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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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#include "yahoomapadapter.h"
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namespace qmapcontrol
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{
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    YahooMapAdapter::YahooMapAdapter()
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        : TileMapAdapter("png.maps.yimg.com", "/png?v=3.1.0&x=%2&y=%3&z=%1", 256, 17,0)
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    {
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        int zoom = max_zoom < min_zoom ? min_zoom - current_zoom : current_zoom;
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        numberOfTiles = pow(2, zoom+1);
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    }
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    YahooMapAdapter::YahooMapAdapter(QString host, QString url)
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        : TileMapAdapter(host, url, 256, 17,0)
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    {
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        int zoom = max_zoom < min_zoom ? min_zoom - current_zoom : current_zoom;
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        numberOfTiles = pow(2, zoom+1);
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    }
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    YahooMapAdapter::~YahooMapAdapter()
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    {
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    }
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    bool YahooMapAdapter::isValid(int /*x*/, int /*y*/, int /*z*/) const
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    {
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        return true;
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    }
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    int YahooMapAdapter::tilesonzoomlevel(int zoomlevel) const
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    {
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        return int(pow(2, zoomlevel+1));
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    }
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    int YahooMapAdapter::yoffset(int y) const
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    {
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        int zoom = max_zoom < min_zoom ? min_zoom - current_zoom : current_zoom;
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        int tiles = int(pow(2, zoom));
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        y = y*(-1)+tiles-1;
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        return int(y);
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    }
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}