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Diffstat (limited to 'src/location/maps/tiled/makepoly_p.h')
| -rw-r--r-- | src/location/maps/tiled/makepoly_p.h | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/src/location/maps/tiled/makepoly_p.h b/src/location/maps/tiled/makepoly_p.h deleted file mode 100644 index d8b3a852..00000000 --- a/src/location/maps/tiled/makepoly_p.h +++ /dev/null @@ -1,138 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.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 Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef MAKEPOLY_P_H -#define MAKEPOLY_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include "qgeotiledmapdata.h" -#include "qgeotiledmapdata_p.h" -#include "qgeocoordinate.h" - -#include <QList> -#include <QPolygonF> -#include <QGraphicsPolygonItem> - -QT_BEGIN_NAMESPACE - -// TODO: replace boolean parameter by enum -static inline void makepoly(QPolygonF &points, const QList<QGeoCoordinate> & path, const QGeoTiledMapDataPrivate * mapData, bool closedPath, qreal ypole = -100) -{ - points.clear(); - - QGeoCoordinate lastCoord = closedPath ? path.last() : path.first(); - QPointF lastPoint = mapData->q_ptr->coordinateToWorldPixel(lastCoord); - - int width = mapData->maxZoomSize.width(); - - for (int i = 0; i < path.size(); ++i) { - const QGeoCoordinate &coord = path.at(i); - - if (!coord.isValid()) - continue; - - const qreal lng = coord.longitude(); - const qreal lastLng = lastCoord.longitude(); - - // is the dateline crossed = different sign AND gap is large enough - const bool crossesDateline = lastLng * lng < 0 && abs(lastLng - lng) > 180; - - // calculate base point - QPointF point = mapData->q_ptr->coordinateToWorldPixel(coord); - - // if the dateline is crossed, draw "around" the map over the chosen pole - if (crossesDateline) { - // is the shortest route east = dateline crossed XOR longitude is east by simple comparison - const bool goesEast = crossesDateline != (lng > lastLng); - // direction = positive if east, negative otherwise - const qreal dir = goesEast ? 1 : -1; - - // lastPoint on this side - const QPointF & L = lastPoint; - - // point on the other side - const QPointF & P = point; - - // lastPoint on the other side - QPointF L_ = L - QPointF(width * dir, 0); - - // point on this side - QPointF P_ = P + QPointF(width * dir, 0); - - // TODO: make a better algorithm to make sure the off-screen points P' and L' are far enough from the dateline so the lines to the poles don't flicker through. - // this works for now :) - L_ += (L_ - P) * 7; - P_ += (P_ - L) * 7; - - // pole point on this side - QPointF O1 = QPointF(P_.x(), ypole); - // pole point on the other side - QPointF O2 = QPointF(L_.x(), ypole); - - //points.append(L); // implicit - points.append(P_); // P' - points.append(O1); - points.append(O2); - points.append(L_); // L' - points.append(P); - } else { - // add point to polygon - points.append(point); - } - - lastCoord = coord; - lastPoint = point; - } -} - -QT_END_NAMESPACE - -#endif //MAKEPOLY_P_H |