62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
#include "mapview_tile_provider_osm.h"
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#include <QNetworkReply>
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#include <QNetworkRequest>
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#include <piqt.h>
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MapViewTileProvider_OSM::MapViewTileProvider_OSM() {
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nam = new QNetworkAccessManager();
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PIValueTree p;
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p.addChild(PIValueTree("url", "https://tile.openstreetmap.org"));
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initParameters(p);
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}
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MapViewTileProvider_OSM::~MapViewTileProvider_OSM() {
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piDeleteSafety(nam);
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}
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QString MapViewTileProvider_OSM::name() const {
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static QString ret = "OSM";
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return ret;
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}
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bool MapViewTileProvider_OSM::requestTile(MapViewTypes::TileIndex index) {
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QNetworkRequest req(url + QString("/%1/%2/%3.png").arg(index.z).arg(index.x).arg(index.y));
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req.setHeader(QNetworkRequest::UserAgentHeader, "Qt/5");
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auto * r = nam->get(req);
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if (!r) return false;
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connect(r, &QNetworkReply::finished, this, [this, r, index]() {
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r->deleteLater();
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QPixmap tim;
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if (r->error() != QNetworkReply::NoError) {
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qDebug() << "Error:" << r->error();
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} else {
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QByteArray data = r->readAll();
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if (!data.isEmpty()) {
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tim.loadFromData(data, "png");
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}
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}
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emit tileReady(index, tim);
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});
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return true;
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}
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QSize MapViewTileProvider_OSM::tileSize() {
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return {256, 256};
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}
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int MapViewTileProvider_OSM::maximumLevel() const {
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return 19;
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}
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void MapViewTileProvider_OSM::applyParameters() {
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url = PI2QString(getParameters().childValue("url").toString());
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}
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