full capture

src/Poe2Trade.Navigation/FramePipeline.cs

@@ -0,0 +1,37 @@
+namespace Poe2Trade.Navigation;
+
+public class FramePipeline : IDisposable
+{
+    private readonly IScreenCapture _capture;
+    private readonly List<IFrameConsumer> _consumers = [];
+
+    public FramePipeline(IScreenCapture capture)
+    {
+        _capture = capture;
+    }
+
+    public IScreenCapture Capture => _capture;
+
+    public void AddConsumer(IFrameConsumer consumer) => _consumers.Add(consumer);
+
+    /// <summary>
+    /// Capture one frame, dispatch to all consumers in parallel, then dispose frame.
+    /// </summary>
+    public async Task ProcessOneFrame()
+    {
+        using var frame = _capture.CaptureFrame();
+        if (frame == null) return;
+
+        if (_consumers.Count == 1)
+        {
+            _consumers[0].Process(frame);
+        }
+        else
+        {
+            var tasks = _consumers.Select(c => Task.Run(() => c.Process(frame)));
+            await Task.WhenAll(tasks);
+        }
+    }
+
+    public void Dispose() => _capture.Dispose();
+}