2020-02-22 15:38:54 +04:00

22 lines
589 B
Objective-C

#import <Foundation/Foundation.h>
@class TGPainting;
@class TGPhotoEntitiesContainerView;
@interface TGPaintUndoManager : NSObject <NSCopying>
@property (nonatomic, weak) TGPainting *painting;
@property (nonatomic, weak) TGPhotoEntitiesContainerView *entitiesContainer;
@property (nonatomic, copy) void (^historyChanged)(void);
@property (nonatomic, readonly) bool canUndo;
- (void)registerUndoWithUUID:(NSInteger)uuid block:(void (^)(TGPainting *, TGPhotoEntitiesContainerView *, NSInteger))block;
- (void)unregisterUndoWithUUID:(NSInteger)uuid;
- (void)undo;
- (void)reset;
@end