Added updateZoom function to map_renderer, plus custom style.json (#25997)

* Added updateZoom function to map_renderer, plus custom style.json

* Render 512x512 maps

* Define STYLE_PATH in navd sconscript

selfdrive/navd/SConscript

@@ -11,6 +11,8 @@ if arch in ['larch64', 'x86_64']:
     rpath = [Dir(f"#third_party/mapbox-gl-native-qt/{arch}").srcnode().abspath]
     qt_env["RPATH"] += rpath
 
+  style_path = File("style.json").abspath
+  qt_env['CXXFLAGS'].append(f'-DSTYLE_PATH=\\"{style_path}\\"')
   qt_libs = ["qt_widgets", "qt_util", "qmapboxgl"] + base_libs
 
   nav_src = ["main.cc", "map_renderer.cc"]

selfdrive/navd/map_renderer.cc

@@ -1,14 +1,16 @@
 #include "selfdrive/navd/map_renderer.h"
 
+#include <string>
 #include <QApplication>
 #include <QBuffer>
 #include <QDebug>
 
+#include "common/util.h"
 #include "common/timing.h"
 #include "selfdrive/ui/qt/maps/map_helpers.h"
 
-const float ZOOM = 13.5; // Don't go below 13 or features will start to disappear
-const int WIDTH = 256;
+const float DEFAULT_ZOOM = 13.5; // Don't go below 13 or features will start to disappear
+const int WIDTH = 512;
 const int HEIGHT = WIDTH;
 
 const int NUM_VIPC_BUFFERS = 4;
@@ -35,9 +37,10 @@ MapRenderer::MapRenderer(const QMapboxGLSettings &settings, bool online) : m_set
   QOpenGLFramebufferObjectFormat fbo_format;
   fbo.reset(new QOpenGLFramebufferObject(WIDTH, HEIGHT, fbo_format));
 
+  std::string style = util::read_file(STYLE_PATH);
   m_map.reset(new QMapboxGL(nullptr, m_settings, fbo->size(), 1));
-  m_map->setCoordinateZoom(QMapbox::Coordinate(0, 0), ZOOM);
-  m_map->setStyleUrl("mapbox://styles/commaai/ckvmksrpd4n0a14pfdo5heqzr");
+  m_map->setCoordinateZoom(QMapbox::Coordinate(0, 0), DEFAULT_ZOOM);
+  m_map->setStyleJson(style.c_str());
   m_map->createRenderer();
 
   m_map->resize(fbo->size());
@@ -82,6 +85,15 @@ void MapRenderer::msgUpdate() {
   }
 }
 
+void MapRenderer::updateZoom(float zoom) {
+  if (m_map.isNull()) {
+    return;
+  }
+
+  m_map->setZoom(zoom);
+  update();
+}
+
 void MapRenderer::updatePosition(QMapbox::Coordinate position, float bearing) {
   if (m_map.isNull()) {
     return;
@@ -185,7 +197,7 @@ void MapRenderer::initLayers() {
     nav["source"] = "navSource";
     m_map->addLayer(nav, "road-intersection");
     m_map->setPaintProperty("navLayer", "line-color", QColor("grey"));
-    m_map->setPaintProperty("navLayer", "line-width", 3);
+    m_map->setPaintProperty("navLayer", "line-width", 5);
     m_map->setLayoutProperty("navLayer", "line-cap", "round");
   }
 }
@@ -210,6 +222,11 @@ extern "C" {
     return new MapRenderer(settings, false);
   }
 
+  void map_renderer_update_zoom(MapRenderer *inst, float zoom) {
+    inst->updateZoom(zoom);
+    QApplication::processEvents();
+  }
+
   void map_renderer_update_position(MapRenderer *inst, float lat, float lon, float bearing) {
     inst->updatePosition({lat, lon}, bearing);
     QApplication::processEvents();

selfdrive/navd/map_renderer.h

@@ -47,6 +47,7 @@ private:
   QTimer* timer;
 
 public slots:
+  void updateZoom(float zoom);
   void updatePosition(QMapbox::Coordinate position, float bearing);
   void updateRoute(QList<QGeoCoordinate> coordinates);
   void msgUpdate();

selfdrive/navd/map_renderer.py

@@ -9,7 +9,7 @@ from cffi import FFI
 from common.ffi_wrapper import suffix
 from common.basedir import BASEDIR
 
-HEIGHT = WIDTH = 256
+HEIGHT = WIDTH = 512
 
 
 def get_ffi():
@@ -18,6 +18,7 @@ def get_ffi():
   ffi = FFI()
   ffi.cdef("""
 void* map_renderer_init(char *maps_host, char *token);
+void map_renderer_update_zoom(void *inst, float zoom);
 void map_renderer_update_position(void *inst, float lat, float lon, float bearing);
 void map_renderer_update_route(void *inst, char *polyline);
 void map_renderer_update(void *inst);