helpy4/immich
1
0
Fork 0
mirror of https://github.com/immich-app/immich synced 2025-11-07 17:27:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

platform thumbhash

Browse source
This commit is contained in:
mertalev 2025-08-13 03:05:27 -04:00
parent 84462560e3
commit c988342de1
No known key found for this signature in database
GPG key ID: DF6ABC77AAD98C95
15 changed files with 581 additions and 44 deletions
Download patch file Download diff file Expand all files Collapse all files

28
mobile/lib/presentation/widgets/images/thumb_hash_provider.dart
View file

@ -1,14 +1,13 @@
import 'dart:convert' hide Codec;
import 'dart:ui';
import 'package:flutter/foundation.dart';
import 'package:flutter/rendering.dart';
import 'package:thumbhash/thumbhash.dart';
import 'package:immich_mobile/infrastructure/repositories/asset_media.repository.dart';
import 'package:immich_mobile/presentation/widgets/images/image_provider.dart';
import 'package:immich_mobile/presentation/widgets/images/one_frame_multi_image_stream_completer.dart';
class ThumbHashProvider extends ImageProvider<ThumbHashProvider> {
class ThumbHashProvider extends ImageProvider<ThumbHashProvider> with CancellableImageProviderMixin {
final String thumbHash;
const ThumbHashProvider({required this.thumbHash});
ThumbHashProvider({required this.thumbHash});
@override
Future<ThumbHashProvider> obtainKey(ImageConfiguration configuration) {
@ -17,12 +16,21 @@ class ThumbHashProvider extends ImageProvider<ThumbHashProvider> {
@override
ImageStreamCompleter loadImage(ThumbHashProvider key, ImageDecoderCallback decode) {
return MultiFrameImageStreamCompleter(codec: _loadCodec(key, decode), scale: 1.0);
final completer = OneFramePlaceholderImageStreamCompleter(_loadCodec(key, decode));
completer.addOnLastListenerRemovedCallback(cancel);
return completer;
}
Future<Codec> _loadCodec(ThumbHashProvider key, ImageDecoderCallback decode) async {
final image = thumbHashToRGBA(base64Decode(key.thumbHash));
return decode(await ImmutableBuffer.fromUint8List(rgbaToBmp(image)));
Stream<ImageInfo> _loadCodec(ThumbHashProvider key, ImageDecoderCallback decode) async* {
final request = this.request = ThumbhashImageRequest(thumbhash: thumbHash);
try {
final image = await request.load(decode);
if (image != null) {
yield image;
}
} finally {
this.request = null;
}
}
@override

3
mobile/lib/presentation/widgets/timeline/constants.dart
View file

@ -1,7 +1,8 @@
import 'dart:ui';
const double kTimelineHeaderExtent = 80.0;
const Size kTimelineFixedTileExtent = Size.square(256);
const double kTimelineFixedTileExtentPixels = 256;
const Size kTimelineFixedTileExtent = Size.square(kTimelineFixedTileExtentPixels);
const Size kThumbnailResolution = Size.square(384);
const double kTimelineSpacing = 2.0;
const int kTimelineColumnCount = 3;