From 8c310e6e5cff8b96cc2400ee650ff91a19ba12e5 Mon Sep 17 00:00:00 2001
From: "alonso.torres" <alonso.torres@kaleidos.net>
Date: Thu, 30 Jan 2025 11:12:48 +0100
Subject: [PATCH] :sparkles: Add label to wasm renderer

---
 render-wasm/src/render.rs       |  7 ++++++-
 render-wasm/src/render/debug.rs | 17 +++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/render-wasm/src/render.rs b/render-wasm/src/render.rs
index 3f734dc16..e5a6dbea5 100644
--- a/render-wasm/src/render.rs
+++ b/render-wasm/src/render.rs
@@ -23,6 +23,9 @@ use options::RenderOptions;
 pub use blend::BlendMode;
 pub use images::*;
 
+const DEFAULT_FONT_BYTES: &[u8] =
+    include_bytes!("../../frontend/resources/fonts/RobotoMono-Regular.ttf");
+
 pub(crate) struct RenderState {
     gpu_state: GpuState,
     options: RenderOptions,
@@ -58,7 +61,7 @@ impl RenderState {
 
         let mut font_provider = skia::textlayout::TypefaceFontProvider::new();
         let default_font = skia::FontMgr::default()
-            .new_from_data(include_bytes!("fonts/RobotoMono-Regular.ttf"), None)
+            .new_from_data(DEFAULT_FONT_BYTES, None)
             .expect("Failed to load font");
         font_provider.register_typeface(default_font, "robotomono-regular");
 
@@ -289,6 +292,8 @@ impl RenderState {
             self.render_debug();
         }
 
+        debug::render_wasm_label(self);
+
         self.flush();
     }
 
diff --git a/render-wasm/src/render/debug.rs b/render-wasm/src/render/debug.rs
index 5e5363d49..4864348b3 100644
--- a/render-wasm/src/render/debug.rs
+++ b/render-wasm/src/render/debug.rs
@@ -22,6 +22,23 @@ fn render_debug_view(render_state: &mut RenderState) {
         .draw_rect(scaled_rect, &paint);
 }
 
+pub fn render_wasm_label(render_state: &mut RenderState) {
+    let canvas = render_state.final_surface.canvas();
+
+    let skia::ISize { width, height } = canvas.base_layer_size();
+    let p = skia::Point::new(width as f32 - 100.0, height as f32 - 25.0);
+    let mut paint = skia::Paint::default();
+    paint.set_color(skia::Color::from_argb(100, 0, 0, 0));
+
+    let font_provider = &render_state.font_provider;
+    let typeface = font_provider
+        .match_family_style("robotomono-regular", skia::FontStyle::default())
+        .unwrap();
+
+    let font = skia::Font::new(typeface, 10.0);
+    canvas.draw_str("WASM RENDERER", p, &font, &paint);
+}
+
 pub fn render_debug_element(render_state: &mut RenderState, element: &Shape, intersected: bool) {
     let mut paint = skia::Paint::default();
     paint.set_style(skia::PaintStyle::Stroke);