flutter_document_scan_sdk 0.1.0

A Flutter wrapper for Dynamsoft Document Normalizer, providing API for document edge detection and normalization.

flutter_document_scan_sdk

The Flutter plugin is a wrapper for Dynamsoft's Document Normalizer SDK. It allows you to do document edge detection and normalization.

Getting a License Key for Dynamsoft Document Normalizer

Supported Platforms

• Web

Installation

1. Add flutter_document_scan_sdk as a dependency in your pubspec.yaml file.

   dependencies:
       ...
       flutter_document_scan_sdk:
   

2. Include the JavaScript library of Dynamsoft Document Normalizer in your index.html file:

   <script src="https://cdn.jsdelivr.net/npm/dynamsoft-document-normalizer@1.0.11/dist/ddn.js"></script>
   

Usage

• Initialize the document normalizer SDK with resource path and license key:

  final _flutterDocumentScanSdkPlugin = FlutterDocumentScanSdk();
  await _flutterDocumentScanSdkPlugin.init(
     "https://cdn.jsdelivr.net/npm/dynamsoft-document-normalizer@1.0.11/dist/",
     "DLS2eyJoYW5kc2hha2VDb2RlIjoiMjAwMDAxLTE2NDk4Mjk3OTI2MzUiLCJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSIsInNlc3Npb25QYXNzd29yZCI6IndTcGR6Vm05WDJrcEQ5YUoifQ==");
  
  await _flutterDocumentScanSdkPlugin.setParameters(Template.grayscale);
  

• Do document edge detection and return quadrilaterals:

  List<DocumentResult> detectionResults =
          await _flutterDocumentScanSdkPlugin
              .detect(file);
  

• Normalize the document based on four corner coordinates:

  NormalizedImage? normalizedImage = await _flutterDocumentScanSdkPlugin.normalize(
      file, detectionResults[0].points);
  

• Save the document to the local disk:

  await _flutterDocumentScanSdkPlugin
                              .save('normalized.png');
  

Try the Example

cd example
flutter run -d chrome