resetToOriginal method

void resetToOriginal()

完全撤销：重置到原始图片和初始状态

Implementation

void resetToOriginal() {
  _image = _originalImage;
  _currentRotationAngle = 0.0;
  _translateX = 0.0;
  _translateY = 0.0;
  _scale = 1.0;
  _textLayerManager.clear();
  _cropRect = null;
  _backupCropRect = null;
  _activeTool = EditToolsMenu.none;

  // 清空历史记录
  _historyManager.clear();

  // 重新初始化缩放
  if (_canvasSize != null) {
    _initializeImageScale();
  }
  notifyListeners();
}