Text Overlay Template, openFrameworks Examples

Multiples

// in the ofApp.h
// ... additional initialization code ...
//boolean to toggle help text
bool bHelpText;



// in the ofApp.cpp
void ofApp::setup(){
  //set help text to display by default
  bHelpText   = true;
  
  // ... additional example code ...
}


void ofApp::draw(){
  // ... additional example code ... 

  // display help text if it is enable 
  if(bHelpText) {
    stringstream ss;
    ss << "FPS: " << ofToString(ofGetFrameRate(),0) << endl << endl;
    ss << "(f): Toggle Fullscreen"<<endl;
    ss <<"(s): Draw Solid Shapes"<<endl;
    ss <<"(h): Toggle help."<<endl;
    ofDrawBitmapString(ss.str().c_str(), 20, 20);
  }
}



void ofApp::keyPressed(int key){
  switch(key){
  	case 'h':
  	  //toggle help text
      bHelpText = !bHelpText;
    break;
  }
}