mirror of
https://github.com/ciphervance/supercell-wx.git
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Creating reference map widget
This commit is contained in:
Dan Paulat
parent
760e8a52a1
commit
b1e00cca83
8 changed files with 631 additions and 30 deletions
527
scwx-qt/source/scwx/qt/map/map_widget.cpp
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527
scwx-qt/source/scwx/qt/map/map_widget.cpp
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#include "map_widget.hpp"
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#include <QApplication>
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#include <QColor>
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#include <QDebug>
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#include <QFile>
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#include <QIcon>
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#include <QKeyEvent>
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#include <QMouseEvent>
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#include <QString>
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namespace scwx
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{
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namespace qt
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{
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MapWidget::MapWidget(const QMapboxGLSettings& settings) : settings_(settings)
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{
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setFocusPolicy(Qt::StrongFocus);
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}
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MapWidget::~MapWidget()
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{
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// Make sure we have a valid context so we
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// can delete the QMapboxGL.
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makeCurrent();
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}
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qreal MapWidget::pixelRatio()
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{
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return devicePixelRatioF();
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}
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void MapWidget::changeStyle()
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{
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static uint8_t currentStyleIndex;
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auto& styles = QMapbox::defaultStyles();
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map_->setStyleUrl(styles[currentStyleIndex].first);
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setWindowTitle(QString("Mapbox GL: ") + styles[currentStyleIndex].second);
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if (++currentStyleIndex == styles.size())
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{
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currentStyleIndex = 0;
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}
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sourceAdded_ = false;
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}
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void MapWidget::keyPressEvent(QKeyEvent* ev)
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{
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switch (ev->key())
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{
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case Qt::Key_S: changeStyle(); break;
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case Qt::Key_L:
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{
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if (sourceAdded_)
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{
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return;
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}
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sourceAdded_ = true;
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// Not in all styles, but will work on streets
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QString before = "waterway-label";
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QFile geojson(":source1.geojson");
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geojson.open(QIODevice::ReadOnly);
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// The data source for the route line and markers
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QVariantMap routeSource;
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routeSource["type"] = "geojson";
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routeSource["data"] = geojson.readAll();
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map_->addSource("routeSource", routeSource);
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// The route case, painted before the route
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QVariantMap routeCase;
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routeCase["id"] = "routeCase";
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routeCase["type"] = "line";
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routeCase["source"] = "routeSource";
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map_->addLayer(routeCase, before);
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map_->setPaintProperty("routeCase", "line-color", QColor("white"));
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map_->setPaintProperty("routeCase", "line-width", 20.0);
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map_->setLayoutProperty("routeCase", "line-join", "round");
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map_->setLayoutProperty("routeCase", "line-cap", "round");
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// The route, painted on top of the route case
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QVariantMap route;
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route["id"] = "route";
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route["type"] = "line";
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route["source"] = "routeSource";
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map_->addLayer(route, before);
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map_->setPaintProperty("route", "line-color", QColor("blue"));
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map_->setPaintProperty("route", "line-width", 8.0);
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map_->setLayoutProperty("route", "line-join", "round");
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map_->setLayoutProperty("route", "line-cap", "round");
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QVariantList lineDashArray;
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lineDashArray.append(1);
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lineDashArray.append(2);
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map_->setPaintProperty("route", "line-dasharray", lineDashArray);
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// Markers at the beginning and end of the route
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map_->addImage("label-arrow", QImage(":label-arrow.svg"));
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map_->addImage("label-background", QImage(":label-background.svg"));
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QVariantMap markerArrow;
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markerArrow["id"] = "markerArrow";
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markerArrow["type"] = "symbol";
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markerArrow["source"] = "routeSource";
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map_->addLayer(markerArrow);
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map_->setLayoutProperty("markerArrow", "icon-image", "label-arrow");
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map_->setLayoutProperty("markerArrow", "icon-size", 0.5);
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map_->setLayoutProperty("markerArrow", "icon-ignore-placement", true);
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QVariantList arrowOffset;
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arrowOffset.append(0.0);
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arrowOffset.append(-15.0);
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map_->setLayoutProperty("markerArrow", "icon-offset", arrowOffset);
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QVariantMap markerBackground;
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markerBackground["id"] = "markerBackground";
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markerBackground["type"] = "symbol";
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markerBackground["source"] = "routeSource";
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map_->addLayer(markerBackground);
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map_->setLayoutProperty(
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"markerBackground", "icon-image", "label-background");
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map_->setLayoutProperty("markerBackground", "text-field", "{name}");
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map_->setLayoutProperty("markerBackground", "icon-text-fit", "both");
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map_->setLayoutProperty(
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"markerBackground", "icon-ignore-placement", true);
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map_->setLayoutProperty(
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"markerBackground", "text-ignore-placement", true);
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map_->setLayoutProperty("markerBackground", "text-anchor", "left");
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map_->setLayoutProperty("markerBackground", "text-size", 16.0);
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map_->setLayoutProperty("markerBackground", "text-padding", 0.0);
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map_->setLayoutProperty("markerBackground", "text-line-height", 1.0);
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map_->setLayoutProperty("markerBackground", "text-max-width", 8.0);
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QVariantList iconTextFitPadding;
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iconTextFitPadding.append(15.0);
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iconTextFitPadding.append(10.0);
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iconTextFitPadding.append(15.0);
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iconTextFitPadding.append(10.0);
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map_->setLayoutProperty(
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"markerBackground", "icon-text-fit-padding", iconTextFitPadding);
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QVariantList backgroundOffset;
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backgroundOffset.append(-0.5);
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backgroundOffset.append(-1.5);
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map_->setLayoutProperty(
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"markerBackground", "text-offset", backgroundOffset);
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map_->setPaintProperty("markerBackground", "text-color", QColor("white"));
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QVariantList filterExpression;
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filterExpression.append("==");
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filterExpression.append("$type");
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filterExpression.append("Point");
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QVariantList filter;
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filter.append(filterExpression);
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map_->setFilter("markerArrow", filter);
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map_->setFilter("markerBackground", filter);
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// Tilt the labels when tilting the map and make them larger
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map_->setLayoutProperty("road-label-large", "text-size", 30.0);
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map_->setLayoutProperty(
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"road-label-large", "text-pitch-alignment", "viewport");
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map_->setLayoutProperty("road-label-medium", "text-size", 30.0);
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map_->setLayoutProperty(
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"road-label-medium", "text-pitch-alignment", "viewport");
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map_->setLayoutProperty(
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"road-label-small", "text-pitch-alignment", "viewport");
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map_->setLayoutProperty("road-label-small", "text-size", 30.0);
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// Buildings extrusion
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QVariantMap buildings;
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buildings["id"] = "3d-buildings";
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buildings["source"] = "composite";
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buildings["source-layer"] = "building";
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buildings["type"] = "fill-extrusion";
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buildings["minzoom"] = 15.0;
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map_->addLayer(buildings);
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QVariantList buildingsFilterExpression;
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buildingsFilterExpression.append("==");
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buildingsFilterExpression.append("extrude");
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buildingsFilterExpression.append("true");
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QVariantList buildingsFilter;
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buildingsFilter.append(buildingsFilterExpression);
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map_->setFilter("3d-buildings", buildingsFilterExpression);
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QString fillExtrusionColorJSON = R"JSON(
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[
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"interpolate",
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["linear"],
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["get", "height"],
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0.0, "blue",
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20.0, "royalblue",
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40.0, "cyan",
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60.0, "lime",
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80.0, "yellow",
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100.0, "red"
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]
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)JSON";
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map_->setPaintProperty(
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"3d-buildings", "fill-extrusion-color", fillExtrusionColorJSON);
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map_->setPaintProperty("3d-buildings", "fill-extrusion-opacity", .6);
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QVariantMap extrusionHeight;
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extrusionHeight["type"] = "identity";
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extrusionHeight["property"] = "height";
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map_->setPaintProperty(
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"3d-buildings", "fill-extrusion-height", extrusionHeight);
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QVariantMap extrusionBase;
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extrusionBase["type"] = "identity";
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extrusionBase["property"] = "min_height";
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map_->setPaintProperty(
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"3d-buildings", "fill-extrusion-base", extrusionBase);
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}
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break;
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case Qt::Key_1:
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{
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if (symbolAnnotationId_.isNull())
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{
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QMapbox::Coordinate coordinate = map_->coordinate();
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QMapbox::SymbolAnnotation symbol {coordinate, "default_marker"};
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map_->addAnnotationIcon("default_marker",
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QImage(":default_marker.svg"));
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symbolAnnotationId_ = map_->addAnnotation(
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QVariant::fromValue<QMapbox::SymbolAnnotation>(symbol));
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}
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else
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{
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map_->removeAnnotation(symbolAnnotationId_.toUInt());
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symbolAnnotationId_.clear();
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}
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}
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break;
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case Qt::Key_2:
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{
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if (lineAnnotationId_.isNull())
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{
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QMapbox::Coordinates coordinates;
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coordinates.push_back(map_->coordinateForPixel({0, 0}));
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coordinates.push_back(map_->coordinateForPixel(
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{qreal(size().width()), qreal(size().height())}));
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QMapbox::CoordinatesCollection collection;
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collection.push_back(coordinates);
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QMapbox::CoordinatesCollections lineGeometry;
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lineGeometry.push_back(collection);
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QMapbox::ShapeAnnotationGeometry annotationGeometry(
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QMapbox::ShapeAnnotationGeometry::LineStringType, lineGeometry);
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QMapbox::LineAnnotation line;
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line.geometry = annotationGeometry;
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line.opacity = 0.5f;
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line.width = 1.0f;
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line.color = Qt::red;
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lineAnnotationId_ = map_->addAnnotation(
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QVariant::fromValue<QMapbox::LineAnnotation>(line));
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}
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else
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{
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map_->removeAnnotation(lineAnnotationId_.toUInt());
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lineAnnotationId_.clear();
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}
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}
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break;
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case Qt::Key_3:
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{
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if (fillAnnotationId_.isNull())
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{
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QMapbox::Coordinates coordinates;
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coordinates.push_back(
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map_->coordinateForPixel({qreal(size().width()), 0}));
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coordinates.push_back(map_->coordinateForPixel(
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{qreal(size().width()), qreal(size().height())}));
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coordinates.push_back(
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map_->coordinateForPixel({0, qreal(size().height())}));
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coordinates.push_back(map_->coordinateForPixel({0, 0}));
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QMapbox::CoordinatesCollection collection;
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collection.push_back(coordinates);
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QMapbox::CoordinatesCollections fillGeometry;
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fillGeometry.push_back(collection);
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QMapbox::ShapeAnnotationGeometry annotationGeometry(
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QMapbox::ShapeAnnotationGeometry::PolygonType, fillGeometry);
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QMapbox::FillAnnotation fill;
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fill.geometry = annotationGeometry;
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fill.opacity = 0.5f;
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fill.color = Qt::green;
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fill.outlineColor = QVariant::fromValue<QColor>(QColor(Qt::black));
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fillAnnotationId_ = map_->addAnnotation(
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QVariant::fromValue<QMapbox::FillAnnotation>(fill));
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}
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else
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{
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map_->removeAnnotation(fillAnnotationId_.toUInt());
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fillAnnotationId_.clear();
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}
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}
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break;
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case Qt::Key_5:
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{
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if (map_->layerExists("circleLayer"))
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{
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map_->removeLayer("circleLayer");
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map_->removeSource("circleSource");
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}
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else
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{
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QMapbox::Coordinates coordinates;
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coordinates.push_back(map_->coordinate());
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QMapbox::CoordinatesCollection collection;
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collection.push_back(coordinates);
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QMapbox::CoordinatesCollections point;
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point.push_back(collection);
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QMapbox::Feature feature(QMapbox::Feature::PointType, point, {}, {});
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QVariantMap circleSource;
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circleSource["type"] = "geojson";
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circleSource["data"] = QVariant::fromValue<QMapbox::Feature>(feature);
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map_->addSource("circleSource", circleSource);
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QVariantMap circle;
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circle["id"] = "circleLayer";
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circle["type"] = "circle";
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circle["source"] = "circleSource";
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map_->addLayer(circle);
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map_->setPaintProperty("circleLayer", "circle-radius", 10.0);
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map_->setPaintProperty("circleLayer", "circle-color", QColor("black"));
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}
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}
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break;
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case Qt::Key_6:
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{
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if (map_->layerExists("innerCirclesLayer") ||
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map_->layerExists("outerCirclesLayer"))
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{
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map_->removeLayer("innerCirclesLayer");
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map_->removeLayer("outerCirclesLayer");
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map_->removeSource("innerCirclesSource");
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map_->removeSource("outerCirclesSource");
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}
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else
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{
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auto makePoint = [&](double dx, double dy, const QString& color) {
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auto coordinate = map_->coordinate();
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coordinate.first += dx;
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coordinate.second += dy;
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return QMapbox::Feature {QMapbox::Feature::PointType,
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{{{coordinate}}},
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{{"color", color}},
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{}};
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};
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// multiple features by QVector<QMapbox::Feature>
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QVector<QMapbox::Feature> inner {makePoint(0.001, 0, "red"),
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makePoint(0, 0.001, "green"),
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makePoint(0, -0.001, "blue")};
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map_->addSource(
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"innerCirclesSource",
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{{"type", "geojson"}, {"data", QVariant::fromValue(inner)}});
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map_->addLayer({{"id", "innerCirclesLayer"},
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{"type", "circle"},
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{"source", "innerCirclesSource"}});
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// multiple features by QList<QMapbox::Feature>
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QList<QMapbox::Feature> outer {makePoint(0.002, 0.002, "cyan"),
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makePoint(-0.002, 0.002, "magenta"),
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makePoint(0.002, -0.002, "yellow"),
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makePoint(-0.002, -0.002, "black")};
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map_->addSource(
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"outerCirclesSource",
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{{"type", "geojson"}, {"data", QVariant::fromValue(outer)}});
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map_->addLayer({{"id", "outerCirclesLayer"},
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{"type", "circle"},
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{"source", "outerCirclesSource"}});
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QVariantList getColor {"get", "color"};
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map_->setPaintProperty("innerCirclesLayer", "circle-radius", 10.0);
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map_->setPaintProperty("innerCirclesLayer", "circle-color", getColor);
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map_->setPaintProperty("outerCirclesLayer", "circle-radius", 15.0);
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map_->setPaintProperty("outerCirclesLayer", "circle-color", getColor);
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}
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}
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break;
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default: break;
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}
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ev->accept();
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}
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void MapWidget::mousePressEvent(QMouseEvent* ev)
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{
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lastPos_ = ev->position();
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if (ev->type() == QEvent::MouseButtonPress)
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{
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if (ev->buttons() == (Qt::LeftButton | Qt::RightButton))
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{
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changeStyle();
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}
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}
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if (ev->type() == QEvent::MouseButtonDblClick)
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{
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if (ev->buttons() == Qt::LeftButton)
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{
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map_->scaleBy(2.0, lastPos_);
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}
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else if (ev->buttons() == Qt::RightButton)
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{
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map_->scaleBy(0.5, lastPos_);
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}
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}
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ev->accept();
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}
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void MapWidget::mouseMoveEvent(QMouseEvent* ev)
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{
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QPointF delta = ev->position() - lastPos_;
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if (!delta.isNull())
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{
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if (ev->buttons() == Qt::LeftButton &&
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ev->modifiers() & Qt::ShiftModifier)
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{
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map_->pitchBy(delta.y());
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}
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else if (ev->buttons() == Qt::LeftButton)
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{
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map_->moveBy(delta);
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}
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else if (ev->buttons() == Qt::RightButton)
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{
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map_->rotateBy(lastPos_, ev->position());
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}
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}
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lastPos_ = ev->position();
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ev->accept();
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}
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void MapWidget::wheelEvent(QWheelEvent* ev)
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{
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if (ev->angleDelta().y() == 0)
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{
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return;
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}
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float factor = ev->angleDelta().y() / 1200.;
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if (ev->angleDelta().y() < 0)
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{
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factor = factor > -1 ? factor : 1 / factor;
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}
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#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
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map_->scaleBy(1 + factor, ev->position());
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#else
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map_->scaleBy(1 + factor, ev->pos());
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#endif
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ev->accept();
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}
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void MapWidget::initializeGL()
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{
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map_.reset(new QMapboxGL(nullptr, settings_, size(), pixelRatio()));
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connect(map_.data(), SIGNAL(needsRendering()), this, SLOT(update()));
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||||
|
||||
// Set default location to KLSX.
|
||||
map_->setCoordinateZoom(QMapbox::Coordinate(38.6986, -90.6828), 14);
|
||||
|
||||
QString styleUrl = qgetenv("MAPBOX_STYLE_URL");
|
||||
if (styleUrl.isEmpty())
|
||||
{
|
||||
changeStyle();
|
||||
}
|
||||
else
|
||||
{
|
||||
map_->setStyleUrl(styleUrl);
|
||||
setWindowTitle(QString("Mapbox GL: ") + styleUrl);
|
||||
}
|
||||
}
|
||||
|
||||
void MapWidget::paintGL()
|
||||
{
|
||||
frameDraws_++;
|
||||
map_->resize(size());
|
||||
map_->setFramebufferObject(defaultFramebufferObject(),
|
||||
size() * pixelRatio());
|
||||
map_->render();
|
||||
}
|
||||
|
||||
} // namespace qt
|
||||
} // namespace scwx
|
||||
Loading…
Add table
Add a link
Reference in a new issue