UIView for deleting icons: little x in a circle added to the top left.

Circle.m

//  CancelView.m
//
//  Created by Sascha Mundstein on 3/21/13.
//  Copyright (c) 2013 Erica Sadun. All rights reserved.
//

@interface CancelView : UIView
@end

@implementation CancelView

- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        self.backgroundColor = [UIColor clearColor];
    }
    return self;
}

- (void)drawRect:(CGRect)rect
{
    
    CGFloat l = 6.0;         // line width
    CGFloat offset = 0.2;    // proportion of view to be used
    CGColorRef lineColor = [UIColor whiteColor].CGColor;
    CGColorRef fillColor = [UIColor blackColor].CGColor;
    //[UIColor colorWithRed:128/255.0 green:0 blue:0 alpha:1.0].CGColor;

    
    CGRect circleFrame = CGRectMake(l, l, rect.size.width-2*l, rect.size.height-2*l);
    
    CGContextRef context = UIGraphicsGetCurrentContext();

    CGContextSetLineWidth(context, l);
    
    CGContextSetStrokeColorWithColor(context, lineColor);
    CGContextSetFillColorWithColor(context, fillColor);

    // outer circle
    CGContextAddEllipseInRect(context, circleFrame);
    CGContextStrokePath(context);
    
    // black background
    CGContextAddEllipseInRect(context, circleFrame);
    CGContextFillPath(context);
    
    // X in the center
    CGRect xFrame = circleFrame;
    CGContextSetLineWidth(context, l/2.0);
    
    xFrame.origin.x += circleFrame.size.width * offset;
    xFrame.origin.y += circleFrame.size.height * offset;
    xFrame.size.width = circleFrame.size.width * (1-offset*2);
    xFrame.size.height = circleFrame.size.width * (1-offset*2);

    CGContextMoveToPoint(context, xFrame.origin.x, xFrame.origin.y);
    CGContextAddLineToPoint(context, CGRectGetMaxX(xFrame), CGRectGetMaxY(xFrame));
    CGContextMoveToPoint(context, CGRectGetMaxX(xFrame), xFrame.origin.y);
    CGContextAddLineToPoint(context, xFrame.origin.x, CGRectGetMaxY(xFrame));
    CGContextStrokePath(context);
    
    
}

@end