CCircle CMinSquareRecognizing::getCircleByPoints( std::vector<cv::Point> points )
{
Eigen::MatrixXd C( 4, 4 );
C.fill( 0 );
C( 0, 0 ) = 4.;
Eigen::MatrixXd S = generateScatterMatrix( points );
Eigen::MatrixXd InverseS = S.inverse();
Eigen::MatrixXd engineM = InverseS * C;
Eigen::EigenSolver<Eigen::MatrixXd> es( engineM, true );
Eigen::MatrixXd vecs = es.eigenvectors().real();
Eigen::MatrixXd vals = es.eigenvalues().real();
for( int i = 0; i < vecs.rows(); ++i ) {
Eigen::MatrixXd row = vecs.row( i );
Eigen::MatrixXd rowTranspose = row.transpose();
double tmp = ( row * S * rowTranspose )( 0, 0 );
if( ( 1. / vals( i, 0 ) ) > 0
&& !isAbsInf( 1. / vals( i, 0 ) )
&& !isAbsInf( vals( i, 0 ) )
&& tmp > 0 ) {
//нормируем коэффициент перед квадратами до 1
double a = vecs( 0, i );
double b = vecs( 1, i ) / a;
double c = vecs( 2, i ) / a;
double d = vecs( 3, i ) / a;
double x = -b / 2.;
double y = -c / 2.;
double r = sqrt( b * b + c * c - 4 * d ) / 2.;
double accuracy = countCircleAccuracy( x, y, r, points );
return CCircle( cvRound( x ), cvRound( y ), cvRound( r ), accuracy );
}
}
return CCircle( 0, 0, 0 );
}
void AddCircle(const std::vector<std::string> & inputParts, std::vector<std::shared_ptr<CShape>> & figures, std::vector<std::shared_ptr<sf::Shape>> & shapes)
{
CPoint pos = CPoint(std::stod(inputParts[1]), std::stod(inputParts[2]));
double radius = std::stod(inputParts[3]);
std::string outlineColor = inputParts[4];
std::string fillColor = inputParts[5];
CCircle circle = CCircle(pos, radius, fillColor, outlineColor);
sf::CircleShape drawCircle;
drawCircle.setPosition((float)pos.GetPosition().first, (float)pos.GetPosition().second);
drawCircle.setRadius((float)radius);
drawCircle.setFillColor(ConvertHexToRgb(fillColor));
drawCircle.setOutlineThickness(3.f);
drawCircle.setOutlineColor(ConvertHexToRgb(outlineColor));
figures.push_back(std::make_shared<CCircle>(circle));
shapes.push_back(std::make_shared<sf::CircleShape>(drawCircle));
}
void ClockWidget::paintEvent(QPaintEvent *)
{
QColor CBackground( palette().window().color());
QColor CCircle( palette().windowText().color());
QColor CHMarkers( Qt::red);//palette().dark().color());
QColor CMMarkers( palette().dark().color());
QColor CHHand( 128,0,128);//palette().dark().color());
QColor CMHand( 0,128,128);//palette().mid().color());
QColor CSHand( 128,128,0);//palette().shadow().color());
QColor CText( palette().text().color());
QPointF center((width())/2.0f, (height())/2.0f);
float clockSize = height() > width() ? width()-3 : height()-3;
if (clockSize <= 0)
return;
QPainter painter(this);
QPen pen;
QFont font("Helvetica");
painter.setBackground(QBrush(CBackground));
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::HighQualityAntialiasing);
painter.translate(center);
if (systime)
targetTime = QDateTime::currentDateTime();
dateTime = dateTime.addSecs(qRound(dateTime.secsTo(targetTime) * 0.5));
dateTime = dateTime.addMSecs(qRound(dateTime.msecsTo(targetTime) * 0.5));
QTime time = dateTime.time();
pen.setCapStyle(Qt::FlatCap);
painter.setPen(Qt::NoPen);
painter.setBrush(CBackground);
painter.drawEllipse(QPointF(),clockSize * 0.485f, clockSize * 0.485f);
painter.setBrush(Qt::NoBrush);
painter.save();
pen.setColor(CMMarkers);
pen.setWidthF(clockSize*0.01);
painter.setPen(pen);
for (int i = 0; i < 60; i++)
{
painter.drawLine(QPointF(0, clockSize * 0.46f),QPoint(0, clockSize * 0.485f));
painter.rotate(360/60);
}
painter.restore();
painter.save();
pen.setColor(CHMarkers);
pen.setWidthF(clockSize*0.02);
painter.setPen(pen);
for (int i = 0; i < 12; i++)
{
painter.drawLine(QPointF(0, clockSize * 0.44f),QPoint(0, clockSize * 0.485f));
painter.rotate(360/12);
}
painter.restore();
pen.setColor(CCircle);
pen.setWidthF(clockSize*0.01);
painter.setPen(pen);
painter.drawEllipse(QPointF(),clockSize * 0.485f, clockSize * 0.485f);
pen.setColor(CText);
painter.setPen(pen);
QString weekday = "";
switch (dateTime.date().dayOfWeek())
{
case 1: weekday = "Monday";
break;
case 2: weekday = "Tuesday";
break;
case 3: weekday = "Wednesday";
break;
case 4: weekday = "Thursday";
break;
case 5: weekday = "Friday";
break;
case 6: weekday = "Saturday";
break;
case 7: weekday = "Sunday";
break;
default:
break;
}
font.setPointSizeF(clockSize * 0.05f);
painter.setFont(font);
painter.drawText(
-clockSize*0.35f,
-clockSize*0.3f,
clockSize*0.35f,
clockSize*0.1f,
Qt::AlignCenter,
weekday);
font.setPointSizeF(clockSize * 0.15f);
painter.setFont(font);
painter.drawText(
-clockSize*0.3f,
-clockSize*0.2f,
clockSize*0.25f,
clockSize*0.25f,
Qt::AlignCenter,
QString::number(dateTime.date().day()));
painter.drawText(
clockSize*0.05f,
-clockSize*0.2f,
clockSize*0.25f,
clockSize*0.25f,
Qt::AlignCenter,
QString::number(dateTime.date().month()));
font.setPointSizeF(clockSize * 0.10f);
painter.setFont(font);
painter.drawText(
-clockSize*0.3f,
clockSize*0.05f,
clockSize*0.6f,
clockSize*0.25f,
Qt::AlignCenter,
QString::number(dateTime.date().year()));
painter.setPen(Qt::NoPen);
const QPoint hourHand[4] =
{
QPoint(0,clockSize*0.035f),
QPoint(-1-clockSize*0.035f,0),
QPoint(0,-clockSize*0.25f),
QPoint(1+clockSize*0.035f,0)
};
painter.save();
painter.setBrush(CHHand);
painter.rotate((time.hour() + time.minute()/60.0f) * (360/12));
painter.drawConvexPolygon(hourHand, 4);
painter.drawPie(-clockSize*0.035f,
-clockSize*0.035f,
clockSize*0.07f,
clockSize*0.07f,
180*16,
180*16
);
painter.restore();
const QPoint minuteHand[4] =
{
QPoint(0,clockSize*0.03f),
QPoint(-1-clockSize*0.03f,0),
QPoint(0,-clockSize*0.35f),
QPoint(1+clockSize*0.03f,0)
};
painter.save();
painter.setBrush(CMHand);
painter.rotate((time.minute() + time.second()/60.0f) * (360/60));
painter.drawConvexPolygon(minuteHand, 4);
painter.drawPie(-clockSize*0.03f,
-clockSize*0.03f,
clockSize*0.06f,
clockSize*0.06f,
180*16,
180*16
);
painter.restore();
const QPoint secondHand[4] =
{
QPoint(0,clockSize*0.02f),
QPoint(-1-clockSize*0.02f,0),
QPoint(0,-clockSize*0.40f),
QPoint(1+clockSize*0.02f,0)
};
painter.save();
painter.setBrush(CSHand);
painter.rotate((time.second() + time.msec()/1000.0f) * (360/60));
painter.drawConvexPolygon(secondHand, 4);
painter.drawPie(-clockSize*0.02f,
-clockSize*0.02f,
clockSize*0.04f,
clockSize*0.04f,
180*16,
180*16
);
painter.restore();
}
