diff options
Diffstat (limited to 'src/location/labs/qsg/qmappolygonobjectqsg.cpp')
| -rw-r--r-- | src/location/labs/qsg/qmappolygonobjectqsg.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/location/labs/qsg/qmappolygonobjectqsg.cpp b/src/location/labs/qsg/qmappolygonobjectqsg.cpp new file mode 100644 index 00000000..4000c08f --- /dev/null +++ b/src/location/labs/qsg/qmappolygonobjectqsg.cpp @@ -0,0 +1,212 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtLocation module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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.LGPLv3 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.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 later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmappolygonobjectqsg_p_p.h" +#include <QtQuick/qsgnode.h> +#include <QtQuick/qsgsimplerectnode.h> + +QT_BEGIN_NAMESPACE + +QMapPolygonObjectPrivateQSG::QMapPolygonObjectPrivateQSG(QGeoMapObject *q) + : QMapPolygonObjectPrivate(q) +{ + +} + +QMapPolygonObjectPrivateQSG::QMapPolygonObjectPrivateQSG(const QMapPolygonObjectPrivate &other) + : QMapPolygonObjectPrivate(other.q) +{ + setPath(other.path()); + setFillColor(other.fillColor()); + setBorderColor(other.borderColor()); + setBorderWidth(other.borderWidth()); +} + +QMapPolygonObjectPrivateQSG::~QMapPolygonObjectPrivateQSG() +{ + +} + +QList<QDoubleVector2D> QMapPolygonObjectPrivateQSG::projectPath() +{ + QList<QDoubleVector2D> geopathProjected_; + if (!m_map || m_map->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator) + return geopathProjected_; + + const QGeoProjectionWebMercator &p = + static_cast<const QGeoProjectionWebMercator&>(m_map->geoProjection()); + geopathProjected_.reserve(m_geoPath.path().size()); + for (const QGeoCoordinate &c : m_geoPath.path()) + geopathProjected_ << p.geoToMapProjection(c); + return geopathProjected_; +} + +QSGNode *QMapPolygonObjectPrivateQSG::updateMapObjectNode(QSGNode *oldNode, QSGNode *root, QQuickWindow * /*window*/) +{ + MapPolygonNode *node = static_cast<MapPolygonNode *>(oldNode); + + bool created = false; + if (!node) { + node = new MapPolygonNode(); + created = true; + } + + //TODO: update only material + if (m_geometry.isScreenDirty() || !m_borderGeometry.isScreenDirty() || !oldNode || created) { + node->update(fillColor(), borderColor(), &m_geometry, &m_borderGeometry); + m_geometry.setPreserveGeometry(false); + m_borderGeometry.setPreserveGeometry(false); + m_geometry.markClean(); + m_borderGeometry.markClean(); + } + + if (created) + root->appendChildNode(node); + + return node; +} + +QList<QGeoCoordinate> QMapPolygonObjectPrivateQSG::path() const +{ + return m_geoPath.path(); +} + +QColor QMapPolygonObjectPrivateQSG::fillColor() const +{ + return m_fillColor; +} + +QColor QMapPolygonObjectPrivateQSG::borderColor() const +{ + return m_borderColor; +} + +qreal QMapPolygonObjectPrivateQSG::borderWidth() const +{ + return m_borderWidth; +} + +void QMapPolygonObjectPrivateQSG::setPath(const QList<QGeoCoordinate> &path) +{ + m_geoPath.setPath(path); + updateGeometry(); + + if (m_map) + emit m_map->sgNodeChanged(); +} + +void QMapPolygonObjectPrivateQSG::setFillColor(const QColor &color) +{ + m_fillColor = color; + updateGeometry(); + + if (m_map) + emit m_map->sgNodeChanged(); +} + +void QMapPolygonObjectPrivateQSG::setBorderColor(const QColor &color) +{ + m_borderColor = color; + updateGeometry(); + + if (m_map) + emit m_map->sgNodeChanged(); +} + +void QMapPolygonObjectPrivateQSG::setBorderWidth(qreal width) +{ + m_borderWidth = width; + updateGeometry(); + + if (m_map) + emit m_map->sgNodeChanged(); +} + +QGeoMapObjectPrivate *QMapPolygonObjectPrivateQSG::clone() +{ + return new QMapPolygonObjectPrivateQSG(static_cast<QMapPolygonObjectPrivate &>(*this)); +} + +void QMapPolygonObjectPrivateQSG::updateGeometry() +{ + if (!m_map || m_geoPath.path().length() == 0 + || m_map->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator) + return; + + QScopedValueRollback<bool> rollback(m_updatingGeometry); + m_updatingGeometry = true; + + const QList<QDoubleVector2D> &geopathProjected = projectPath(); + + m_geometry.markSourceDirty(); + m_geometry.setPreserveGeometry(true, m_geoPath.boundingGeoRectangle().topLeft()); + m_geometry.updateSourcePoints(*m_map, geopathProjected); + m_geometry.updateScreenPoints(*m_map); + + m_borderGeometry.clear(); + + //if (border_.color() != Qt::transparent && border_.width() > 0) + { + const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_map->geoProjection()); + QList<QDoubleVector2D> closedPath = geopathProjected; + closedPath << closedPath.first(); + + m_borderGeometry.markSourceDirty(); + m_borderGeometry.setPreserveGeometry(true, m_geoPath.boundingGeoRectangle().topLeft()); + + const QGeoCoordinate &geometryOrigin = m_geometry.origin(); + + m_borderGeometry.clearSource(); + + QDoubleVector2D borderLeftBoundWrapped; + QList<QList<QDoubleVector2D > > clippedPaths = + m_borderGeometry.clipPath(*m_map.data(), closedPath, borderLeftBoundWrapped); + + if (clippedPaths.size()) { + borderLeftBoundWrapped = p.geoToWrappedMapProjection(geometryOrigin); + m_borderGeometry.pathToScreen(*m_map.data(), clippedPaths, borderLeftBoundWrapped); + m_borderGeometry.updateScreenPoints(*m_map.data(), borderWidth()); + } else { + m_borderGeometry.clear(); + } + } + + QPointF origin = m_map->geoProjection().coordinateToItemPosition(m_geometry.origin(), false).toPointF(); + m_geometry.translate(origin - m_geometry.firstPointOffset()); + m_borderGeometry.translate(origin - m_borderGeometry.firstPointOffset()); +} + +QT_END_NAMESPACE |