wmsmapadapter.cpp

/*
*
* 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/
*
*/

#include "wmsmapadapter.h"
namespace qmapcontrol
{
	WMSMapAdapter::WMSMapAdapter(QString host, QString serverPath, int tilesize)
	: MapAdapter(host, serverPath, tilesize, 0, 17)
	{
// 	param1 = serverPath.indexOf("%1");
// 	param2 = serverPath.indexOf("%2");
// 	param3 = serverPath.indexOf("%3");
// 	param4 = serverPath.indexOf("%4");
// 	param5 = serverPath.indexOf("%5");
// 	param6 = serverPath.lastIndexOf("%5");
	
// 	this->serverPath = serverPath.replace(param6, 2, QString().setNum(tilesize)).replace(param5, 2, QString().setNum(tilesize));
	
// 	sub1 = serverPath.mid(0, param1);
// 	sub2 = serverPath.mid(param1+2, param2-param1-2);
// 	sub3 = serverPath.mid(param2+2, param3-param2-2);
// 	sub4 = serverPath.mid(param3+2, param4-param3-2);
// 	sub5 = serverPath.mid(param4+2);
	
		this->serverPath.append("&WIDTH=").append(loc.toString(tilesize))
				.append("&HEIGHT=").append(loc.toString(tilesize))
				.append("&BBOX=");
		numberOfTiles = pow(2, current_zoom);
		coord_per_x_tile = 360. / numberOfTiles;
		coord_per_y_tile = 180. / numberOfTiles;
	}


	WMSMapAdapter::~WMSMapAdapter()
	{
	}

	QPoint WMSMapAdapter::coordinateToDisplay(const QPointF& coordinate) const
	{
		qreal x = (coordinate.x()+180) * (numberOfTiles*mytilesize)/360.;		// coord to pixel!
		qreal y = -1*(coordinate.y()-90) * (numberOfTiles*mytilesize)/180.;	// coord to pixel!
		return QPoint(int(x), int(y));
	}
	QPointF WMSMapAdapter::displayToCoordinate(const QPoint& point) const
	{
		qreal lon = (point.x()*(360./(numberOfTiles*mytilesize)))-180;
		qreal lat = -(point.y()*(180./(numberOfTiles*mytilesize)))+90;
		return QPointF(lon, lat);
	}
	void WMSMapAdapter::zoom_in()
	{
		current_zoom+=1;
		numberOfTiles = pow(2, current_zoom);
		coord_per_x_tile = 360. / numberOfTiles;
		coord_per_y_tile = 180. / numberOfTiles;
	}
	void WMSMapAdapter::zoom_out()
	{
		current_zoom-=1;
		numberOfTiles = pow(2, current_zoom);
		coord_per_x_tile = 360. / numberOfTiles;
		coord_per_y_tile = 180. / numberOfTiles;
	}

	bool WMSMapAdapter::isValid(int /*x*/, int /*y*/, int /*z*/) const
	{
// 	if (x>0 && y>0 && z>0)
		{
			return true;
		}
// 	return false;
	}
	QString WMSMapAdapter::query(int i, int j, int /*z*/) const
	{
		return getQ(-180+i*coord_per_x_tile,
						 90-(j+1)*coord_per_y_tile,
						-180+i*coord_per_x_tile+coord_per_x_tile,
						 90-(j+1)*coord_per_y_tile+coord_per_y_tile);
	}
	QString WMSMapAdapter::getQ(qreal ux, qreal uy, qreal ox, qreal oy) const
	{
		return QString().append(serverPath)
				.append(loc.toString(ux)).append(",")
				.append(loc.toString(uy)).append(",")
				.append(loc.toString(ox)).append(",")
				.append(loc.toString(oy));
	}
}