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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 CURVE_H |
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| 27 | #define CURVE_H |
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| 28 | |||
| 29 | #include "geometry.h" |
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| 30 | #include "point.h" |
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| 31 | |||
| 32 | namespace qmapcontrol |
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| 33 | { |
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| 34 | //! A Curve Geometry, implemented to fullfil OGC Spec |
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| 35 | /*! |
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| 36 | * The Curve class is used by LineString as parent class. |
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| 37 | * This class could not be used directly. |
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| 38 | * |
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| 39 | * From the OGC Candidate Implementation Specification: |
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| 40 | * "A Curve is a 1-dimensional geometric object usually stored as a sequence of Points, with the subtype of Curve |
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| 41 | * specifying the form of the interpolation between Points. This specification defines only one subclass of Curve, |
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| 42 | * LineString, which uses a linear interpolation between Points." |
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| 43 | * @author Kai Winter <kaiwinter@gmx.de> |
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| 44 | */ |
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| 45 | class Curve : public Geometry |
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| 46 | { |
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| 47 | Q_OBJECT |
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| 48 | public: |
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| 49 | virtual ~Curve(); |
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| 50 | |||
| 51 | double Length; |
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| 52 | |||
| 53 | // virtual Geometry Clone(); |
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| 54 | // virtual QRectF GetBoundingBox(); |
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| 55 | |||
| 56 | // virtual Point EndPoint() = 0; |
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| 57 | // virtual Point StartPoint() = 0; |
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| 58 | // virtual Point Value() = 0; |
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| 59 | |||
| 60 | protected: |
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| 61 | Curve(QString name = QString()); |
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| 62 | virtual void draw(QPainter* painter, const MapAdapter* mapadapter, const QRect &screensize, const QPoint offset) = 0; |
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| 63 | }; |
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| 64 | } |
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| 65 | #endif |