DD::Image::File_KnobI Class Reference

Public Types
enum	ChangeContext {   ChangedFromScript, ChangedFromUser, ChangedFromUserOverride, ChangedFromScriptOverride,   ChangedNone }

Public Member Functions
virtual ChangeContext	getLastChangeContext () const =0
virtual void	cooked_frame (const OutputContext &context, int &frame, bool &black, int &offset)=0
virtual bool	isReadKnob () const =0

Detailed Description

Abstract base class for File Knob-specific methods.

Member Enumeration Documentation

enum DD::Image::File_KnobI::ChangeContext

This enum gives File knobs information about what triggered the last filename change

Member Function Documentation

virtual ChangeContext DD::Image::File_KnobI::getLastChangeContext ( ) const

pure virtual

Get the reason for the last change to this knob's value