Filter::CanCacheAcrossTransform

Filter::CanCacheAcrossTransform
virtual bool CanCacheAcrossTransform(bool deltaTrans, bool deltaRot, bool deltaScale) const = 0;
Description

CanCacheAcrossTransform determines whether filters may be able to cache across transformations. However, the ability depends on filter's behavior.

Parameters
Parameters 
Description 
bool deltaTrans 
True if the translation of the shape has changed since the filter was last cached. 
bool deltaRot 
True if the rotation of the shape has changed since the filter was last cached. 
bool deltaScale 
True if the scale of the shape has changed since the filter was last cached. 
Return Value

True if the filter can be cached based on the transformation changes, false otherwise