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| 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 | #ifndef GEOMETRY_H |
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| 27 | #define GEOMETRY_H |
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| 28 | #include <QObject> |
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| 29 | #include <QPainter> |
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| 30 | #include <QDebug> |
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| 31 | #include "mapadapter.h" |
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| 32 | |||
| 33 | namespace qmapcontrol |
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| 34 | { |
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| 35 | class Point; |
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| 36 | //! Main class for objects that should be painted in maps |
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| 37 | /*! |
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| 38 | * Geometry is the root class of the hierarchy. Geometry is an abstract (non-instantiable) class. |
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| 39 | * |
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| 40 | * This class and the derived classes Point, Curve and LineString are leant on the Simple |
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| 41 | * Feature Specification of the Open Geospatial Consortium. |
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| 42 | * @see www.opengeospatial.com |
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| 43 | * |
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| 44 | * @author Kai Winter <kaiwinter@gmx.de> |
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| 45 | */ |
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| 46 | class Geometry : public QObject |
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| 47 | { |
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| 48 | friend class LineString; |
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| 49 | Q_OBJECT |
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| 50 | public: |
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| 51 | explicit Geometry(QString name = QString()); |
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| 52 | virtual ~Geometry(); |
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| 53 | |||
| 54 | QString GeometryType; |
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| 55 | |||
| 56 | //! |
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| 57 | /*! returns true if the given Geometry is equal to this Geometry |
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| 58 | * not implemented yet! |
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| 59 | * @param geom The Geometry to be tested |
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| 60 | * @return true if the given Geometry is equal to this |
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| 61 | */ |
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| 62 | bool Equals(Geometry* geom); |
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| 63 | |||
| 64 | //! returns a String representation of this Geometry |
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| 65 | /*! |
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| 66 | * not implemented yet! |
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| 67 | * @return a String representation of this Geometry |
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| 68 | */ |
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| 69 | QString toString(); |
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| 70 | |||
| 71 | //! returns the name of this Geometry |
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| 72 | /*! |
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| 73 | * @return the name of this Geometry |
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| 74 | */ |
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| 75 | QString name() const; |
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| 76 | |||
| 77 | //! returns the parent Geometry of this Geometry |
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| 78 | /*! |
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| 79 | * A LineString is a composition of many Points. This methods returns the parent (the LineString) of a Point |
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| 80 | * @return the parent Geometry of this Geometry |
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| 81 | */ |
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| 82 | Geometry* parentGeometry() const; |
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| 83 | |||
| 84 | //! returns true if this Geometry is visible |
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| 85 | /*! |
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| 86 | * @return true if this Geometry is visible |
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| 87 | */ |
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| 88 | bool isVisible() const; |
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| 89 | |||
| 90 | //! sets the name of the geometry |
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| 91 | /*! |
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| 92 | * @param name the new name of the geometry |
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| 93 | */ |
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| 94 | void setName(QString name); |
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| 95 | |||
| 96 | //! returns the QPen which is used on drawing |
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| 97 | /*! |
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| 98 | * The pen is set depending on the Geometry. A CirclePoint for example takes one with the constructor. |
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| 99 | * @return the QPen which is used for drawing |
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| 100 | */ |
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| 101 | QPen* pen() const; |
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| 102 | |||
| 103 | //! returns the BoundingBox |
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| 104 | /*! |
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| 105 | * The bounding box in world coordinates |
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| 106 | * @return the BoundingBox |
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| 107 | */ |
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| 108 | virtual QRectF boundingBox()=0; |
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| 109 | virtual bool Touches(Point* geom, const MapAdapter* mapadapter)=0; |
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| 110 | virtual void draw(QPainter* painter, const MapAdapter* mapadapter, const QRect &viewport, const QPoint offset)=0; |
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| 111 | virtual bool hasPoints() const; |
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| 112 | virtual bool hasClickedPoints() const; |
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| 113 | virtual void setPen(QPen* pen); |
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| 114 | virtual QList<Geometry*> clickedPoints(); |
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| 115 | virtual QList<Point*> points()=0; |
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| 116 | |||
| 117 | private: |
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| 118 | Geometry* myparentGeometry; |
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| 119 | Geometry(const Geometry& old); |
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| 120 | Geometry& operator=(const Geometry& rhs); |
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| 121 | |||
| 122 | protected: |
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| 123 | QPen* mypen; |
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| 124 | bool visible; |
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| 125 | QString myname; |
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| 126 | void setParentGeometry(Geometry* geom); |
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| 127 | |||
| 128 | signals: |
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| 129 | void updateRequest(Geometry* geom); |
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| 130 | void updateRequest(QRectF rect); |
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| 131 | //! This signal is emitted when a Geometry is clicked |
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| 132 | /*! |
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| 133 | * A Geometry is clickable, if the containing layer is clickable. |
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| 134 | * The objects emits a signal if it gets clicked |
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| 135 | * @param geometry The clicked Geometry |
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| 136 | * @param point -unused- |
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| 137 | */ |
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| 138 | void geometryClicked(Geometry* geometry, QPoint point); |
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| 139 | |||
| 140 | //! A Geometry emits this signal, when its position gets changed |
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| 141 | /*! |
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| 142 | * @param geom the Geometry |
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| 143 | */ |
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| 144 | void positionChanged(Geometry* geom); |
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| 145 | |||
| 146 | public slots: |
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| 147 | //! if visible is true, the layer is made visible |
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| 148 | /*! |
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| 149 | * @param visible if the layer should be visible |
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| 150 | */ |
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| 151 | virtual void setVisible(bool visible); |
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| 152 | }; |
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| 153 | } |
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| 154 | #endif |