QScriptValue PHIEllipseItem::spanAngle( const QScriptValue &v )
{
if ( !isServerItem() ) return scriptEngine()->undefinedValue();
if ( !v.isValid() ) return realSpanAngle();
setSpanAngle( v.toInt32() );
setDirtyFlag( DFDoNotCache );
return self();
}
void EllipseScatterer::setParamFromWidget( ) {
//QLOG_DEBUG() << "EllipseScatterer::setParamFromWidget";
EllipseParam param = innerState->form.getParam();
setRect( param.rect );
setStartAngle( param.startAngle );
setSpanAngle( param.spanAngle );
setRotationAngle( param.rotationAngle );
paint( state->scene, state->xMin, state->xMax, state->yMin, state->yMax );
}
/**
* @brief WayPointCurve::refreshLocations Update the settings for the
* arc when it is moved or the zoom changes
*/
void WayPointCurve::refreshLocations()
{
double m_n, m_e, p_n, p_e, d, center_x, center_y;
// Center between start and end
m_n = (m_start->pos().x() + m_dest->pos().x()) / 2;
m_e = (m_start->pos().y() + m_dest->pos().y()) / 2;
// Normal vector the line between start and end.
if (!m_clockwise) {
p_n = -(m_dest->pos().y() - m_start->pos().y());
p_e = (m_dest->pos().x() - m_start->pos().x());
} else {
p_n = (m_dest->pos().y() - m_start->pos().y());
p_e = -(m_dest->pos().x() - m_start->pos().x());
}
double radius_sign = (m_radius > 0) ? 1 : -1;
double pixels2meters = my_map->Projection()->GetGroundResolution(my_map->ZoomTotal(), m_start->Coord().Lat());
double radius = fabs(m_radius / pixels2meters);
// Work out how far to go along the perpendicular bisector
d = sqrt(radius * radius / (p_n * p_n + p_e * p_e) - 0.25f);
if (fabs(p_n) < 1e-3 && fabs(p_e) < 1e-3) {
center_x = m_n;
center_y = m_e;
} else {
center_x = m_n + p_n * d * radius_sign;
center_y = m_e + p_e * d * radius_sign;
}
// Store the center
center.setX(center_x);
center.setY(center_y);
// Compute the midpoint along the arc for the arrow
d = sqrt(radius * radius / (p_n * p_n + p_e * p_e));
midpoint.setX(center_x - p_n * d);
midpoint.setY(center_y - p_e * d);
midpoint_angle = -atan2(m_dest->pos().y() - m_start->pos().y(), m_dest->pos().x() - m_start->pos().x());
double startAngle = atan2(-(m_start->pos().y() - center_y), m_start->pos().x() - center_x);
double endAngle = atan2(-(m_dest->pos().y() - center_y), m_dest->pos().x() - center_x);
double span = endAngle - startAngle;
if (!m_clockwise) {
if (span > 0)
span = span - 2 * M_PI;
} else {
if (span < 0)
span = span + 2 * M_PI;
}
setRect(center_x - radius, center_y - radius, 2 * radius, 2 * radius);
setStartAngle(startAngle * 180.0 / M_PI * 16.0);
setSpanAngle(span * 180.0 / M_PI * 16.0);
update();
}
PART_CIRC::PART_CIRC(int i, QRect pos, QColor colFont, double angDeb, double angTaille, QGraphicsScene *s, QString n)
{
scene=s;
id=i;
setBrush(QBrush(colFont));
setRect(pos);
setStartAngle((angDeb)*16);
setSpanAngle(angTaille*16);
if(n!="")
{
nom=n;
nomGraph = new QGraphicsTextItem(nom,this);
nomGraph->setPos(0, pos.height()/2);
nomGraph->setTransformOriginPoint(pos.width()/4,pos.height()/4);
scene->addItem(this);
nomGraph->setRotation(360-(int(angDeb+angTaille/2+180)%360));
nomGraph->setPos(pos.width()/4,pos.height()/4);
}
}
UBGraphicsProtractor::UBGraphicsProtractor()
: QGraphicsEllipseItem(sDefaultRect)
, mCurrentTool(None)
, mShowButtons(false)
, mCurrentAngle(0)
, mSpan(180)
, mStartAngle(0)
, mScaleFactor(1)
, mResetSvgItem(0)
, mResizeSvgItem(0)
, mMarkerSvgItem(0)
{
sFillTransparency = 127;
sDrawTransparency = 192;
create(*this);
setCacheMode(QGraphicsItem::DeviceCoordinateCache);
setStartAngle(0);
setSpanAngle(180 * 16);
mResetSvgItem = new QGraphicsSvgItem(":/images/resetTool.svg", this);
mResetSvgItem->setVisible(false);
mResetSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
mResizeSvgItem = new QGraphicsSvgItem(":/images/resizeTool.svg", this);
mResizeSvgItem->setVisible(false);
mResizeSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
mMarkerSvgItem = new QGraphicsSvgItem(":/images/angleMarker.svg", this);
mMarkerSvgItem->setVisible(false);
mMarkerSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Tool));
mRotateSvgItem = new QGraphicsSvgItem(":/images/rotateTool.svg", this);
mRotateSvgItem->setVisible(false);
mRotateSvgItem->setData(UBGraphicsItemData::ItemLayerType, QVariant(UBItemLayerType::Control));
setData(UBGraphicsItemData::itemLayerType, QVariant(itemLayerType::CppTool)); //Necessary to set if we want z value to be assigned correctly
setFlag(QGraphicsItem::ItemIsSelectable, false);
scale(1.5, 1.5);
}
/*************************************************************************
函数名称：SetSpanAngle(int nAngle)
nAngle：一个跨度角度，坐标系，x方向向右为0度，往逆时针方向角度逐渐变大
函数作用：设置一个跨度角度，获得不同形状的扇形
*************************************************************************/
void QElipseItem::SetSpanAngle(int nAngle) //设置跨度角度，要乘16
{
int nspanAngle = nAngle * 16;
setSpanAngle(nspanAngle);
}
