seanwolter

#define screenHeight()      ([UIScreen mainScreen].bounds.size.height)

#define isPhoneFive()       (screenHeight() == 568)

#define isOS6()             ([[[UIDevice currentDevice] systemVersion]intValue] > 5.2)

#define UIInterfaceIdiomIsPad() (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

#define UIColorFromRGB(rgbValue) [UIColor \
colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 \

seanwolter

// MyOperation.h
@interface MyOperation : NSOperation
@end

// MyOperation.m
@implementation MyOperation

- (void)main {
    if ([self isCancelled]) {
        NSLog(@"** operation cancelled **");

seanwolter

- (void)attachMetadata
{
    DLog(@"EXIF data is %@",self.exifData);
    [self.exifData setObject:@1 forKey:@"Orientation"];

    NSData *jpeg = UIImageJPEGRepresentation(self.image, 1);
    CGImageSourceRef sourceRef = CGImageSourceCreateWithData((__bridge CFDataRef)jpeg, NULL);
    NSMutableData *dest_data = [NSMutableData data];
    CFStringRef UTI = CGImageSourceGetType(sourceRef);
    CGImageDestinationRef destination = CGImageDestinationCreateWithData((__bridge CFMutableDataRef)dest_data,UTI,1,NULL);

seanwolter

+ (NSDate *)dateFromRFC3339String:(NSString *)dateString
{
    NSDate *date = nil;
    if (dateString) {
        NSDateFormatter *dateFormatter = [self internetDateTimeFormatter];

        NSString *RFC3339String = [[NSString stringWithString:dateString] uppercaseString];
        RFC3339String = [RFC3339String stringByReplacingOccurrencesOfString:@"Z" withString:@"-0000"];
        if (RFC3339String.length > 20) {
            RFC3339String = [RFC3339String stringByReplacingOccurrencesOfString:@":"

seanwolter

- (NSArray *)lastWordOfEachLine
{
    NSMutableArray *wordArray = [@[] mutableCopy];
    UITextPosition *firstRowStart = self.myTextView.beginningOfDocument;
    UITextPosition *rowEnd = [self.myTextView.tokenizer positionFromPosition:firstRowStart
                                                                  toBoundary:UITextGranularityLine
                                                                 inDirection:UITextLayoutDirectionRight];

    BOOL done = NO;

seanwolter

    UITextPosition *firstRowStart = self.myTextView.beginningOfDocument;
    UITextPosition *firstRowEnd = [self.myTextView.tokenizer positionFromPosition:firstRowStart
                                                                       toBoundary:UITextGranularityLine
                                                                      inDirection:UITextLayoutDirectionRight];

    NSString *lastWord = nil;
    while (!lastWord) {
        UITextRange *range = [self.myTextView.tokenizer rangeEnclosingPosition:firstRowEnd
                                                               withGranularity:UITextGranularityWord