mickeyl

- (UIImage *)pspdf_preloadedImage {
    CGImageRef image = self.CGImage;
    
    // make a bitmap context of a suitable size to draw to, forcing decode
    size_t width = CGImageGetWidth(image);
    size_t height = CGImageGetHeight(image);
    
    CGColorSpaceRef colourSpace = CGColorSpaceCreateDeviceRGB();
    CGContextRef imageContext =  CGBitmapContextCreate(NULL, width, height, 8, width*4, colourSpace,
                                                       kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Little);

mickeyl

-(void)triggerRelayoutIfNecessary
{
    [_activityIndicator stopAnimating];

    float newHeight = [self.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height;
    if ( newHeight != _lastHeight )
    {
        UITableView* tv = (UITableView*)[self LT_findFirstSuperviewOfClass:UITableView.class];
        if ( tv.isDragging || tv.isDecelerating )
        {

mickeyl

@implementation NSString (IndexedSubscripting)

-(NSString*)objectAtIndexedSubscript:(NSInteger)index
{
    NSRange range = NSMakeRange( index < 0 ? self.length + index: index, 1 );
    return [self substringWithRange:range];
}

@end

mickeyl

-(CGSize)intrinsicContentSize
{
    if ( _zeroIntrinsicContentSizeIfHidden && self.hidden )
    {
        return CGSizeZero;
    }
    
    return [super intrinsicContentSize];
}