virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {
if (parent != NULL) {
parent->inform_input_size(input_num, width, height);
}
}
virtual bool changes_output_size() const { return true; }
virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {
if (parent != NULL) {
parent->inform_input_size(input_num, width, height);
}
}
virtual bool changes_output_size() const { return true; }