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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 GEOMETRYLAYER_H |
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| 27 | #define GEOMETRYLAYER_H |
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| 28 | |||
| 29 | #include "layer.h" |
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| 30 | |||
| 31 | namespace qmapcontrol |
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| 32 | { |
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| 33 | //! GeometryLayer class |
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| 34 | /*! |
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| 35 | * There are two different layer types: |
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| 36 | * - MapLayer: Displays Maps, but also Geometries. The configuration for displaying maps have to be done in the MapAdapter |
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| 37 | * - GeometryLayer: Only displays Geometry objects. |
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| 38 | * |
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| 39 | * MapLayers also can display Geometry objects. The difference to the GeometryLayer is the repainting. Objects that are |
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| 40 | * added to a MapLayer are "baken" on the map. This means, when you change it´s position for example the changes are |
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| 41 | * not visible until a new offscreen image has been drawn. If you have "static" Geometries which won´t change their |
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| 42 | * position this is fine. But if you want to change the objects position or pen you should use a GeometryLayer. Those |
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| 43 | * are repainted immediately on changes. |
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| 44 | * |
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| 45 | * @author Kai Winter <kaiwinter@gmx.de> |
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| 46 | */ |
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| 47 | class GeometryLayer : public Layer |
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| 48 | { |
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| 49 | Q_OBJECT |
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| 50 | |||
| 51 | public: |
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| 52 | //! GeometryLayer constructor |
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| 53 | /*! |
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| 54 | * This is used to construct a map layer. |
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| 55 | * |
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| 56 | * @param layername The name of the Layer |
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| 57 | * @param mapadapter The MapAdapter which does coordinate translation and Query-String-Forming |
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| 58 | * @param takeevents Should the Layer receive MouseEvents? This is set to true by default. Setting it to false could |
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| 59 | * be something like a "speed up hint" |
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| 60 | */ |
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| 61 | GeometryLayer(QString layername, MapAdapter* mapadapter, bool takeevents=true); |
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| 62 | virtual ~GeometryLayer(); |
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| 63 | }; |
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| 64 | } |
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| 65 | #endif |