1 files changed, 218 insertions, 0 deletions
diff --git a/src/location/labs/qsg/qmapcircleobjectqsg.cpp b/src/location/labs/qsg/qmapcircleobjectqsg.cpp
new file mode 100644
index 00000000..10110eab
--- /dev/null
+++ b/src/location/labs/qsg/qmapcircleobjectqsg.cpp
@@ -0,0 +1,218 @@
+/****************************************************************************
+**
+** 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 "qmapcircleobjectqsg_p_p.h"
+
+QT_BEGIN_NAMESPACE
+
+static const int CircleSamples = 128;
+
+QMapCircleObjectPrivateQSG::QMapCircleObjectPrivateQSG(QGeoMapObject *q)
+    : QMapCircleObjectPrivateDefault(q)
+{
+
+}
+
+QMapCircleObjectPrivateQSG::QMapCircleObjectPrivateQSG(const QMapCircleObjectPrivate &other)
+    : QMapCircleObjectPrivateDefault(other)
+{
+    // Data already cloned by the *Default copy constructor, but necessary
+    // update operations triggered by setters overrides
+    setCenter(center());
+    setRadius(radius());
+    setColor(color());
+    setBorderColor(borderColor());
+    setBorderWidth(borderWidth());
+}
+
+QMapCircleObjectPrivateQSG::~QMapCircleObjectPrivateQSG()
+{
+
+}
+
+void QMapCircleObjectPrivateQSG::updateCirclePath()
+{
+    const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_map->geoProjection());
+    QList<QGeoCoordinate> path;
+    QDeclarativeCircleMapItem::calculatePeripheralPoints(path, center(), radius(), CircleSamples, m_leftBound);
+    m_circlePath.clear();
+    for (const QGeoCoordinate &c : path)
+        m_circlePath << p.geoToMapProjection(c);
+}
+
+void QMapCircleObjectPrivateQSG::updateGeometry()
+{
+    if (!m_map || m_map->geoProjection().projectionType() != QGeoProjection::ProjectionWebMercator
+            || !qIsFinite(m_radius) || !m_center.isValid())
+        return;
+
+    const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_map->geoProjection());
+    QScopedValueRollback<bool> rollback(m_updatingGeometry);
+    m_updatingGeometry = true;
+
+    updateCirclePath();
+    QList<QDoubleVector2D> circlePath = m_circlePath;
+
+    int pathCount = circlePath.size();
+    bool preserve = QDeclarativeCircleMapItem::preserveCircleGeometry(circlePath, center(), radius(), p);
+    // using leftBound_ instead of the analytically calculated circle_.boundingGeoRectangle().topLeft());
+    // to fix QTBUG-62154
+    m_geometry.markSourceDirty();
+    m_geometry.setPreserveGeometry(true, m_leftBound); // to set the geoLeftBound_
+    m_geometry.setPreserveGeometry(preserve, m_leftBound);
+
+    bool invertedCircle = false;
+    if (QDeclarativeCircleMapItem::crossEarthPole(center(), radius()) && circlePath.size() == pathCount) {
+        m_geometry.updateScreenPointsInvert(circlePath, *m_map); // invert fill area for really huge circles
+        invertedCircle = true;
+    } else {
+        m_geometry.updateSourcePoints(*m_map, circlePath);
+        m_geometry.updateScreenPoints(*m_map);
+    }
+
+    m_borderGeometry.clear();
+
+    //if (borderColor() != Qt::transparent && borderWidth() > 0)
+    {
+        QList<QDoubleVector2D> closedPath = circlePath;
+        closedPath << closedPath.first();
+
+        if (invertedCircle) {
+            closedPath = m_circlePath;
+            closedPath << closedPath.first();
+            std::reverse(closedPath.begin(), closedPath.end());
+        }
+
+        m_borderGeometry.markSourceDirty();
+        m_borderGeometry.setPreserveGeometry(true, m_leftBound);
+        m_borderGeometry.setPreserveGeometry(preserve, m_leftBound);
+
+        // Use srcOrigin_ from fill geometry after clipping to ensure that translateToCommonOrigin won't fail.
+        const QGeoCoordinate &geometryOrigin = m_geometry.origin();
+
+        m_borderGeometry.clearSource();
+
+        QDoubleVector2D borderLeftBoundWrapped;
+        QList<QList<QDoubleVector2D > > clippedPaths =
+                m_borderGeometry.clipPath(*m_map, closedPath, borderLeftBoundWrapped);
+        if (clippedPaths.size()) {
+            borderLeftBoundWrapped = p.geoToWrappedMapProjection(geometryOrigin);
+            m_borderGeometry.pathToScreen(*m_map, clippedPaths, borderLeftBoundWrapped);
+            m_borderGeometry.updateScreenPoints(*m_map, 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());
+}
+
+QGeoMapObjectPrivate *QMapCircleObjectPrivateQSG::clone()
+{
+    return new QMapCircleObjectPrivateQSG(static_cast<QMapCircleObjectPrivate &>(*this));
+}
+
+QSGNode *QMapCircleObjectPrivateQSG::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) {
+        //QMapPolygonObject *p = static_cast<QMapPolygonObject *>(q);
+        node->update(color(), 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;
+}
+
+
+void QMapCircleObjectPrivateQSG::setCenter(const QGeoCoordinate &center)
+{
+    m_center = center;
+    updateGeometry();
+    if (m_map)
+        emit m_map->sgNodeChanged();
+}
+
+void QMapCircleObjectPrivateQSG::setRadius(qreal radius)
+{
+    m_radius = radius;
+    updateGeometry();
+    if (m_map)
+        emit m_map->sgNodeChanged();
+}
+
+void QMapCircleObjectPrivateQSG::setColor(const QColor &color)
+{
+    m_fillColor = color;
+    updateGeometry();
+    if (m_map)
+        emit m_map->sgNodeChanged();
+}
+
+void QMapCircleObjectPrivateQSG::setBorderColor(const QColor &color)
+{
+    m_borderColor = color;
+    updateGeometry();
+    if (m_map)
+        emit m_map->sgNodeChanged();
+}
+
+void QMapCircleObjectPrivateQSG::setBorderWidth(qreal width)
+{
+    m_borderWidth = width;
+    updateGeometry();
+    if (m_map)
+        emit m_map->sgNodeChanged();
+}
+
+
+QT_END_NAMESPACE