Enumerate all available keyboard layouts on Mac OS X and write out their icons

gistfile1.m

// need to include <Carbon/Carbon.h> and link against Carbon.framework
// not every layout/input method has TIFF icon

CFArrayRef list = TISCreateInputSourceList(NULL, true); 

for (int i = 0; i < CFArrayGetCount(list); i++) {       
  TISInputSourceRef source = (TISInputSourceRef)CFArrayGetValueAtIndex(list, i);      
  IconRef icon = TISGetInputSourceProperty(source, kTISPropertyIconRef);

  CFStringRef sourceID = TISGetInputSourceProperty(source, kTISPropertyInputSourceID);
  NSString *path = [[@"/tmp/" stringByAppendingPathComponent:(id)sourceID] stringByAppendingPathExtension:@"tiff"];
  [[[[[NSImage alloc] initWithIconRef:icon] autorelease] TIFFRepresentation] writeToFile:path atomically:YES];

  CFRelease(sourceID);
  ReleaseIconRef(icon);       
}
CFRelease(list);