Mac OSX Screen Capture

ScreenCapture.m

  CGImageRef imageRef = CGWindowListCreateImage(CGRectInfinite, kCGWindowListOptionAll, kCGNullWindowID, kCGWindowImageDefault);
  
  CFMutableDataRef dataRef = CFDataCreateMutable(kCFAllocatorDefault, 0);
  
  CGImageDestinationRef dest = CGImageDestinationCreateWithData(dataRef, kUTTypePNG, 1, NULL);
  CGImageDestinationAddImage(dest, imageRef, NULL);
  CGImageDestinationFinalize(dest);
  CFRelease(dest);
  
  CGImageRelease(imageRef);

  // Do stuff with data
  [(__bridge NSData *)dataRef writeToFile:@"/Users/Buzzy/Desktop/screen.png" atomically:YES];
  
  CFRelease(dataRef);