SimpleUICircle

SimpleUICircle.h

//
//  SimpleUICircle.h 
//
//  Created by ks on 3/30/14.
//  Copyright (c) 2014 ks. All rights reserved.
//


#ifndef Rise_Alarm_PBDegreeToRadianMacros_h
#define Rise_Alarm_PBDegreeToRadianMacros_h


//
//  Degrees and Radians
//

/** Float: Degrees -> Radian **/
#define degreesToRadians( degrees ) ( ( degrees ) / 180.0 * M_PI )

/** Float: Radians -> Degrees **/
#define radiansToDegrees( radians ) ( ( radians ) * ( 180.0 / M_PI ) )


#endif


#import <UIKit/UIKit.h>



@interface SimpleUICircle : UIView


// Lifecycle
- (id) initWithBaseColor:(UIColor * )main;
- (id) initWithBaseColor:(UIColor * )main andOutlineColor:(UIColor * )outline;
- (id) initWithBaseColor:(UIColor * )main andOutlineColor:(UIColor * )outline andOutlineWidth:(NSInteger)width;
- (id) initWithOutlineColor:(UIColor * )outline andWidth:(NSInteger)width;


// Properties
@property ( nonatomic, strong ) UIColor * baseColor;
@property ( nonatomic, strong ) UIColor * outlineColor;
@property ( nonatomic, assign ) NSInteger outlineWidth;


// Methods
- (void) setBaseColor:(UIColor * )main;
- (void) setOutlineColor:(UIColor *)outline;
- (void) setOutlineWidth:(NSInteger)width;
- (void) setup;


@end

SimpleUICircle.m

//
//  SimpleUICircle.m 
//
//  Created by ks on 3/30/14.
//  Copyright (c) 2014 ks. All rights reserved.
//



#import "SimpleUICircle.h"



@implementation SimpleUICircle



#pragma mark - Lifecycle

- (id) init
    {
        self = [super init ];
        if(self) {
            [self setup ];
        }
        return self;
    }

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

- (id) initWithBaseColor:(UIColor * )main
    {
        self = [super init ];
        if( self ) {
            [self setBaseColor:main ];
            [self setup ];
        }
        return self;

    }

- (id) initWithBaseColor:(UIColor * )main andOutlineColor:(UIColor * )outline
    {
        self = [super init ];
        if( self ) {
            [self setBaseColor:main ];
            [self setOutlineColor:outline ];
            [self setup ];
        }
        return self;

    }

- (id) initWithBaseColor:(UIColor * )main andOutlineColor:(UIColor * )outline andOutlineWidth:(NSInteger)width
    {
        self = [super init ];
        if( self ) {
            [self setBaseColor:main ];
            [self setOutlineColor:outline ];
            [self setOutlineWidth:width ];
            [self setup ];
        }
        return self;
    }

- (id) initWithOutlineColor:(UIColor * )outline andWidth:(NSInteger)width
    {
        self = [super init ];
        if( self ) {
            [self setOutlineColor:outline ];
            [self setOutlineWidth:width ];
        }
        return self;
    }



#pragma mark - Overrides

- (void)drawRect:(CGRect)rect
    {
        [super drawRect:rect ];

        // Arc points
        CGFloat arcStart = degreesToRadians( -90 );
        CGFloat arcEnd = degreesToRadians( -90 + 360 );
        CGFloat circleRadius = self.frame.size.width / 2;
        CGPoint circleCenter = CGPointMake( circleRadius , circleRadius );
        
        // Draw circle
        if( _baseColor ) {
            UIBezierPath * circle = ({ UIBezierPath * circle = [UIBezierPath bezierPath];
                [circle addArcWithCenter:circleCenter radius:circleRadius startAngle:arcStart endAngle:arcEnd clockwise:YES ];
                [_baseColor setFill ];
                circle;
            });
            [circle fill ];
        }
        
        // Draw outline
        if( _outlineColor ) {
            CGFloat outlinRadius = circleRadius - ( _outlineWidth / 2 );
            UIBezierPath * outline = ({ UIBezierPath * outline = [UIBezierPath bezierPath ];
                [outline addArcWithCenter:circleCenter radius:outlinRadius startAngle:arcStart endAngle:arcEnd clockwise:YES ];
                [outline setLineWidth:_outlineWidth ];
                [_outlineColor setStroke ];
                outline;
            });
            [outline stroke ];
        }
    }



#pragma mark - Methods

- (void) setBaseColor:(UIColor * )main
    {
        _baseColor = main;
        [self setNeedsDisplay ];
    }

- (void) setOutlineColor:(UIColor *)outline
    {
        _outlineColor = outline;
        [self setNeedsDisplay ];
    }

- (void) setOutlineWidth:(NSInteger)width
    {
        _outlineWidth = width;
        [self setNeedsDisplay ];
    }

- (void) setup
    {
        // Background color
        [self setBackgroundColor:[UIColor clearColor ] ];
        
        // Set default outline width
        if( _outlineColor && !_outlineWidth )
            _outlineWidth = 1;
    }



@end