void drawQueue(Queue * q) {
Node * head;
if (q != NULL) {
head = q->head;
while (head != NULL) {
drawStimulus(&(head->circle));
head = head->next;
}
}
}
void drawStimuliToFramebuffers(CX_SlidePresenter& sp, int trialIndex) {
CX_Millis startTime = Clock.now();
sp.beginDrawingNextSlide(stimulusPresentationDuration, "stimulus");
string letter = df(trialIndex, "letter").toString();
drawStimulus(letter, (trialIndex >= nBack));
sp.endDrawingCurrentSlide();
sp.beginDrawingNextSlide(interStimulusInterval, "blank");
drawBlank();
sp.endDrawingCurrentSlide();
CX_Millis renderingDuration = Clock.now() - startTime;
Log.notice() << "framebuffer rendering duration: " << renderingDuration;
}
void operator()(void) {
drawStimulus(this->letter, this->showInstructions);
}