screen.c

// this file contains screen functions. They are used to display

// sound levels on a PUTTY screen as a bar chart

#include <stdio.h>

#include "screen.h"



void barChart(int db[]){

	int i, j;

	

	for(i=0; i<COL; i++){	// for 80 columns

		for(j=0; j<db[i]/3; j++){

			if(db[i]>60 && j>20) setColors(WHITE, bg(YELLOW));

			else setColors(RED, bg(YELLOW));

			printf("\033[%d;%dH", 35-j, i+1);

#ifdef UNICODE			// conditional compilation

			printf("%s", BAR);

#else

			printf("%c", '*');

#endif

		}

	}

}



void clearScreen(void){

	printf("\033[2J");

	fflush(stdout);		// for remote terminal (such as PUTTY)

}



void setColors(short bg, short fg){

	printf("\033[%d;%d;1m", bg, fg);

	fflush(stdout);

}



void resetColors(void){

	printf("\033[0m");

	fflush(stdout);

}