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/*
*
* This file is part of QMapControl,
* an open-source cross-platform map widget
*
* Copyright (C) 2007 - 2008 Kai Winter
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with QMapControl. If not, see <http://www.gnu.org/licenses/>.
*
* Contact e-mail: kaiwinter@gmx.de
* Program URL : http://qmapcontrol.sourceforge.net/
*
*/
#include "linestring.h"
namespace qmapcontrol
{
LineString::LineString()
: Curve()
{
GeometryType = "LineString";
}
LineString::LineString(QList<Point*> const points, QString name, QPen* pen)
:Curve(name)
{
mypen = pen;
LineString();
setPoints(points);
}
LineString::~LineString()
{
}
// Geometry LineString::Clone(){}
// Point LineString::EndPoint(){}
// Point LineString::StartPoint(){}
// Point LineString::Value(){}
void LineString::addPoint(Point* point)
{
vertices.append(point);
}
QList<Point*> LineString::points()
{
return vertices;
}
void LineString::setPoints(QList<Point*> points)
{
for (int i=0; i<points.size(); i++)
{
points.at(i)->setParentGeometry(this);
}
vertices = points;
}
void LineString::draw(QPainter* painter, const MapAdapter* mapadapter, const QRect &screensize, const QPoint offset)
{
if (!visible)
return;
QPolygon p = QPolygon();
QPointF c;
for (int i=0; i<vertices.size(); i++)
{
c = vertices[i]->coordinate();
p.append(mapadapter->coordinateToDisplay(c));
}
if (mypen != 0)
{
painter->save();
painter->setPen(*mypen);
}
painter->drawPolyline(p);
if (mypen != 0)
{
painter->restore();
}
for (int i=0; i<vertices.size(); i++)
{
vertices[i]->draw(painter, mapadapter, screensize, offset);
}
}
int LineString::numberOfPoints() const
{
return vertices.count();
}
bool LineString::Touches(Point* geom, const MapAdapter* mapadapter)
{
// qDebug() << "LineString::Touches Point";
touchedPoints.clear();
bool touches = false;
for (int i=0; i<vertices.count(); i++)
{
// use implementation from Point
if (vertices.at(i)->Touches(geom, mapadapter))
{
touchedPoints.append(vertices.at(i));
touches = true;
}
}
if (touches)
{
emit(geometryClicked(this, QPoint(0,0)));
}
return touches;
}
bool LineString::Touches(Geometry* /*geom*/, const MapAdapter* /*mapadapter*/)
{
// qDebug() << "LineString::Touches Geom";
touchedPoints.clear();
return false;
}
QList<Geometry*> LineString::clickedPoints()
{
return touchedPoints;
}
bool LineString::hasPoints() const
{
return vertices.size() > 0 ? true : false;
}
bool LineString::hasClickedPoints() const
{
return touchedPoints.size() > 0 ? true : false;
}
QRectF LineString::boundingBox()
{
qreal minlon=180;
qreal maxlon=-180;
qreal minlat=90;
qreal maxlat=-90;
for (int i=0; i<vertices.size(); i++)
{
Point* tmp = vertices.at(i);
if (tmp->longitude() < minlon) minlon = tmp->longitude();
if (tmp->longitude() > maxlon) maxlon = tmp->longitude();
if (tmp->latitude() < minlat) minlat = tmp->latitude();
if (tmp->latitude() > maxlat) maxlat = tmp->latitude();
}
QPointF min = QPointF(minlon, minlat);
QPointF max = QPointF(maxlon, maxlat);
QPointF dist = max - min;
QSizeF si = QSizeF(dist.x(), dist.y());
return QRectF(min, si);
}
}