flexiges

Flexi

Flexi is a Flutter package that provides a flexible widget for zooming, panning, and rotating child widgets.

Features

• Zoom in and out of a widget.
• Pan the widget by dragging it.
• Rotate the widget using gestures.
• Double-tap to reset the widget to its original state.
• Configurable minimum and maximum scale limits.
• Configurable maximum translation limits along the X and Y axes.
• Enable/disable rotation, scaling, and translation individually.
• Support for custom callbacks on scale start, update, and end events.

Installation

Add the following dependency to your pubspec.yaml file:

dependencies:
  flexi: ^1.0.0

Usage

Import the package in your Dart file:

import 'package:flexi/flexi.dart';

Wrap your widget with the Flexi widget:

FlexiGes(
  child: YourWidget(),
  minScale: 0.8, // Set the minimum scale limit (optional)
  maxScale: 2.5, // Set the maximum scale limit (optional)
  onScaleUpdate: (offset, scale, rotation) {
    // Handle scale update event
  },
  onScaleEnd: (details) {
    // Handle scale end event
  },
)

Parameters

1. child: The child widget that you want to apply zoom, pan, and rotate features to. (required)
2. minScale: The minimum scale factor for scaling the widget. Defaults to 0.8. (optional)
3. maxScale: The maximum scale factor for scaling the widget. Defaults to 2.5. (optional)
4. onScaleUpdate: A callback function that is triggered during the scale update event. It provides the current offset, scale factor, and rotation angle as parameters. (optional)
5. onScaleEnd: A callback function that is triggered when the scale event ends. It provides the scale end details as a parameter. (optional)
6. canRotate: Flag to enable/disable rotation. Defaults to true. (optional)
7. canScale: Flag to enable/disable scaling. Defaults to true. (optional)
8. canTranslate: Flag to enable/disable translation. Defaults to true. (optional)
9. returnToOrigin: Flag to enable/disable returning to the original state on double-tap. Defaults to true. (optional)
10. enabled: Flag to enable/disable the Flexi widget. Defaults to true. (optional)
11. maxTranslationX: The maximum translation value along the X-axis. Defaults to 100. (optional)
12. maxTranslationY: The maximum translation value along the Y-axis. Defaults to 100. (optional)

Example

Check out the example directory for a working example of using the Flexi widget.

Running Tests

To run the tests for the Flexi package, use the following command: flutter test flexi_test.dart

Contributing

Contributions are welcome! Please submit any issues or pull requests via the GitHub repository.

License

This project is licensed under the MIT License.

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