iOS7SizeWithFont

NSString+iOSAwareSize.h

//
//  NSString+iOSAwareSize.h
//
//  Created by Florian Friedrich on 07.02.14.
//  Copyright (c) 2014 Florian Friedrich. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
//  to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
//  and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
// 
//  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#import <Foundation/Foundation.h>

@interface NSString (iOSAwareSize)

- (CGSize)ff_sizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size lineBreakMode:(NSLineBreakMode)lineBreakMode;

@end

NSString+iOSAwareSize.m

//
//  NSString+iOSAwareSize.m
//
//  Created by Florian Friedrich on 07.02.14.
//  Copyright (c) 2014 Florian Friedrich. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
//  to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
//  and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
// 
//  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#import "NSString+iOSAwareSize.h"

@implementation NSString (iOSAwareSize)

- (CGSize)ff_sizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size lineBreakMode:(NSLineBreakMode)lineBreakMode
{
    CGSize returnSize = CGSizeZero;
    
    if ([self respondsToSelector:@selector(boundingRectWithSize:options:attributes:context:)]) {
        NSMutableParagraphStyle *pStyle = [[NSMutableParagraphStyle alloc] init];
        pStyle.lineBreakMode = lineBreakMode;
        NSDictionary *attributes = @{NSFontAttributeName: font, NSParagraphStyleAttributeName: [pStyle copy]};
        CGRect rect = [self boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin attributes:attributes context:nil];
        returnSize = (CGSize){ceil(rect.size.width), ceil(rect.size.height)};
    } else {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
        returnSize = [self sizeWithFont:font constrainedToSize:size lineBreakMode:lineBreakMode];
#pragma GCC diagnostic pop
    }
    
    return returnSize;
}

@end