}
}
virtual bool changes_output_size() const { return true; }
+ virtual bool sets_virtual_output_size() const { return true; }
+ virtual bool one_to_one_sampling() const { return false; } // Can sample outside the border.
virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const {
*width = this->width;