void SpiralShape::createPath(const QSizeF &size)
{
Q_UNUSED(size);
clear();
QPointF center = QPointF(m_radii.x() / 2.0, m_radii.y() / 2.0);
//moveTo(QPointF(size.width(), m_radii.y()));
qreal adv_ang = (m_clockwise ? -1.0 : 1.0) * M_PI_2;
// radius of first segment is non-faded radius:
qreal m_radius = m_radii.x() / 2.0;
qreal r = m_radius;
QPointF oldP(center.x(), (m_clockwise ? -1.0 : 1.0) * m_radius + center.y());
QPointF newP;
QPointF newCenter(center);
moveTo(oldP);
uint m_segments = 10;
//m_handles[0] = oldP;
for (uint i = 0; i < m_segments; ++i) {
newP.setX(r * cos(adv_ang * (i + 2)) + newCenter.x());
newP.setY(r * sin(adv_ang * (i + 2)) + newCenter.y());
if (m_type == Curve) {
qreal rx = qAbs(oldP.x() - newP.x());
qreal ry = qAbs(oldP.y() - newP.y());
if (m_clockwise) {
arcTo(rx, ry, ((i + 1) % 4) * 90, 90);
} else {
arcTo(rx, ry, 360 - ((i + 1) % 4) * 90, -90);
}
} else {
lineTo(newP);
}
newCenter += (newP - newCenter) * (1.0 - m_fade);
oldP = newP;
r *= m_fade;
}
//m_handles[1] = QPointF(center.x(), (m_clockwise ? -1.0 : 1.0) * m_radius + center.y());
m_points = *m_subpaths[0];
}
Point Point::setXY(const Point &p) {
Point oldP(getX(), getY()); // save old values
xc = p.getX(); // set new values
yc = p.getY();
return oldP;
}
Point Point::move(const Point &p) {
Point oldP(getX(), getY()); // save old values
xc += p.getX(); // add new values
yc += p.getY();
return oldP;
}
Point Point::setXY(float newX, float newY) {
Point oldP(xc,yc); // save old values
xc=newX; // set new values
yc=newY;
return oldP;
}
