/*  Nucleotide Sequence Generator - seq-gen, version 1.2.5 */
/*  (c) Copyright 1996-2001, Andrew Rambaut & Nick Grassly */
/*  Department of Zoology, University of Oxford            */


#include <stdio.h>
#include <stdlib.h>
#include "progress.h"

static int barLength, dotGap, dots, bar;

/*********************/
void InitProgressBar(int total)
{
	barLength=total;
	dotGap=1;
	if (barLength>MAX_BAR_LENGTH) {
		dotGap=barLength/MAX_BAR_LENGTH;
		if (barLength%dotGap)
			barLength=(barLength/dotGap)+1;
		else
			barLength/=dotGap;
	}
}


/*********************/
void DrawProgressBar()
{
	int i;

	if (barLength<2)
		return;
		
	fprintf(stderr, "0%%|");
	for (i=0; i<(barLength); i++)
		fputc('_', stderr);
	fprintf(stderr, "|100%%\n  [");
	fflush(stderr);
	dots=0;
	bar=0;
}


/*********************/
void ProgressBar()
{
	if (barLength<2)
		return;

	if (bar%dotGap==0) {
		fputc('.', stderr);
		fflush(stderr);
		dots++;
		if (dots==barLength) {
			fputc(']', stderr);
			fputc('\n', stderr);
		}
		fflush(stderr);
	}
		
	bar++;
}