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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 305 | KeyOz | 1 | /* |
| 2 | * |
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| 3 | * This file is part of QMapControl, |
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| 4 | * an open-source cross-platform map widget |
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| 5 | * |
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| 6 | * Copyright (C) 2007 - 2008 Kai Winter |
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| 7 | * |
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| 8 | * This program is free software: you can redistribute it and/or modify |
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| 9 | * it under the terms of the GNU Lesser General Public License as published by |
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| 10 | * the Free Software Foundation, either version 3 of the License, or |
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| 11 | * (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public License |
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| 19 | * along with QMapControl. If not, see <http://www.gnu.org/licenses/>. |
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| 20 | * |
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| 21 | * Contact e-mail: kaiwinter@gmx.de |
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| 22 | * Program URL : http://qmapcontrol.sourceforge.net/ |
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| 23 | * |
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| 24 | */ |
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| 25 | |||
| 26 | #include "linestring.h" |
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| 27 | namespace qmapcontrol |
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| 28 | { |
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| 29 | LineString::LineString() |
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| 30 | : Curve() |
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| 31 | { |
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| 32 | GeometryType = "LineString"; |
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| 33 | } |
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| 34 | |||
| 35 | LineString::LineString(QList<Point*> const points, QString name, QPen* pen) |
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| 36 | :Curve(name) |
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| 37 | { |
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| 38 | mypen = pen; |
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| 39 | LineString(); |
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| 40 | setPoints(points); |
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| 41 | } |
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| 42 | |||
| 43 | LineString::~LineString() |
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| 44 | { |
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| 45 | } |
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| 46 | |||
| 47 | // Geometry LineString::Clone(){} |
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| 48 | |||
| 49 | // Point LineString::EndPoint(){} |
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| 50 | // Point LineString::StartPoint(){} |
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| 51 | // Point LineString::Value(){} |
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| 52 | |||
| 53 | |||
| 54 | void LineString::addPoint(Point* point) |
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| 55 | { |
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| 56 | vertices.append(point); |
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| 57 | } |
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| 58 | |||
| 59 | QList<Point*> LineString::points() |
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| 60 | { |
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| 61 | return vertices; |
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| 62 | } |
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| 63 | |||
| 64 | void LineString::setPoints(QList<Point*> points) |
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| 65 | { |
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| 66 | for (int i=0; i<points.size(); i++) |
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| 67 | { |
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| 68 | points.at(i)->setParentGeometry(this); |
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| 69 | } |
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| 70 | vertices = points; |
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| 71 | } |
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| 72 | |||
| 73 | void LineString::draw(QPainter* painter, const MapAdapter* mapadapter, const QRect &screensize, const QPoint offset) |
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| 74 | { |
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| 75 | if (!visible) |
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| 76 | return; |
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| 77 | |||
| 78 | QPolygon p = QPolygon(); |
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| 79 | |||
| 80 | QPointF c; |
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| 81 | for (int i=0; i<vertices.size(); i++) |
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| 82 | { |
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| 83 | c = vertices[i]->coordinate(); |
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| 84 | p.append(mapadapter->coordinateToDisplay(c)); |
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| 85 | } |
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| 86 | if (mypen != 0) |
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| 87 | { |
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| 88 | painter->save(); |
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| 89 | painter->setPen(*mypen); |
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| 90 | } |
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| 91 | painter->drawPolyline(p); |
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| 92 | if (mypen != 0) |
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| 93 | { |
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| 94 | painter->restore(); |
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| 95 | } |
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| 96 | for (int i=0; i<vertices.size(); i++) |
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| 97 | { |
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| 98 | vertices[i]->draw(painter, mapadapter, screensize, offset); |
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| 99 | } |
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| 100 | } |
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| 101 | |||
| 102 | int LineString::numberOfPoints() const |
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| 103 | { |
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| 104 | return vertices.count(); |
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| 105 | } |
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| 106 | bool LineString::Touches(Point* geom, const MapAdapter* mapadapter) |
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| 107 | { |
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| 108 | // qDebug() << "LineString::Touches Point"; |
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| 109 | touchedPoints.clear(); |
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| 110 | bool touches = false; |
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| 111 | for (int i=0; i<vertices.count(); i++) |
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| 112 | { |
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| 113 | // use implementation from Point |
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| 114 | if (vertices.at(i)->Touches(geom, mapadapter)) |
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| 115 | { |
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| 116 | touchedPoints.append(vertices.at(i)); |
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| 117 | |||
| 118 | touches = true; |
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| 119 | } |
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| 120 | } |
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| 121 | if (touches) |
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| 122 | { |
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| 123 | emit(geometryClicked(this, QPoint(0,0))); |
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| 124 | } |
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| 125 | return touches; |
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| 126 | } |
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| 127 | bool LineString::Touches(Geometry* /*geom*/, const MapAdapter* /*mapadapter*/) |
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| 128 | { |
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| 129 | // qDebug() << "LineString::Touches Geom"; |
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| 130 | touchedPoints.clear(); |
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| 131 | |||
| 132 | return false; |
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| 133 | } |
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| 134 | |||
| 135 | QList<Geometry*> LineString::clickedPoints() |
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| 136 | { |
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| 137 | return touchedPoints; |
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| 138 | } |
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| 139 | bool LineString::hasPoints() const |
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| 140 | { |
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| 141 | return vertices.size() > 0 ? true : false; |
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| 142 | } |
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| 143 | bool LineString::hasClickedPoints() const |
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| 144 | { |
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| 145 | return touchedPoints.size() > 0 ? true : false; |
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| 146 | } |
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| 147 | |||
| 148 | QRectF LineString::boundingBox() |
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| 149 | { |
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| 150 | qreal minlon=180; |
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| 151 | qreal maxlon=-180; |
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| 152 | qreal minlat=90; |
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| 153 | qreal maxlat=-90; |
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| 154 | for (int i=0; i<vertices.size(); i++) |
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| 155 | { |
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| 156 | Point* tmp = vertices.at(i); |
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| 157 | if (tmp->longitude() < minlon) minlon = tmp->longitude(); |
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| 158 | if (tmp->longitude() > maxlon) maxlon = tmp->longitude(); |
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| 159 | if (tmp->latitude() < minlat) minlat = tmp->latitude(); |
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| 160 | if (tmp->latitude() > maxlat) maxlat = tmp->latitude(); |
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| 161 | } |
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| 162 | QPointF min = QPointF(minlon, minlat); |
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| 163 | QPointF max = QPointF(maxlon, maxlat); |
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| 164 | QPointF dist = max - min; |
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| 165 | QSizeF si = QSizeF(dist.x(), dist.y()); |
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| 166 | |||
| 167 | return QRectF(min, si); |
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| 168 | |||
| 169 | } |
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| 170 | } |