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/***************************************************************************
* Copyright (C) gempa GmbH *
* All rights reserved. *
* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
* *
* GNU Affero General Public License Usage *
* This file may be used under the terms of the GNU Affero *
* Public License version 3.0 as published by the Free Software Foundation *
* and appearing in the file LICENSE included in the packaging of this *
* file. Please review the following information to ensure the GNU Affero *
* Public License version 3.0 requirements will be met: *
* https://www.gnu.org/licenses/agpl-3.0.html. *
* *
* Other Usage *
* Alternatively, this file may be used in accordance with the terms and *
* conditions contained in a signed written agreement between you and *
* gempa GmbH. *
***************************************************************************/
#ifndef SEISCOMP_GUI_MAP_PROJECTIONS_MERCATOR_H
#define SEISCOMP_GUI_MAP_PROJECTIONS_MERCATOR_H
#include <QImage>
#include <seiscomp/gui/map/mapwidget.h>
#include <seiscomp/gui/map/projections/rectangular.h>
namespace Seiscomp {
namespace Gui {
namespace Map {
class SC_GUI_API MercatorProjection : public RectangularProjection {
// ----------------------------------------------------------------------
// X'struction
// ----------------------------------------------------------------------
public:
MercatorProjection();
// ----------------------------------------------------------------------
// Public interface
// ----------------------------------------------------------------------
public:
virtual bool isRectangular() const;
virtual bool project(QPoint &screenCoords, const QPointF &geoCoords) const;
virtual bool unproject(QPointF &geoCoords, const QPoint &screenCoords) const;
virtual void centerOn(const QPointF &geoCoords);
virtual QPointF gridDistance() const;
virtual void drawImage(QImage &buffer, const QRectF &geoReference,
const QImage &image,
bool highQuality, CompositionMode compositionMode);
virtual bool project(QPainterPath &screenPath, size_t n,
const Geo::GeoCoordinate *poly, bool closed,
uint minPixelDist, ClipHint hint = NoClip) const;
protected:
template <typename PROC>
void render(QImage &img, TextureCache *cache);
void render(QImage &img, bool highQuality, TextureCache *cache);
void projectUnwrapped(QPoint &screenCoords, const QPointF &geoCoords) const;
protected:
QRect _windowRect;
QRect _clipRect;
qreal _centerY;
bool _discreteSteps;
};
}
}
}
#endif