Divide long string into pieces to fit a width . -(void) divideLongString:(NSString *) string toFitWidth:(CGFloat) width withFont: (UIFont *) font

gistfile1.m

-(NSMutableArray*) divideLongString:(NSString *) string toFitWidth:(CGFloat) width withFont: (UIFont *) font {
    NSMutableArray* retArray = [NSMutableArray array];
    CGSize stringSize = [string sizeWithFont:font];
    
    
    float ratio = width/stringSize.width;
    
    int difference = (int) stringSize.width % (int) width;
    int numberOfLines = (stringSize.width - difference) /width;
    
    NSRange range;
    range.location = 0;
    
    int charsReturned = 0;
    int numberOfChars = abs(ratio * string.length);
    range.length = numberOfChars;
    
    for (int i = 0; i<numberOfLines; i++) {
        [retArray addObject:[string substringWithRange:range]];
        charsReturned += numberOfChars;
        range.location += numberOfChars;
    }
    
    
    if (charsReturned < string.length) {
        [retArray addObject:[string substringFromIndex:range.location]];
    }
 return retArray;   
}