Flutter简洁实用的图片编辑器的实现

dependencies:
  image_editor_dove: ^latest

import 'package:image_editor/flutter_image_editor.dart';

  Future<void> toImageEditor(File origin) async {
    return Navigator.push(context, MaterialPageRoute(builder: (context) {
      return ImageEditor(
        originImage: origin,
        //可空，支持自定义存储位置(编辑后的图片)
        savePath: customDirectory
      );
    })).then((result) {
      if (result is EditorImageResult) {
        setState(() {
          _image = result.newFile;
        });
      }
    }).catchError((er) {
      debugPrint(er);
    });
  }

///The editor's result.
class EditorImageResult {
  ///宽度
  final int imgWidth;

  ///高度
  final int imgHeight;

  ///编辑后的图片
  final File newFile;

  EditorImageResult(this.imgWidth, this.imgHeight, this.newFile);
}

class YourUiDelegate extends ImageEditorDelegate{
    ...
}

ImageEditor.uiDelegate = YourUiDelegate();

class ImageEditor extends StatefulWidget {

  const ImageEditor({Key? key, required this.originImage, this.savePath}) : super(key: key);
   
   ...
    
  ///[uiDelegate] is determine the editor's ui style.
  ///You can extends [ImageEditorDelegate] and custome it by youself.
  static ImageEditorDelegate uiDelegate = DefaultImageEditorDelegate();

  @override
  State<StatefulWidget> createState() {
    return ImageEditorState();
  }
}