From ddd02fbf55ed1a8c288419ea7e51b7f957c4ac71 Mon Sep 17 00:00:00 2001
From: Camille Simon <camillesimon@google.com>
Date: Wed, 16 Jul 2025 09:20:14 -0700
Subject: [PATCH] delete unused file

---
 .../lib/src/rotated_preview.dart              | 117 ------------------
 1 file changed, 117 deletions(-)
 delete mode 100644 packages/camera/camera_android_camerax/lib/src/rotated_preview.dart

diff --git a/packages/camera/camera_android_camerax/lib/src/rotated_preview.dart b/packages/camera/camera_android_camerax/lib/src/rotated_preview.dart
deleted file mode 100644
index 6ef054a007f..00000000000
--- a/packages/camera/camera_android_camerax/lib/src/rotated_preview.dart
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2013 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:async';
-
-import 'package:flutter/services.dart';
-import 'package:flutter/widgets.dart';
-import 'package:meta/meta.dart';
-
-/// Widget that rotates the camera preview to be upright according to the
-/// current user interface orientation.
-@internal
-final class RotatedPreview extends StatefulWidget {
-  /// Creates [RotatedPreview] that will correct the preview
-  /// rotation assuming that the front camera is being used.
-  const RotatedPreview.frontFacingCamera(
-    this.initialDeviceOrientation,
-    this.deviceOrientation, {
-    required this.sensorOrientationDegrees,
-    required this.child,
-    super.key,
-  }) : facingSign = 1;
-
-  /// Creates [RotatedPreview] that will correct the preview
-  /// rotation assuming that the back camera is being used.
-  const RotatedPreview.backFacingCamera(
-    this.initialDeviceOrientation,
-    this.deviceOrientation, {
-    required this.child,
-    required this.sensorOrientationDegrees,
-    super.key,
-  }) : facingSign = -1;
-
-  /// The initial orientation of the device when the camera is created.
-  final DeviceOrientation initialDeviceOrientation;
-
-  /// The orientation of the device using the camera.
-  final Stream<DeviceOrientation> deviceOrientation;
-
-  /// The orienation of the camera sensor in degrees.
-  final double sensorOrientationDegrees;
-
-  /// The camera preview [Widget] to rotate.
-  final Widget child;
-
-  /// Value used to calculate the correct preview rotation.
-  ///
-  /// 1 if the camera is front facing; -1 if the camera is back facing.
-  final int facingSign;
-
-  @override
-  State<StatefulWidget> createState() => _RotatedPreviewState();
-}
-
-final class _RotatedPreviewState extends State<RotatedPreview> {
-  late DeviceOrientation deviceOrientation;
-  late StreamSubscription<DeviceOrientation> deviceOrientationSubscription;
-
-  @override
-  void initState() {
-    deviceOrientation = widget.initialDeviceOrientation;
-    deviceOrientationSubscription = widget.deviceOrientation.listen((
-      DeviceOrientation event,
-    ) {
-      // Ensure that we aren't updating the state if the widget is being destroyed.
-      if (!mounted) {
-        return;
-      }
-      setState(() {
-        deviceOrientation = event;
-      });
-    });
-    super.initState();
-  }
-
-  double _computeRotationDegrees(
-    DeviceOrientation orientation, {
-    required double sensorOrientationDegrees,
-    required int sign,
-  }) {
-    final double deviceOrientationDegrees = switch (orientation) {
-      DeviceOrientation.portraitUp => 0,
-      DeviceOrientation.landscapeRight => 90,
-      DeviceOrientation.portraitDown => 180,
-      DeviceOrientation.landscapeLeft => 270,
-    };
-
-    // Rotate the camera preview according to
-    // https://developer.android.com/media/camera/camera2/camera-preview#orientation_calculation.
-    double rotationDegrees =
-        (sensorOrientationDegrees - deviceOrientationDegrees * sign + 360) %
-        360;
-
-    // Then, subtract the rotation already applied in the CameraPreview widget
-    // (see camera/camera/lib/src/camera_preview.dart).
-    rotationDegrees -= deviceOrientationDegrees;
-
-    return rotationDegrees;
-  }
-
-  @override
-  void dispose() {
-    deviceOrientationSubscription.cancel();
-    super.dispose();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final double rotationDegrees = _computeRotationDegrees(
-      deviceOrientation,
-      sensorOrientationDegrees: widget.sensorOrientationDegrees,
-      sign: widget.facingSign,
-    );
-    return RotatedBox(quarterTurns: rotationDegrees ~/ 90, child: widget.child);
-  }
-}