| 0,0 → 1,65 |
|---|
| /* |
| * |
| * 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/ |
| * |
| */ |
| |
| #ifndef CURVE_H |
| #define CURVE_H |
| |
| #include "geometry.h" |
| #include "point.h" |
| |
| namespace qmapcontrol |
| { |
| //! A Curve Geometry, implemented to fullfil OGC Spec |
| /*! |
| * The Curve class is used by LineString as parent class. |
| * This class could not be used directly. |
| * |
| * From the OGC Candidate Implementation Specification: |
| * "A Curve is a 1-dimensional geometric object usually stored as a sequence of Points, with the subtype of Curve |
| * specifying the form of the interpolation between Points. This specification defines only one subclass of Curve, |
| * LineString, which uses a linear interpolation between Points." |
| * @author Kai Winter <kaiwinter@gmx.de> |
| */ |
| class Curve : public Geometry |
| { |
| Q_OBJECT |
| public: |
| virtual ~Curve(); |
| |
| double Length; |
| |
| // virtual Geometry Clone(); |
| // virtual QRectF GetBoundingBox(); |
| |
| // virtual Point EndPoint() = 0; |
| // virtual Point StartPoint() = 0; |
| // virtual Point Value() = 0; |
| |
| protected: |
| Curve(QString name = QString()); |
| virtual void draw(QPainter* painter, const MapAdapter* mapadapter, const QRect &screensize, const QPoint offset) = 0; |
| }; |
| } |
| #endif |