History data item specifiers for ProcessImplementation::UndoMode(). More...

Detailed Description

Use UndoFlag constants to make up return values for ProcessImplementation::UndoMode(). That member function specifies the data that the PixInsight core application must save to swap files before executing an instance of a given process. Saved undo data are used to retrieve a history state of an image, e.g. for undo and redo operations.

UndoFlag::DefaultMode	Save pixel data, astrometric solution and previews.
UndoFlag::PixelData	Save pixel data.
UndoFlag::RGBWS	Save RGB Working Space data.
UndoFlag::ICCProfile	Save ICC profile.
UndoFlag::Keywords	Save FITS keywords.
UndoFlag::FormatData	Save Format-specific data.
UndoFlag::ImageId	Save image identifier.
UndoFlag::Resolution	Save image resolution data.
UndoFlag::AstrometricSolution	Save existing astrometric solution.
UndoFlag::ViewProperties	The process modifies view properties.
UndoFlag::All	Save all data items.
UndoFlag::DeletePropertiesOnEntry	Unconditionally destroy/delete non-permanent view properties before execution.
UndoFlag::DeletePropertiesOnExit	Unconditionally destroy/delete non-permanent view properties after execution.
UndoFlag::ExcludePreviews	Don't save state of previews.
UndoFlag::ExcludeMaskRelations	Don't save masking dependencies.