1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtLocation module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QGEOMAPITEMGEOMETRY_H 38 #define QGEOMAPITEMGEOMETRY_H 39 40 // 41 // W A R N I N G 42 // ------------- 43 // 44 // This file is not part of the Qt API. It exists purely as an 45 // implementation detail. This header file may change from version to 46 // version without notice, or even be removed. 47 // 48 // We mean it. 49 // 50 51 #include <QtLocation/private/qlocationglobal_p.h> 52 53 #include <QPainterPath> 54 #include <QPointF> 55 #include <QRectF> 56 #include <QVector> 57 #include <QGeoCoordinate> 58 #include <QVector2D> 59 #include <QList> 60 61 QT_BEGIN_NAMESPACE 62 63 class QSGGeometry; 64 class QGeoMap; 65 66 class Q_LOCATION_PRIVATE_EXPORT QGeoMapItemGeometry 67 { 68 public: 69 QGeoMapItemGeometry(); 70 virtual ~QGeoMapItemGeometry(); 71 isSourceDirty()72 inline bool isSourceDirty() const { return sourceDirty_; } isScreenDirty()73 inline bool isScreenDirty() const { return screenDirty_; } markSourceDirty()74 inline void markSourceDirty() { sourceDirty_ = true; screenDirty_ = true; } markScreenDirty()75 inline void markScreenDirty() { screenDirty_ = true; clipToViewport_ = true; } markFullScreenDirty()76 inline void markFullScreenDirty() { screenDirty_ = true; clipToViewport_ = false;} markClean()77 inline void markClean() { screenDirty_ = (sourceDirty_ = false); clipToViewport_ = true;} clearScreen()78 inline void clearScreen() { screenDirty_ = false; } 79 80 inline void setPreserveGeometry(bool value, const QGeoCoordinate &geoLeftBound = QGeoCoordinate()) 81 { 82 preserveGeometry_ = value; 83 if (preserveGeometry_) 84 geoLeftBound_ = geoLeftBound; 85 } geoLeftBound()86 inline QGeoCoordinate geoLeftBound() { return geoLeftBound_; } 87 sourceBoundingBox()88 inline QRectF sourceBoundingBox() const { return sourceBounds_; } screenBoundingBox()89 inline QRectF screenBoundingBox() const { return screenBounds_; } clearBounds()90 inline void clearBounds() { sourceBounds_ = screenBounds_ = QRectF(); firstPointOffset_ = QPointF(); } 91 firstPointOffset()92 inline QPointF firstPointOffset() const { return firstPointOffset_; } 93 void translate(const QPointF &offset); 94 origin()95 inline const QGeoCoordinate &origin() const { return srcOrigin_; } 96 screenOutline()97 QPainterPath screenOutline() const { 98 return screenOutline_; 99 } 100 contains(const QPointF & screenPoint)101 virtual bool contains(const QPointF &screenPoint) const { 102 return screenOutline_.contains(screenPoint); 103 } 104 vertex(quint32 index)105 inline QVector2D vertex(quint32 index) const { 106 return QVector2D(screenVertices_[index]); 107 } 108 vertices()109 inline QVector<QPointF> vertices() const { return screenVertices_; } indices()110 inline QVector<quint32> indices() const { return screenIndices_; } 111 isIndexed()112 inline bool isIndexed() const { return (!screenIndices_.isEmpty()); } 113 114 /* Size is # of triangles */ size()115 inline quint32 size() const 116 { 117 if (isIndexed()) 118 return screenIndices_.size() / 3; 119 else 120 return screenVertices_.size() / 3; 121 } 122 clear()123 inline void clear() { firstPointOffset_ = QPointF(0,0); 124 screenVertices_.clear(); screenIndices_.clear(); } 125 126 void allocateAndFill(QSGGeometry *geom) const; 127 128 double geoDistanceToScreenWidth(const QGeoMap &map, 129 const QGeoCoordinate &fromCoord, 130 const QGeoCoordinate &toCoord); 131 132 static QRectF translateToCommonOrigin(const QList<QGeoMapItemGeometry *> &geoms); 133 134 mutable bool m_dataChanged = false; 135 136 private: 137 QGeoMapItemGeometry(const QGeoMapItemGeometry &other); // Or else it may crash on copy 138 QGeoMapItemGeometry &operator= (const QGeoMapItemGeometry & other); // Or else it may crash on copy 139 140 protected: 141 bool sourceDirty_; 142 bool screenDirty_; 143 bool clipToViewport_; 144 bool preserveGeometry_; 145 QGeoCoordinate geoLeftBound_; 146 147 QPointF firstPointOffset_; 148 149 QPainterPath screenOutline_; 150 151 QRectF sourceBounds_; 152 QRectF screenBounds_; 153 154 QGeoCoordinate srcOrigin_; 155 156 QVector<QPointF> screenVertices_; 157 QVector<quint32> screenIndices_; 158 }; 159 160 QT_END_NAMESPACE 161 162 #endif // QGEOMAPITEMGEOMETRY_H 163