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/*
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*
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* This file is part of QMapControl,
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* an open-source cross-platform map widget
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*
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* Copyright (C) 2007 - 2008 Kai Winter
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with QMapControl. If not, see <http://www.gnu.org/licenses/>.
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*
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* Contact e-mail: kaiwinter@gmx.de
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* Program URL   : http://qmapcontrol.sourceforge.net/
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*
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*/
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#ifndef WMSMAPADAPTER_H
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#define WMSMAPADAPTER_H
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#include "mapadapter.h"
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namespace qmapcontrol
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{
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    //! MapAdapter for WMS servers
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    /*!
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     * Use this derived MapAdapter to display maps from WMS servers
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     *  @author Kai Winter <kaiwinter@gmx.de>
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     */
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    class WMSMapAdapter : public MapAdapter
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    {
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    public:
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        //! constructor
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        /*!
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         * Sample of a correct initialization of a MapAdapter:<br/>
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         * MapAdapter* mapadapter = new WMSMapAdapter("www2.demis.nl", "/wms/wms.asp?wms=WorldMap[...]&BBOX=%1,%2,%3,%4&WIDTH=%5&HEIGHT=%5&TRANSPARENT=TRUE", 256);<br/>
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         * The placeholders %1, %2, %3, %4 creates the bounding box, %5 is for the tilesize
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         * The minZoom is 0 (means the whole world is visible). The maxZoom is 17 (means it is zoomed in to the max)
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         * @param host The servers URL
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         * @param serverPath The path to the tiles with placeholders
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         * @param tilesize the size of the tiles
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         */
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        WMSMapAdapter(QString host, QString serverPath, int tilesize = 256);
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        virtual ~WMSMapAdapter();
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        virtual QPoint coordinateToDisplay(const QPointF&) const;
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        virtual QPointF displayToCoordinate(const QPoint&) const;
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    protected:
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        virtual void zoom_in();
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        virtual void zoom_out();
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        virtual QString query(int x, int y, int z) const;
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        virtual bool isValid(int x, int y, int z) const;
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    private:
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        virtual QString getQ(qreal ux, qreal uy, qreal ox, qreal oy) const;
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        qreal coord_per_x_tile;
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        qreal coord_per_y_tile;
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    };
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}
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#endif