DD::Image::FrameExtentProviderI Class Reference

List of all members.

Public Member Functions

virtual double getFirstFrame () const =0
virtual double getLastFrame () const =0
virtual void setFirstFrame (double value)=0
virtual void setLastFrame (double value)=0
virtual void setCentre (double value)=0

Detailed Description

This interface is used for Ops that can provide frame extent information, defining the frame range over which they operate. It is called in order to determine clip range bars in the dope sheet.


Member Function Documentation

virtual double DD::Image::FrameExtentProviderI::getFirstFrame ( ) const [pure virtual]

Returns the first frame in the frame extent

virtual double DD::Image::FrameExtentProviderI::getLastFrame ( ) const [pure virtual]

Returns the last frame in the frame extent

virtual void DD::Image::FrameExtentProviderI::setFirstFrame ( double  value) [pure virtual]

Sets the new position of the first frame

virtual void DD::Image::FrameExtentProviderI::setLastFrame ( double  value) [pure virtual]

Sets the new position of the last frame

virtual void DD::Image::FrameExtentProviderI::setCentre ( double  value) [pure virtual]

Sets the new position of the centre of the range. Typically this means moving the whole clip, so the first and last frames will move accordingly.