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Compress iOS thumbnails

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This commit is contained in:
Vishnu Mohandas 2020-11-22 23:37:40 +05:30
parent da2cb1b2cf
commit 47052a6596
3 changed files with 14 additions and 3 deletions
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1
lib/core/constants.dart
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@ -1,6 +1,7 @@
const int THUMBNAIL_SMALL_SIZE = 256;
const int THUMBNAIL_SMALL_SIZE_QUALITY = 80;
const int THUMBNAIL_LARGE_SIZE = 512;
const int COMPRESSED_THUMBNAIL_RESOLUTION = 1080;
const int THUMBNAIL_DATA_LIMIT = 100 * 1024;
const String SENTRY_DSN =
"http://96780dc0b00f4c69a16c02e90d379996@3.211.17.56/2";

12
lib/utils/file_uploader.dart
View file

@ -4,6 +4,7 @@ import 'dart:convert';
import 'dart:io' as io;
import 'package:connectivity/connectivity.dart';
import 'package:dio/dio.dart';
import 'package:flutter_image_compress/flutter_image_compress.dart';
import 'package:flutter_sodium/flutter_sodium.dart';
import 'package:logging/logging.dart';
import 'package:photos/core/configuration.dart';
@ -15,6 +16,7 @@ import 'package:photos/models/location.dart';
import 'package:photos/models/upload_url.dart';
import 'package:photos/services/collections_service.dart';
import 'package:photos/utils/crypto_util.dart';
import 'package:photos/utils/file_util.dart';
class FileUploader {
final _logger = Logger("FileUploader");
@ -153,7 +155,7 @@ class FileUploader {
final fileAttributes =
await CryptoUtil.encryptFile(sourceFile.path, encryptedFilePath);
final thumbnailData = (await (await file.getAsset()).thumbDataWithSize(
var thumbnailData = (await (await file.getAsset()).thumbDataWithSize(
THUMBNAIL_LARGE_SIZE,
THUMBNAIL_LARGE_SIZE,
quality: 50,
@ -162,6 +164,14 @@ class FileUploader {
_logger.severe("Could not generate thumbnail for " + file.toString());
throw InvalidFileError();
}
final thumbnailSize = thumbnailData.length;
if (thumbnailSize > THUMBNAIL_DATA_LIMIT) {
thumbnailData = await compressThumbnail(thumbnailData);
_logger.info("Thumbnail size " + thumbnailSize.toString());
_logger
.info("Compressed thumbnail size " + thumbnailData.length.toString());
}
final encryptedThumbnailName =
file.generatedID.toString() + "_thumbnail.encrypted";
final encryptedThumbnailPath = tempDirectory + encryptedThumbnailName;

4
lib/utils/file_util.dart
View file

@ -289,8 +289,8 @@ Uint8List decryptFileKey(File file) {
Future<Uint8List> compressThumbnail(Uint8List thumbnail) {
return FlutterImageCompress.compressWithList(
thumbnail,
minHeight: 1080,
minWidth: 1080,
minHeight: COMPRESSED_THUMBNAIL_RESOLUTION,
minWidth: COMPRESSED_THUMBNAIL_RESOLUTION,
quality: 25,
);
}