plugin system docs

custom buttons for plugins
calibration functions for Leeform

Plugins/LindtLeerformPlugin/Services/ImageConverter.cs

@@ -0,0 +1,13 @@
+using OpenCvSharp;
+
+namespace LindtLeerformPlugin.Services;
+
+public static class ImageConverter
+{
+    public static Avalonia.Media.Imaging.Bitmap MatToAvaloniaBitmap(Mat mat)
+    {
+        var encoded = mat.ImEncode(".bmp");
+        using var ms = new MemoryStream(encoded);
+        return new Avalonia.Media.Imaging.Bitmap(ms);
+    }
+}