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