138 lines
3.1 KiB
C++
138 lines
3.1 KiB
C++
#include "VirtualMarginLine.h"
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#include <math.h>
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namespace mapcontrol {
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VirtualMarginLine::VirtualMarginLine(VirtualMargin *from, VirtualMargin *to, MapGraphicItem *map, QColor color, bool dashed, int width ) : QGraphicsLineItem(map),
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source(from), destination(to), my_map(map), myColor(color), dashed(dashed), lineWidth(width)
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{
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this->setLine(from->pos().x(), from->pos().y(), to->pos().x(), to->pos().y());
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connect(from, SIGNAL(localPositionChanged(QPointF, VirtualMargin *)), this, SLOT(refreshLocations()));
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connect(to, SIGNAL(localPositionChanged(QPointF, VirtualMargin *)), this, SLOT(refreshLocations()));
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connect(from, SIGNAL(aboutToBeDeleted(VirtualMargin *)), this, SLOT(waypointdeleted()));
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connect(to, SIGNAL(aboutToBeDeleted(VirtualMargin *)), this, SLOT(waypointdeleted()));
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this->setZValue(10);
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connect(map, SIGNAL(childSetOpacity(qreal)), this, SLOT(setOpacitySlot(qreal)));
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isEdit = true;
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//qDebug() << "virtual line create";
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//qDebug() << this->pos();
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lineWidth = 5;
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}
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int VirtualMarginLine::type() const
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{
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// Enable the use of qgraphicsitem_cast with this item.
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return Type;
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}
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QPainterPath VirtualMarginLine::shape() const
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{
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QPainterPath path = QGraphicsLineItem::shape();
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path.addPolygon(arrowHead);
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return path;
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}
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void VirtualMarginLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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Q_UNUSED(option);
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Q_UNUSED(widget);
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//qDebug() << "virtual line update";
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QPen myPen = pen();
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myPen.setColor(myColor);
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//qreal arrowSize = 10;
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painter->setPen(myPen);
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/*
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if(isEdit == false)
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{
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painter->setBrush(myColor);
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}
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*/
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double angle = ::acos(line().dx() / line().length());
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if (line().dy() >= 0) {
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angle = (M_PI * 2) - angle;
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}
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/*
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QPointF arrowP1 = line().pointAt(0.5) + QPointF(sin(angle + M_PI / 3) * arrowSize,
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cos(angle + M_PI / 3) * arrowSize);
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QPointF arrowP2 = line().pointAt(0.5) + QPointF(sin(angle + M_PI - M_PI / 3) * arrowSize,
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cos(angle + M_PI - M_PI / 3) * arrowSize);
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arrowHead.clear();
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arrowHead << line().pointAt(0.5) << arrowP1 << arrowP2;
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painter->drawPolygon(arrowHead);
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*/
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if (dashed) {
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QVector<qreal> dashes;
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dashes << 4 << 8;
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myPen.setDashPattern(dashes);
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}
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myPen.setWidth(lineWidth);
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painter->setPen(myPen);
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painter->drawLine(line());
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}
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void VirtualMarginLine::setEdit(bool value)
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{
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isEdit = value;
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}
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void VirtualMarginLine::refreshLocations()
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{
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//qDebug() << "reflush location";
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this->setLine(source->pos().x(), source->pos().y(),
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destination->pos().x(), destination->pos().y());
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}
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void VirtualMarginLine::waypointdeleted()
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{
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this->deleteLater();
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}
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void VirtualMarginLine::WPLinedelete(VirtualMargin *from, VirtualMargin *to)
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{
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Q_UNUSED(from)
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Q_UNUSED(to)
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this->deleteLater();
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}
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void VirtualMarginLine::setOpacitySlot(qreal opacity)
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{
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setOpacity(opacity);
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}
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}
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