text: //
  //  Screenshot.h
  //  CaseLights
  //
  //  Created by Thomas Buck on 27.12.15.
  //  Copyright © 2015 xythobuz. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface Screenshot : NSThread
  
  // Register and de-register the callback for configuration changes
  + (void)init:(AppDelegate *)appDelegate;
  + (void)close:(AppDelegate *)appDelegate;
  
  // List available displays. Returns an array of numbers.
  + (NSArray *)listDisplays;
  
  + (NSString *)displayNameFromDisplayID:(NSNumber *)displayID;
  + (NSBitmapImageRep *)screenshot:(NSNumber *)displayID;
  
  @end
  