#import <Foundation/Foundation.h> #import <CoreGraphics/CoreGraphics.h> @class TGPainting; @interface TGPaintSlice : NSObject @property (nonatomic, readonly) CGRect bounds; @property (nonatomic, readonly) NSData *data; - (instancetype)initWithData:(NSData *)data bounds:(CGRect)bounds; - (instancetype)swappedSliceForPainting:(TGPainting *)painting; @end