added easyOCR

tools/OcrDaemon/TemplateMatchHandler.cs

@@ -0,0 +1,60 @@
+namespace OcrDaemon;
+
+using System.Drawing;
+using System.Drawing.Imaging;
+using OpenCvSharp;
+using OpenCvSharp.Extensions;
+
+class TemplateMatchHandler
+{
+    public object HandleTemplateMatch(Request req)
+    {
+        if (string.IsNullOrEmpty(req.Path))
+            return new ErrorResponse("match-template command requires 'path' (template image file)");
+
+        if (!System.IO.File.Exists(req.Path))
+            return new ErrorResponse($"Template file not found: {req.Path}");
+
+        using var screenshot = ScreenCapture.CaptureOrLoad(req.File, req.Region);
+        using var screenMat = BitmapConverter.ToMat(screenshot);
+        using var template = Cv2.ImRead(req.Path, ImreadModes.Color);
+
+        if (template.Empty())
+            return new ErrorResponse($"Failed to load template image: {req.Path}");
+
+        // Convert screenshot from BGRA to BGR if needed
+        using var screenBgr = new Mat();
+        if (screenMat.Channels() == 4)
+            Cv2.CvtColor(screenMat, screenBgr, ColorConversionCodes.BGRA2BGR);
+        else
+            screenMat.CopyTo(screenBgr);
+
+        // Template must fit within screenshot
+        if (template.Rows > screenBgr.Rows || template.Cols > screenBgr.Cols)
+            return new TemplateMatchResponse { Found = false };
+
+        using var result = new Mat();
+        Cv2.MatchTemplate(screenBgr, template, result, TemplateMatchModes.CCoeffNormed);
+
+        Cv2.MinMaxLoc(result, out _, out double maxVal, out _, out OpenCvSharp.Point maxLoc);
+
+        double threshold = req.Threshold > 0 ? req.Threshold / 100.0 : 0.7;
+
+        if (maxVal < threshold)
+            return new TemplateMatchResponse { Found = false, Confidence = maxVal };
+
+        // Calculate center coordinates — offset by region origin if provided
+        int offsetX = req.Region?.X ?? 0;
+        int offsetY = req.Region?.Y ?? 0;
+
+        return new TemplateMatchResponse
+        {
+            Found = true,
+            X = offsetX + maxLoc.X + template.Cols / 2,
+            Y = offsetY + maxLoc.Y + template.Rows / 2,
+            Width = template.Cols,
+            Height = template.Rows,
+            Confidence = maxVal,
+        };
+    }
+}