load a font from a custom ios/mac resource .bundle-file. via: http://stackoverflow.com/a/15510259/368959

gistfile1.m

- (void) loadCustomFont:(NSString*)fontFileName ofType:(NSString*)extension bundle:(NSBundle*)bundle {
	NSString *fontPath = [bundle pathForResource:fontFileName ofType:extension];
	NSData *inData = [NSData dataWithContentsOfFile:fontPath];
	CFErrorRef error;
	CGDataProviderRef provider = CGDataProviderCreateWithCFData((__bridge CFDataRef)inData);
	CGFontRef font = CGFontCreateWithDataProvider(provider);
	
	if (!CTFontManagerRegisterGraphicsFont(font, &error)) {
		CFStringRef errorDescription = CFErrorCopyDescription(error);
		NSLog(@"Failed to load font: %@", errorDescription);
		CFRelease(errorDescription);
	}
	
	CFRelease(font);
	CFRelease(provider);
}