iOS7 boundingRectWithSize Example

TSTView.m

//
//  TSTView.m
//  Test
//
//  Created by James Bryan Graves on 09-02-14.
//  Copyright (c) 2014 Qardio. All rights reserved.
//

#import "TSTView.h"

@implementation TSTView

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

// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    
    UIFont *font = [UIFont boldSystemFontOfSize:24];
    
    NSMutableParagraphStyle *style = [NSMutableParagraphStyle new];
    style.alignment = NSTextAlignmentCenter;
    style.lineBreakMode = NSLineBreakByWordWrapping;
    NSAttributedString *str = [[NSAttributedString alloc] initWithString:@"Say something meaningful here?" attributes:@{NSFontAttributeName:font, NSParagraphStyleAttributeName: style}];
    
    CGSize strSize = [str boundingRectWithSize:CGSizeMake(self.frame.size.width, self.frame.size.height)
                                       options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading
                                       context:nil].size;
    
    NSLog(@"RECT: %@", NSStringFromCGSize(strSize));
    
    CGRect frame = CGRectMake((rect.size.width/2) - (strSize.width/2),
                              (rect.size.height/2) - (strSize.height/2),
                              strSize.width,
                              strSize.height);
    
    CGContextRef context = UIGraphicsGetCurrentContext();
    CGContextSetRGBFillColor(context, 0.0, 1.0, 0.0, 1.0);
    CGContextSetRGBStrokeColor(context, 0.0, 0.0, 1.0, 1.0);
    CGContextFillRect(context, frame);
    CGContextStrokeRect(context, frame);
    
    [str drawWithRect:frame options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading context:nil];
    
    
}


@end