opt image gesture

Signed-off-by: dom <githubaccount56556@proton.me>

lib/common/widgets/gesture/image_horizontal_drag_gesture_recognizer.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart' show TransformationController;
+
+class ImageHorizontalDragGestureRecognizer
+    extends HorizontalDragGestureRecognizer {
+  ImageHorizontalDragGestureRecognizer({
+    super.debugOwner,
+    super.supportedDevices,
+    super.allowedButtonsFilter,
+    required this.width,
+    required this.transformationController,
+  });
+
+  Offset? _initialPosition;
+
+  final double width;
+  final TransformationController transformationController;
+
+  @override
+  void addAllowedPointer(PointerDownEvent event) {
+    super.addAllowedPointer(event);
+    _initialPosition = event.position;
+  }
+
+  bool _isBoundaryAllowed() {
+    if (_initialPosition == null) {
+      return true;
+    }
+    final scale = transformationController.value.row0[0];
+    if (scale <= 1.0) {
+      return true;
+    }
+    final double xOffset = transformationController.value.row0[3];
+    final double boundaryEnd = width * scale;
+    final int xPos = (boundaryEnd + xOffset).round();
+    return (boundaryEnd.round() == xPos &&
+            lastPosition.global.dx > _initialPosition!.dx) ||
+        (width.round() == xPos &&
+            lastPosition.global.dx < _initialPosition!.dx);
+  }
+
+  @override
+  bool hasSufficientGlobalDistanceToAccept(
+    PointerDeviceKind pointerDeviceKind,
+    double? deviceTouchSlop,
+  ) {
+    return globalDistanceMoved.abs() >
+            computeHitSlop(pointerDeviceKind, gestureSettings) &&
+        _isBoundaryAllowed();
+  }
+}