//
//  Circle.m
//  StressFreeAlarm
//
//  Created by Rakesh Chander on 19/07/12.
//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//

#import "Circle.h"
#import "math.h"

#define PI 3.14159265358979323846
static inline float radians(double degrees) { return degrees * PI / 180; }

@implementation Circle


-(id)initWithFrame:(CGRect)frame {
 if (self = [super initWithFrame:frame]) {
  // Initialization code
 }
 return self;
}

- (void)drawRect:(CGRect)rect
{
 CGRect parentViewBounds = self.bounds;
 CGFloat x = CGRectGetWidth(parentViewBounds)/2;
 CGFloat y = CGRectGetHeight(parentViewBounds)/2;

 float startPoint=180.0;
 float endPoint=360*(percent/100);

 // Get the graphics context and clear it
 CGContextRef ctx = UIGraphicsGetCurrentContext();
 CGContextClearRect(ctx, rect);

 // define stroke color
 CGContextSetRGBStrokeColor(ctx, 1, 1, 1, 1.0);

 // define line width
 CGContextSetLineWidth(ctx, 4.0);

 // need some values to draw pie charts

 CGContextSetFillColor(ctx, CGColorGetComponents( [[UIColor cyanColor] CGColor]));
 CGContextMoveToPoint(ctx, x, y);
 CGContextAddArc(ctx, x, y, 100,  radians(startPoint), radians(startPoint+endPoint), 0);
 CGContextClosePath(ctx);
 CGContextFillPath(ctx);

 /* data capacity */
 CGContextSetFillColor(ctx, CGColorGetComponents([[UIColor grayColor] CGColor]));
 CGContextMoveToPoint(ctx, x, y);
 CGContextAddArc(ctx, x, y, 100,radians(startPoint+endPoint), radians(startPoint), 0);
 CGContextClosePath(ctx);
 CGContextFillPath(ctx);
}

-(void)setAdaptionPercent:(float)prcent
{
 percent=prcent;
 [self drawRect:CGRectZero];
}

/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
*/

- (void)dealloc {
 [super dealloc];
}

@end