NSData Selectors

gistfile1.m

@implementation NSData (AirfoilIntegrationSampleAdditions)
+ (id)scriptingAirfoilImageWithDescriptor:(NSAppleEventDescriptor *)descriptor
{
    if ( [descriptor descriptorType] == typeType && [descriptor typeCodeValue] == cMissingValue )
    {
        return nil;
    }

    if ( [descriptor descriptorType] != typeTIFF )
    {
        descriptor = [descriptor coerceToDescriptorType: typeTIFF];
        if (descriptor == nil)
        {
            return nil;
        }       
    }

    return [descriptor data];
}

- (id)scriptingAirfoilImageDescriptor
{
    return [NSAppleEventDescriptor descriptorWithDescriptorType: typeTIFF data: self];
}
@end