IBInspectable default values in Objective-C for IB_DESIGNABLE Views

View.m

- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (!self) {
        return nil;
    }
    
    [self inspectableDefaults];
    
    return self;
}

- (instancetype)initWithCoder:(NSCoder *)aDecoder
{
    self = [super initWithCoder:aDecoder];
    if (!self) {
        return nil;
    }
    
    [self inspectableDefaults];
    
    return self;
}

- (void)inspectableDefaults
{
    _tintImage = YES;
}