marco.pms.mobileapp/lib/helpers/widgets/my_image_compressor.dart

69 lines
2.0 KiB
Dart

import 'dart:io';
import 'dart:typed_data';
import 'package:flutter_image_compress/flutter_image_compress.dart';
import 'package:path_provider/path_provider.dart';
import 'package:path/path.dart' as path;
import 'package:marco/helpers/services/app_logger.dart';
Future<Uint8List?> compressImageToUnder100KB(File file) async {
int quality = 40;
Uint8List? result;
const int maxWidth = 800;
const int maxHeight = 800;
logSafe("Starting image compression...", );
while (quality >= 10) {
try {
result = await FlutterImageCompress.compressWithFile(
file.absolute.path,
quality: quality,
minWidth: maxWidth,
minHeight: maxHeight,
format: CompressFormat.jpeg,
);
if (result != null) {
logSafe(
'Compression quality: $quality, size: ${(result.lengthInBytes / 1024).toStringAsFixed(2)} KB',
);
if (result.lengthInBytes <= 100 * 1024) {
logSafe("Image compressed successfully under 100KB.");
return result;
}
} else {
logSafe("Compression returned null at quality $quality", level: LogLevel.warning);
}
} catch (e, stacktrace) {
logSafe("Compression error at quality $quality", level: LogLevel.error, error: e, stackTrace: stacktrace);
}
quality -= 10;
}
logSafe("Failed to compress image under 100KB. Returning best effort result.", level: LogLevel.warning);
return result;
}
Future<File> saveCompressedImageToFile(Uint8List bytes) async {
try {
final tempDir = await getTemporaryDirectory();
final filePath = path.join(
tempDir.path,
'compressed_${DateTime.now().millisecondsSinceEpoch}.jpg',
);
final file = File(filePath);
final savedFile = await file.writeAsBytes(bytes);
logSafe("Compressed image saved to ${savedFile.path}", );
return savedFile;
} catch (e, stacktrace) {
logSafe("Error saving compressed image", level: LogLevel.error, error: e, stackTrace: stacktrace);
rethrow;
}
}