113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
#include "qquickmapboxglrenderer.hpp"
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#include "qmapboxgl.hpp"
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#include "qquickmapboxgl.hpp"
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#include <QSize>
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#include <QOpenGLFramebufferObject>
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#include <QOpenGLFramebufferObjectFormat>
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#include <QQuickWindow>
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#include <QThread>
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QQuickMapboxGLRenderer::QQuickMapboxGLRenderer()
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{
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QMapbox::initializeGLExtensions();
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QMapboxGLSettings settings;
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settings.setAccessToken(qgetenv("MAPBOX_ACCESS_TOKEN"));
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settings.setCacheDatabasePath("/tmp/mbgl-cache.db");
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settings.setCacheDatabaseMaximumSize(20 * 1024 * 1024);
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settings.setViewportMode(QMapboxGLSettings::FlippedYViewport);
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m_map.reset(new QMapboxGL(nullptr, settings));
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}
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QQuickMapboxGLRenderer::~QQuickMapboxGLRenderer()
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{
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}
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QOpenGLFramebufferObject* QQuickMapboxGLRenderer::createFramebufferObject(const QSize &size)
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{
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m_map->resize(size);
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QOpenGLFramebufferObjectFormat format;
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format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
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return new QOpenGLFramebufferObject(size, format);
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}
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void QQuickMapboxGLRenderer::render()
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{
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m_map->render();
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}
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void QQuickMapboxGLRenderer::synchronize(QQuickFramebufferObject *item)
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{
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auto quickMap = qobject_cast<QQuickMapboxGL*>(item);
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if (!m_initialized) {
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QObject::connect(m_map.data(), &QMapboxGL::needsRendering, quickMap, &QQuickMapboxGL::update);
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QObject::connect(m_map.data(), SIGNAL(mapChanged(QMapbox::MapChange)), quickMap, SLOT(onMapChanged(QMapbox::MapChange)));
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QObject::connect(this, &QQuickMapboxGLRenderer::centerChanged, quickMap, &QQuickMapboxGL::setCenter);
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m_initialized = true;
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}
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auto syncStatus = quickMap->m_syncState;
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quickMap->m_syncState = QQuickMapboxGL::NothingNeedsSync;
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if (syncStatus & QQuickMapboxGL::CenterNeedsSync || syncStatus & QQuickMapboxGL::ZoomNeedsSync) {
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const auto& center = quickMap->center();
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m_map->setCoordinateZoom({ center.latitude(), center.longitude() }, quickMap->zoomLevel());
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}
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if (syncStatus & QQuickMapboxGL::StyleNeedsSync && !quickMap->m_styleUrl.isEmpty()) {
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m_map->setStyleUrl(quickMap->m_styleUrl);
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}
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if (syncStatus & QQuickMapboxGL::PanNeedsSync) {
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m_map->moveBy(quickMap->m_pan);
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quickMap->m_pan = QPointF();
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emit centerChanged(QGeoCoordinate(m_map->latitude(), m_map->longitude()));
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}
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if (syncStatus & QQuickMapboxGL::BearingNeedsSync) {
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m_map->setBearing(quickMap->m_bearing);
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}
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if (syncStatus & QQuickMapboxGL::PitchNeedsSync) {
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m_map->setPitch(quickMap->m_pitch);
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}
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if (!quickMap->m_styleLoaded) {
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return;
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}
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for (const auto& change : quickMap->m_sourceChanges) {
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m_map->addSource(change.value("id").toString(), change);
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}
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quickMap->m_sourceChanges.clear();
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for (const auto& change : quickMap->m_layerChanges) {
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m_map->addLayer(change);
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}
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quickMap->m_layerChanges.clear();
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for (const auto& change : quickMap->m_filterChanges) {
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m_map->setFilter(change.value("layer").toString(), change.value("filter"));
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}
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quickMap->m_filterChanges.clear();
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for (const auto& change : quickMap->m_imageChanges) {
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m_map->addImage(change.name, change.sprite);
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}
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quickMap->m_imageChanges.clear();
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for (const auto& change : quickMap->m_stylePropertyChanges) {
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if (change.type == QQuickMapboxGL::StyleProperty::Paint) {
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m_map->setPaintProperty(change.layer, change.property, change.value, change.klass);
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} else {
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m_map->setLayoutProperty(change.layer, change.property, change.value);
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}
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}
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quickMap->m_stylePropertyChanges.clear();
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}
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