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#import <UIKit/UIKit.h>
#import "CircleView.h"
#import <QuartzCore/QuartzCore.h>
@interface CircleView()
@property (nonatomic) UIColor * circleColor;
@end
@implementation CircleView
- (id)initWithFrame:(CGRect)frame andColor:(UIColor *)color
{
self = [super initWithFrame:frame];
if (self)
{
self.circleColor = color;
self.opaque = NO;
}
return self;
}
- (void)drawRect:(CGRect)rect
{
CGContextRef ctx = UIGraphicsGetCurrentContext();
CGContextAddEllipseInRect(ctx, rect);
CGContextSetFillColor(ctx, CGColorGetComponents([self.circleColor CGColor]));
CGContextFillPath(ctx);
}
+ (UIView *)createViewWithCircleDiameter:(CGFloat)diameter andColor:(UIColor *)color
{
UIView * circleView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, diameter, diameter)];
circleView.backgroundColor = [UIColor clearColor];
CircleView * circle = [[CircleView alloc] initWithFrame:CGRectMake(0.5, 0.5, diameter - 1, diameter - 1) andColor:color];
[circleView addSubview:circle];
return circleView;
}
+ (UIImage *)createCircleImageWith:(CGFloat)diameter andColor:(UIColor *)color
{
UIView * circle = [self createViewWithCircleDiameter:diameter andColor:color];
return [self imageWithView:circle];
}
+ (UIImage *)createCircleImageWith:(CGFloat)diameter andColor:(UIColor *)color andSubview:(UIView *)view
{
UIView * circle = [self createViewWithCircleDiameter:diameter andColor:color];
[circle addSubview:view];
return [self imageWithView:circle];
}
+ (UIImage *)imageWithView:(UIView *)view
{
UIGraphicsBeginImageContextWithOptions(view.bounds.size, NO, 0.0);
[view.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage * img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return img;
}
@end
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