UIKit-based string additions for those who are going "Back to the Mac™"

NSString+DBMoreStringAdditions.h

#import <Cocoa/Cocoa.h>

@interface NSString (DBMoreStringAdditions)

- (CGSize)sizeWithFont:(NSFont *)aFont;
- (void)drawAtPoint:(CGPoint)point withFont:(NSFont *)aFont;
- (void)drawAtPoint:(CGPoint)point withFont:(NSFont *)aFont color:(NSColor *)aColor;
- (CGSize)sizeWithFont:(NSFont *)aFont actualFontSize:(CGFloat *)fontSize forWidth:(CGFloat)width;
- (CGSize)sizeWithFont:(NSFont *)aFont constrainedToSize:(CGSize)aSize;

@end

NSString+DBMoreStringAdditions.m

#import "NSString+DBMoreStringAdditions.h"

@implementation NSString (DMMoreStringAdditions)

- (CGSize)sizeWithFont:(NSFont *)aFont
{
    NSDictionary *attributes = [[NSDictionary alloc] initWithObjectsAndKeys:aFont, NSFontAttributeName, nil];
    NSSize size = [self sizeWithAttributes:attributes];
    [attributes release];
    
    return CGSizeMake(size.width, size.height);
}

- (void)drawAtPoint:(CGPoint)point withFont:(NSFont *)aFont
{
    NSDictionary *attributes = [[NSDictionary alloc] initWithObjectsAndKeys:aFont, NSFontAttributeName, nil];
    
    [self drawAtPoint:NSMakePoint(point.x, point.y) withAttributes:attributes];
    
    [attributes release];
}

- (void)drawAtPoint:(CGPoint)point withFont:(NSFont *)aFont color:(NSColor *)aColor
{
    NSDictionary *attributes = [[NSDictionary alloc] initWithObjectsAndKeys:aFont, NSFontAttributeName, aColor, NSForegroundColorAttributeName, nil];
    
    [self drawAtPoint:NSMakePoint(point.x, point.y) withAttributes:attributes];
    
    [attributes release];
}

- (CGSize)sizeWithFont:(NSFont *)aFont actualFontSize:(CGFloat *)fontSize forWidth:(CGFloat)width
{
    CGSize returnSize = [self sizeWithFont:aFont];
    
    *fontSize = [aFont pointSize];
    
    if (returnSize.width < width) {
        *fontSize = width * (*fontSize) / returnSize.width;
        returnSize.height = width * returnSize.height/returnSize.width;
        returnSize.width = width;
    }
    
    return returnSize;
}

- (CGSize)sizeWithFont:(NSFont *)aFont constrainedToSize:(CGSize)aSize
{
    NSDictionary *attributes = [[NSDictionary alloc] initWithObjectsAndKeys:aFont, NSFontAttributeName, nil];
    
    NSRect boundingRect = [self boundingRectWithSize:aSize options:NULL attributes:attributes];
    
    [attributes release];
    
    return CGSizeMake(boundingRect.size.width, boundingRect.size.height);
}

@end