string ofxTLKeyframes::cutRequest(){
if(selectedKeyframes.size() > 0){
string xmlrep = getXMLStringForKeyframes(selectedKeyframes);
deleteSelectedKeyframes();
return xmlrep;
}
return "";
}
void ofxTLKeyframes::keyPressed(ofKeyEventArgs& args){
if(args.key == OF_KEY_DEL || args.key == OF_KEY_BACKSPACE){
deleteSelectedKeyframes();
}
if ( args.key == 's')
{
simplifySelectedKeyframes();
}
if ( args.key == 'k')
{
addKeyframe( getValue() );
}
}
void ofxTLKeyframes::simplifySelectedKeyframes( float tolerance ){
if ( selectedKeyframes.size() > 2 )
{
vector<ofPoint> pts;
float startTime = (float)selectedKeyframes[0]->time;
float timeNormalizationFactor = 1.0 / (float)selectedKeyframes.size();
for(int k = 0; k < selectedKeyframes.size(); k++){
pts.push_back(ofPoint(((float)selectedKeyframes[k]->time - startTime)*timeNormalizationFactor,selectedKeyframes[k]->value));
}
deleteSelectedKeyframes();
ofPolyline line(pts);
line.simplify(tolerance);
int i = 0;
while ( i < line.size())
{
addKeyframeAtMillis(ofMap(line[i].y, 0.0, 1.0, valueRange.min, valueRange.max, false),(unsigned long long)(line[i].x / timeNormalizationFactor+startTime));
i++;
}
}
}
void ofxTLKeyframes::keyPressed(ofKeyEventArgs& args){
if(args.key == OF_KEY_DEL || args.key == OF_KEY_BACKSPACE){
deleteSelectedKeyframes();
}
}
