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#include "qquickmapboxglrenderer.hpp"
#include <QMapboxGL>
#include <QQuickMapboxGL>
#include <QGuiApplication>
#include <QSize>
#include <QOpenGLFramebufferObject>
#include <QOpenGLFramebufferObjectFormat>
#include <QQuickWindow>
QQuickMapboxGLRenderer::QQuickMapboxGLRenderer()
{
QMapbox::initializeGLExtensions();
QMapboxGLSettings settings;
settings.setAccessToken(qgetenv("MAPBOX_ACCESS_TOKEN"));
settings.setCacheDatabasePath("/tmp/mbgl-cache.db");
settings.setCacheDatabaseMaximumSize(20 * 1024 * 1024);
settings.setViewportMode(QMapboxGLSettings::FlippedYViewport);
m_map.reset(new QMapboxGL(nullptr, settings));
}
QQuickMapboxGLRenderer::~QQuickMapboxGLRenderer()
{
}
QOpenGLFramebufferObject* QQuickMapboxGLRenderer::createFramebufferObject(const QSize &size)
{
m_map->resize(size / qApp->devicePixelRatio());
QOpenGLFramebufferObjectFormat format;
format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
return new QOpenGLFramebufferObject(size, format);
}
void QQuickMapboxGLRenderer::render()
{
m_map->render();
}
void QQuickMapboxGLRenderer::synchronize(QQuickFramebufferObject *item)
{
if (!m_initialized) {
auto qquickMapbox = static_cast<QQuickMapboxGL*>(item);
QObject::connect(m_map.data(), &QMapboxGL::needsRendering, qquickMapbox, &QQuickMapboxGL::update);
QObject::connect(this, &QQuickMapboxGLRenderer::centerChanged, qquickMapbox, &QQuickMapboxGL::setCenter);
m_initialized = true;
}
auto quickMap = static_cast<QQuickMapboxGL*>(item);
auto syncStatus = quickMap->swapSyncState();
if (syncStatus & QQuickMapboxGL::CenterNeedsSync || syncStatus & QQuickMapboxGL::ZoomNeedsSync) {
const auto& center = quickMap->center();
m_map->setCoordinateZoom({ center.latitude(), center.longitude() }, quickMap->zoomLevel());
}
if (syncStatus & QQuickMapboxGL::StyleNeedsSync) {
m_map->setStyleURL(quickMap->style());
}
if (syncStatus & QQuickMapboxGL::PanNeedsSync) {
m_map->moveBy(quickMap->swapPan());
emit centerChanged(QGeoCoordinate(m_map->latitude(), m_map->longitude()));
}
if (syncStatus & QQuickMapboxGL::BearingNeedsSync) {
m_map->setBearing(quickMap->bearing());
}
if (syncStatus & QQuickMapboxGL::PitchNeedsSync) {
m_map->setPitch(quickMap->pitch());
}
}
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