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Diffstat (limited to 'src/location/quickmapitems/qgeomapitemgeometry_p.h')
| -rw-r--r-- | src/location/quickmapitems/qgeomapitemgeometry_p.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/location/quickmapitems/qgeomapitemgeometry_p.h b/src/location/quickmapitems/qgeomapitemgeometry_p.h new file mode 100644 index 00000000..b6c4a515 --- /dev/null +++ b/src/location/quickmapitems/qgeomapitemgeometry_p.h @@ -0,0 +1,164 @@ +/**************************************************************************** + ** + ** Copyright (C) 2022 The Qt Company Ltd. + ** Contact: https://www.qt.io/licensing/ + ** + ** This file is part of the QtLocation module of the Qt Toolkit. + ** + ** $QT_BEGIN_LICENSE:LGPL$ + ** Commercial License Usage + ** Licensees holding valid commercial Qt licenses may use this file in + ** accordance with the commercial license agreement provided with the + ** Software or, alternatively, in accordance with the terms contained in + ** a written agreement between you and The Qt Company. For licensing terms + ** and conditions see https://www.qt.io/terms-conditions. For further + ** information use the contact form at https://www.qt.io/contact-us. + ** + ** GNU Lesser General Public License Usage + ** Alternatively, this file may be used under the terms of the GNU Lesser + ** General Public License version 3 as published by the Free Software + ** Foundation and appearing in the file LICENSE.LGPL3 included in the + ** packaging of this file. Please review the following information to + ** ensure the GNU Lesser General Public License version 3 requirements + ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. + ** + ** GNU General Public License Usage + ** Alternatively, this file may be used under the terms of the GNU + ** General Public License version 2.0 or (at your option) the GNU General + ** Public license version 3 or any later version approved by the KDE Free + ** Qt Foundation. The licenses are as published by the Free Software + ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 + ** included in the packaging of this file. Please review the following + ** information to ensure the GNU General Public License requirements will + ** be met: https://www.gnu.org/licenses/gpl-2.0.html and + ** https://www.gnu.org/licenses/gpl-3.0.html. + ** + ** $QT_END_LICENSE$ + ** + ****************************************************************************/ + +#ifndef QGEOMAPITEMGEOMETRY_H +#define QGEOMAPITEMGEOMETRY_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 <QtLocation/private/qlocationglobal_p.h> + +#include <QPainterPath> +#include <QPointF> +#include <QRectF> +#include <QList> +#include <QGeoCoordinate> +#include <QVector2D> +#include <QList> + +QT_BEGIN_NAMESPACE + +class QSGGeometry; +class QGeoMap; + +class Q_LOCATION_PRIVATE_EXPORT QGeoMapItemGeometry +{ +public: + QGeoMapItemGeometry(); + virtual ~QGeoMapItemGeometry(); + + inline bool isSourceDirty() const { return sourceDirty_; } + inline bool isScreenDirty() const { return screenDirty_; } + inline void markSourceDirty() { sourceDirty_ = true; screenDirty_ = true; } + inline void markScreenDirty() { screenDirty_ = true; clipToViewport_ = true; } + inline void markFullScreenDirty() { screenDirty_ = true; clipToViewport_ = false;} + inline void markClean() { screenDirty_ = (sourceDirty_ = false); clipToViewport_ = true;} + inline void clearScreen() { screenDirty_ = false; } + + inline void setPreserveGeometry(bool value, const QGeoCoordinate &geoLeftBound = QGeoCoordinate()) + { + preserveGeometry_ = value; + if (preserveGeometry_) + geoLeftBound_ = geoLeftBound; + } + inline QGeoCoordinate geoLeftBound() { return geoLeftBound_; } + + inline QRectF sourceBoundingBox() const { return sourceBounds_; } + inline QRectF screenBoundingBox() const { return screenBounds_; } + inline void clearBounds() { sourceBounds_ = screenBounds_ = QRectF(); firstPointOffset_ = QPointF(); } + + inline QPointF firstPointOffset() const { return firstPointOffset_; } + void translate(const QPointF &offset); + + inline const QGeoCoordinate &origin() const { return srcOrigin_; } + + QPainterPath screenOutline() const { + return screenOutline_; + } + + virtual bool contains(const QPointF &screenPoint) const { + return screenOutline_.contains(screenPoint); + } + + inline QVector2D vertex(quint32 index) const { + return QVector2D(screenVertices_[index]); + } + + inline QList<QPointF> vertices() const { return screenVertices_; } + inline QList<quint32> indices() const { return screenIndices_; } + + inline bool isIndexed() const { return (!screenIndices_.isEmpty()); } + + /* Size is # of triangles */ + inline quint32 size() const + { + if (isIndexed()) + return screenIndices_.size() / 3; + else + return screenVertices_.size() / 3; + } + + inline void clear() { firstPointOffset_ = QPointF(0,0); + screenVertices_.clear(); screenIndices_.clear(); } + + void allocateAndFill(QSGGeometry *geom) const; + + double geoDistanceToScreenWidth(const QGeoMap &map, + const QGeoCoordinate &fromCoord, + const QGeoCoordinate &toCoord); + + static QRectF translateToCommonOrigin(const QList<QGeoMapItemGeometry *> &geoms); + + mutable bool m_dataChanged = false; + +private: + Q_DISABLE_COPY(QGeoMapItemGeometry); + +protected: + bool sourceDirty_ = true; + bool screenDirty_ = true; + bool clipToViewport_ = true; + bool preserveGeometry_ = false; + QGeoCoordinate geoLeftBound_; + + QPointF firstPointOffset_; + + QPainterPath screenOutline_; + + QRectF sourceBounds_; + QRectF screenBounds_; + + QGeoCoordinate srcOrigin_; + + QList<QPointF> screenVertices_; + QList<quint32> screenIndices_; +}; + +QT_END_NAMESPACE + +#endif // QGEOMAPITEMGEOMETRY_H |