/usr/include/marble/MercatorProjection.h is in libmarble-dev 4:4.8.2-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | //
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2007 Inge Wallin <ingwa@kde.org>
// Copyright 2007-2009 Torsten Rahn <rahn@kde.org>
//
#ifndef MARBLE_MERCATORPROJECTION_H
#define MARBLE_MERCATORPROJECTION_H
/** @file
* This file contains the headers for MercatorProjection.
*
* @author Inge Wallin <inge@lysator.liu.se>
* @author Torsten Rahn <rahn@kde.org>
*/
#include "AbstractProjection.h"
namespace Marble
{
class MercatorProjectionPrivate;
/**
* @short A class to implement the Mercator projection.
*/
class MercatorProjection : public AbstractProjection
{
// Not a QObject so far because we don't need to send signals.
public:
/**
* @brief Construct a new MercatorProjection.
*/
MercatorProjection();
virtual ~MercatorProjection();
virtual bool repeatableX() const;
virtual qreal maxValidLat() const;
virtual qreal minValidLat() const;
virtual bool traversablePoles() const { return false; }
virtual bool traversableDateLine() const { return false; }
virtual SurfaceType surfaceType() const { return Cylindrical; }
virtual PreservationType preservationType() const { return Conformal; }
/**
* @brief Get the screen coordinates corresponding to geographical coordinates in the map.
* @param lon the lon coordinate of the requested pixel position
* @param lat the lat coordinate of the requested pixel position
* @param x the x coordinate of the pixel is returned through this parameter
* @param y the y coordinate of the pixel is returned through this parameter
* @return @c true if the geographical coordinates are visible on the screen
* @c false if the geographical coordinates are not visible on the screen
*/
bool screenCoordinates( const qreal lon, const qreal lat,
const ViewportParams *params,
qreal& x, qreal& y ) const;
bool screenCoordinates( const GeoDataCoordinates &coordinates,
const ViewportParams *params,
qreal &x, qreal &y, bool &globeHidesPoint ) const;
bool screenCoordinates( const GeoDataCoordinates &coordinates,
const ViewportParams * viewport,
qreal *x, qreal &y, int &pointRepeatNum,
const QSizeF& size,
bool &globeHidesPoint ) const;
/**
* @brief Get the earth coordinates corresponding to a pixel in the map.
*
* If the pixel (x, y) is outside the globe, only @p lon will be calculated,
* and lat will be unchanged.
*
* @param x the x coordinate of the pixel
* @param y the y coordinate of the pixel
* @param lon the longitude angle is returned through this parameter
* @param lat the latitude angle is returned through this parameter
* @return @c true if the pixel (x, y) is within the globe
* @c false if the pixel (x, y) is outside the globe, i.e. in space.
*/
bool geoCoordinates( const int x, const int y,
const ViewportParams *params,
qreal& lon, qreal& lat,
GeoDataCoordinates::Unit = GeoDataCoordinates::Degree ) const;
GeoDataLatLonAltBox latLonAltBox( const QRect &screenRect,
const ViewportParams *viewport ) const;
bool mapCoversViewport( const ViewportParams *viewport ) const;
virtual QPainterPath mapShape( const ViewportParams *viewport ) const;
private:
Q_DISABLE_COPY( MercatorProjection )
MercatorProjectionPrivate * d;
};
}
#endif
|