154 lines
4.2 KiB
Dart
154 lines
4.2 KiB
Dart
import 'dart:convert';
|
|
import 'dart:io';
|
|
|
|
import 'package:flutter_tesseract_ocr/flutter_tesseract_ocr.dart';
|
|
import 'package:get/get.dart';
|
|
import 'package:google_mlkit_text_recognition/google_mlkit_text_recognition.dart';
|
|
import 'package:image_picker/image_picker.dart';
|
|
|
|
class OCRController extends GetxController {
|
|
final text = RxString('');
|
|
|
|
void setText(value) {
|
|
text.value = value;
|
|
}
|
|
}
|
|
|
|
class TextExtractionController extends GetxController {
|
|
String extractedText = '';
|
|
bool isloading = false;
|
|
File? _scannedImage;
|
|
// Convert the extracted text to JSON
|
|
String getTextAsJSON(String text) {
|
|
final json = {
|
|
'text': text,
|
|
};
|
|
|
|
return jsonEncode(json);
|
|
}
|
|
|
|
// Convert the extracted text to blocks by line
|
|
List<String> getTextBlocks(String text) {
|
|
return text.split('\n');
|
|
}
|
|
|
|
Future<void> pickAndExtractText() async {
|
|
final pickedImage =
|
|
await ImagePicker().pickImage(source: ImageSource.camera);
|
|
if (pickedImage != null) {
|
|
isloading = true;
|
|
update();
|
|
final imagePath = pickedImage.path;
|
|
final languages = [
|
|
'eng',
|
|
'ara'
|
|
]; // Specify the languages you want to use for text extraction
|
|
|
|
try {
|
|
final text = await FlutterTesseractOcr.extractText(imagePath,
|
|
language:
|
|
languages.join('+'), // Combine multiple languages with '+'
|
|
args: {
|
|
"psm": "4",
|
|
"preserve_interword_spaces": "1",
|
|
} // Additional options if needed
|
|
);
|
|
isloading = false;
|
|
final jsonText = getTextAsJSON(text);
|
|
final textBlocks = getTextBlocks(text);
|
|
update();
|
|
extractedText =
|
|
textBlocks.toString(); // Convert the extracted text to JSON.
|
|
|
|
// Print the JSON to the console.
|
|
print(textBlocks);
|
|
update();
|
|
// print(text);
|
|
} catch (e) {
|
|
print('Error during text extraction: $e');
|
|
extractedText = '';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// class TesseractController extends GetxController {
|
|
// String text = '';
|
|
// bool scanning = false;
|
|
|
|
// Future<void> extractTextFromImage() async {
|
|
// scanning = true;
|
|
// update();
|
|
|
|
// // Get the image from the image picker
|
|
// final ImagePicker picker = ImagePicker();
|
|
// final XFile? image = await picker.pickImage(source: ImageSource.gallery);
|
|
|
|
// // If an image was selected, extract the text from it
|
|
// if (image != null) {
|
|
// var watch = Stopwatch()..start();
|
|
// text = await TesseractLatest.extractText(image.path);
|
|
// scanning = false;
|
|
// update();
|
|
// print('Scanning took ${watch.elapsedMilliseconds} ms');
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
// import 'package:get/get.dart';
|
|
// import 'package:flutter/material.dart';
|
|
// import 'package:image_picker/image_picker.dart';
|
|
// import 'package:google_ml_kit/google_ml_kit.dart';
|
|
//
|
|
class TextRecognizerController extends GetxController {
|
|
@override
|
|
void onInit() {
|
|
scanText();
|
|
super.onInit();
|
|
}
|
|
|
|
// The ImagePicker instance
|
|
final ImagePicker _imagePicker = ImagePicker();
|
|
|
|
// The GoogleMlKit TextRecognizer instance
|
|
final TextRecognizer _textRecognizer = TextRecognizer();
|
|
|
|
// The scanned text
|
|
String? scannedText;
|
|
|
|
// Picks an image from the camera or gallery and extracts the text
|
|
|
|
Future<void> scanText() async {
|
|
// Pick an image from the camera or gallery
|
|
final XFile? image =
|
|
await _imagePicker.pickImage(source: ImageSource.gallery);
|
|
|
|
// If no image was picked, return
|
|
if (image == null) {
|
|
return;
|
|
}
|
|
|
|
// Convert the XFile object to an InputImage object
|
|
final InputImage inputImage = InputImage.fromFile(File(image.path));
|
|
|
|
// Recognize the text in the image
|
|
final RecognizedText recognizedText =
|
|
await _textRecognizer.processImage(inputImage);
|
|
scannedText = recognizedText.text;
|
|
// Extract the scanned text line by line
|
|
final List<Map<String, dynamic>> lines = [];
|
|
for (var i = 0; i < recognizedText.blocks.length; i++) {
|
|
lines.add({
|
|
'line_number': i,
|
|
'text': recognizedText.blocks[i].text,
|
|
});
|
|
}
|
|
|
|
// Convert the list of lines to a JSON string
|
|
final String jsonOutput = jsonEncode(lines);
|
|
update();
|
|
// Print the JSON output
|
|
print(jsonOutput);
|
|
}
|
|
}
|