init commit

A basic window is available.  Now we shall try to render texts and
some auxiliary functionalities.

1 files changed, 55 insertions, 0 deletions

diff --git a/src/renderer/dummy.rs b/src/renderer/dummy.rs
new file mode 100644
index 0000000..6a5b378
--- /dev/null
+++ b/src/renderer/dummy.rs
@@ -0,0 +1,55 @@
+use winit::application::ApplicationHandler;
+
+use super::backend::RendererBackend;
+use super::text::TextSpan;
+
+#[derive(Debug, Clone)]
+pub struct DummyRenderer;
+
+impl DummyRenderer {
+    pub fn new() -> Self {
+        Self
+    }
+}
+
+impl RendererBackend for DummyRenderer {
+    fn init(&mut self, _width: i32, _height: i32) -> bool {
+        println!("DummyRenderer initialized.");
+        true
+    }
+
+    fn draw_text(&mut self, span: &TextSpan) {
+        println!("[style: {:?}] {}", span.style, span.text);
+    }
+
+    fn shutdown(&mut self) {
+        println!("DummyRenderer shutting down.");
+    }
+
+    fn name(&self) -> &str {
+        "Dummy"
+    }
+
+    fn clear(&mut self) {
+        println!("DummyRenderer clearing.");
+    }
+
+    fn present(&mut self) {
+        println!("DummyRenderer is presenting.");
+    }
+}
+
+impl ApplicationHandler for DummyRenderer {
+    fn resumed(&mut self, event_loop: &winit::event_loop::ActiveEventLoop) {
+        println!("resumed");
+    }
+
+    fn window_event(
+        &mut self,
+        event_loop: &winit::event_loop::ActiveEventLoop,
+        window_id: winit::window::WindowId,
+        event: winit::event::WindowEvent,
+    ) {
+        println!("received an event: {event:?}");
+    }
+}