Signal bars drawn in code from Mi-Fi Monitor

gistfile1.m

//where the lowest point on the bar begins in the rect
float baseline = 3.0f;

// the vertical stopping point of each bar if it isn't "filled"
float cutoff = 5.0f;
			
// offset everything from the left by this amount
float offset = 1.0f;

//width of each bar
float width = 3.0f;

//vertical height of each additional bar segment			
float barsegment = 3.0f;
			
// puts each "filled" bar up a little higher by a set amount so they look clearly different (especially matters for the first bar)
float booster = 4.0f;

// spacing between the bars
float spacing = 5.0f;
			
NSBezierPath *path = [[NSBezierPath alloc] init];
[path setLineWidth:width];
			
			
//first bar
[path moveToPoint:NSMakePoint((width + spacing * 0.0f) + offset , baseline)];
[path lineToPoint:NSMakePoint((width + spacing * 0.0f) + offset , ( self.siglevel >= 1 ? booster + (barsegment * 1) : cutoff) )];
			
//second bar
[path moveToPoint:NSMakePoint((width + spacing * 1.0f) + offset , baseline)];
[path lineToPoint:NSMakePoint((width + spacing * 1.0f) + offset , ( self.siglevel >= 2 ? booster + (barsegment * 2) : cutoff) )];
			
//third bar
[path moveToPoint:NSMakePoint((width + spacing * 2.0f) + offset , baseline)];
[path lineToPoint:NSMakePoint((width + spacing * 2.0f) + offset , ( self.siglevel >= 3 ? booster + (barsegment * 3) : cutoff) )];
			
//fourth bar
[path moveToPoint:NSMakePoint((width + spacing * 3.0f) + offset , baseline)];
[path lineToPoint:NSMakePoint((width + spacing * 3.0f) + offset , ( self.siglevel >= 4 ? booster + (barsegment * 4) : cutoff) )];
			
//fifth bar
[path moveToPoint:NSMakePoint((width + spacing * 4.0f) + offset , baseline)];
[path lineToPoint:NSMakePoint((width + spacing * 4.0f) + offset , ( self.siglevel >= 5 ? booster + (barsegment * 5) : cutoff) )];
			
if (isMenuVisible) {
        [[NSColor whiteColor] set];
				
}
else {
	if (self.siglevel < 1) {
		[[NSColor redColor] set];
	}

	else {
		[[NSColor colorWithCalibratedWhite:0.1 alpha:0.9] set];
	}
}
[path stroke];