMap::color c) const;  // for display
    tmatrix<color> myGrid;
    
    static char ULEFT, URIGHT,LLEFT,LRIGHT,VERT,HORIZ, ON, OFF;
};

#endif