//screenbuffer.cpp

#include "screenbuffer.h"

screenbuffer::screenbuffer()
    {
    int i,j;
    for(i=0;i<height;i++)
        for (j=0;j<width;j++)
            screen[i][j]=' ';
    }

ostream & screenbuffer::display(ostream & out)
    {
    int i,j;
    out<<endl;
    for(i=0;i<height;i++)
        {
        for (j=0;j<width;j++)
            out << screen[i][j];
        out << endl;
        }//end for i
    return out;    
    }

void screenbuffer::setpoint(int row, int col, char symbol)
    {
    if (row<height && row>=0 && 
        col<width && col>=0)
        screen[row][col]=symbol;
    }