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/****************************************************************************
**
** Copyright (C) 2020 Paolo Angelelli <paolo.angelelli@gmail.com>
** Copyright (C) 2020 The Qt Company Ltd.
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#ifndef QDECLARATIVERECTANGLEMAPITEM_P_P_H
#define QDECLARATIVERECTANGLEMAPITEM_P_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 <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qdeclarativepolygonmapitem_p_p.h>
#include <QtLocation/private/qdeclarativerectanglemapitem_p.h>
#include <QtPositioning/private/qwebmercator_p.h>
QT_BEGIN_NAMESPACE
class Q_LOCATION_PRIVATE_EXPORT QDeclarativeRectangleMapItemPrivate
{
public:
QDeclarativeRectangleMapItemPrivate(QDeclarativeRectangleMapItem &rect) : m_rect(rect)
{
}
QDeclarativeRectangleMapItemPrivate(QDeclarativeRectangleMapItemPrivate &other) : m_rect(other.m_rect)
{
}
virtual ~QDeclarativeRectangleMapItemPrivate();
virtual void onLinePropertiesChanged() = 0;
virtual void markSourceDirtyAndUpdate() = 0;
virtual void onMapSet() = 0;
virtual void onGeoGeometryChanged() = 0;
virtual void onItemGeometryChanged() = 0;
virtual void updatePolish() = 0;
virtual void afterViewportChanged() = 0;
virtual QSGNode * updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) = 0;
virtual bool contains(const QPointF &point) const = 0;
QDeclarativeRectangleMapItem &m_rect;
};
class Q_LOCATION_PRIVATE_EXPORT QDeclarativeRectangleMapItemPrivateCPU: public QDeclarativeRectangleMapItemPrivate
{
public:
QDeclarativeRectangleMapItemPrivateCPU(QDeclarativeRectangleMapItem &rect) : QDeclarativeRectangleMapItemPrivate(rect)
{
}
QDeclarativeRectangleMapItemPrivateCPU(QDeclarativeRectangleMapItemPrivate &other)
: QDeclarativeRectangleMapItemPrivate(other)
{
}
~QDeclarativeRectangleMapItemPrivateCPU() override;
void onLinePropertiesChanged() override
{
// mark dirty just in case we're a width change
markSourceDirtyAndUpdate();
}
virtual void markSourceDirtyAndUpdate() override
{
m_geometry.markSourceDirty();
m_borderGeometry.markSourceDirty();
m_rect.polishAndUpdate();
}
virtual void onMapSet() override
{
markSourceDirtyAndUpdate();
}
virtual void onGeoGeometryChanged() override
{
markSourceDirtyAndUpdate();
}
virtual void onItemGeometryChanged() override
{
m_geometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
m_borderGeometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
markSourceDirtyAndUpdate();
}
virtual void afterViewportChanged() override
{
m_geometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
m_borderGeometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
markSourceDirtyAndUpdate();
}
virtual void updatePolish() override
{
if (!m_rect.topLeft().isValid() || !m_rect.bottomRight().isValid()) {
m_geometry.clear();
m_borderGeometry.clear();
m_rect.setWidth(0);
m_rect.setHeight(0);
return;
}
const QGeoProjectionWebMercator &p = static_cast<const QGeoProjectionWebMercator&>(m_rect.map()->geoProjection());
QScopedValueRollback<bool> rollback(m_rect.m_updatingGeometry);
m_rect.m_updatingGeometry = true;
const QList<QGeoCoordinate> perimeter = path(m_rect.m_rectangle);
const QList<QDoubleVector2D> pathMercator_ = pathMercator(perimeter);
m_geometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
m_geometry.updateSourcePoints(*m_rect.map(), pathMercator_);
m_geometry.updateScreenPoints(*m_rect.map(), m_rect.m_border.width());
QList<QGeoMapItemGeometry *> geoms;
geoms << &m_geometry;
m_borderGeometry.clear();
if (m_rect.m_border.color().alpha() != 0 && m_rect.m_border.width() > 0) {
QList<QDoubleVector2D> closedPath = pathMercator_;
closedPath << closedPath.first();
m_borderGeometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
const QGeoCoordinate &geometryOrigin = m_geometry.origin();
m_borderGeometry.srcPoints_.clear();
m_borderGeometry.srcPointTypes_.clear();
QDoubleVector2D borderLeftBoundWrapped;
QList<QList<QDoubleVector2D > > clippedPaths = m_borderGeometry.clipPath(*m_rect.map(), closedPath, borderLeftBoundWrapped);
if (clippedPaths.size()) {
borderLeftBoundWrapped = p.geoToWrappedMapProjection(geometryOrigin);
m_borderGeometry.pathToScreen(*m_rect.map(), clippedPaths, borderLeftBoundWrapped);
m_borderGeometry.updateScreenPoints(*m_rect.map(), m_rect.m_border.width());
geoms << &m_borderGeometry;
} else {
m_borderGeometry.clear();
}
}
QRectF combined = QGeoMapItemGeometry::translateToCommonOrigin(geoms);
m_rect.setWidth(combined.width() + 2 * m_rect.m_border.width()); // ToDo: fix this! 2 is incorrect
m_rect.setHeight(combined.height() + 2 * m_rect.m_border.width());
m_rect.setPositionOnMap(m_geometry.origin(), m_geometry.firstPointOffset());
}
virtual QSGNode * updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) override
{
Q_UNUSED(data);
if (!m_node || !oldNode) {
m_node = new MapPolygonNode();
if (oldNode) {
delete oldNode;
oldNode = nullptr;
}
} else {
m_node = static_cast<MapPolygonNode *>(oldNode);
}
//TODO: update only material
if (m_geometry.isScreenDirty() || m_borderGeometry.isScreenDirty() || m_rect.m_dirtyMaterial) {
m_node->update(m_rect.m_color, m_rect.m_border.color(), &m_geometry, &m_borderGeometry);
m_geometry.setPreserveGeometry(false);
m_borderGeometry.setPreserveGeometry(false);
m_geometry.markClean();
m_borderGeometry.markClean();
m_rect.m_dirtyMaterial = false;
}
return m_node;
}
virtual bool contains(const QPointF &point) const override
{
return (m_geometry.contains(point) || m_borderGeometry.contains(point));
}
static QList<QGeoCoordinate> path(const QGeoRectangle &rect)
{
QList<QGeoCoordinate> res;
res << rect.topLeft();
res << QGeoCoordinate(rect.topLeft().latitude(), rect.bottomRight().longitude());
res << rect.bottomRight();
res << QGeoCoordinate(rect.bottomRight().latitude(), rect.topLeft().longitude());
return res;
}
static QList<QGeoCoordinate> perimeter(const QGeoRectangle &rect)
{
QList<QGeoCoordinate> res;
res << rect.topLeft();
res << QGeoCoordinate(rect.topLeft().latitude(), rect.bottomRight().longitude());
res << rect.bottomRight();
res << QGeoCoordinate(rect.bottomRight().latitude(), rect.topLeft().longitude());
res << res.first();
return res;
}
static QList<QDoubleVector2D> pathMercator(const QList<QGeoCoordinate> &p)
{
QList<QDoubleVector2D> res;
for (const auto &c: p)
res << QWebMercator::coordToMercator(c);
return res;
}
QGeoMapPolygonGeometry m_geometry;
QGeoMapPolylineGeometry m_borderGeometry;
MapPolygonNode *m_node = nullptr;
};
class Q_LOCATION_PRIVATE_EXPORT QDeclarativeRectangleMapItemPrivateOpenGL: public QDeclarativeRectangleMapItemPrivate
{
public:
QDeclarativeRectangleMapItemPrivateOpenGL(QDeclarativeRectangleMapItem &rect) : QDeclarativeRectangleMapItemPrivate(rect)
{
}
QDeclarativeRectangleMapItemPrivateOpenGL(QDeclarativeRectangleMapItemPrivate &other)
: QDeclarativeRectangleMapItemPrivate(other)
{
}
~QDeclarativeRectangleMapItemPrivateOpenGL() override;
void markScreenDirtyAndUpdate()
{
// preserveGeometry is cleared in updateMapItemPaintNode
m_geometry.markScreenDirty();
m_borderGeometry.markScreenDirty();
m_rect.polishAndUpdate();
}
void onLinePropertiesChanged() override
{
m_rect.m_dirtyMaterial = true;
afterViewportChanged();
}
virtual void markSourceDirtyAndUpdate() override
{
m_geometry.markSourceDirty();
m_borderGeometry.markSourceDirty();
m_rect.polishAndUpdate();
}
void preserveGeometry()
{
m_geometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
m_borderGeometry.setPreserveGeometry(true, m_rect.m_rectangle.topLeft());
}
virtual void onMapSet() override
{
markSourceDirtyAndUpdate();
}
virtual void onGeoGeometryChanged() override
{
preserveGeometry();
markSourceDirtyAndUpdate();
}
virtual void onItemGeometryChanged() override
{
onGeoGeometryChanged();
}
virtual void afterViewportChanged() override
{
preserveGeometry();
markScreenDirtyAndUpdate();
}
virtual void updatePolish() override
{
if (!m_rect.topLeft().isValid() || !m_rect.bottomRight().isValid()) {
m_geometry.clear();
m_borderGeometry.clear();
m_rect.setWidth(0);
m_rect.setHeight(0);
return;
}
QScopedValueRollback<bool> rollback(m_rect.m_updatingGeometry);
m_rect.m_updatingGeometry = true;
const qreal lineWidth = m_rect.m_border.width();
const QColor &lineColor = m_rect.m_border.color();
const QColor &fillColor = m_rect.color();
if (fillColor.alpha() != 0) {
m_geometry.updateSourcePoints(*m_rect.map(), m_rect.m_rectangle);
m_geometry.markScreenDirty();
m_geometry.updateScreenPoints(*m_rect.map(), lineWidth, lineColor);
} else {
m_geometry.clearBounds();
}
QGeoMapItemGeometry * geom = &m_geometry;
m_borderGeometry.clearScreen();
if (lineColor.alpha() != 0 && lineWidth > 0) {
m_borderGeometry.updateSourcePoints(*m_rect.map(), m_rect.m_rectangle);
m_borderGeometry.markScreenDirty();
m_borderGeometry.updateScreenPoints(*m_rect.map(), lineWidth);
geom = &m_borderGeometry;
}
m_rect.setWidth(geom->sourceBoundingBox().width());
m_rect.setHeight(geom->sourceBoundingBox().height());
m_rect.setPosition(1.0 * geom->firstPointOffset() - QPointF(lineWidth * 0.5,lineWidth * 0.5));
}
virtual QSGNode * updateMapItemPaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *data) override
{
Q_UNUSED(data);
if (!m_rootNode || !oldNode) {
m_rootNode = new QDeclarativePolygonMapItemPrivateOpenGL::RootNode();
m_node = new MapPolygonNodeGL();
m_rootNode->appendChildNode(m_node);
m_polylinenode = new MapPolylineNodeOpenGLExtruded();
m_rootNode->appendChildNode(m_polylinenode);
m_rootNode->markDirty(QSGNode::DirtyNodeAdded);
if (oldNode)
delete oldNode;
} else {
m_rootNode = static_cast<QDeclarativePolygonMapItemPrivateOpenGL::RootNode *>(oldNode);
}
const QGeoMap *map = m_rect.map();
const QMatrix4x4 &combinedMatrix = map->geoProjection().qsgTransform();
const QDoubleVector3D &cameraCenter = map->geoProjection().centerMercator();
if (m_borderGeometry.isScreenDirty()) {
/* Do the border update first */
m_polylinenode->update(m_rect.m_border.color(),
float(m_rect.m_border.width()),
&m_borderGeometry,
combinedMatrix,
cameraCenter,
Qt::SquareCap,
true,
30); // No LOD for rectangles
m_borderGeometry.setPreserveGeometry(false);
m_borderGeometry.markClean();
} else {
m_polylinenode->setSubtreeBlocked(true);
}
if (m_geometry.isScreenDirty()) {
m_node->update(m_rect.m_color,
&m_geometry,
combinedMatrix,
cameraCenter);
m_geometry.setPreserveGeometry(false);
m_geometry.markClean();
} else {
m_node->setSubtreeBlocked(true);
}
m_rootNode->setSubtreeBlocked(false);
return m_rootNode;
}
virtual bool contains(const QPointF &point) const override
{
const qreal lineWidth = m_rect.m_border.width();
const QColor &lineColor = m_rect.m_border.color();
const QRectF &bounds = (lineColor.alpha() != 0 && lineWidth > 0) ? m_borderGeometry.sourceBoundingBox() : m_geometry.sourceBoundingBox();
if (bounds.contains(point)) {
QDeclarativeGeoMap *m = m_rect.quickMap();
if (m) {
const QGeoCoordinate crd = m->toCoordinate(m->mapFromItem(&m_rect, point));
return m_rect.m_rectangle.contains(crd) || m_borderGeometry.contains(m_rect.mapToItem(m_rect.quickMap(), point),
m_rect.border()->width(),
static_cast<const QGeoProjectionWebMercator&>(m_rect.map()->geoProjection()));
} else {
return true;
}
}
return false;
}
QGeoMapPolygonGeometryOpenGL m_geometry;
QGeoMapPolylineGeometryOpenGL m_borderGeometry;
QDeclarativePolygonMapItemPrivateOpenGL::RootNode *m_rootNode = nullptr;
MapPolygonNodeGL *m_node = nullptr;
MapPolylineNodeOpenGLExtruded *m_polylinenode = nullptr;
};
QT_END_NAMESPACE
#endif // QDECLARATIVERECTANGLEMAPITEM_P_P_H