Differential D10475 Diff 34251 source/blender/blenkernel/BKE_undo_system.h

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source/blender/blenkernel/BKE_undo_system.h

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	/** #UndoType.flag bitflags. */			/** #UndoType.flag bitflags. */
	typedef enum UndoTypeFlags {			typedef enum UndoTypeFlags {
	/**			/**
	* This undo type `encode` callback needs a valid context, it will fail otherwise.			* This undo type `encode` callback needs a valid context, it will fail otherwise.
	* \note Callback is still supposed to properly deal with a NULL context pointer.			* \note Callback is still supposed to properly deal with a NULL context pointer.
	*/			*/
	UNDOTYPE_FLAG_NEED_CONTEXT_FOR_ENCODE = 1 << 0,			UNDOTYPE_FLAG_NEED_CONTEXT_FOR_ENCODE = 1 << 0,
				/**
				* This undo type uses a differential storage (instead of a stateful storage).
				* It means that you cannot 'load' an undo step, but either 'apply' or 'unapply' it on top
				* of/from the previous/current state.
				*
				* Main implication here is that when undoing, the step n+1 needs to be processed (unapplied), to
				* make step n the active one.
				*/
				UNDOTYPE_DIFFERENTIAL = 1 << 1,
	} UndoTypeFlags;			} UndoTypeFlags;

	/* Expose since we need to perform operations on specific undo types (rarely). */			/* Expose since we need to perform operations on specific undo types (rarely). */
	extern const UndoType *BKE_UNDOSYS_TYPE_IMAGE;			extern const UndoType *BKE_UNDOSYS_TYPE_IMAGE;
	extern const UndoType *BKE_UNDOSYS_TYPE_MEMFILE;			extern const UndoType *BKE_UNDOSYS_TYPE_MEMFILE;
	extern const UndoType *BKE_UNDOSYS_TYPE_PAINTCURVE;			extern const UndoType *BKE_UNDOSYS_TYPE_PAINTCURVE;
	extern const UndoType *BKE_UNDOSYS_TYPE_PARTICLE;			extern const UndoType *BKE_UNDOSYS_TYPE_PARTICLE;
	extern const UndoType *BKE_UNDOSYS_TYPE_SCULPT;			extern const UndoType *BKE_UNDOSYS_TYPE_SCULPT;
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