bool Bezier::update()
{
//if (!ImageNode::update()) return false;
if (!Node::update()) return false;
cv::Mat out = cv::Mat(cv::Size(Config::inst()->im_width, Config::inst()->im_height), MAT_FORMAT_C3);
out = cv::Scalar(0,0,0);
std::vector<cv::Point2f> control_points;
control_points.push_back( cv::Point2f( getSignal("x0"), getSignal("y0") ));
control_points.push_back( cv::Point2f( getSignal("x1"), getSignal("y1") ));
control_points.push_back( cv::Point2f( getSignal("x2"), getSignal("y2") ));
control_points.push_back( cv::Point2f( getSignal("x3"), getSignal("y3") ));
int num = getSignal("num");
if (num < 2) { num = 2;
setSignal("num", num);
}
std::vector<cv::Point2f> bezier_points;
getBezier(control_points, bezier_points, num);
for (int i = 1; i < bezier_points.size(); i++) {
cv::line(out, bezier_points[i-1], bezier_points[i], cv::Scalar(255, 255, 255), 2, CV_AA );
}
setImage("out", out);
return true;
}
// Research purpose (to be removed ?)
void JacobianBasis::interpolate(const fullVector<double> &jacobian,
const fullMatrix<double> &uvw,
fullMatrix<double> &result,
bool areBezier) const
{
fullMatrix<double> bezM(jacobian.size(), 1);
fullVector<double> bez;
bez.setAsProxy(bezM, 0);
if (areBezier)
bez.setAll(jacobian);
else
lag2Bez(jacobian, bez);
getBezier()->interpolate(bezM, uvw, result);
}
template<typename T> T ofxAlgebraic_<T>::getSignal()
{
return getBezier();
}
template<typename T> T ofxAlgebraic_<T>::getSignal(T _value)
{
return getWithAmplitude(_value) + getBezier();
}