Background layer, geojson source and render tests with desktop harness

.gitignore

@@ -14,6 +14,8 @@ Cargo.lock
 
 dist/
 
+maplibre-gl-js/
+
 # Cache by reqwest-middleware-cache
 *reqwest*cache*
 *maplibre*cache*

Cargo.toml

@@ -11,6 +11,7 @@ members = [
     "apple",
     "web",
     "benchmarks",
+    "render-tests",
 ]
 
 [workspace.package]

benchmarks/benches/render.rs

@@ -12,7 +12,7 @@ use maplibre::{
 fn headless_render(c: &mut Criterion) {
     c.bench_function("headless_render", |b| {
         let (mut map, layer) = run_multithreaded(async {
-            let (kernel, renderer) = create_headless_renderer(1000, None).await;
+            let (kernel, renderer) = create_headless_renderer(1000, 1000, None).await;
             let style = Style::default();
 
             let plugins: Vec<Box<dyn Plugin<_>>> = vec![

inspect.rs

@@ -0,0 +1,15 @@
+use image::GenericImageView;
+fn main() {
+    let img = image::open("render-tests/src/tests/fill-color/default/expected.png").unwrap();
+    println!("Dimensions: {:?}", img.dimensions());
+    let mut black = 0;
+    let mut white = 0;
+    let mut other = 0;
+    for pixel in img.pixels() {
+        let p = pixel.2;
+        if p[0] == 0 && p[1] == 0 && p[2] == 0 { black += 1; }
+        else if p[0] == 255 && p[1] == 255 && p[2] == 255 { white += 1; }
+        else { other += 1; }
+    }
+    println!("Black: {}, White: {}, Other: {}", black, white, other);
+}

maplibre-winit/Cargo.toml

@@ -31,3 +31,5 @@ cgmath.workspace = true
 instant.workspace = true
 log.workspace = true
 thiserror.workspace = true
+reqwest = { workspace = true, features = ["json"] }
+serde_json.workspace = true

maplibre-winit/src/noweb.rs

@@ -138,6 +138,7 @@ pub fn run_headed_map<P>(
             renderer_builder,
             vec![
                 Box::new(RenderPlugin::default()),
+                Box::new(maplibre::background::BackgroundPlugin::default()),
                 Box::new(maplibre::vector::VectorPlugin::<
                     maplibre::vector::DefaultVectorTransferables,
                 >::default()),

maplibre/Cargo.toml

@@ -22,6 +22,7 @@ thread-safe-futures = []
 embed-static-tiles = ["maplibre-build-tools/sqlite"]
 headless = ["png"]
 raster = ["image"]
+geojson = []
 
 
 [target.'cfg(any(target_os = "macos", target_os = "ios", target_os = "linux", target_os = "android", target_os = "windows"))'.dependencies]
@@ -51,7 +52,7 @@ cgmath.workspace = true
 geo.workspace = true
 geo-types.workspace = true
 rstar.workspace = true
-geozero.workspace = true
+geozero = { workspace = true, features = ["with-geojson"] }
 tile-grid.workspace = true
 
 # Rendering