revert(cursor): return to f5b98b32 before splitting plugin changes

flutter/lib/utils/cursor_size.dart

@@ -1,55 +0,0 @@
-import 'package:flutter/foundation.dart';
-import 'package:flutter/services.dart';
-import 'package:image/image.dart' as img;
-
-int cursorVisibleSize(img.Image image) {
-  var left = image.width;
-  var top = image.height;
-  var right = -1;
-  var bottom = -1;
-  for (final pixel in image) {
-    if (pixel.a == 0) continue;
-    if (pixel.x < left) left = pixel.x;
-    if (pixel.x > right) right = pixel.x;
-    if (pixel.y < top) top = pixel.y;
-    if (pixel.y > bottom) bottom = pixel.y;
-  }
-  if (right < left) return 0;
-  final width = right - left + 1;
-  final height = bottom - top + 1;
-  return width > height ? width : height;
-}
-
-class LocalCursorSize extends ValueNotifier<double?> {
-  LocalCursorSize() : super(null);
-
-  static const _channel = MethodChannel('org.rustdesk.rustdesk/cursor');
-  double? _devicePixelRatio;
-  int _generation = 0;
-
-  void ensureLoaded(double devicePixelRatio) {
-    if (_devicePixelRatio == devicePixelRatio) return;
-    _devicePixelRatio = devicePixelRatio;
-    refresh();
-  }
-
-  Future<void> refresh() async {
-    final generation = ++_generation;
-    try {
-      final size = await _channel.invokeMethod<double>('getSystemCursorSize');
-      if (size == null || !size.isFinite || size <= 0) {
-        throw const FormatException('Invalid local system cursor size');
-      }
-      if (generation == _generation) value = size;
-    } catch (error, stack) {
-      FlutterError.reportError(FlutterErrorDetails(
-          exception: error, stack: stack, library: 'local cursor size'));
-    }
-  }
-
-  @override
-  void dispose() {
-    ++_generation;
-    super.dispose();
-  }
-}

flutter/lib/utils/image.dart

@@ -96,14 +96,12 @@ class ImagePainter extends CustomPainter {
     required this.x,
     required this.y,
     required this.scale,
-    this.useIntegerPosition = true,
   });
 
   ui.Image? image;
   double x;
   double y;
   double scale;
-  final bool useIntegerPosition;
 
   @override
   void paint(Canvas canvas, Size size) {
@@ -124,10 +122,8 @@ class ImagePainter extends CustomPainter {
     if (isWeb) {
       paint.filterQuality = FilterQuality.high;
     }
-    final position = useIntegerPosition
-        ? Offset(x.toInt().toDouble(), y.toInt().toDouble())
-        : Offset(x, y);
-    canvas.drawImage(image!, position, paint);
+    canvas.drawImage(
+        image!, Offset(x.toInt().toDouble(), y.toInt().toDouble()), paint);
   }
 
   @override