CCTexture2D.m

// Needed to work with attributed strings
#import <CoreText/CoreText.h>

// Somewhere in drawing code, that renders string:

NSMutableParagraphStyle *paragraphStyle = [[[NSParagraphStyle defaultParagraphStyle] mutableCopy] autorelease];
paragraphStyle.alignment = alignments[hAlignment];
paragraphStyle.lineBreakMode = linebreaks[lineBreakMode];

NSDictionary *attributes = @{
    NSFontAttributeName: uiFont,
    NSParagraphStyleAttributeName: paragraphStyle,
    NSForegroundColorAttributeName: [UIColor whiteColor]
};

NSAttributedString *attrString = [[[NSAttributedString alloc] initWithString:string attributes:attributes] autorelease];

CGRect drawArea;

if (vAlignment == kCCVerticalTextAlignmentTop)
    drawArea = CGRectMake(0, 0, dimensions.width, dimensions.height);
else
{
    CGSize drawSize = [attrString boundingRectWithSize:dimensions
                                               options:NSStringDrawingUsesLineFragmentOrigin |
                                                       NSStringDrawingUsesFontLeading
                                               context:nil].size;

    if (vAlignment == kCCVerticalTextAlignmentBottom)
        drawArea = CGRectMake(0, dimensions.height - drawSize.height, dimensions.width, drawSize.height);
    else // kCCVerticalTextAlignmentCenter
        drawArea = CGRectMake(0, (dimensions.height - drawSize.height) / 2, dimensions.width, drawSize.height);
}

[attrString drawInRect:drawArea];