first commit

lib/extensions/face_detection_extension.dart

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+
+import 'package:camerawesome/camerawesome_plugin.dart';
+import 'package:google_mlkit_commons/google_mlkit_commons.dart';
+
+extension MLKitUtils on AnalysisImage {
+  InputImage toInputImage() {
+
+    return when(
+      nv21: (image) {
+        return InputImage.fromBytes(
+            bytes: image.bytes,
+            metadata: InputImageMetadata(
+              rotation: inputImageRotation,
+              format: InputImageFormat.nv21,
+              size: image.size,
+              bytesPerRow: image.planes.first.bytesPerRow,
+            ),
+          );
+      },
+      bgra8888: (image) {
+        return InputImage.fromBytes(
+          bytes: image.bytes,
+          metadata: InputImageMetadata(
+            size: size,
+            rotation: inputImageRotation,
+            format: InputImageFormat.nv21,
+            bytesPerRow: image.planes.first.bytesPerRow,
+          ),
+        );
+      }
+    )!;
+  }
+
+  InputImageRotation get inputImageRotation =>
+      InputImageRotation.values.byName(rotation.name);
+
+  InputImageFormat get inputImageFormat {
+    switch (format) {
+      case InputAnalysisImageFormat.bgra8888:
+        return InputImageFormat.bgra8888;
+      case InputAnalysisImageFormat.nv21:
+        return InputImageFormat.nv21;
+      default:
+        return InputImageFormat.yuv420;
+    }
+  }
+}